نتایج جستجو برای: whereby environmental pollution may decline

تعداد نتایج: 2146987  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

2009
Fabio Antoniou Panos Hatzipanayotou Phoebe Koundouri

We construct a strategic trade model of an international duopoly, whereby production by exporting firms generates a local pollutant. Governments use environmental policies, i.e., an emissions standard or a tax, to control pollution and for rent shifting purposes. Contrary to their firm, however, governments are unable to perfectly foresee the actual level of demand, the cost of abatement and th...

2009
Elga Bartsch

A well known result in the economics of tort law is that in the case of a unilateral stochastic externality both a negligence rule and strict liability are in general able to achieve socially optimal precaution. It will be shown in this paper that this equivalence result does no longer hold if imperfect information and multidimensional pollution control activities are considered. It will turn o...

2013
Wolfgang Buchholz Alexander Haupt Wolfgang Peters

In this paper, we analyse how the prospect of international negotiations over transboundary pollution shapes intra-country transfer schemes when the governments of the countries’polluting regions are in charge of environmental policy and negotiations. Federal governments can implement compensation payments between domestic regions and matching grants prior to the international negotiations betw...

آذرکیوان, آزیتا, آقائی‌پور, مهناز, ارژنگیان, محمدحسین, افرادی, حجت, حاجی‌بیگی, بشیر, رازجو, فرهاد, شریفی, شهین, عشقی, پیمان,

Background and Objective: Leukocyte filters are effective for WBC reduction but they cannot inhibit passing plasma proteins and as a result repeated protein entry may produce allergic transfusion reactions. To deal with this problem, washed RBC method is used. The traditional wash method is an open system through which waste products are carried away in sewers with the risk of environmental pol...

2018
Jingmei Dong Su Zhang Li Xia Yi Yu Shuangshuang Hu Jingyu Sun Ping Zhou Peijie Chen

It is an extremely urgent problem that physical fitness promotion must face not only the increasing air pollution but also the decline of physical activity level of children and adolescents worldwide at present, which is the major reason that forms an inactive lifestyle and does harm to adolescents' health. Thus, it is necessary to focus on the exposure factor in environmental health risk asses...

2008
Jianfa Shen

This paper examines the rapid urban growth in the city of Shenzhen with particular focus on urban economic growth, population growth, agriculture and environmental changes. With the rapid expansion of population and the builtup area, there is increasing demand for the provision of urban infrastructure. The volume of environmental pollution is also increasing. The problems of environmental pollu...

Journal: :iranian journal of public health 0
yan li zhejiang provincial key laboratory of pathophysiology, department of histology and embryology, medical school of ningbo uni-versity, ningbo, china. qiaoyan gao zhejiang provincial key laboratory of pathophysiology, department of histology and embryology, medical school of ningbo uni-versity, ningbo, china. mingcai li zhejiang provincial key laboratory of pathophysiology, department of histology and embryology, medical school of ningbo uni-versity, ningbo, china. mengyang li zhejiang provincial key laboratory of pathophysiology, department of histology and embryology, medical school of ningbo uni-versity, ningbo, china. xueming gao zhejiang provincial key laboratory of pathophysiology, department of histology and embryology, medical school of ningbo uni-versity, ningbo, china.

the environmental pollution is one of the factors contributing to the decrease of sperm quality for human beings. the aim of this study was to assess cadmium (cd), chromium (cr), and copper (cu) concentration of man in environmental pollution site, and explore relationships between men exposure to cd, cr, and cu and semen-quality parameters in environmental pollution site.ninety five men were r...

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