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Register a new userالإستفادة من مخلفات معامل الألبان في إنتاج حمض السيترك والغاز الحيوي
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Damascus University أطروحة دكتوراه
Publication date
2016
fields
Agricultural Engineering
and research's language is
العربية
Created by
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يعد حمض السيتريك أحد أهم الحموض العضوية التي يستخدمها الإنسان في مجالات شتى مما رفع الإنتاج العالمي مؤخراً إلى 1.6 مليون طن / سنوياً
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References used
الميدع إلياس 1990 الألبان القسم العملي مقرر السنة الرابعة الشعبة العاملة كلية الزراعة جامعة حلب
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This research was conducted in the Agriculture Faculty- Food Science
Department, Damascus University, for detecting Lactic acid bacteria isolated
from Syrian dairy products (white fresh cheese-Leben), Samples were collected
from August, 2004 to Oc
tober, 2005 from different areas in Syria. Analysis was
done for 245 bacterial isolates from 40 samples of white fresh cheese and 58
samples of yogurt (curd). Results showed that the genus Enterococcus was
dominant with a percentage of 47.52%; Pediococcus had a percentage of 26.3
%; while Lactococcus had a percentage of 15.38% with only 3.2% for
Lactobacillus.
This research was conducted at the Faculty of Agriculture, Department of
Food Science laboratories to isolate lactic acid bacteria from some Syrian milk
products (milk, yogurt, cheese) and determine some morphological,
physiological characteristic and the ability of these isolates to ferment sugars.
In this research, two types of studies were conducted: the first type is a quantum study of some uranium compounds, and the second type is an experimental study to separate some radioactive isotopes.
Hydrogen sulfide gas is naturally present in the environment, and with the progress of science and the increasing need for energy, the emissions of toxic and polluting gases to the environment, including hydrogen sulfide gas, have increased as a result of industrial processes carried out by humans.
International demand of energy resources increase as
result of economical and social accelerated development,
and under scenarios which predicted depletion of fossil fuel
resource, the efforts trends to alternative energy resource
as biofuel, whe
re a native strain of Botryococcus braunii
was isolated from Room reservoir in Sweida-Syria and
used to produce biofuel, production conditions optimized in
flasks, then turn to work on photobioreactor which made
by native experience. Dry biomass, lipid content of
Botryococcus braunii and optical density were calculated to
express algal growth.
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