查询词典 alkali metal
- 与 alkali metal 相关的网络例句 [注:此内容来源于网络,仅供参考]
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At the same time, the importance of donor atoms pertaining to the side chain in the complexation reaction of three lariat azacrown ethers with alkali metal ions has been analyzed through the Fukui function.
同时,利用福井函数,对侧臂在氮基臂式冠醚与碱金属配位过程中的重要性进行了分析,结果表明氮基臂式冠醚的侧臂上供电子原子对整个冠醚分子与金属配位过程中有着十分重要的作用。
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The coordination effect between lariat crown ether and lariat azacrown ether with alkali metal ions has been analyzed and compared according to the obtained parameters.
运用得到的量子化学计算参数,如前线轨道HOMO能级,LUMO能级等,对碳基臂式冠醚与氮基臂式冠醚与碱金属离子的配位能力进行了比较和分析,结果表明氮基臂式冠醚分子B对碱金属的配位能力要大于碳基臂式冠醚分子A。
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A process for preparing the olefine sulfide includes addition reaction between sulfur monochloride and C3-C12 olefine under existance of low-carbon alcohol as catalyst to obtain addition compound, mixing it with C1-C15 haloalkane, sulfide of alkali metal, sulfur powder, and aqueous solution of emtrol, sulfurizing, dechlorinating, and refining.
一种硫化烯烃的制备方法,包括:(1)使一氯化硫和C 3 ~C 12 烯烃在低碳醇催化剂的存在下进行加合反应,生成加合物;(2)将(1)步的加合物与C 1 ~C 15 卤代烷、碱金属硫化物、硫磺粉、脂肪醇水溶液混合,进行硫化脱氯反应后,精制处理,得到硫化烯烃产品。
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In the second part (chapter 5) results of the K-promoted oxidation of GaAs (110) surface by photoemission are reported, the status and reaction of oxygen, the influence of alkali-metal coverage and oxygen exposure on adsorption kinetics are discussed.
第二部分是利用光电子能谱研究了K/GaAs(110)表面的催化氧化过程。目的是研究不同碱金属覆盖度对氧气在表面的吸附动力学的影响,不同氧气暴露量下氧的状态及氧化过程中涉及到的反应。
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Unsaturated alkynyl alcohols, such as dehydronerolidol, dehydrogeranyllinalool, and dehydroisophytol, were prepared by ethynylation of turpentine derivatives, namely terpenylacetones, e. g. geranylacetone, farnesylacetone, and phyton under normal pressure in presence of alkali metal hydroxide and organic solvents.
松节油衍生物格萜烯基丙酮,如香叶基丙酮、金合欢基丙酮和植物酮在常压条件,碱金属氢氧化物和有机溶剂存在下可发生乙炔化反应,形成对应的α,β-不饱和炔醇化合物脱氢橙花叔醇、脱氢香叶基芳樟醇和脱氢异植物醇。
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In recent years, salt-mixed solvent system has become a very important system. And with the development of studies on rare alkali metal rubidium and cesium, it is significant to study the rubidium / cesium salt-mixed solvent system.
近年来,盐—混合溶剂已构成了一类重要的体系,且随着对重稀碱金属铷、铯的了解,人们发现研究铷、铯盐—混合溶剂体系有着极其重要的意义。
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Alkali metal ions were determined with tartaric acid as mobile phase.
二者比较,后者具有可选择多种流动相的特点,为充分发挥色谱的分离
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Such derivatives are prepared by reacting a kaolin group mineral with a reagent, such as, an alkali metal halide or an ammonium halide which converts the majority of the octahedrally coordinated aluminum in the kaolin group mineral to tetrahedrally coordinated aluminum.
这种衍生物是通过将高岭族矿物与一种试剂,例如一种碱金属卤化物或一种卤化铵进行反应,从而将高岭族矿物中的大部分六配位铝转化为四配位铝而制备的。
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Oxidative coupling ,and synergistic combination with ashless thiocarbamate,zinc thiocarbamate,sulfur and phosphorusfree molybdate,non-active organic borate and organic alkali metal salt.
文章介绍了几种提高胺类抗氧剂抗氧化能力行之有效的方法:氧化偶合以及与硫代氨基甲酸酯、硫代氨基甲酸锌、非活性钼酸酯、非活性硼酸酯和碱金属盐添加剂协同。
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The immediate products of this reaction are alkali-metal derivatives of the dialkyl phenylmalonates.
此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。