A、净化度高 B、吸收H<sub>2sub>S、CO<sub>2sub>的能力强 C、能选择性吸收H<sub>2sub>S、CO<sub>2sub> D、NHD溶剂有腐蚀性
A、净化度高 B、吸收H<sub>2sub>S、CO<sub>2sub>的能力强 C、能选择性吸收H<sub>2sub>S、CO<sub>2sub> D、NHD溶剂有腐蚀性
A、h<sub>ssub>〉0 B、h<sub>ssub>〈0 C、h<sub>ssub>〉0.8H<sub>0sub> D、h<sub>ssub>〉1H<sub>0sub>
A、H<sub>2sub>S+1/2O<sub>2sub>=1/2S<sub>2sub>+H<sub>2sub>S B、CH<sub>4sub>+2O<sub>2sub>=CO<sub>2sub>+2H<sub>2sub>O C、2H<sub>2sub>S+3O<sub>2sub>=2SO<sub>2sub>+2H<sub>2sub>O D、COS+H<sub>2sub>O=CO<sub>2sub>+H<sub>2sub>S
A、H<sub>2sub>S结构与H<sub>2sub>O相似 B、H<sub>2sub>S为极性分子,极性比水弱 C、常温常压下,H<sub>2sub>S为无色无毒气体 D、常温常压下,H<sub>2sub>S为臭鸡蛋气味气体
A、阈限值为硫化氢检测的一级报警值 B、H<sub>2sub>S的阈限值为10ppm C、H<sub>2sub>S的阈限值为20ppm D、H<sub>2sub>S的阈限值为30ppm E、10ppm等于15mg/m<sup>3sup>
A、P=g<sub>4sub>•S•L<sub>hsub> B、P=g<sub>5sub>•S•L<sub>hsub> C、P=g<sub>6sub>•S•L<sub>hsub> D、P=g<sub>1sub>•S•L<sub>hsub>
A、Δ<sub>rsub>H<sup>θsup><sub>m1sub>-Δ<sub>rsub>H<sup>θsup><sub>m2sub> B、2Δ<sub>rsub>H<sup>θsup><sub>m1sub>+Δ<sub>rsub>H<sup>θsup><sub>m2sub> C、2Δ<sub>rsub>H<sup>θsup><sub>m1sub>—Δ<sub>rsub>H<sup>θsup><sub>m2sub> D、Δ<sub>rsub>H<sup>θsup><sub>m1sub>+ 2Δ<sub>rsub>H<sup>θsup><sub>m2sub>
A、CS<sub>2sub>+H<sub>2sub>O→COS+H<sub>2sub>S B、CS<sub>2sub>+2H<sub>2sub>O→CO<sub>2sub>+2H<sub>2sub>S C、CS<sub>2sub>+H<sub>2sub>O→CO+H<sub>2sub>S D、2CS<sub>2sub>+H<sub>2sub>O→2COS+<sub>2sub>
A、H<sub>2sub>S<sub>2sub>O<sub>6sub> B、H<sub>2sub>SO<sub>4sub> C、H<sub>2sub>SO<sub>3sub> D、H<sub>2sub>S<sub>2sub>O<sub>7sub>
A、Δ<sub>rsub>H<sup>θsup><sub>msub>〉0 B、Δ<sub>rsub>H<sup>θsup><sub>msub>〈0 C、Δ<sub>rsub>S<sup>θsup><sub>msub>〈0 D、低温区