二次乙基
- 与 二次乙基 相关的网络例句 [注：此内容来源于网络，仅供参考]
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This article introduces manufacturing methods of taurine by means of sodium hydroxyethyl sulfonate ammonolysis acidification .
研究了羟乙基磺酸钠氨解酸化法生产牛磺酸的工艺，对其中的高压氨解反应过程采用二次回归正交设计实验方法进行了优化。
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Company will be completed and put into production new products flame-retardant materials CEPPA 2 - carboxy-phenyl ethyl phenyl DCPP Hypophosphorous and phosphorus dichloride.
公司即将建成并投产的新产品阻燃材料CEPPA 2-羧乙基苯基次磷酸及DCPP苯基二氯化磷。
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The pure isomers 3-(1-hydroxyethyl)-8-vinyldeuteroporphyrin Ⅸ and 3-vinyl-8-(1-hydroxyethyl)deuteroporphyrin Ⅸ were obtained from protoporphyrin Ⅸ dimethyl ester.Starting from these two acetylating compounds,eight new porphyrin derivatives were synthesized through an alkyloxy fission reaction.
以原卟啉Ⅸ二甲酯为起始原料，合成并分离得到3-(1-羟乙基)-8-乙烯基次卟啉Ⅸ（Ⅱ1）和3-乙烯基-8-(1-羟乙基)次卟啉Ⅸ（Ⅱ2）二个异构体，两者分别经酰化后与醇进行烷氧裂解反应合成了8个全新的卟啉衍生物。
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Poly/montmorillonite/2-Carboxyethyl phosphinic acid (PET/MMT/CEPP) nanocomposites were prepared through direct-esterification process by adding reactive flame retardant before esterification, and organic MMT was added before polycondensation.
采用直接酯化法，将共聚型阻燃剂羧乙基苯基次磷酸和对苯二甲酸以及乙二醇混合后酯化，在酯化产物中加入经过有机改性的蒙脱土，缩聚制备了阻燃聚酯／蒙脱土纳米复合材料(PET/MMT/CEPP)。
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Divinylpyridine-9,9′-diethylfluorene nanoparticles were prepared by reprecipitation method.
利用二次沉淀法制备出不同粒径(101.6~516.9nm)的2，7-二乙烯吡啶基-9，9′-二乙基芴有机纳米微粒。
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In the presence of the phase transfer catalysts such as tetramethylammonium bromide, tetraethylammonium bromide or polyethylene glycol(MW 400 and 6,000),lithium hydroxide is the best alkali among lithium hydroxide ,sodium hydroxide and potassium hydroxide.
研究表明在溴化四甲基铵、溴化四乙基铵、聚乙二醇（分子量为6，000）和聚乙二醇（分子量为400）相转移催化体系中，氢氧化锂最好，氢氧化钾次之，氢氧化钠最次。
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Experiments with CrO(superscript 2- subscript 4) as target molecules, and triethyl 12-mercsptododecylammonium immobilized on a microcantilver as the detection probe, were conducted on an atomic force microscope.
以表面修饰了三乙基氢硫基十二基铵层的微悬臂梁为传感元件，以CrO(上标 2-下标 4)为被测物，在原子力显微镜上检测了敏感层吸附CrO(上标 2-下标 4)前后微悬臂梁的5次、6次、7次和8次谐振频率的变化。
- 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。