郎帅

这个人很懒,什么都没写

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  • 分类:社会科学总论 格式:PDF 积分:0 上传者:郎帅 上传时间:2018-01-26

    摘要:The forming of hermetic seals suitable for sealing materials having dissimilar thermal expansions which are ...

  • 分类:社会科学总论 格式:PDF 积分:0 上传者:郎帅 上传时间:2018-01-26

    摘要:The present invention is an improved process for the recovery of bitumen from tar sand by employing a vessel...

  • 分类:社会科学总论 格式:PDF 积分:0 上传者:郎帅 上传时间:2018-01-26

    摘要:Tetrabromoethylene is produced by oxybrominating butane with free oxygen and bromine. The reaction is conduc...

  • 分类:社会科学总论 格式:PDF 积分:0 上传者:郎帅 上传时间:2018-01-26

    摘要:An azeotropic composition made up of from about 58 to about 77% by weight of dimethoxymethane and from about...

  • 分类:社会科学总论 格式:PDF 积分:0 上传者:郎帅 上传时间:2018-01-25

    摘要:At low temperature, the protease of human cytomegalovirus (HCMV) is rendered highly active as a dimer of ide...

  • 分类:社会科学总论 格式:PDF 积分:0 上传者:郎帅 上传时间:2018-01-25

    摘要:An improved method for the synthesis of low molecular weight polyaniline provides for heating a para-haloani...

  • 分类:社会科学总论 格式:PDF 积分:0 上传者:郎帅 上传时间:2018-01-25

    摘要:Ethylenically unsaturated monomers are protected from premature polymerization during manufacture and storag...

  • 分类:社会科学总论 格式:PDF 积分:0 上传者:郎帅 上传时间:2018-01-25

    摘要:A series of isotopically-labeled fluorenamine, dibenzofuranamine, and dibenzothiophenamine derivatives usefu...

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