A serological investigation into the epidemiology of influenza with particular reference to sporadic cases
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چکیده
منابع مشابه
Serological Studies of Swine Erysipelas with Particular Reference to Agglutination
When the results of previous investigations ^ on the agglutination test for swine erysipelas were reported, information was not available as to the time of the appearance and stability of agglutinins in the blood stream of swine following infection. To obtain data on this point, a series of observations and agglutination tests on artificially infected swine was made. Information on the subject ...
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In order to use gaseous fuels in Diesel Engines, Dual-Fuel Diesel Engine (D. F. D. E) the pilot injection approach is chosen. To predict its performance, an engine cycle model, based on limited-pressure Diesel cycle, is constructed. The model predicts D. F. D. E performance with LPG, and CNG gases. Comparing with pure Diesel engine, by increasing gas proportion in dual-fuel, indicated power and...
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چکیده ندارد.
15 صفحه اولa comparative study of language learning strategies employmed by bilinguals and monolinguals with reference to attitudes and motivation
هدف از این تحقیق بررسی برخی عوامل ادراکی واحساسی یعنی استفاده از شیوه های یادگیری زبان ، انگیزه ها ونگرش نسبت به زبان انگلیسی در رابطه با زمینه زبانی زبان آموزان می باشد. هدف بررسی این نکته بود که آیا اختلافی چشمگیر میان زبان آموزان دو زبانه و تک زبانه در میزان استفاده از شیوه های یادگیری زبان ، انگیزه ها نگرش و سطح مهارت زبانی وجود دارد. همچنین سعی شد تا بهترین و موثرترین عوامل پیش بینی کننده ...
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In this country cerebrospinal meningitis (fever) is an endemic disease found mainly in children and adolescents; local outbreaks occur, but they are rare and usually involve few individuals. The disease has, however, a marked predilection for war-time conditions; relatively extensive outbreaks occurred during the 1914-18 war, and again to an even greater extent during the 1939-45 war. These out...
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ژورنال
عنوان ژورنال: Journal of Hygiene
سال: 1940
ISSN: 0022-1724
DOI: 10.1017/s0022172400027674