نتایج جستجو برای: chemical industry
تعداد نتایج: 559995 فیلتر نتایج به سال:
Chemical industry parks in China are considered high-risk areas because they present numerous risks that can damage the environment, such as pollution incidents. In order to identify the environmental risks and the principal risk factors in these areas, we have developed a simple physical model of a regional environmental risk field (ERF) using existing dispersal patterns and migration models. ...
The only truie basis on whiPh the independence of ouir country can rest is agriculture and manufactures. To the promotion of these nothing tends in a higher degree than chemistry. It is this scienee which teaches ian lhow to correct the bad qualities of the land he cultivates bv a proper application of the variouis species of manure, and it is by means of a knowledge of this science that lhe is...
background & aims of the study: petrochemical industry is an important industry in the economic development of the country that causes employees have exposure with several kinds of contamination. the aim of this study was semi-quantitative assessment of the health risk of occupational exposure to chemical materials and investigation of spirometry indices between employees of petrochemical indus...
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