Browsing by Subject "Chemistry"
Now showing items 101-106 of 106
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Vibrational Analysis Of TaBr5
( Qatar University , 1987 , Article)Vibrational analysis for TaBr5 is achieved on the basis of D3h symmetry and employing GF matrix method. Each vibration is quantitatively assigned according to the calculated values of the potential energy distributions. ... -
Viscous Behavior of Dilute CMC Salt Solution Before and After Photodegradation
( Qatar University , 2006 , Article)Photodegradation curve of carboxymethylcellulose (CMC) in aqueous solution has been reported. Densities and solution viscosities of very dilute CMC salt solution before and after UV-irradiation have been measured. ... -
Window Analysis Optimization Of Gas Chromatographic Separation Using Different Polarity Packed Columns
( Qatar University , 1996 , Article)Window diagram theory has been described by Purnell and his research team in various publications. In this paper we apply this theory to optimize a separation of complex mixture containing propylene oxide, 1-hexene, ... -
Z1, center orientations and adsorption of atomic halogens at the (001) surfaces of Alkaili Chloride Crystals: DFT Calculations.
( Qatar University , 2004 , Article)An attempt has been made to examine the relative stabilities of Z, center orientations at the surfaces of Be2+, Mg2+ and Ca2+ doped LiCl, NaCl and KC1 ionic crystals as well as the effects of Z, center on the adsorption ... -
فعالية استخدام تقنية التشعب النصي في تدريس الكيمياء لطالبات السنة الأولى في المستوى الجامعي لكلية العلوم جامعة الملك عبد العزيز بجدة
( Qatar University , 2004 , Article)يتناول البحث الحالي التحقق التجريبي من فعالية استخدام تقنية التشعب النصي Hypertext كخاصية من خواص معالجة النصوص لتكوين قاعدة بيانات يتم الربط بينها باستخدام مجموعة من الإحالات المرجعية cross-references تسهل على القارئ ...