查询词典 carbonate

Alcoholysis of urea is considered to be a novel and promising process in synthesis propylene carbonate, and the transesterification process to synthesize diphenyl carbonate is also payed much attention.

尿素醇解法合成碳酸丙烯酯是目前较为新颖和有前途的合成方法，而酯交换法合成碳酸二苯酯一值受到人们的关注。

A photoresist composition including a polymer is disclosed, wherein the polymer includes at least one monomer having the formula: wherein, R1 is selected from H, linear, branched or circular alkyl with 1-20 carton atoms, linear, branched or circular alkyl with 1-20 C atom, which is perfluorinated or semi-perfluorinated; and CN; R2 is alicyclic group with 5 or more carbon atoms; X is selected from methylene, aether, ester, amide and the connecting part of the carbonate; R3 is linear or branched alkylene with one or more carbon atoms or perfluorinated or semi-perfluorinated linear or branched alkylene; R4 is selected from H, CH3, CF3, CHF2, CH2F and perfluorinated or semi-perfluorinated aliphatic group; R5 is selected from the CF3, CHF2, CH2F and perfluorinated or semi-perfluorinated substituted and unsubstituted aliphatic group; n is 1 or higher integer; OR12 is OH or at least an acid unstable group selected from the tert-alkyl carbonate, tert-alkyl ester, tert-alkyl aether, acetal and ketal.

本发明公开了一种包含一种聚合物的光刻胶组合物，该聚合物包括至少一种具有下列结构的单体：其中，R 1 选自氢、具有1～20个碳原子的线形、支化或环状烷基、半氟化或全氟化的具有1～20个碳原子的线形、支化或环状烷基、以及CN；R 2 为具有5个或更多个碳原子的脂环基团；X为选自亚甲基、醚、酯、酰胺和碳酸酯的连接部分；R 3 为具有1个或多个碳原子的线形或支化亚烷基或者半氟化或全氟化的线形或支化亚烷基；R 4 选自氢、甲基(CH 3 )、三氟甲基(CF 3 )、二氟甲基(CHF 2 )、氟代甲基(CH 2 F)、以及半氟化或全氟化的脂族基团；R 5 选自三氟甲基(CF 3 )、二氟甲基(CHF 2 )、氟代甲基(CH 2 F)、以及半氟化或全氟化的取代或未取代的脂族基团；n为1或更大的整数；OR 12 为OH或者选自叔烷基碳酸酯、叔烷基酯、叔烷基醚、缩醛和缩酮的至少一种酸不稳定基团。

This research has detail summed up the characteristics between aluminosilicate weathering and the weathering of carbonate rocks, and is pointed out the similar weathering processes for aluminosilicate and carbonate rocks at the second stage.

本研究工作系统地总结了碳酸盐岩和硅酸岩风化的特征异同，并且指出碳酸盐岩第二阶段的风化类似于硅酸岩的风化。

Catalysts are made by impregnating a porous transition alumina support with an aqueous solution of a copper ammine carbonate complex, draining off any excess of the impregnating solution, and then heating the impregnated support to a temperature above 80 DEG C to decompose the complex thereby depositing a basic copper carbonate compound on the surfaces of the pores of the transition alumina support.

用作例如催化剂的铜／氧化铝组合物，通过用碳酸铜氨配合物的水溶液浸渍一种多孔氧化铝载体，排出任何多余的浸渍液，然后加热所浸渍的载体到80℃以上的温度来分解所述配合物，从而在所述过渡型氧化铝载体的气孔表面沉积一种碱式碳酸铜来制备。

However, it is difficult to strip Fe from the loaded extractant, this will cause trouble to the U stripping with 50 g/L ammonium carbonate or sodium carbonate.

另外，由于负载的铁不能完全反萃，会给后续的碳酸铵反萃U带来麻烦。

Ginger beer and honey cookies are sometimes seavened by ammonium carbonate together with potassium carbonate.

姜汁啤酒和蜂蜜小甜饼有时也可用碳酸胺结合以碳酸钾发酵生产。碳酸胺盐通常是碳酸氨和氨基酸铵的混合物。

Gypsum,ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research,to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.

以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。

Recent research advance in preparation of ultrafine barium carbonate and strontium carbonate is summarized.

综述了超细碳酸钡和碳酸锶制备方面的研究进展。

In this thesis the solid-state reaction at room temperature was applied to prepare nanometer barium carbonate. The feasibility of this method was studied and an optimized procedure for the preparation of nanometer barium carbonate was set up.

本文采用室温固相化学反应的方法，研究了在该条件下制备纳米BaCO_3的可行性，建立了制备纳米BaCO_3的方法体系，制备了平均粒经约为100nm，形貌近似为球形的纳米BaCO_3。

Is a company specializing in the production of precipitated calcium carbonate of private enterprises, the province is now the largest manufacturer of light calcium carbonate, the second production capacity in the nation, Changshan County is one of the key enterprises.

公司是一家专业生产沉淀碳酸钙的民营企业，也是目前全省最大的轻质碳酸钙生产厂家，生产能力居全国第二，是常山县重点骨干企业之一。

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。