نتایج جستجو برای: vapor extraction

تعداد نتایج: 201321  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

2003
M. E. Sawan S. Malang

Two-dimensional neutronics analysis has been performed for the EVOLVE (EVaporation Of Lithium and Vapor Extraction) FW/blanket concept. The concept utilizes a refractory alloy (W-5Re) structure. The overall tritium breeding ratio is 1.37 at a lithium enrichment of 40% Li. The amount of nuclear heat deposited in the different regions was determined. About 76% of the total thermal energy is carri...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم 1392

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

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