1.A survey of the health condition of 308 cases of workers exposed to benzene, toluene, xylol and mixed derivatives of benzene is presented.

本文報(bào)告了308例苯、甲苯、二甲苯及混合苯作業(yè)工人的健康狀況調(diào)查結(jié)果。

2.A survey of the health condition of 308 cases of workers exposed to benzene, toluene, xylol and mixed derivatives of benzene is presented.

本文報(bào)告了308例苯、甲苯、二甲苯及混合苯作業(yè)工人的健康狀況調(diào)查結(jié)果。

3.Diarylethane was synthesized continuously from a mixture of styrene and xylol with synthetic SiO_2-Al_2O_3 as catalyst.

苯乙烯和混合二甲苯的混合物，在合成硅鋁酸催化劑存在下連續(xù)合成二芳基乙烷。

4.The Mass transfer rate for the Oxidation of xylol in air by a monolithic Catalyst was experimentally determined.

實(shí)驗(yàn)測(cè)定了在蜂窩型催化劑上氧化空氣中二甲苯的傳質(zhì)速度。