منابع مشابه
Designing ionic liquids for absorptive cooling†
A computational methodology for designing ionic liquids (ILs) with an enhanced water absorption capacity to be used in absorptionrefrigeration systems is presented here. It is based on increasing the hydrogen bond (HB)-acceptor ability of the anion and combining it with a cation that presents a weak cation–anion interaction. Employing this strategy, we identified and prepared three novel dianio...
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Two methods of simplifying the procedure for examining urine samples for Chlamydia trachomatis were investigated. When 73 urine samples from 56 men with acute non-gonococcal urethritis were examined by direct immunofluorescence (MicroTrak), centrifuging 1 ml volumes of urine at 13,000 rpm for five minutes was at least as efficient for detecting C trachomatis as centrifuging larger volumes at 30...
متن کاملCooling Devices Used in the Home Setting
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متن کاملA setup for fast cooling of liquids in sealed containers
Wepresent a simple layout of a fast cooling system for liquids in sealed containers utilizing the large temperature gradients of cold nitrogen gas. Our system is optimized for about 20 cylindrical containers of 500 cm, but the setup allows for simple upand down-scaling aswell as the use of arbitrary containers.We have characterized the cooling performance of our system experimentally for temper...
متن کاملTo test or not to test: Preliminary assessment of normality when comparing two independent samples
BACKGROUND Student's two-sample t test is generally used for comparing the means of two independent samples, for example, two treatment arms. Under the null hypothesis, the t test assumes that the two samples arise from the same normally distributed population with unknown variance. Adequate control of the Type I error requires that the normality assumption holds, which is often examined by mea...
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ژورنال
عنوان ژورنال: ANNALS OF THE ORADEA UNIVERSITY. Fascicle of Management and Technological Engineering.
سال: 2012
ISSN: 1583-0691
DOI: 10.15660/auofmte.2012-3.2627