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Register a new userتاثير ماء الجفت في بعض الخواص الفيزيائية والكيميائية والحيوية للترب الطينية القلابة VERTISOLS
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Damascus University رسالة ماجستير
Publication date
2018
fields
Agricultural Engineering
and research's language is
العربية
Created by
Shamra Editor
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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
No English abstract
References used
الشاطر , محمد سعيد وأكرم البلخي 2014 خصوبة التربة وتغذية النبات جامعة دمشق
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This research was conducted in 2016c, at the Zahid Western
Research Station in Akkar Plain region of Tartous Governorate, the
objective of this research is study the effect of non-conventional
organic waste (compost of garbage, sewage sludge) and
cow
manure on the physical properties of clay soil in the region. Wastes
was added to the soil at a rate of (0 - 10 - 20 – 30) t/ha, in order to
determine the effect of the difference in the quantity added on
physical properties of the soil and peanut productivity.
بلغ الإنتاج العالمي من زيت الزيتون 2800000 طن ويحتل القطر العربي السوري المرتبة الخامسة عالمياً من حيث الإنتاج (FAo, 2007 )
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).
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
3,4-dihydroxybenzoic acid is one of phenolic compounds that exists in olive mill waste water (OMWW) and different industrial wastewater.Commercially activated charcoal was studied as absorbent of polyphenols. The value of specific surface area was 73
6.7189 m2/g. Equilibriums of 3,4-dihyroxybenzoic acid from aqueous solutions on four different particle sizes of the adsorbent with diameters ranged A(1000-2000), B(500-1000), C(250-500), D(125-250)m was examined at different initial concentrations ofabsorbate. The experimental data were analyzed using the Langmuir and Freundlich isotherm models. Both the isotherm models fit the adsorption data. Monolayer absorption capacities Q0 calculated from Langmuir equation were (0.36, 0.23, 0.34, 0.35mmol/g) for the different granular activated carbon sizes (A,B,C,D) respectively. The values of constant Kf calculated from Freundlich equation were (0.75, 0.61, 0.76, 0.79mmol/g) for the four sizes of granular activated carbon (A,B,C,D) respectively.
The results show that the charcoal activated carbon can be used as absorbent for polyphenol compounds.
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