منابع مشابه
control of the optical properties of nanoparticles by laser fields
در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...
15 صفحه اولCorrection of thiazide hyperuricemia by potassium chloride and ammonium chloride.
Large doses of KCI lowered serum uric acid while producing mild, apparently unrelated, uricosuria in four chlorothiazide-treated subjects. In two control subjects KCI also caused mild uricosuria, but had a negligible effect on serum uric acid concentration. Ammonium chloride decreased serum urate in all six subjects, while urinary uric acid excretion remained essentially unchanged. It is sugges...
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this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...
effect of postharvest application of chitosan and calcium chloride on decay and quality attributes of sweet cherry
چکیده ندارد.
15 صفحه اولAmmonium chloride catalyzed microwave-assisted synthesis of tetrahydrobenzo[b]pyrans
In the present work, we have developed a mild, efficient, and environmentally benign method for the synthesis of tetrahydrobenzo[b]pyran derivatives via a three-component cyclocondensation of aldehydes, malononitrile and dimedone utilizing ammonium chloride as a simple, easily available and cost effective catalyst under microwave irradiation. This method has several attracting features such as ...
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ژورنال
عنوان ژورنال: Journal of Clinical Investigation
سال: 1951
ISSN: 0021-9738
DOI: 10.1172/jci102530