We determine poly nuclear hydrocarbons in TBHQ by ultra-violet absorption spectrometry, and do som e improvements for the FFC to develop a convenient and exact way to determine th e polynuclear hydrocarbons in TBHQ.
我们使用紫外吸光光度法对TBHQ中的多环烃进行了测定,并结合实际情况对FCC中所使用的方法做出了改进,得到了一个方便、准确的测定方法。
Analysis and Design of the Spurs in the Multiple-loop Small Step Size Synthesizer;
多环小步进频综杂散分析与设计
A review on distribution and risks of pollution from polycyclic aromatic hydrocarbons(PAHs) in China;
我国环境介质中多环芳烃的分布及其生态风险
Many toxicology studies particularly in the discipline of aquatic toxicology indicated that the toxicity of polycyclic aromatic hydrocarbons(PAHs) was enhanced in the presence of solar ultraviolet radiation.
许多生态毒理学研究尤其是对水生生物的毒性研究表明,阳光中的紫外辐射(UV)能够促进多环芳烃的生物毒性。
Experiments were conducted to investigate the formation of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans(PCDDs/Fs) from polycyclic aromatic hydrocarbons(PAHs) catalyzed by model fly ash.
为了找出多环芳烃生成二噁英的反应途径,选取了多环芳烃中具有代表性、和二噁英结构比较类似的芴作为多环芳烃的模型化合物,以氯化铜和石英砂作为模拟飞灰的基本成分,比较添加氯化铁、氧化铜或者在气氛中添加氯气对二噁英生成的作用。
The reciprocating multi-circle distribution was tested and got success since November of 1999 on No.
宣钢８＃高炉炉顶为无钟炉顶，从１９９９年１１月进行往复式多环布料试验并获得成功，配合各种制度调剂，使料柱透气性改善，煤气利用提高，降低了焦比，维护了炉型。
Research on the removal efficiency of PAHs in aqueous solutions by fenton reagent;
Fenton试剂对水体中多环芳烃(PAHs)污染物的去除效果研究
Studies on PAHs in aerosol of E’erduosi City.;
内蒙古鄂尔多斯市大气气溶胶中的多环芳烃
Emission factors of PAHs from rice straw burning.;
稻草焚烧产生的多环芳烃排放特征研究
Removal of trace polycyclic aromatic hydrocarbons in natural tocopherol;
天然生育酚中痕量多环芳烃脱除工艺的研究
Research advance of extraction,purification and determination of polycyclic aromatic hydrocarbons in foods;
食品中多环芳烃的提取、纯化、以及检测方法的研究进展
Composition and distribution characteristics of polycyclic aromatic hydrocarbons in waters samples from a coal-mining area,Henan,China;
煤矿区水环境中多环芳烃污染物的组成与分布