نتایج جستجو برای: compound proportion
تعداد نتایج: 259670 فیلتر نتایج به سال:
The positive relationship between trust and happiness is well documented in the well-being literature. However, it is not yet clear how much of this relationship is moderated across different environmental conditions. The Great East Japan Earthquake of 2011 is considered one of the most catastrophic events in human history. It caused not only severe physical damage for the Japanese people, but ...
Proportional-share scheduling has been investigated by many researchers including: Wald-spurger et. al. at MIT and by Stoica et. al. at Old Dominion University. This work, however, suuers from high overhead and limited scalability problems when applied to a distributed system. This paper presents an alternative approach to proportion-share scheduling, which overcomes these problems. Our system ...
Background and aims: Toluene is a toxic volatile organic compound that needs to be removed from contaminated air. Photocatalytic degradation is one of the techniqe available for removeing of compound. This study was performed to determine the efficiency of ZnO-SnO2/AC catalyst on the photocatalytic removal of toluene vapors. Methods: In this experimental study, the characteristics of the pro...
Background: Around one out of two mothers give births by cesarean section (CS) surgery in Iran and about half of this number is due to previous CS. Recently Health Sector Evolution (HSEP) program (started in April 2014) targets the high rate of CS in Iran. To assess the impact of the interventions, we emphasized that the First Birth Cesarean (FBC) proportion is one of the main indicators to ass...
Human African trypanosomiasis or sleeping sickness is one of the most important but equally most neglected tropical infections. It is caused by a protozoan, Trypanosoma brucei, which is transmitted to humans through the bite of a tsetse fly (Glossina spp). Patchy distribution of the various vector species confines the disease to some 200 microfoci in sub-Saharan Africa (fig 1). The disease had ...
Research in diagnostic radiology often aims to establish the safety and the accuracy of a new procedure or to compare it with other procedures. Frequently, the diagnostic performance of a test can be summarized by proportions such as accuracy, sensitivity, and specificity. Safety may be reflected by the proportion of patients experiencing unpleasant or adverse effects. The confidence interval i...
This discussion paper is/has been under review for the journal Hydrology and Earth System Sciences (HESS). Please refer to the corresponding final paper in HESS if available. Abstract This paper revisits the tangent expression for the slope gradient (tan β) used in the general flow-partition function in multiple-flow-direction (MFD) algorithms. The deduction of the flow-partition function perfo...
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