Guards against the facture and the correlation stipulation based on the air pollution defines, the air pollutant may divide into four big projects, respectively be the gaseity pollutant (including sulfur oxide compound bucket carbon monoxide, nitrogen oxide compound, hydrocarbon, chlorine, gasified hydrogen, fluoride, chlorhydrocarbon and so on), the granular pollutant (including suspended particulate matter, golden bureau coal smoke, black smoke, acid fog, falls dust and so on), two pollutant (refers to pollutant to pass through photochemical reaction in air to have pollution again, including photochemistry fog, photochemistry high oxide compound and so on) and odor matter (including chlorine, hydrogen sulfide, curing methyl, sulfur alcohol type, methyl amines) and so on.

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It has been demonstrated that the methods are successfully used for QSRR studies of quinazoline derivatives, alkypyridine, haloid alkane, ketone, alcohol, sulfur alcohol compounds.

本文成功地用該方法對喹唑啉類、烷基吡啶化合物欧美精品亚洲精品日韩传电影、鹵代烴老女人性生活视频、醇、羰基化合物和硫醇化合物的結構保留關系進行了探討天堂av.com。

GC-MS analysis suggests that the second part contains phenol sour and sulfur alcohol, which best suits further purification and identification.

GC-MS分析表明欧美视频a，鴨糞的抑菌物質主要為酚酸類和含硫醇有機物質，進一步純化和鑒定有待研究91黄色视频在线免费在线观看。