منابع مشابه
An inexpensive and demountable walk-in incubator.
times after the incubator doors had been opened and closed (45 minutes to 45 hours), and in the centre of the highest and lowest shelf positions. The CO2 concentration varied between 31 % and 7-2 % and in practice a rate of between 20 and 60 ml per minute was found to support the growth of carbon dioxide requiring organisms such as newly isolated strains of N. gonorrhoeae and Br. abortus (inclu...
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Studies in aerobiology are often conducted on a comparative basis; that is, the numbers of viable airborne organisms obtained under one set of circumstances are compared to those obtained under other conditions. For samplers employed in such studies, reproducibility and ease of handling often are considered more important than absolute efficiency because the final conclusions are derived from i...
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Digital Image Analysis (DIA) has been employed to characterize the time evolution of a bubble injected from a single orifice into a pseudo 2-dimansional gas-solid fluidized bed. The injected bubble diameter increased with the square root of time before detachment. During bubble free flight in the bed, its diameter remains approximately constant. The center of mass of the bubble increases with t...
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15 صفحه اولDouble-orifice tricuspid valve: a rare entity.
Duplication of the atrioventricular valves is a rare anomaly and is more commonly seen in the mitral position. We report the case of a 14-year old child with a large inlet muscular ventricular septal defect, who had a double-orifice tricuspid valve, which was detected incidentally during surgery.
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ژورنال
عنوان ژورنال: Journal of the Air Pollution Control Association
سال: 1978
ISSN: 0002-2470
DOI: 10.1080/00022470.1978.10470637