氯苯丁酯
- 与 氯苯丁酯 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Results: Using of handy infrared gas spectrometer, the ammonia, sulphur dioxide, acetone, butanone, ethyl acetate, chloroform, benzene, toluene, methyl alcohol, ethyl alcohol, isopropanol, and other harmful gases can be carried out quickly Online Testing. The arsine, hydrogen chloride, hydrogen cyanide, hydrogen sulfide can not be detected online.
结果:可利用便携式红外气体分析仪对氨、二氧化硫、丙酮、丁酮、乙酸乙酯、氯仿、苯、甲苯、甲醇、乙醇、异丙醇等有害气体可进行快速的在线检测,不能对砷化氢、氯化氢、氰化氢、硫化氢进行快速在线检测。
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To assess the sensitivity of local species to toxic chemicals relative to those from other jurisdictions reported in the literature, ecotoxicological testing was also performed on three local marine species, Dunaliella salina, Brachionus plicatilis, and Lutjanus malabaricus, using 12 representative PPTSL chemicals including metals, pesticides (endosulfan, diazinon, permethrin, atrazine, tributyltin), and industrial chemicals (di-n-octyl phthalate, nonylphenol, acenaphthene).
为了评估与其他相关成文规定的当地有毒化学品种类,生态毒性测试也在三个地方的海洋物种上进行,杜氏盐藻,轮虫和红鳍笛石斑鱼,使用了十二种pptsl代表的化学元素,包括金属,杀虫剂(硫丹,二嗪磷,氯菊酯,莠去津,三丁基锡),和工业化学品(苯二甲酸二正辛酯,壬基酚,苊)。
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Bezaldehyde was used as protective agent in first method.S-Epichloeohydrin was aminated and acidulated to give(2S)-1-Amino-3-chloro-propanol Salts.The acetylation of (2S)-1-Amino-3-chloro-propanol by acetic anhydride produced the intermediate-N-[2--3-chloropropyl]acetamide.And then at 20℃,in the presence of lithium tert-butoxide,benzyl 3-fluoro-4-morpholinophenyl carbamate react with-N-[2--3-chloropropyl]acetamide to give linezolid in total yield of 43.6%.
路线一采用苯甲醛作保护剂,使S-环氧氯丙烷氨解、酸化生成S-1-氨基-3-氯-2-丙醇盐酸盐,然后经乙酰化反应后,生成中间体-N-[2-乙酰氧基-3-氯丙基]乙酰胺,再用N-(3-氟-4-吗啉苯基)氨基甲酸苄酯和中间体在催化剂叔丁醇锂存在下25℃反应生成利奈唑酮,总产率达到43.6%。
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At last, the effective approach was found that the 024-antibiotic can be purified by freez-dry, methyl alcohol soaking, acetone, chloroform, and methyl alcohol continuously washing, alumina and silica gel column chromatography.
粗提制品的理化性质研究表明,024放线菌所产抗生素为无色晶体,易溶于水,可溶于甲醇和乙醇,且在甲醇中的溶解度较大,不溶或难溶于丙酮、氯仿、正丁醇、乙酸乙酯与苯。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。