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- tetraphenyl ethylene 四苯乙烯
- Ethylene is a growth hormone in plants. 乙烯是植物中一种生长荷尔蒙。
- The concentration of ethylene is on the high side. 乙烯浓度偏高。
- First statement: Ethylene glycol is sweet. 第一句:甘醇是甜的。
- Na5 Ethylene Diamine Tetra (Methylene Phos... 摘要:乙二胺四甲叉膦酸五钠 EDTMP?
- The univalent chemical radical CH2CH,derived from ethylene. 乙烯基从乙烯分子中得到的一价化学基
- The plant can produce up to 130 tons of ethylene each month. 这家工厂每月最高能生产一百三十吨的乙烯。
- Occluded spores could not be inactivated with ethylene oxide. 封闭的孢子不能被环氧乙烷灭活。
- The univalent chemical radical CH2CH, derived from ethylene. 乙烯基从乙烯分子中得到的一价化学基CH2CH
- Such reactions to ethylene are consistent with ancient reports. 这些乙烯导致的反应和古人的报告一致。
- Part 2 : particular systems for use in ethylene oxide sterilizers. 英文标题: Biological systems for testing sterilizers and sterilization processes.
- The manufacturing scheduling of ethylene device was 1997 0. 5Mt. 1997年乙烯装置的生产计划安排为0.5Mt。
- A substance, often a liquid such as ethylene glycol or alcohol, mixed with another liquid to lower its freezing point. 防冻剂,防冻液,抗凝剂一种物质,通常是液体,如乙二醇或酒精,和另一种液体混合来降低冰点
- MNDO calculations and group theory were carried out on tetraphenyl porphyrine(TPP) to obtain its optimum molecular geometry. 运用MNDO计算和群论,优化得到了较满意的中位取代四苯基卟啉(H2TPP)的分子构型。
- Newly built and expanded ethylene equipment will add output by 4 million tons. 新建或扩建400万吨的乙烯生产规模。
- Summary of the Initial Startup of Ethylene Plant in BASF - YPC Company Ltd. 扬巴乙烯装置首次开车总结。
- Jaffe found that when rubbed plants give off increased amounts of ethylene. 贾菲发现,当搓揉植株时,植物放出的乙烯数量就增加。
- METHODS To identify the component of prescription,absorption spectrometry and method of tetraphenyl boron sodium to quantitative analysis the active component were used. 方法对处方成分进行定性鉴别,采取紫外分光光度法、四苯硼钠法对有效成分进行定量分析。
- Plasma-polymerization of ethylene gives films of complex, uncertain structure. 乙烯的等离子聚合得到复杂的,无固定结构的薄膜。
- An investigation is also made on determining DMDAAC qualitatively by bromophenol blue test and quantitatively by tetraphenyl boron sodium precipitation reac... 用溴酚蓝对DMDAAC进行定性分析,用四苯硼酸钠及折光率法进行定量分析的方法进行了探讨。