نتایج جستجو برای: ejector refrigeration fycle erc
تعداد نتایج: 6706 فیلتر نتایج به سال:
Evolutionary rate covariation (ERC) is a phylogenetic signature that reflects the covariation of a pair of proteins over evolutionary time. ERC is typically elevated between interacting proteins and so is a promising signature to characterize molecular and functional interactions across the genome. ERC is often assumed to result from compensatory changes at interaction interfaces (i.e., intermo...
The oral retention of fluoride (F) following the topical application of a newly developed APF foam was compared with a conventional APF gel. Twenty adults aged 16-26 years participated in the study. Ten of the subjects received the F foam and gel treatments, on separate occasions, with a saliva ejector while another 10 subjects received the same treatment without saliva ejector. Approximately 4...
OBJECTIVES To explore volume changes of the entorhinal cortex (ERC) and hippocampus in mild cognitive impairment (MCI) and Alzheimer's disease (AD) compared with normal cognition (NC); to determine the powers of the ERC and the hippocampus for discrimination between these groups. METHODS This study included 40 subjects with NC, 36 patients with MCI, and 29 patients with AD. Volumes of the ERC...
Rubus chingii Hu (Rosaceae) is an important traditional Chinese medicine that has been used to improve function of the kidney and treat excessive polyuria. However, the effects of Rubus chingii on the cardiovascular system and its pharmacological mechanisms of action have not been studied. The aim of the present study was to evaluate the cardiovascular effects of ethanol extract of Rubus chingi...
Sphincterotomy of the ampulla of Vater--a common diagnostic and therapeutic procedure that is sometimes done during endoscopic retrograde cholangiography (ERC)--allows reflux of intestinal content into the biliary tree. The resulting inflammation may contribute to malignant transformation of the biliary epithelium and therefore increase the risk of cholangiocarcinoma. We used data from populati...
Grammars in Optimality Theory can be characterized by sets of Ercs (Elementary Ranking Conditions). Antimatroids are structures that arose initially in the study of lattices. In this paper we prove that antimatroids and consistent Erc sets have the same formal structures. We do so by defining two functions MChain and RCerc, MChain being a function from consistent sets of Ercs to antimatroids an...
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