碳酸

This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

文综述了光气下游精细化学品的开发及生产进展,二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、酸酯类化合物。

The samples were ignited, then bismuth subcarbonate in residue was determined by compleximetry.

供试品经有机破坏后,采络合滴定法测定制剂中碱式酸铋的含量。

The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.

其主要成分是三苯基-甲烷、叶绿醇、正十六酸、2,4,6-三（1,1-二甲乙基）-苯酚等，这为进一步开发利蒌蒿提供了科学依据。

The main kinds of rocks include carbonate rocks, tuffite, siliceous rocks and quartz sand-stone.

主要岩石类型酸盐岩、沈积凝灰岩、矽质岩和石英砂岩。

The ingredient of Pepsi Coca included carbonic water,white sugar,caramel colour ,phosphoric acid,caffein and food flavor.

百事可乐基成分有酸水（水，二氧化），白沙糖，焦糖色，磷酸，咖啡，香料。

The ability of the gas phase inhibitor—cyclohexylamine carbonate (CHC)for chemical equipment was studied.

研究了气相缓蚀剂酸环己胺（CHC）于化工装备保护的可能性。

Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.

海绿石、酸盐骨骸碎屑、海相化石和胶磷矿普遍出现。

The research progress in the mimicking of carbonic an hydrase,hydrolase and redox enzyme is reviewed.

综述了环糊精金属配合物作模拟酸酐酶、水解酶、氧化还原酶的研究进展。

The product has good catalytic property for the formation of diene stereospecific polymers.

制得的叔酸钕具有对二烯烃良好的定向聚合活性。

Method The target compound was synthesized from clarithromycin via hydrolyzation,acetylation,cyclic carbonatation,oxidation,decarbonatation,acylation,cyclic carbamatation and cyclization.

方法以克拉霉素为起始原料,经水解、乙酰化、环酸酯化、氧化、脱酸酯化、酰化、环氨基甲酸酯化和环合等反应合成目标化合物。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

化工生产品中的腐蚀性物料，如：烧碱、纯碱、浓稀硫酸、酸、醋酸等。

Na-rich rocks include albitite,arfvedsonite-bearing albitite dyke,arfvedsonite dyke,and arfvedsonite-bearing .

富钠岩石富钠长石岩、含钠闪石钠长岩脉、钠闪石岩脉及钠闪石酸岩脉和钠闪石化蚀变白云岩。

Molluscacide fertilizer is a mixture of bromoacetamide, NH4HCO3, fused calcium-magnesium phosphate and KCl.

摘要灭螺肥料以溴乙酰胺和酸氢铵、钙镁磷肥、氯化钾充分搅拌混合而成。

BPA is a known estrogen mimicker that is used in the production of polycarbonate plastic.

BPA（双酚A）类似女性荷尔蒙雌激素，广泛于聚酸酯塑胶制品的生产中。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以酸二乙酯(DEC)为乙基化试剂,与苯酚在气固相条件下催化合成苯乙醚。

Nanometer sized lead oxide was prepared by pyrogenetic decomposition of lead carbonate synthesized by chemical precipitation.

采均匀沉淀法合成酸铅,在此基础上通过高温分解制备纳米氧化铅。

Eodiagenesis is characterized by the assemblage of carbonate-analcime-anhydrite, while authigenic kaolinite is found in some strata.

浅埋藏期以酸盐～沸石～硬石膏组合为特征。

Carbonic anhydrase(CA;EC 4.2. 1.1)is a zinc-containing metalloenzyme that catalyzes the reversible conversion of CO2 to bicarbonate.

摘要酸酐酶是催化二氧化的可逆水合反应的一种含锌金属酶。

In the PACU, hypercarbia or een respiratory arrest may occur if the patient is left unstimulated.

在PACU，如果病人在没有刺激状态下常有高酸血症甚至呼吸间停发生。

A new technology for producing PCC directly in the causticizing stage is reported in this paper.

介绍了一种苛化工段直接生产沉淀酸钙的新技术。