硅酸钠

The by-product sodium salt solution can be reacted with fluosilicic acid to produce sodium fluosilicate with lower cost and no three-wastes are produced in the process.

副产物钠盐溶液与氟硅酸反应还可用于制取氟硅酸钠，使氟硅酸钠的生产成本也较低，且无三废产生。

In the wet-process phosphoric acid production from the Hubei phosphate ore, one of the bothersome problems is that potassium fluosilicate and sodium fluosilicate scales are liable to form on the filtration system owing to its high potassium and sodium content, which greatly restrains the application of Hubei phosphate ore.

本文首先采用人工冷却系统模拟湿法磷酸生产的真空过滤系统冷却过程，研究垢物的析出规律，实验结果得知：垢物的主要成分为氟硅酸钠和氟硅酸钾，氟硅酸钠首先析出，结构致密，其次是氟硅酸钾，最后是二水硫酸钙，氟硅酸钠对氟硅酸钾有很强的结晶诱导作用；然后在三种生产中常用的不同的材质钼二钛、聚氯乙烯和聚四氟乙烯表面进行结垢试验，发现聚四氟乙烯表面最不易结垢，而在钼二钛表面最易结垢。

This paper studied the effects of different modulus of sodium silicate in old newspaper deinking.

本实验制备了不同模数的硅酸钠，研究了硅酸钠模数对旧报纸脱墨的影响。

The softening water capability of sodium metasilicate is poor. New phosphate-free detergent builders are developed in order to increase softening water capability of alkali silicates.

新型无磷洗涤助剂的研究围绕着提高碱金属硅酸盐的抗硬水能力展开，一是制备结晶层状二硅酸钠，二是将硅酸钠与其它助剂复合制备复合洗涤助剂。

They are liquid sodium silicate, sodium metasilicate pentahydrate , quick-resolving sodium silicate and silica sol.

详细介绍了联产法生产硅酸钠系列产品新工艺及其特点，对工业液体硅酸钠、五水偏硅酸钠、粉状速溶硅酸钠、硅溶胶 4种产品的原材料规格、质量标准、工艺原理、工艺流程等方面进行了论述。

SBA-15 samples obtained from both silica sources were highly ordered p6mm symmetric pillar structure,as was evidenced by XRD patterns,with similar surface area and slightly larger pore volume for the samples prepared from TEOS than those from sodium metasilicate.

通过X射线粉末衍射对样品进行表征，发现两种硅源合成的SBA-15都具有高度有序的二维六方立柱形结构。它们的比表面积相近，用TEOS作为硅源的SBA-15的孔容比用硅酸钠作为硅源的SBA-15的略大；用硅酸钠作为硅源的SBA-15有更高的微孔率和更厚的孔壁。

The problem from sodium tripolyphosphate,4A zeolite,sodium metasilicate and phosphorous prohibition was summarized and the various performances and effect of δ-layered crystal disodium silicate as detergent were analyzed.

分析了现用助洗剂三聚磷酸钠、4A沸石、偏硅酸钠存在的问题及禁磷的重要性，重点论述了δ-层状结晶二硅酸钠用作助洗剂的各种性能及效果，认为δ-层状结晶二硅酸钠是一种良好的无磷助洗剂，它具有其他助洗剂所不具备的优良性能；对δ-层状结晶二硅酸钠的制备工艺作了简要介绍，并作了市场及在国内工业化生产的可性行分析。

Sodium silicate is an important additive in paper recycling, the modulus of sodium silicate plays an important role in its application.

硅酸钠是一种重要的脱墨助剂，而硅酸钠的模数(产物内的二氧化硅与氧化钠的摩尔数比值)对脱墨过程有重要的作用。

The main products are inorganic fluoride, with the integrated capacity of 150 thousand tons per year, our main products are: synthetic cryolite, aluminium fluoride, sodium fluoride, silica white, hydrofluoride, potassium fluoroborate, potassium fluotitanate, potassium aluminium fluoride, magnesium fluoride, barium fluoride, lithium fluoride ,potassium fluoride, magnesium fluorosilicate, potassium fluorosilicate, potassium fluorosilicate etc.

多氟多公司生产区多氟多化工股份有限公司，公司注册资本8000万元，为河南省高新技术企业，是中国最大的无机氟化盐生产基地之一。综合产能15万吨/年，主要产品有冰晶石、氟化铝氟化钠、白炭黑、氢氟酸、氟硼酸钾、氟钛酸钾、氟铝酸钾、氟化镁、氟化钡、氟锆酸钾、氟化氢铵、氟化铵、氟化钾、氟化锂、氟硅酸钠、氟硅酸钾、氟硅酸镁等。

Under the experimental conditions, alum, alum/sodium silicate, sodium silicate/hydrochloric acid, zinc chloride, and sodium silicate/zinc chloride are effective to inhibit the dissolution of precipitated calcium carbonate in distilled water with pH value 5.85, and the pH values of the suspensions decrease.

硫酸铝、氯化锌、硅酸钠/稀盐酸可对PCC在pH值为5.95的醋酸/醋酸钠缓冲溶液中的溶解性产生较弱的抑制作用，硅酸钠/氯化锌的溶解抑制作用相对较为显著，滤液钙离子浓度可降低30％左右。

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。