نتایج جستجو برای: environmental factor

تعداد نتایج: 1189057  

1998
LAWRENCE H. GOULDER

This paper uses analytically tractable and numerically solved general equilibrium models to examine the significance of pre-existing distortions in factor markets for revenueneutral environmental tax reforms and for various policies involving pollution quotas and permits. Results indicate that pre-existing factor taxes generally raise the costs of these environmental policies. This reflects a t...

Agricultural waste management is one of the important issues that agricultural producers should consider to increase their income and environmental protection. Therefore, the investigation of factors that reduce the rate of agricultural production wastage as well as citrus production wastage is of utmost consequence in order to manage wastes, reduce environmental degradation and ecosystem destr...

In the current economic conditions of the country, retaining knowledge workers is one of the most important future challenges for organization, especially in the knowledge-based organizations. So, this study aimed at designing a knowledge worker turnover model. The mixed method has been used in this research. In order to collect data, three-stage Delphi technique, semi-structured interviews and...

Journal: :اقتصاد و توسعه کشاورزی 0
مهدی علیخانی مهدی چرمچیان لنگرودی

job satisfaction is a positive or pleasant emotional state resulting from a person’s appreciation of his/her own job or experience. the study purpose was to model job satisfaction for teachers working in agricultural institutes within mazandaran province of iran. the study used a descriptive-correlative design . the statistical population (including all instructors working for agricultural inst...

The extent of environmental degradation is increasing and environmental protection requires utilizing the cultural and social capabilities of human communities. The purpose of this study was to investigate the environmental citizenship of residents aged 18 and older in Shiraz and its relationship with social capital and socio-economic variables. The method of this research was a survey and th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان - دانشکده علوم کشاورزی 1390

امروزه، در بیشتر اراضی سرعت فرسایش خاک بیش از سرعت تشکیل خاک است. در نتیجه باعث تهی شدن منابع خاک و کاهش توانایی حاصلخیزی خاک می شود. در ایران استان گلستان به علت موقعیت جغرافیایی و اقلیمی آن و تخریب بالای منابع آن و همچنین به علت اینکه سطح وسیعی از اراضی از لس تشکیل شده دارای میزان فرسایش خاک بالایی می باشد. یکی از راه های تخمین میزان فرسایش و رسوب و بررسی میزان تلفات مواد غذایی خاک استفاده از...

Journal: :رسالت مدیریت دولتی 0

the findings indicate that among the main factors affecting job stress the psycho-social, physical and environmental factors are prior to the other factors. also amongst the psychosocial factors, lack of career promotion opportunities with 0.222 has the most weight and a lack of accountability of the management about the employees' concerns with 0.036 has the least weight; amongst the phys...

Journal: :journal of biomedical physics and engineering 0
s j hosseinialiabadi s m hosseini pooya h afarideh f mianji

normal 0 false false false en-us x-none fa background: the angular dependency of response for tld cards may cause deviation  from its true value on the results of environmental dosimetry, since tlds may  be exposed to radiation at different angles of incidence from the surrounding area. objective: a 3d setting of tld cards has been calibrated isotropically in a standard  radiation field to eval...

Journal: :محیط شناسی 0
سید حسین بحرینی فرهاد ایمنی

this research focuses on the role of the environmental nongovernmental organizations in iran and also the evaluation of their performance in achieving public participation to protect environment. findings of this research .reveal that so far these organizations have lacked the ability to prepare the context for people involvement in environmental conservation, which is due to several major cons...

Journal: :Annals of agricultural and environmental medicine : AAEM 2012
Małgorzata H J Sikorska-Jaroszyńska Maria Mielnik-Błaszczak Dorota Krawczyk Alicja Nasiłowska-Barud Jerzy Błaszczak

Initially, tobacco was considered as a decorative plant and only later began to be treated as a herb with special therapeutic properties. With time, it was found that tobacco had strong insecticidal and addictive properties. There also occurred reports about the negative influence of tobacco on human health. The World Health Organization (WHO) classifies smoking as a chronic, progressive diseas...

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