查询词典 sulphate paper

Secondly, this paper describes the effect of presence of inorganic salts namely, sodium chloride, sodium sulphate, sodium nitrate, sodium dihydrogen phosphateand and sodium bicarbonate on decolouration of azoic dye effluents by the UV-Vis /Ferrioxalate/H2O2 process.

本课题可以得到以下结论：在偶氮染料光催化氧化脱色反应中，无机盐有抑制作用，并且依其种类不同，其抑制作用亦有差异；表面活性剂对于染料的脱色降解存在不同程度上的抑制作用。

The polysilicic acid is compounded with polyferric chloride sulphate under certain conditions, then the polysilicic acid-polyferric chloride sulphate flocculence is prepared. The study shows that: when the Cl-/SO42-molar rate is 1:1, the Fe/Si molar rate is 2:1, the flocculence has the best effect on paper-making waste water treatment.

将聚硅酸与聚合硫酸氯化铁在一定条件下复合，制备聚硅酸聚合硫酸氯化铁复合型絮凝剂，研究表明：在氯根与硫酸根物质的量比为1：1，且铁与硅物质的量比为2：1时，制得的复合型絮凝剂对造纸废水具有最佳处理效果。

The paper aims to study the effect of fly ash on concrete to sulphate attack.

研究了粉煤灰对混凝土抗硫酸盐侵蚀性能的影响。

Either sodium picrate, which is converted to sodium isopurpurate, or a freshly prepared solution of guaiacum resin in absolute alcohol which is allowed to dry on the paper and treated with very dilute copper sulphate solution. The latter test-paper turns blue with prussic

acid。苦味酸钠试验：将生药研碎，取0.5g放入试管中，加数滴水润湿，加塞密闭，管口内悬挂一条用碳酸钠溶液润湿的苦味酸试纸，将试管置40～50℃水浴进行酶解，试纸转为砖红色，若是悬挂联苯胺-硫酸铜试纸，则应生成联苯胺氧化物而使试纸变蓝色。

In this paper, production process of copper sulphate and crude nickle from waste electrolyte.

介绍了废电解液除杂制取硫酸铜和粗镍的主要工艺条件及试验结果。

In this paper, We analyse the problem caused by quantitative detection of Gentamicin Sulphate by NMR.

本文分析了在用NMR定量检验硫酸庆大霉素时所遇到的问题，并提出了相应的解决方法。

In this paper, a new process of separating iron, zinc and manganese in mixed sulphate solution was developed.

本文提出了一个从混合硫酸盐溶液中萃取分离铁、锌、锰的新工艺。

The effect of additives on the control of crystal size for sodium sulphate is discussed in the paper.

研究结果表明：十二烷基苯磺酸钠的加入增大了硫酸钠结晶过程的界面能，从而抑制自发成核过程的发生，促进晶体的生长，改善晶体的粒度。

The physical,chemical character and usage of magnesium sulphate were introduced in this paper,the production method and process of magnesium sulphate were also expounded.

介绍了硫酸镁的物理、化学性质和用途，阐述了硫酸镁的生产方法及工艺流程：硫酸法，盐湖苦卤法，苦卤复晒法，高温盐溶浸法，震荡转化法，碳酸化法，二氧化硫催化法。

According to the complexity of the sulphate salty soil,the paper analyzes the harm and the cause of the sulphate salty soil from the salt expansion,the collapsibility and the corrosion,studies the dynamic compaction to eliminate the collapsibility of the sulphate salty soil foundation,and puts forward the anti-corrosion measures.

针对盐渍土问题的复杂性，从盐胀性、溶陷性、腐蚀性方面分析了硫酸盐渍土的危害及其产生原因，结合具体情况，对强夯法消除硫酸盐渍土地基的溶陷性进行了研究，并提出了防腐处理措施，通过实际工程中的成功应用说明了该方法的可行性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。