تعديل السطح والاستفادة المثلى من الانحدار الخطي لعملية ...
journal of kerbala university · The study relied on the selection of (34)samples representing sediments of clay fractions which are less than (2)micrometer, sand fractions (125-88) micrometer with in the sediments of the study area for the depths of (0-540)cm to determine the concentrations of (6)heavy trace elements and environment Polluting which are ( Ni,Cu,Zn, Pb, Cd and Fe ) and the ...