查询词典 carbonate-apatite

Abruption of calcium carbonate whisker could be remarkably reduced by adding proper quantity of sodium stearate.

适量的硬脂酸钠能够显著地减少晶须的断裂，解决了碳酸钙晶须在烘干中的断裂和易于团聚结块的问题。

Under the optimized parameters,i.e.,resorcinol to potassium carbonate molar ratio of 1∶0.5,reaction temperature of 155℃-160℃,reaction time of 6 hours-7 hours,and dimethyl acetamide as solvent,the yield of 2,6-dihydroxybenzoic acid was up to 29.38%.

溶剂羧化法Kolbe-Schmitt反应，是在有机溶剂氛围中，由酚的成盐和酚盐的羧化两步完成，一直应用在农药、医药以及化肥的合成过程中。

The synthesis of methyl benzoate was carried out from acetophenone and dimethyl carbonate in the presence of solid acid and base catalysts.

以固体酸碱为催化剂，研究了碳酸二甲酯与苯乙酮合成苯甲酸甲酯的反应，考察了反应温度、反应时间、催化剂用量和原料摩尔配比等因素对反应结果的影响。

In this paper, acetylsalicylic acid has been synthesized by microwave radiation, taking anhydrous sodium carbonate as catalyst.

本论文采用微波方法合成阿司匹林，用无水碳酸钠作催化剂，研究了微波在有机合成中的应用及其加热原理。

The acid viscosity change always occurred after the acid system contacting with carbonate rock.

其酸液粘度的变化都是在该体系与碳酸盐岩接触后发生。

Immature source rock ; fatty acid ; carbonate ; mineral catalysis ; reaction rate constant ; active energy

未熟烃源岩；脂肪酸；碳酸盐；矿物催化；反应速率常数；活化能

A salt of carbonic acid in which one hydrogen atom has been replaced; an acid carbonate.

碳酸的一种盐，其中一个氢原子被替换，一种酸式碳酸盐。

The synthetic method for nickel borate acylate, a kind of rubber-steel c ord adhesion promoter, through nickelous carbonate borate and mixed carboxylic a cids was studied, and many factors influencing the synthesis of NBA were investi gate d systematically.

研究了以碳酸镍、硼酸酯和混合羧酸合成新的金属橡胶粘合促进剂硼酰化镍的新方法。系统地考察了各种因素对合成硼酰化镍的影响。

In order to solve the problem of accumulation of phosphogypsum, which is a byproduct in the process of nitrophosphate production by freezing method, using phosphogypsum, ammonium carbonate and ammonia as raw materials, ammonium sulfate and calcium carbonate were prepared by double decomposition reaction, and the recycling utilization of sulfur resource was realized.

为了解决冷冻法硝酸磷肥生产中深度除钙副产磷石膏的堆积问题，以磷石膏、碳酸铵和氨水为原料进行复分解反应制备硫酸铵和碳酸钙，以实现硫资源的循环利用。

BACKGROUND: Based on documents abroad and home, both alginic acid and carbomer are used to prepare gel matrix of lithium carbonate tablets; furthermore, hydroxypropyl methyl cellulose, a kind of water-soluble skeletal material, can be used as controlled release matrix of lithium carbonate tablets.

摘要背景：目前国内外文献报道的碳酸锂缓释片多采用海藻酸、卡波姆等制备凝胶型骨架片，同样作为水溶性骨架材料的羟丙基甲基纤维素，也可作为碳酸锂的缓释基质。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。