搜索结果: 1-5 共查到“环境科学技术 Direct”相关记录5条 . 查询时间(0.156 秒)
Direct Cadmium Monitoring in Cigarette Filters Leachate by Molecular Fluorescence
Cadmium Traces SPADNS Rhodamine B Molecular Fluorescence Cigarette Filters Leachate
2013/3/11
This work proposes a new direct flourimetric methodology for cadmium traces quantification based on its association with azo-reagent SPADNS and rhodamine B dye. Experimental variables that influence o...
Evaluation of Aerosol Particle Size at High Polluted Region in the World Using Direct Solar Radiation Measurements: Helwan as a Case Region
Aerosol optical depth particle size direct solar irradiance spectral region scattered light
2010/12/22
The estimation of the air aerosol number concentration variation was carried out in this study making use of data obtained from the Helwan, Egypt. The aerosol number concentration was determined indir...
Environmental Pollution Assessment of Different Diesel Injector Location Of Direct-Injection Diesel Engines: Theoretical Study
Diesel engine emissions variable injector location simulation of diesel engine
2008/12/26
An Analytical investigation on the effect of injector location of a four-stroke DI diesel engine on its pollutants’ emissions was carried out under different injector locations ranging from central to...
Direct Conversion of Methane into Methanol and Formaldehyde in an RF Plasma Environment II: Effects of Experimental Parameters
Methane methanol formaldehyde radio-frequency plasma
2016/3/30
To provide information on the conversion of methane in a non-catalyzed radio-frequency (RF) plasma
system into valuable chemicals, such as HCHO, CH3OH, C2H6, C2H4 and C2H2, an experiment was
conduct...
Direct Conversion of Methane into Methanol and Formaldehyde in an RF Plasma Environment I: A Preliminary Study
Methane methanol formaldehyde radio-frequency plasma
2016/3/30
The direct conversion of methane (CH4) into methanol (CH3OH) and HCHO in an Argon (Ar) 50W
radio-frequency plasma system was applied and the effects of various feed compositions, CH4/O2 ratio,
and p...