نتایج جستجو برای: permissible level

تعداد نتایج: 1084925  

Journal: :Journal of the Illuminating Engineering Institute of Japan 1988

Journal: :Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport 2017

2015
R. Subha

In recent years, there has been an enormous amount of research and development in the area of removal of phenol by various physiochemical methods due to their carcinogenic nature and pungent odour. The MOEF has set a maximum concentration level of 1 mg/L of phenol in industrial effluents for safe discharge into surface waters, the WHO recommends a permissible phenolic concentration of 0.001 mg/...

Journal: :International journal of occupational safety and ergonomics : JOSE 2007
Krisada Asawarungsaengkul Suebsak Nanthavanij Junalux Chalidabhongse

A decision support system for designing effective noise hazard prevention (NHP) strategies is proposed. NHP consists of four modules: (a) database, (b) input, (c) algorithms, and (d) solution. The user can choose among single-, two-, and three-approach solution procedures. Heuristic and genetic algorithms are used to determine appropriate noise controls (NCs). From the given noise condition and...

Journal: :Вестник Российской академии наук 2019

Journal: :Journal of the Japan Society of Blood Transfusion 1994

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید