查询词典 chlorides

In order to solve the problem, CaO and MgO are added to the chlorides to reduce the acidness.

因此，本文采用试验方法在卤化物中添加CaO和MgO后测定其吸湿、保水和中和酸性效果等，以便拓宽其应用领域。

Ce2(SO4)3 was used as an inexpensive and effective catalyst for the Friedel-Crafts alkylation of aromatic compounds with benzyl alcohol s, allyl alcohols and benzyl chlorides.

硫酸亚铈作为一种便宜的和有效的催化剂催化芳香化合物与苄基醇、烯丙醇类化合物和苄基氯的傅-克烷基化反应。

Ce2(SO4)3 was used as an inexpensive and effective catalyst for the Friedel-Crafts alkylation of aromatic compounds with benzyl alcohols, allyl alcohol s and benzyl chlorides.

硫酸亚铈作为一种便宜的和有效的催化剂催化芳香化合物与苄基醇、烯丙醇类化合物和苄基氯的傅-克烷基化反应。

Methods The three-dimensional fluorescence excitation and emission spectra of the 1×10^(-4)mol/L^(-1)Pr chlorides complex with benzimidazole were measured by the Xe lamp.

在氙灯的激发下，测量了浓度为1×10^(-4)mol/L氯化苯并咪唑镨配合物水溶液的三维荧光激发和发射光谱，并讨论了该配合物的升频转换荧光现象及其机制。

Additionally, on account of unstable properties of sulfonyl chlorides in MS and 1H NMR analyses, a new analytical method using stable sulfonamide is put forward to testify the molecular structures of sulfonyl chlorides indirectly.

此外，鉴于磺酰氯在质谱与核磁分析中的不稳定性，以稳定的磺酰胺分析代替直接的磺酰氯分析，间接地证明了磺酰氯的分子结构。

The Wien effects of three variable charge soils (red soil, lateritic red soil and latosol) saturated with various chlorides in electric field were different. The relative electrical conductivities of red soil saturated with various chlorides increased apparently with the increase in field strength, whereas that of latosol were almost equal to 1 in the test field strength (15 kV cm-1 to 250 kV cm-1), the increase of △EC in lateritic red soil were between that of red soil and latosol.

各氯化物饱和红壤悬液的相对电导率随着场强的增加而明显增大，且不同的氯化物饱和悬液的△EC之间差异明显；砖红壤悬液的△EC随着场强的增加没有出现变化，在所测场强下（15 kV cm -1到250 kV cm -1）各悬液的△EC都几乎为1；而赤红壤悬液中的现象处于前两者之间。

The Wien effects of three variable charge soils (red soil, lateritic red soil and latosol) saturated with various chlorides in electric field were different. The relative electrical conductivities of red soil saturated with various chlorides increased apparently with the increase in field strength, whereas that of latosol were almost equal to 1 in the test field strength (15 kV cm-1 to 250 kV cm-1), the increase of △EC in lateritic red soil were between that of red soil and latosol.

各氯化物饱和红壤悬液的相对电导率随著场强的增加而明显增大，且不同的氯化物饱和悬液的△EC之间差异明显；砖红壤悬液的△EC随著场强的增加没有出现变化，在所测场强下（15 kV cm -1到250 kV cm -1）各悬液的△EC都几乎为1；而赤红壤悬液中的现象处于前两者之间。

All the ligands and complexes have been characterized with ~1H-NMR, MS and EA.X-Ray single crystal diffraction reveals that zirconium complex containing the tert-butyl substituted N_2O_2 ligand is an oxo- and hydroxyl-bridged dinuclear structure, which is possibly formed by partial hydrolysis of chlorides at one of the zirconium centers. A tetranuclear zirconium complex has been obtained and chacaterized, which is formed by complete hydrolysis of the chlorides at the zirconium centers.

通过研究配合物的单晶结构，我们发现叔丁基取代的不对称N_2O_2配体与ZrCl_4反应生成的锆配合物为氧桥和羟基桥连接的双核锆配合物，中间过程涉及单核锆配合物中氯原子部分水解，并得到氯原子部分水解的双核锆配合物和全部水(来源：8e6eAB67C论文网www.abclunwen.com)解的四核锆配合物的晶体结构，在晶体培养过程中发现双核锆配合物能够以手性自发拆分结晶析出。

The scale structure is affected by the Gibbs free energy of chlorides、concentrate of alloy elements and vapor pressures of chlorides.

氯化物的生成自由能、合金元素的浓度和氯化物的蒸气压影响腐蚀膜结构。

The coupling reaction of aryl iodides, bromides and chlorides with differentolefins catalyzed by catalyst 2 and 4 was studied. It was found that compounds 2 and 4 anchored on active carbon are efficient catalyst for the Heck reaction in the case of aryl bromides and aryl chlorides as substrates (Scheme 3). It is notable that catalyst 4 has higher efficiency for aryl chlorides.___^H Cat.2 or 4, Base HXSolution, 100C or 140

以化合物2和4为代表，重点研究了活性炭负载的二茂铁亚胺环钯化合物催化碘代苯、溴代苯和氯代苯与活泼烯烃之间的偶联反应(Scheme 3)，发现活性炭负载的二茂铁亚胺环钯化合物2和4均可用于催化多种溴代和氯

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。

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。