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Register a new userتحسين الثباتية الفيزيائية والكيميائية للغابابنتين باستخدام سواغات مختلفة
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Damascus University رسالة ماجستير
Publication date
2014
fields
Pharmacy
and research's language is
العربية
Created by
Shamra Editor
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يعتبر غابابنتين من المواد الدوائية غير الثابتة حيث يتدرك غابابنتين بحلقنة داخل الجزيء ليشكل غابابنتين لاكتام عن طريق هجوم محب للنواة للألكيل أمين على كاربونيل كاربوكسيلات متبوع بنزع الماء
No English abstract
References used
Chawla G and Bansal A . Cjallenges in Polymorphismof pharmaceuticals. CRIPS 2004
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This study was conducted during the 2011-2012 and 2012-2013 seasons in
Abu-Jarash orchards area in Damascus to identify the effect of improved
organic materials as sludge, manure and compost in improving some soil
physical characteristics and whea
t productivity. Results showed that the three
types of organic material affected the physical characteristics of the studied
soil. They decreased its bulk density, increased its total porosity and increased
its ability of holding water at field capacity. Results also showed that the
compost of city wastes was the best in improving soil physical properties. The
three organic materials, particularly the sludge increased the total productivity
of wheat (Sham3).
يعود ظهور شجرة الزيتون إلى ماض سحيق ( ستة آلاف سنة ) وقد ارتبط نشؤوها بتاريخ بلدان البحر الأبيض المتوسط حيث لعبت منذ الأزمان الأولى دوراً هاماً في اقتصاد شعوب البحر الأبيض المتوسط
بلغ الإنتاج العالمي من زيت الزيتون 2800000 طن ويحتل القطر العربي السوري المرتبة الخامسة عالمياً من حيث الإنتاج (FAo, 2007 )
In this study, samples of cotton fabric were dyed using direct dye
by the traditional method as well as using microwave energy at
different energy levels. It was noted that the use of microwave
energy increase the dye exhaustion at the used energy
levels
compared to the traditional method, as well as improving the
fastness to washing and wet rubbing.
A reactive dye was applied to woven cotton fabric then washed-off
using water and three alkaline agents (ammonium hydroxide,
sodium bicarbonate, sodium hydroxide). The aim of washing-off is
to eliminate of dyes no fixed on fabric to avoid its diss
olution
during washing what reduces fastness to washing.
The duration and temperature of wash-off were fixed, and the
concentrations of alkaline agents used were varied, and the effects
of these variables on the wash fastness of the dyeing were
determined.
There was little difference between the three alkaline agents, in
terms of the level of wash-fastness achieved. The best result was
with sodium bicarbonate and sodium hydroxide
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