char = C;code = 67
char = h;code = 104
char = a;code = 97
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = z;code = 122
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 = p;code = 112
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = h;code = 104
char = o;code = 111
char = g;code = 103
char = y;code = 121
char = p;code = 112
char = s;code = 115
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = o;code = 111
char = c;code = 99
char = i;code = 105
char = a;code = 97
char = t;code = 116
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 = p;code = 112
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = h;code = 104
char = o;code = 111
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = .;code = 46
result sql = Characterization of phosphogypsum wastes associated with phosphoric acid and fertilizers production.

Characterization of phosphogypsum wastes associated with phosphoric acid and fertilizers production.

char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = o;code = 111
char = r;code = 114
char = k;code = 107
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = a;code = 97
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = h;code = 104
char = o;code = 111
char = g;code = 103
char = y;code = 121
char = p;code = 112
char = s;code = 115
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = G;code = 71
char = );code = 41
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = o;code = 111
char = c;code = 99
char = i;code = 105
char = a;code = 97
char = t;code = 116
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 = p;code = 112
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = h;code = 104
char = o;code = 111
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
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 = d;code = 100
char = u;code = 117
char = c;code = 99
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 = f;code = 102
char = e;code = 101
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = E;code = 69
char = g;code = 103
char = y;code = 121
char = p;code = 112
char = t;code = 116
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = P;code = 80
char = G;code = 71
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = a;code = 97
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = z;code = 122
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 = e;code = 101
char = r;code = 114
char = m;code = 109
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = c;code = 99
char = o;code = 111
char = p;code = 112
char = i;code = 105
char = c;code = 99
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 = (;code = 40
char = X;code = 88
char = -;code = 45
char = r;code = 114
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = X;code = 88
char = -;code = 45
char = r;code = 114
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = l;code = 108
char = u;code = 117
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = I;code = 73
char = R;code = 82
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = );code = 41
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = c;code = 99
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 = (;code = 40
char = g;code = 103
char = a;code = 97
char = m;code = 109
char = m;code = 109
char = a;code = 97
char = -;code = 45
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = -;code = 45
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = u;code = 117
char = r;code = 114
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 = 41
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = g;code = 103
char = a;code = 97
char = m;code = 109
char = m;code = 109
char = a;code = 97
char = -;code = 45
char = r;code = 114
char = a;code = 97
char = y;code = 121
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
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 = 32
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
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 = a;code = 97
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = 1;code = 49
char = 4;code = 52
char = 0;code = 48
char = +;code = 43
char = /;code = 47
char = -;code = 45
char = 1;code = 49
char = 2;code = 50
char = .;code = 46
char = 6;code = 54
char = ,;code = 44
char = ;code = 32
char = 4;code = 52
char = 5;code = 53
char = 9;code = 57
char = +;code = 43
char = /;code = 47
char = -;code = 45
char = 3;code = 51
char = 6;code = 54
char = .;code = 46
char = 7;code = 55
char = ,;code = 44
char = ;code = 32
char = 3;code = 51
char = 2;code = 50
char = 3;code = 51
char = +;code = 43
char = /;code = 47
char = -;code = 45
char = 2;code = 50
char = 8;code = 56
char = .;code = 46
char = 4;code = 52
char = ,;code = 44
char = ;code = 32
char = 8;code = 56
char = .;code = 46
char = 3;code = 51
char = +;code = 43
char = /;code = 47
char = -;code = 45
char = 0;code = 48
char = .;code = 46
char = 7;code = 55
char = 6;code = 54
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 6;code = 54
char = 4;code = 52
char = .;code = 46
char = 3;code = 51
char = +;code = 43
char = /;code = 47
char = -;code = 45
char = 4;code = 52
char = .;code = 46
char = 1;code = 49
char = ;code = 32
char = B;code = 66
char = q;code = 113
char = /;code = 47
char = k;code = 107
char = g;code = 103
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = U;code = 85
char = -;code = 45
char = 2;code = 50
char = 3;code = 51
char = 8;code = 56
char = ,;code = 44
char = ;code = 32
char = R;code = 82
char = a;code = 97
char = -;code = 45
char = 2;code = 50
char = 2;code = 50
char = 6;code = 54
char = ,;code = 44
char = ;code = 32
char = P;code = 80
char = b;code = 98
char = -;code = 45
char = 2;code = 50
char = 1;code = 49
char = 0;code = 48
char = ,;code = 44
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = -;code = 45
char = 2;code = 50
char = 3;code = 51
char = 2;code = 50
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = K;code = 75
char = -;code = 45
char = 4;code = 52
char = 0;code = 48
char = ,;code = 44
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
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 = l;code = 108
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 = l;code = 108
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = -;code = 45
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 = l;code = 108
char = e;code = 101
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
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 = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = u;code = 117
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = t;code = 116
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
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 = o;code = 111
char = f;code = 102
char = ;code = 32
char = U;code = 85
char = -;code = 45
char = 2;code = 50
char = 3;code = 51
char = 8;code = 56
char = ,;code = 44
char = ;code = 32
char = U;code = 85
char = -;code = 45
char = 2;code = 50
char = 3;code = 51
char = 5;code = 53
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = U;code = 85
char = -;code = 45
char = 2;code = 50
char = 3;code = 51
char = 4;code = 52
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = 1;code = 49
char = 5;code = 53
char = 3;code = 51
char = +;code = 43
char = /;code = 47
char = -;code = 45
char = 9;code = 57
char = .;code = 46
char = 8;code = 56
char = ,;code = 44
char = ;code = 32
char = 7;code = 55
char = +;code = 43
char = /;code = 47
char = -;code = 45
char = 0;code = 48
char = .;code = 46
char = 3;code = 51
char = 8;code = 56
char = ,;code = 44
char = ;code = 32
char = 1;code = 49
char = 5;code = 53
char = 2;code = 50
char = +;code = 43
char = /;code = 47
char = -;code = 45
char = 1;code = 49
char = 0;code = 48
char = .;code = 46
char = 4;code = 52
char = ;code = 32
char = B;code = 66
char = q;code = 113
char = /;code = 47
char = k;code = 107
char = g;code = 103
char = ,;code = 44
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
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 = l;code = 108
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 = v;code = 118
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = o;code = 111
char = c;code = 99
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = c;code = 99
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char = a;code = 97
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char = a;code = 97
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char = e;code = 101
char = n;code = 110
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char = i;code = 105
char = s;code = 115
char = ;code = 32
char = a;code = 97
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char = p;code = 112
char = r;code = 114
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char = a;code = 97
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char = l;code = 108
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char = 7;code = 55
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char = w;code = 119
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char = t;code = 116
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char = a;code = 97
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char = r;code = 114
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char = s;code = 115
char = o;code = 111
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char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
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char = ;code = 32
char = (;code = 40
char = F;code = 70
char = W;code = 87
char = H;code = 72
char = M;code = 77
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char = ;code = 32
char = o;code = 111
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char = ;code = 32
char = a;code = 97
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char = p;code = 112
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char = m;code = 109
char = a;code = 97
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char = l;code = 108
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char = 3;code = 51
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char = k;code = 107
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char = c;code = 99
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char = v;code = 118
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char = t;code = 116
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char = r;code = 114
char = a;code = 97
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char = i;code = 105
char = o;code = 111
char = s;code = 115
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = U;code = 85
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char = 2;code = 50
char = 3;code = 51
char = 8;code = 56
char = /;code = 47
char = R;code = 82
char = a;code = 97
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char = 2;code = 50
char = 2;code = 50
char = 6;code = 54
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char = a;code = 97
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char = U;code = 85
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char = /;code = 47
char = P;code = 80
char = b;code = 98
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char = 2;code = 50
char = 1;code = 49
char = 0;code = 48
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char = w;code = 119
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char = r;code = 114
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = s;code = 115
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char = t;code = 116
char = h;code = 104
char = a;code = 97
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char = u;code = 117
char = n;code = 110
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char = t;code = 116
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char = .;code = 46
char = ,;code = 44
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char = <;code = 60
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char = a;code = 97
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char = e;code = 101
char = q;code = 113
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char = a;code = 97
char = l;code = 108
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 3;code = 51
char = 1;code = 49
char = +;code = 43
char = /;code = 47
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char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 2;code = 50
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char = a;code = 97
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char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 4;code = 52
char = 7;code = 55
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char = 0;code = 48
char = .;code = 46
char = 1;code = 49
char = 6;code = 54
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char = s;code = 115
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char = e;code = 101
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char = v;code = 118
char = e;code = 101
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char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
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char = i;code = 105
char = s;code = 115
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char = o;code = 111
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char = a;code = 97
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char = o;code = 111
char = s;code = 115
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char = o;code = 111
char = f;code = 102
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char = U;code = 85
char = -;code = 45
char = 2;code = 50
char = 3;code = 51
char = 8;code = 56
char = /;code = 47
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char = 4;code = 52
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char = P;code = 80
char = G;code = 71
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char = P;code = 80
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char = a;code = 97
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char = p;code = 112
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char = a;code = 97
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char = E;code = 69
char = q;code = 113
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char = 3;code = 51
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char = 2;code = 50
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char = h;code = 104
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char = ;code = 32
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = u;code = 117
char = c;code = 99
char = l;code = 108
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = v;code = 118
char = i;code = 105
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = (;code = 40
char = i;code = 105
char = .;code = 46
char = e;code = 101
char = .;code = 46
char = ,;code = 44
char = ;code = 32
char = R;code = 82
char = a;code = 97
char = -;code = 45
char = 2;code = 50
char = 2;code = 50
char = 6;code = 54
char = );code = 41
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = P;code = 80
char = G;code = 71
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = t;code = 116
char = s;code = 115
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 = m;code = 109
char = p;code = 112
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = s;code = 115
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 = s;code = 115
char = u;code = 117
char = r;code = 114
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = v;code = 118
char = i;code = 105
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = .;code = 46
char = <;code = 60
char = b;code = 98
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result sql = The present work is directed to characterize the phosphogypsum (PG) wastes associated with phosphoric acid produced by the wet process in industrial facility for the production of fertilizers and chemicals in Egypt. The PG waste samples were characterized in terms of spectroscopic analysis (X-ray diffraction, X-ray fluorescence, IR spectra) and radiometric analysis (gamma- and alpha-measurements). The gamma-ray measurements showed that the average activity concentrations are 140+/-12.6, 459+/-36.7, 323+/-28.4, 8.3+/-0.76 and 64.3+/-4.1 Bq/kg for U-238, Ra-226, Pb-210, Th-232 and K-40, respectively. The alpha-particle measurements of uranium isotopes showed that the average activity concentrations of U-238, U-235 and U-234 were 153+/-9.8, 7+/-0.38, 152+/-10.4 Bq/kg, respectively. The average radiochemical recovery (%) of the destructive alpha-particle measurements is approximately 70% with a resolution (FWHM) of approximately 30 keV. Activity ratios of U-238/Ra-226 and U-238/Pb-210 were less than unity (i.e., <1) and equal to 0.31+/-0.02 and 0.47+/-0.16, respectively. The isotopic ratios of U-238/U-235 and U-238/U-234 (in PG and PR samples) were close to the normal values of approximately 21.7 and approximately 1, respectively and are not affected by the wet processing of phosphate rock (PR). The obtained results of PG waste samples were compared with phosphate rock (PR) samples. The radiation hazard indices are namely, radium activity index (Ra-Eq>370 Bq/kg), total absorbed gamma dose rate (D(gamma r)>5 nGy/h) and radon emanation fraction (Rn-EF>20%). Uncertainty of the sample counting was 95% confidence level of sigma. The results indicated the necessity to find suitable routes to decrease and/or redistribute the radionuclide of environmental interest (i.e., Ra-226) in PG wastes, consequently to reduce its radiation impacts in the surrounding environment.

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