نتایج جستجو برای: coefficient of performance
تعداد نتایج: 21231285 فیلتر نتایج به سال:
چکیده در بخش اول این پروژه دو روش میکرواستخخرا به نامهای میکرواسخخرا امولسیونی با کمک اموا فراصتتتو 1 و میکرواستتتخخرا مای – مای با کمک هوا 2 ، به عنوان دو روش میکرواستتتخخرا بدون حلال پخشکننده 3 ، برای اسخخرا برخی هیتدروکربتنهای آروماتیتک حلقوی 4 از نمونتههای آبتی بهکار گرفخه و پارامخرهای موثری همچون نوع حلال اسختتتتخرا کننده، حجم حلال اسخخرا کننده، میزان نمک، زمان تابش اموا فراصتو ، تددا...
the aim of this study is to investigate the relationship between social capital among employees with their job performance in tehran's forensic medicine organization. the study population consisted of all the employees of tehran's forensic medicine organization in 2015 that based on available statistics are 120 employees that because of limited statistical population, sampling has not...
background: development of organizations and increasing their role in society, the social consequences of their activities and their impact on the various stakeholders has become increasingly important so that the social and moral functions have a big influence on the overall performance of the organization. the aim of this study was to investigate the relationship between work ethics and organ...
To circumvent the limitations of the tests for coefficients of variation and Sharpe ratios, we develop the mean-variance-ratio statistic to test the equality of the meanvariance ratios and prove that our proposed statistic is uniformly most powerful unbiased. In addition, we illustrate the applicability of our proposed test to compare the performances of stock indices.
This paper deals with the heat exchange performance prediction of a counter flow double-tube condenser for binary natural refrigerant mixtures (propane/n-butane & propane/i-butane ). The local characteristics of the heat transfer and pressure drop are calculated using a prediction method developed by authors, and the total pressure drop, the overall heat transfer coefficient and the average hea...
The relationship between structure and inhibition activity on carbonic anhydrase I of a set of forty substituted 1,3,4-thiadiazoleand 1,3,4-thiadiazoline-disulfonamides has been investigated by using the Molecular Descriptors Family method. The molecular descriptors family has been generated starting with the information obtained from the compounds structure and the descriptors were calculated....
Background and Purpose: This study aimed to evaluate the relationship between organizational structure and organizational performance from the perspective of the staff of 115 emergency departments of Mazandaran province, Iran. Materials and Methods: In this study, data were collected from the emergency personnel of different hospitals of Mazandaran province, Iran in 2014. Moreover, data ...
the purpose of this study is to evaluate the impact of self-fulfilling prophecy on the motivation and performance of national iranian gas company staffs. in this study, considering the importance of peoples’ perception and its role in motivation and consequently their performance in organization, we have tried to investigate the influence of one of these perceptual factors by using the correlat...
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