نتایج جستجو برای: productivity and

تعداد نتایج: 16835321  

M. Khoveyni, R. Eslami,

The Malmquist productivity index evaluates the productivity change of a decision making unit (DMU) between two time periods. In this current study, a method is proposed to compute the Malmquist productivity index in several time periods (from the first to the last periods) in data envelopment analysis (DEA) and then, the obtained Malmquist productivity index is compared with Malmquist produ...

Journal: :زراعت دیم ایران 0
علیرضا توکلی مرکز تحقیقات کشاورزی و منابع طبیعی استان سمنان ( شاهرود ) عبدالمجید لیاقت دانشگاه تهران امین علیزاده دانشگاه فردوسی مشهد

low cereal and legumes yields and their rwp index are mainly due to poor distribution of rainfall and poor agronomic management practices. rainfed barley yield and rain water productivity (rwp, defined as rainfed grain yield divided by the total crop season annual rainfall water) in the dry farming are considerable by topography and latitude. yield data, rainfall, altitude and latitude of 182 p...

Journal: :Ecology letters 2015
Laureano A Gherardi Osvaldo E Sala

Although precipitation interannual variability is projected to increase due to climate change, effects of changes in precipitation variance have received considerable less attention than effects of changes in the mean state of climate. Interannual precipitation variability effects on functional diversity and its consequences for ecosystem functioning are assessed here using a 6-year rainfall ma...

In this research, the factors affectinguniversity employees’ motivation and productivity are identified and classified in seven groups; the impact of each motivation factor on the productivity is presented by ANP fuzzy model.Eight universities in Iran were analyzed in this research work. The aim of this study is to explore the productivity of employees. This paper attempts to give new insights ...

Journal: :آینده پژوهی مدیریت 0
فتاح ناظم ندارد

the system of education is absolutely on the greatest and most complicated innovations of human being. today, in every country huge investments are made for education a large population of children, by a great number of people. it is obvious that education, which is related to the most valuable assets of nations, cannot be managed without using scientific tactics. productivity is a relatively a...

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Background: Labor productivity is one of the most important organizational capitals that ‎determine the realization of objectives and plans of that organization. Therefore, it appears ‎important to investigate factor affecting it especially in the light of ethical decision-making. ‎Understanding this issue, this study was conducted to investigate the relation of organizational ‎agility, teamwor...

Journal: :Advances in Computers 2008
Jack J. Dongarra Robert Graybill William Harrod Robert F. Lucas Ewing L. Lusk Piotr Luszczek Janice McMahon Allan Snavely Jeffrey S. Vetter Katherine A. Yelick Sadaf R. Alam Roy L. Campbell Laura Carrington Tzu-Yi Chen Omid Khalili Jeremy S. Meredith Mustafa M. Tikir

The historical context surrounding the birth of the DARPA High Productivity Computing Systems (HPCS) program is important for understanding why federal government agencies launched this new, longterm high performance computing program and renewed their commitment to leadership computing in support of national security, large science, and space requirements at the start of the 21st century. In t...

بخشی, احسان, ذاکریان, سید ابوالفضل, عبدی, زیبا, کامرانی, مهرداد, کلانتری, رضا, گروسی, احسان,

Introduction: Workplace design is one of the factors that can influence comfort, performance, productivity and the health status of employees. The effects of this factor on human’s productivity and performance are studied in the domain of ergonomics. The impact of workplace design on workers’ productivity and performance can be determined by investigation of the quality of the design. The main ...

ژورنال: ارگونومی 2019

Background and Objectives: Design of work environment is one of the factors that can affect performance and efficiency of employees. Human’s productivity has different dimensions that may be affected by environmental factors and internal factors such as demographic characteristics. Therefore, this study was designed to investigate the relationship between environmental and demographic factors w...

Damiri, Zabiholah , Yarahmadi, Rasoul , Yeganeh, Reza ,

Introduction: Occupational health is one of the important issues that can affect productivity and economic development of an organization. This study aimed to determine the effect of didactic interventional Ergonomic-Safety program on workers’ productivity of an assembling industry. Methods and Materials: This interventional study was conducted on 54 workers of assembling part of an electronic...

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