查询词典 catalysis

Second,α,β-unsaturated nitriles were synthesized by three kinds of methods., all the reactions of N-methylhydroxylamine, O-methylhydroxylamine, N-benzylhydroxylamine and O-benzylhydroxylamine withα,β-unsaturated nitriles were carried out, under different temperatures and different solvents. But no desired products were found, though some catalysis were also added.

在不同温度、不同溶剂的条件下，用所合成的α，β-不饱和腈与N-甲基羟胺、N-苄基羟胺、O-甲基羟胺和O-苄基羟胺分别进行反应，没有得到期望的产物，尝试加入了一些催化剂，也没有得到产物。

Uses in the paint, the printing ink, the varnished cloth coloration, the printing industrial used dye printing reserving agent, uses in the neutral cowhide glue in the matches industry the acidity, increases the gummy effect, the pharmaceutical industry serves as the adhesive plaster raw material, in addition also uses in the pigment zinc chrome yellow, the zinc acetate, the zinc carbonate, the zinc chloride and so on manufacture, the synthesis methyl alcohol catalyst, the synthetic ammonia sweetening agent, the glass and glazes the production, the pellet thin active zinc oxide (about particle size 0.1um) may serve as plastic and so on polyolefine and polyvinyl-chloride light stabilizers, the zinc oxide also uses in pressing, the photochemical catalysis, the electro-optic sensitively extremely, domains and so on coating, color television development.

用于油漆、油墨、漆布的着色，印染工业用的印花防染剂，在火柴工业中用于中和牛皮胶的酸性，增加胶粘效果，医药工业用作橡皮膏的原料，此外也用于颜料锌铬黄、醋酸锌、碳酸锌、氯化锌等的制造，合成甲醇的催化剂，合成氨的脱硫剂，玻璃和釉料生产，颗粒细的活性氧化锌（粒径0.1um左右）可用作聚烯烃和聚氯乙烯等塑料的光稳定剂，氧化锌也用于压敏、光催化、光电极、涂料、彩电显影等领域。

Methods The thyroid gland inspection was conducted with touch method, arsenic cerium catalysis spectrophotometric method was adopted to detect urine iodine, and the iodine salt determination was conducted by the direct titrimetric method.

甲状腺检查用触摸法，尿碘测定用砷饰催化分光光度法，碘盐测定用直接滴定法。

The composite molecular sieve with the pore advantage of the mesoporous material, the high acidity and high hydrothermal stability of microporous material has comprehensively applicational prospects in the fields such as petrochemical industry, adsorption separation, macromolecule shape selective catalysis, and so on.

复合分子筛同时具有介孔材料的孔道优势和微孔分子筛的强酸性及高水热稳定性，在石油化工、吸附分离、大分子择形催化等领域有广泛的应用前景。

And we established six new synthetic routes to nanostructured materials, such as (1) solvothermal element direct reaction,(2) organic solvent room-temperature conversion,(3) solvothermal co-reduction,(4) solvothermal self-reduction,(5) mid-temperature reduction-Pyrolysis-Catalysis,(6) hydrothermal chemical self-regulation, etc. Successfully synthesized over twenty kinds of semiconductor, InAs, InSb, diamond, CdS, ZnSe, CdSe, CdTe, HgSe, HgTe, ZnGa〓O〓 and so on.

建立了溶剂热元素直接反应、有机溶剂室温转化、溶剂热共还原、溶剂热自还原、中温热解催化合成、水热化学反应自控制等六种纳米材料合成新方法，成功地合成出InAs、InSb、金刚石、CdS、ZnSe、CdSe、CdTe、HgSe、HgTe、ZnGa〓O〓等二十余种半导体纳米材料。

Thus the self-heating and auto-catalysis of sample for HMX are stronger than those for RDX.

但由于试验条件的不同，所用测试方法的不同，获得的结果有很大的差别。

Electroless nickel plating is a chemical reaction in which metal atoms are deposited by self-catalysis at surface of the metal.

化学镀镍是通过金属表面的自催化还原沉积金属的一种化学反应。

The"self-catalysis mechanism"of crevice corrosion of titanium in hot acid NaCl solution is proposed according to the experimental results.

鉴于此，本文用微电极技术原位考察了热酸性氯化钠溶液中的钛缝隙腐蚀行为及其影响因素，提出了其机理。

Polyaspartic acid was synthesized by self-catalysis process with microwave using maleic anhydride and ammonium acetate as raw materials.

以马来酸酐和乙酸铵为原料，在微波条件下用自催化法合成了聚天冬氨酸。

Electroless nickel plating is a chemical reaction in which metal atoms aredeposited by self-catalysis at surface of the metal.

本文全面地研究了化学镀镍有关规律、特性以及实用价值，为发展、推广应用化学镀创造基础。

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。