|
|
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result sql = X-Ray protective clothing: does DIN 6857-1 allow an objective comparison between lead-free and lead-composite materials?
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char = e;code = 101
char = e;code = 101
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char = a;code = 97
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char = o;code = 111
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char = o;code = 111
char = r;code = 114
char = d;code = 100
char = e;code = 101
char = r;code = 114
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char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = s;code = 115
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char = m;code = 109
char = e;code = 101
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char = p;code = 112
char = r;code = 114
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char = t;code = 116
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char = t;code = 116
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char = d;code = 100
char = ;code = 32
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char = k;code = 107
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char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
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char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = D;code = 68
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = 6;code = 54
char = 8;code = 56
char = 5;code = 53
char = 7;code = 55
char = -;code = 45
char = 1;code = 49
char = ;code = 32
char = m;code = 109
char = u;code = 117
char = s;code = 115
char = t;code = 116
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char = b;code = 98
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = u;code = 117
char = l;code = 108
char = f;code = 102
char = i;code = 105
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = d;code = 100
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char = <;code = 60
char = b;code = 98
char = r;code = 114
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char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = C;code = 67
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char = N;code = 78
char = C;code = 67
char = L;code = 76
char = U;code = 85
char = S;code = 83
char = I;code = 73
char = O;code = 79
char = N;code = 78
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = A;code = 65
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = D;code = 68
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = E;code = 69
char = N;code = 78
char = ;code = 32
char = 6;code = 54
char = 1;code = 49
char = 3;code = 51
char = 3;code = 51
char = 1;code = 49
char = -;code = 45
char = 3;code = 51
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = a;code = 97
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = l;code = 108
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char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
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char = e;code = 101
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char = e;code = 101
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char = a;code = 97
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char = r;code = 114
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char = ;code = 32
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char = l;code = 108
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char = ;code = 32
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char = e;code = 101
char = ;code = 32
char = u;code = 117
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char = e;code = 101
char = d;code = 100
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char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = s;code = 115
char = e;code = 101
char = .;code = 46
result sql = PURPOSE : The validity of DIN 6857-1 to establish lead equivalence for protective clothing is evaluated by Monte Carlo simulations and measurements.
MATERIALS AND METHODS : Commercially available protective clothing made of lead, lead-free and lead-composite materials has been tested regarding its protective efficacy. The analysis has been performed on the one hand in accordance with the test conditions described in the manufacturing standard DIN EN 61331-3 and on the other hand following the new DIN 6857-1 standard. Additionally, measurements have been carried out under simulated patient conditions by using an Alderson-Rando phantom.
RESULTS : Following DIN EN 61331-3, the lead-free protective clothing achieved the required protective efficacy only at a restricted tube-voltage range. The test according to DIN 6857-1 showed that the protective criteria were fulfilled only by one lead-composite apron, but not by the three lead-free aprons examined. Thus, in order to guarantee the same protection as lead between 50 and 120 kV, the conditions of DIN 6857-1 must be fulfilled.
CONCLUSION : A modification of DIN EN 61331-3 to account for secondary radiation is strongly advised in the case of lead-free materials. In summary, most of the protective lead-free aprons in use should be used with care, particularly for examinations with a high dose.
char = -;code = 45
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char = a;code = 97
char = y;code = 121
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = l;code = 108
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = :;code = 58
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = D;code = 68
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = 6;code = 54
char = 8;code = 56
char = 5;code = 53
char = 7;code = 55
char = -;code = 45
char = 1;code = 49
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = b;code = 98
char = j;code = 106
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
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char = c;code = 99
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char = m;code = 109
char = p;code = 112
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char = r;code = 114
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = n;code = 110
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char = e;code = 101
char = t;code = 116
char = w;code = 119
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = -;code = 45
char = f;code = 102
char = r;code = 114
char = e;code = 101
char = e;code = 101
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char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = -;code = 45
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = ?;code = 63
result sql = X-Ray protective clothing: does DIN 6857-1 allow an objective comparison between lead-free and lead-composite materials?
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char = o;code = 111
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char = e;code = 101
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = M;code = 77
char = A;code = 65
char = T;code = 84
char = E;code = 69
char = R;code = 82
char = I;code = 73
char = A;code = 65
char = L;code = 76
char = S;code = 83
char = ;code = 32
char = A;code = 65
char = N;code = 78
char = D;code = 68
char = ;code = 32
char = M;code = 77
char = E;code = 69
char = T;code = 84
char = H;code = 72
char = O;code = 79
char = D;code = 68
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = C;code = 67
char = o;code = 111
char = m;code = 109
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = c;code = 99
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = v;code = 118
char = a;code = 97
char = i;code = 105
char = l;code = 108
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = l;code = 108
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = ,;code = 44
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char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = -;code = 45
char = f;code = 102
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = -;code = 45
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = g;code = 103
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = i;code = 105
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = f;code = 102
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = c;code = 99
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = y;code = 121
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = o;code = 111
char = r;code = 114
char = d;code = 100
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = c;code = 99
char = r;code = 114
char = i;code = 105
char = b;code = 98
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = u;code = 117
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = ;code = 32
char = D;code = 68
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = E;code = 69
char = N;code = 78
char = ;code = 32
char = 6;code = 54
char = 1;code = 49
char = 3;code = 51
char = 3;code = 51
char = 1;code = 49
char = -;code = 45
char = 3;code = 51
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = w;code = 119
char = ;code = 32
char = D;code = 68
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = 6;code = 54
char = 8;code = 56
char = 5;code = 53
char = 7;code = 55
char = -;code = 45
char = 1;code = 49
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = d;code = 100
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = y;code = 121
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char = ;code = 32
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = u;code = 117
char = r;code = 114
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char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = v;code = 118
char = e;code = 101
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char = b;code = 98
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = r;code = 114
char = i;code = 105
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = m;code = 109
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
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char = t;code = 116
char = ;code = 32
char = c;code = 99
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char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = A;code = 65
char = l;code = 108
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = o;code = 111
char = n;code = 110
char = -;code = 45
char = R;code = 82
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = o;code = 111
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = o;code = 111
char = m;code = 109
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = R;code = 82
char = E;code = 69
char = S;code = 83
char = U;code = 85
char = L;code = 76
char = T;code = 84
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = F;code = 70
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = D;code = 68
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = E;code = 69
char = N;code = 78
char = ;code = 32
char = 6;code = 54
char = 1;code = 49
char = 3;code = 51
char = 3;code = 51
char = 1;code = 49
char = -;code = 45
char = 3;code = 51
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = -;code = 45
char = f;code = 102
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = l;code = 108
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = h;code = 104
char = i;code = 105
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = f;code = 102
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = c;code = 99
char = y;code = 121
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char = o;code = 111
char = n;code = 110
char = l;code = 108
char = y;code = 121
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char = a;code = 97
char = t;code = 116
char = ;code = 32
char = a;code = 97
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char = r;code = 114
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = c;code = 99
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char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = u;code = 117
char = b;code = 98
char = e;code = 101
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char = v;code = 118
char = o;code = 111
char = l;code = 108
char = t;code = 116
char = a;code = 97
char = g;code = 103
char = e;code = 101
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char = r;code = 114
char = a;code = 97
char = n;code = 110
char = g;code = 103
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char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
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char = t;code = 116
char = e;code = 101
char = s;code = 115
char = t;code = 116
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char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = D;code = 68
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = 6;code = 54
char = 8;code = 56
char = 5;code = 53
char = 7;code = 55
char = -;code = 45
char = 1;code = 49
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char = s;code = 115
char = h;code = 104
char = o;code = 111
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char = e;code = 101
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char = t;code = 116
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char = a;code = 97
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char = t;code = 116
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char = e;code = 101
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char = p;code = 112
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char = c;code = 99
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char = v;code = 118
char = e;code = 101
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char = c;code = 99
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char = t;code = 116
char = e;code = 101
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char = i;code = 105
char = a;code = 97
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char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
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char = f;code = 102
char = u;code = 117
char = l;code = 108
char = f;code = 102
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char = l;code = 108
char = l;code = 108
char = e;code = 101
char = d;code = 100
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char = o;code = 111
char = n;code = 110
char = l;code = 108
char = y;code = 121
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char = b;code = 98
char = y;code = 121
char = ;code = 32
char = o;code = 111
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char = e;code = 101
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char = l;code = 108
char = e;code = 101
char = a;code = 97
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char = -;code = 45
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = t;code = 116
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char = n;code = 110
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char = t;code = 116
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char = b;code = 98
char = y;code = 121
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char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = t;code = 116
char = h;code = 104
char = r;code = 114
char = e;code = 101
char = e;code = 101
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char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = -;code = 45
char = f;code = 102
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = s;code = 115
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char = e;code = 101
char = x;code = 120
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = u;code = 117
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = i;code = 105
char = n;code = 110
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char = o;code = 111
char = r;code = 114
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = g;code = 103
char = u;code = 117
char = a;code = 97
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = s;code = 115
char = a;code = 97
char = m;code = 109
char = e;code = 101
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char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = s;code = 115
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char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = t;code = 116
char = w;code = 119
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = 5;code = 53
char = 0;code = 48
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
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char = ,;code = 44
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char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = D;code = 68
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = 6;code = 54
char = 8;code = 56
char = 5;code = 53
char = 7;code = 55
char = -;code = 45
char = 1;code = 49
char = ;code = 32
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char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
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char = e;code = 101
char = ;code = 32
char = f;code = 102
char = u;code = 117
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char = f;code = 102
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char = l;code = 108
char = l;code = 108
char = e;code = 101
char = d;code = 100
char = .;code = 46
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char = r;code = 114
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char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
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char = <;code = 60
char = b;code = 98
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char = C;code = 67
char = L;code = 76
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char = S;code = 83
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char = O;code = 79
char = N;code = 78
char = ;code = 32
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char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = A;code = 65
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = D;code = 68
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = E;code = 69
char = N;code = 78
char = ;code = 32
char = 6;code = 54
char = 1;code = 49
char = 3;code = 51
char = 3;code = 51
char = 1;code = 49
char = -;code = 45
char = 3;code = 51
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = a;code = 97
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = v;code = 118
char = i;code = 105
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = -;code = 45
char = f;code = 102
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = m;code = 109
char = m;code = 109
char = a;code = 97
char = r;code = 114
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = -;code = 45
char = f;code = 102
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = l;code = 108
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = d;code = 100
char = o;code = 111
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char = e;code = 101
char = .;code = 46
result sql = PURPOSE : The validity of DIN 6857-1 to establish lead equivalence for protective clothing is evaluated by Monte Carlo simulations and measurements.
MATERIALS AND METHODS : Commercially available protective clothing made of lead, lead-free and lead-composite materials has been tested regarding its protective efficacy. The analysis has been performed on the one hand in accordance with the test conditions described in the manufacturing standard DIN EN 61331-3 and on the other hand following the new DIN 6857-1 standard. Additionally, measurements have been carried out under simulated patient conditions by using an Alderson-Rando phantom.
RESULTS : Following DIN EN 61331-3, the lead-free protective clothing achieved the required protective efficacy only at a restricted tube-voltage range. The test according to DIN 6857-1 showed that the protective criteria were fulfilled only by one lead-composite apron, but not by the three lead-free aprons examined. Thus, in order to guarantee the same protection as lead between 50 and 120 kV, the conditions of DIN 6857-1 must be fulfilled.
CONCLUSION : A modification of DIN EN 61331-3 to account for secondary radiation is strongly advised in the case of lead-free materials. In summary, most of the protective lead-free aprons in use should be used with care, particularly for examinations with a high dose.
Publication: Rofo 2010 May ;182(5)::422-8. :doi: 10.1055/s-0028-1110000.
Publication Date: 2010 May
Study Author(s): Eder, H;Schlattl, Helmut;Hoeschen, C;
Institution: Bavarian Environmental Agency.
Shortcut link to this study:
Publication Date: 2010 May
Study Author(s): Eder, H;Schlattl, Helmut;Hoeschen, C;
Institution: Bavarian Environmental Agency.
Shortcut link to this study:
PURPOSE : The validity of DIN 6857-1 to establish lead equivalence for protective clothing is evaluated by Monte Carlo simulations and measurements.
MATERIALS AND METHODS : Commercially available protective clothing made of lead, lead-free and lead-composite materials has been tested regarding its protective efficacy. The analysis has been performed on the one hand in accordance with the test conditions described in the manufacturing standard DIN EN 61331-3 and on the other hand following the new DIN 6857-1 standard. Additionally, measurements have been carried out under simulated patient conditions by using an Alderson-Rando phantom.
RESULTS : Following DIN EN 61331-3, the lead-free protective clothing achieved the required protective efficacy only at a restricted tube-voltage range. The test according to DIN 6857-1 showed that the protective criteria were fulfilled only by one lead-composite apron, but not by the three lead-free aprons examined. Thus, in order to guarantee the same protection as lead between 50 and 120 kV, the conditions of DIN 6857-1 must be fulfilled.
CONCLUSION : A modification of DIN EN 61331-3 to account for secondary radiation is strongly advised in the case of lead-free materials. In summary, most of the protective lead-free aprons in use should be used with care, particularly for examinations with a high dose.
MATERIALS AND METHODS : Commercially available protective clothing made of lead, lead-free and lead-composite materials has been tested regarding its protective efficacy. The analysis has been performed on the one hand in accordance with the test conditions described in the manufacturing standard DIN EN 61331-3 and on the other hand following the new DIN 6857-1 standard. Additionally, measurements have been carried out under simulated patient conditions by using an Alderson-Rando phantom.
RESULTS : Following DIN EN 61331-3, the lead-free protective clothing achieved the required protective efficacy only at a restricted tube-voltage range. The test according to DIN 6857-1 showed that the protective criteria were fulfilled only by one lead-composite apron, but not by the three lead-free aprons examined. Thus, in order to guarantee the same protection as lead between 50 and 120 kV, the conditions of DIN 6857-1 must be fulfilled.
CONCLUSION : A modification of DIN EN 61331-3 to account for secondary radiation is strongly advised in the case of lead-free materials. In summary, most of the protective lead-free aprons in use should be used with care, particularly for examinations with a high dose.
PMID: 20143286
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