查询词典 synthesis

The preparation method comprises monomer synthesis and polymer synthesis. The polymer synthesis is that cyclopentadienyl sodium monomer is added into metallic cobalt complex-triphenyl phosphorus cobalt chloride under strict oxygen-free and water-free conditions, and then double inner alkyne or outer alkyne conjugate monomer is added in, and after reaction, the precipitation, filtering, abstersion and vacuum-drying are carried out, the large molecules polymer containing cyclopentadienyl cobaltocenium organometallic cobalt is obtained.

制备方法，包括单体合成和聚合物的合成，聚合物的合成是在严格无氧无水条件下，在金属钴配合物三-三苯基磷氯化钴，加入环戊二烯钠单体，随后加入双内炔或双外炔共轭单体，反应后沉淀，过滤，洗涤，真空干燥，得到含环戊二烯茂钴有机金属钴的大分子聚合物。

In this paper, through a series of experiments, two series of quaternary-ammounium Gemini surfactants were synthesized, namely the pair alkylene double quaternary ammonium salt surfactant m-s-m·2Br and the pair the alkylene double quaternary ammonium salt surfactant -s-·2Br. We has carried on the attribute with the infrared spectrum to its structure, and to affected the factor which the synthesis pair the alkylene double quaternary ammonium salt surfactant responded to carry on the discussion. We has discovered the synthesis pair the ethylene double quaternary ammonium salt surfactant m-2-m·2Br optimum condition: The bromo alkane and a tetramethyl ethylene diamine mole of ratio is 3.0: 1.0, makes the solvent by the ethyl alcohol, 80℃ under responds for 48 hours in the backflow temperature; Synthesis pair alkylene double quaternary ammonium salt surfactant 12-S-12 ·2Br optimum condition: 12 tertiary amine and 1, 3- propylene dibromide (1, 4- two bromines butane) a mole of ratio is 2.2: 1.0, makes the solvent by the ethyl alcohol, responds for 48 hours in the constant temperature 80 ℃ under backflow.

本文通过一系列的实验，合成了两个系列的Gemini型表面活性剂，即双烷撑双季铵盐表面活性剂m-s-m·2Br和双烷撑双季铵盐表面活性剂-s-·2Br，用红外光谱对其结构进行了表征，并且对影响合成双烷撑双季铵盐表面活性剂反应的因素进行了讨论，找出了合成双乙撑双季铵盐表面活性剂m-2-m·2Br的最佳条件：溴代烷与四甲基乙二胺的摩尔比为3.0：1.0，以乙醇作溶剂，在回流温度80℃下反应48小时；合成双烷撑双季铵盐表面活性剂12-s-12·2Br的最佳条件：十二叔胺与1，3-二溴丙烷(1，4-二溴丁烷)摩尔比为2.2：1.0，以乙醇作溶剂，在恒温80℃下回流反应48小时。

On the basis of the introduction and analysis of the history, current situation and development of explosive synthesis of superhard materials, the mechanism and technology of diamond and dense boron nitride synthesis by shock compression and some explosive mechanics problem in explosive synthesis have been studied systematically in this research.

本文在对超硬材料爆炸合成研究的历史、现状及发展趋势进行评介、总结与分析的基础上，以金刚石、高密相氮化硼为研究对象，对爆炸合成理论与技术，以及爆炸合成中所涉及的一些爆炸力学理论问题进行了较为系统的研究。其主要研究成果如下

In my works , synthesis of the Jesus and the machine emphasize on the relationship of Mind body and religion ; synthesis of infant and machine means training mind will bring new birth and hope; the last synthesis through human figure and animal machine express that the mind want to shake off the yoke of the body that take along with the brutalism.

其中，耶稣与机器的结合着眼于这种身心状态与宗教的关系，而婴儿与机器的结合强调内心修炼将会带来人的新生和希望，野兽机器与人的结合则把灵魂隐喻为欲挣脱身体枷锁的人，而野兽机器则代表我们的身体和身体本身携带的兽性。

The study on soluble protein after eclosion when cantharidin synthesis is active in Mylabris calida Palla would help to clarify the synthesis mechanism of cantharidin and involved enzymes of the synthesis.

研究斑蝥素大量合成期的芫菁体内可溶性蛋白，有助于阐明斑蝥素合成相关酶蛋白的种类和合成机理。

Its commercial technologic processes and products,such as Acetic Acid Production by Carbonylation of Methanol,Formyl Morpholine,Steam Reforming Catalyst,Low Pressure Methanol Synthesis,Dimethyl Formamide Production by Dehydrogenation of Methanol,Dimethyl Ether Synthesis by Methanol Dehydration,Hydrogen Production by Methanol Cracking,Methanol Synthesis Catalyst,PSA Gas Separation Devices, and etc.,have been applied in more than 800 plants over fields including chemical industry,petrochemical,food, metallurgy,machinery,military industry.Many technological products were exported to American,European,Asian countries as well as Hong Kong,Macao and Taiwan.Remarkable economic and social benefits are achieved.

甲醇羰基化合成醋酸，甲酰吗啉，转化催化剂，低压合成甲醇，甲醇脱氢制二甲基甲酰胺，甲醇脱水制二甲醚，甲醇裂解制氢，合成甲醇催化剂，变压吸附制氢等成套工业装置和产品应用于全国800多家化工，石化，食品，冶金，机械，军工等企业，并出口美国，欧州，亚州等国及港，澳，台地区。

It was known that pyridine and Triton-x100 had a bad effect on the cell growth and lycopene production were studied. The results indicated that pyridine and triton-x100 inhibited cell growth and lycopene synthesis;β-ionone increased cell growth and lycopene synthesis when the concentration was 0.05 ml/L, but when the concentration became higher, there would be a decrease on the lycopene output; span-20 increased cell growth and lycopene synthesis effectively when the concentration reached 2.0ml/L, and the lycopene yield became 2.4×10~(-2) mg/L which was 3-fold than control.

研究了培养基中加入不同浓度的小分子效应物吡啶、Triton-x100、Span-20、β-紫罗酮、异烟肼对番茄红素产量的提高作用，结果显示培养基中加入很低浓度的吡啶(0.1ml／L)就会对菌体产生很强的毒害作用；triton-x100对类胡萝卜素的合成也有很强的抑制作用，试验的浓度为0.2ml／L到5ml／L，结果发现它对菌体的生长和番茄红素的合成都有抑制作用；β-紫罗酮在浓度为0.05ml／L时有很小的促进作用，而浓度升高就有了比较强的抑制效果；span-20在液体培养基中的加量为2.0ml／L时，对番茄红素的合成有很强的促进效果，产量达到了2.4×10~(-2)mg／L，比原始菌株产量提高了2倍，而浓度进一步增大就产生了很强的抑制效果。

The present thesis adopts Iseult Honohan's six basic elements of republicanism as a theoretical framework for the study of Jefferson's conception of republicanism, which is the theoretical basis of his conception of the ward system:(1) Jefferson's conception of virtue, characterized by his optimism about the universality of the moral sense and the people's capacity of self-government;(2) Jefferson's conception of freedom, characterized by his synthesis of both negative liberty and positive liberty;(3) Jefferson's criterion of the republican government and the scope of the republic, characterized by his synthesis of both participation and representation;(4) Jefferson's conception of the shaping of republican citizens, characterized by the synthesis of school education and active participation in public affairs;(5) Jefferson's conception of the material preconditions of the republic, characterized by his primary concern for the economic independence and political freedom of both the individual and the nation.

杰斐逊的共和主义思想是他的分区制度构想的理论基础。论文首先采用Iseult Honohan 的"共和主义基本要素"作为理论框架，从以下五个方面对杰斐逊的共和主义思想进行研究：(1)道德观，主要特点体现为对道德意识的普遍性和人民的自治能力持乐观态度；(2)自由观，主要特点体现为消极自由与积极自由相结合；(3)共和政府的标准以及共和国的范围，主要特点体现为人民直接参政与代议制相结合；(4)塑造共和公民，主要特点体现为学校教育与积极参与公共事务相结合；(5)共和国的经济基础，主要特点体现为对个人与国家的经济独立与政治自由的关注。

This paper reviewed the recent development of synthesis of propyl lactide,discussed the effects of different synthesis techniques and various catalyst system s for the preparation of propyi lactide on the yield and discussed the prospect of propyl lactide synthesis.

介绍了丙交酯合成研究的最新进展，比较了不同催化体系和不同合成工艺对丙交酯收率的影响，并对丙交酯合成的发展前景进行了展望。

Study on the synthesis of the antistatic agents of didodecyl phosphate and its salts ——The synthesis and technology optimization of didodecyl phosphoryl chloride;2. The synthesis of didodecyl phosphate and its salts by the reaction of 1-dodecanol with phosphorus oxychloride was studied.

研究了以三氯氧磷与月桂醇为原料合成磷酸二月桂酯(C12-DAP)及其盐的工艺条件，考察了反应温度、反应时间和物料配比等因素对酯化反应与水解反应进程的影响，通过优化实验方法，选择了适宜的合成工艺条件。

You can get the best service in the first-class cabin, but you pay for it.

在头等舱可以得到最好的服务，但那是你付钱买来的。

It will make the characters of ethnical and local culture eliminated. On the other hand, this tendency stimulates the arousal of the selfconsciousness of ethnical and local culture. The selfconsciousness comes from the recognition, that is the global culture be a combination of kinds of local culture, not a one kind of culture.

民族和地区&的概念从来就是与&全球的概念相伴的，人类文化的全球化趋势同时也促进了民族性和地区性文化意志的勃兴和加强，它们构成了多种文化并存的全球文化体系中的有机组成部分。