Insoluble salts are prepared by double decomposition.
不可溶盐可以通过双分解制备。
Preparation of potassium dihydrogen phosphate (KDP) by liquid-liquid inhomogeneous double decomposition method was studied in this paper.
本文研究了液液非均相复分解法制备磷酸二氢钾的过程。
The technology and mechanism of solution chemistry of preparation of strontium carbonate by double decomposition from celestite concentrate were investigated.
研究了天青石精矿复分解法制备碳酸锶的工艺及溶液化学作用机理。
The present invention is related to an improved technological process for producing sodium nitrate by the double decomposition of calcium nitrate and sodium sulfate.
本发明涉及到对用硝酸钙和硫酸钠复分解而得硝酸钠的工艺的改进方法。
Compared with that of traditional technology of double decomposition method, the productivity of this technology was raised and the consumption of energy and water reduced greatly.
与传统的复分解法工艺相比，该工艺生产效率明显提高，能耗、水耗显著下降。
This article USES the direct double decomposition method to synthesis zinc gluconate, through adding ethyl alcohol to reduce its watery solution solubility and to obtain its crystal.
采用直接复分解法合成葡萄糖酸锌，通过滴加乙醇降低它在水溶液中的溶解度从而得到它的晶体。
This paper introduces the method of preparing high pure lithium carbonate by double decomposition method with industrial lithium hydroxide and ammonium carbonate as the raws materials.
以工业氢氧化锂和分析纯碳酸铵为原料，采用复分解法合成高纯碳酸锂。
This paper introduces the method of preparing high-purity magnesium hydroxide by double decomposition method with industrial magnesium chloride and barium hydrosulfide as the raws materials.
以工业氯化镁和硫氢化钡为原料，采用复分解法合成高纯氢氧化镁。
The process technology of manufacturing potassium dihydrogen phosphate by double decomposition with wet - process phosphoric acid purified by reaction medium circulation was introduced in this paper.
介绍了三聚氰胺反应媒循环法净化湿法磷酸复分解生产磷酸二氢钾的工艺技术，对由两种不同原料出发的工艺路线所得的产品进行了成本比较。
Most factories use the carbonization method. Some medium and small factories use the barium carbonate ore method. Only a few factories use the double decomposition method with a relatively high cost.
目前我国大多数厂家采用碳化法，一些中、小型企业采用毒重石法，而只有少数厂家采用成本较高的复分解法生产碳酸钡。
Such being the case of different double beam section and load change, adopting decomposition combination to making double bean frame internal force analyse.
在双梁断面不同，双梁上荷重变化较大的情况下，采用分解组合法进行双梁式框架内力分析。
The results show that the crook of these propellants burning curves were caused by the difference of thermal decomposition behavior between the solid filler RDX and NC-NG double-base binder.
试验结果表明：NC、NG组成的双基粘合剂与固体添加物rdx在热分解特性上的差异是导致硝胺发射药燃速曲线转折的原因。
The results show that bainite phase transformation in the middle temperature area is transitive, and it has double character of the pearlite decomposition and the martensite transformation.
认为，中温区的贝氏体相变带有珠光体分解和马氏体相变的双重特征，具有过渡性。上贝氏体转变与珠光体分解有着本质上的区别，但又有密切的联系；
Analysis was made of several factors leading to occurrence of decomposition in production of PVC-U double-wall corrugated pipe and some manufacture experience was introduced.
分析了影响PV C - U双壁波纹管生产中出现焦料问题的几种因素，并介绍了一些生产经验。
The thermal decomposition of single, double-and triple-base nitroguanidine propellants was studied by differential scanning calorimetry (DSC).
用差示扫描量热计（DSC）研究了单基、双基和三基药热分解性能。
The grain distribution and thermal decomposition characteristic of RDX in RDX modified double base spheric small size propellants are discussed.
讨论了改性双基球形小粒药中rdx颗粒的分布和RDX热分解的特点，提出了RD X改性双基球形小粒药的燃烧机理。
The grain distribution and thermal decomposition characteristic of RDX in RDX modified double base spheric small size propellants are discussed.
讨论了改性双基球形小粒药中rdx颗粒的分布和RDX热分解的特点，提出了RD X改性双基球形小粒药的燃烧机理。
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