• 活性吸附采集大气中的苯系物,甲烷替代硫化作为脱附毛细管气相色谱分离分析

    BTEX in air were adsorbed by active carbon tube, replaced carbon bisulfide by dichloromethane as reagent, analyzed by using Capillary GC-FID.

    youdao

  • 采用GDX-402多孔微球吸附剂硫化脱附剂研究水中痕量类化合物富集条件

    In this work, by using GDX-402 porous polymer beads as adsorbent and carbon disulfide as eluent, the conditions for enriching trace chlorobenzene compounds in water were investigated.

    youdao

  • 碱性条件下,氨基乙酸硫化甲酸反应合成了异硫氰基乙酸乙酯,收率4 8。

    Isothiocyanatoacetate ester is synthesized by the reaction of aminoacetic acid with carbon disulfide and ethyl chloroformate in the presence of an alkali with the overall yield of 48.

    youdao

  • 一种清除口香糖残渣的清除硫化甲烷、乙酸乙酯、司班-80、环己酮及十烷基磺酸钠组成。

    The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.

    youdao

  • 一种清除口香糖残渣的清除硫化甲烷、乙酸乙酯、司班-80、环己酮及十烷基磺酸钠组成。

    The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定