酸不溶物

铁精矿还原铁粉中酸不溶物的研究

Acid-insoluble substances in reduced iron powder from iron concentrates

酸不溶物对碳酸盐岩风化壳发育程度的影响

Impact of Acid-Insoluble Residua of Carbonate Rocks on Developing Intensities of Their Weathering Crusts

氢氧化镁和氧化镁中酸不溶物的研究

Study on acid insoluble substance of magnesium hydroxide and magnesium oxide

GB/T1874-1995磷矿石和磷精矿中酸不溶物含量的测定重量法

Phosphate rock and concentrate Determination of acid insoluble content Gravimetric method

铬酸钡生产中酸不溶物的去除

To Eliminate the Insoluble Impurity in Acid Solution Which Exists in Barium Chromate

硝酸磷肥中酸不溶物分离的研究

Study on Separation of Acid-Insolubles from Nitrophosphate

本文从理论上分析了铬酸钡生产中酸不溶物产生的原因。

This paper analyzes the cause of insoluble impurity in acid solution which exists in barium chromate .

指出铬变价态离子的出现是造成酸不溶物的主要成因之一，针对这一困扰试剂生产的问题，提出了改进工艺的方法，并在实际生产中取得了良好效果。

A new method to solve the problem is developed . It has a good effect in actual production .

碳酸盐岩酸不溶物作为贵州岩溶区红色风化壳主要物质来源的证据

Insoluble residues of carbonate rocks as source material for red weathering crusts in karst regions of Guizhou province , China

介绍了沉降槽的设计条件，计算了酸不溶物的沉降速度和沉降面积，总结了改造效果。

Design conditions of settling tank were introduced , settling speed and settling area for acid insoluble were calculated , and the reformation effect was summarized .

风化前锋是一个重要的地球化学作用场所，在这一狭窄的界面上，伴随碳酸盐矿物的快速淋失，残余酸不溶物开始了明显分解。

The weathering front is a main place of geochemical reaction , and at this limited-thick interface , with quick dissolution of carbonates , acid-insoluble residues begin to obviously decompose .

碳酸盐岩的酸不溶物含量低，碳酸盐矿物可溶性强，发育程度较高的风化壳剖面能够在垂向上很窄的范围内形成碱性障。

The carbonate is easily soluble and the concentration of insoluble residues is very small , so the alkali barrier can form in the vertical profile with higher weathering degree .

根据化学反应方程式计算出溶解一定质量的水泥熟料需要盐酸的摩尔数，结果发现该值明显低于测定水泥酸不溶物常用的摩尔数。

The Molar number of hydrochloric acid needed to dissolve a certain amount of clinker , calculated with the chemical reaction formular , was always lower than that of practical used .

介绍了硝酸磷肥装置酸不溶物分离系统存在的问题，通过对3种酸不溶物分离方法的对比，选择了重力沉降&洗涤法改造方案。

The existing problems for the acid insoluble separation system in nitro phosphate unit were introduced , through the contrast on three kinds of separation methods of acid insoluble , the reformation scheme with gravity settling washing method was selected .

稀土金属中的酸不溶物是影响其塑性、韧性的重要原因，将所述酸不溶物含量限于一定水平，则能保证稀土金属合格的塑性和韧性。

Non acid dissolvable material in RE metal is a important factor to influence its plasticity and toughness . The qualified plasticity and toughness of RE metal will be guaranteed by keeping the content of the mentioned material to a certain level .

方法：按《中国药典》2005年版一部附录的方法测定水分、总灰分、酸不溶灰分和浸出物。

Methods : The water content , total ashes , insoluble in acids ashes and extracts were determined according to the approaches listed in the Chinese Pharmacopeoa published in2005 .

结果表明，改造后酸解液中酸不溶物质量分数从3.57%下降到2.77%，分离率为23%。

The result indicates that the quality fraction of acid insoluble after reformation is lowered from 3.57 % to 2.77 % , its separation rate is 23 % .