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Now showing items 71-74 of 74
Preparation, Characterization and Structural Determination of some coordination compounds of quadridentae thiosemicarbazone
(
Qatar University
, 2004 , Article)
New transtion metal complexes of Co", Ni" and Cu" with benzil bis 4-(p-Chlorophenyl-thiosemicarbazone) and benzil bis 4-(p-Bromophenyl-thiosemicarbazone) were synthesized. Attempts were made to ascertain their probable ...
Application of Stripping Voltammetry for the Determination of Cadmium, Lead, Copper and Zinc in Yemani soils and Vegetables
(
Qatar University
, 2004 , Article)
Heavy metals contents in the solutions from acid digestion of Yemeni soils and vegetables were deter¬mined by differential pulsed anodic stripping voltammetry. The geometric mean for Cd, Pb, Cu and Zn concentrations for ...
الصندوق المالي المدرسي في المدارس الثانوية بدولة الكويت
(
Qatar University
, 2004 , Article)
تحاول هذه الدراسة التعرف على المشكلات التي تواجه الصندوق المالي المدرسي في المدارس الثانوية بدولة الكويت، وكذلك معرفة وجهات نظر المبحوثين باختلاف نظام الدراسة أو نوع المدرسة أو المنطقة التعليمية أو المسمى الوظيفي لمن يقوم ...
The effect of two substituents on different organoselenides and tellurides to form new charge-transfer complexes
(
Qatar University
, 2004 , Article)
Different organotellurides and selenides were prepared as electron donors and reacted with p-Benzoquinone (p-BQ) and m-Dinitrobenzene (m-DNB) as electron acceptors .
The resulted molecules were considered as new ...