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By means of silty fine sand layers, the paper researches the grouting systems that consists of cement single liquid grouting material, MC super and thin cement single liquid grouting materials, cement and water glass of liquid grouting materials, MC super and thin cement and water glass of liquid grouting materials, TGRM single liquid grouting material, and HSC single liquid grouting material, respectively. The grouting design, grouting parameter, grouting result check of the karst cave No.2 and two passive countermarch returns to fill the situation are analyzed, which can provide an important reference for future tunnels under similar geological conditions.

针对2溶洞平导高压富水粉细砂层地质特点,研究出了由普通水泥单液浆、超细水泥单液浆、普通水泥-水玻璃双液浆、超细水泥-水玻璃双液浆、TGRM单液浆和HSC单液浆组成的注浆材料配套体系,并对2溶洞平导施工过程中出现的2次较为被动的后退回填局面以及施工中的注浆设计、注浆参数选择和注浆效果检查评定进行了总结分析,以期对类似工程的设计、施工提供借鉴价值。

In order to determine the optimal conditions of water glass from oil shale ash, through orthogonal experiment, the influences of correlative parameters including NaOH concentration, material ratio (NaOH to oil shale ash in weight), reaction time and reaction temperature on the modulus of water glass or deliquescent rate of SiO2 were all studied.

为研究页岩灰制取水玻璃的最佳条件,分别以水玻璃模数和页岩灰中SiO2溶出率为指标,NaOH溶液质量分数、物料比(NaOH溶液与页岩灰的质量比)、碱浸时间和碱浸温度为影响因素。进行了正交试验。

The current status of melting furnace for sodium silicate production an China is briefly introduced.

简要介绍了目前国内生产水玻璃使用的熔窑状况,几种窑型的优缺点,并对水玻璃熔窑今后的发展提出了看法。

The structure and ingredient of modified sodium silicate and silicate bonded sand were analyzed.

对经过改性后的水玻璃水玻璃砂样结构、成分等进行了分析。

The sodium silicate was modified with modified resin and then was used for preparation of moulding sand.

采用改性树脂对水玻璃进行改性处理,并用改性后的水玻璃配制型砂。

The essence of the sodium silicate binder modifying technique can be summarized as: to enhance the purity, i.e.

结合酯硬化水玻璃砂应用特点,介绍了水玻璃粘结剂改性技术的现状及发展方向。

By using the silicomolybdic yellow colorimetric method, the paper determines not only the existing form of soluble glass in the newly made-up, being used, and discarded cooling liquid,but also the relation of the stability of cooling liquid to the concentration and standing time of monosilicic acid and total silicic acid. The relation of the concentration of polysil...

本文采用硅钼黄比色法测定新配制、使用中和报废冷却液中的水玻璃存在形态和研究冷却液的稳定性与单正硅酸、总硅酸的浓度和放置时间的相关性;用四氢呋哺萃取比色法测定冷却液中的高聚硅酸含量与放置时间的相关性;研究用超声波、磁场等物理方法处理废冷却液的再生可行性及水玻璃的形态变化。

The function mechanism among the minerals and floatation drugs had been studied with the way of IR and academic calculation, which pointed out that absorption of G-4 on the surface of phosphorite belonged to physical and chemical types, but the chemical one was in the highest flight. Absorption of amine collector named GE-609 on the surface of quartz belonged to electrostatic and physical type. Distilled water could hardly wash the GE-609 down from the surface of quartz. Leading component of S-721 was the concentrated compound of naphthol sulfonic acid and formaldehyde. The compound had a stronger affinity to the Mg~(2+) on surface of dolomite than the Ca2+ on surface of phosphorite, which is the essential reason in the separation of phosphorite and dolomite. The leading components of soluble glass in function were HSiO3 hydronium and F^SiC^ colloid granule.

通过红外光谱测定以及理论计算的方法研究了选矿药剂与矿物间的作用机理,研究表明:脂肪酸捕收剂G-4对胶磷矿的捕收作用是以化学吸附为主、化学吸附与物理吸附共同作用的结果;胺类阳离子捕收剂GE-609在石英表面的吸附属于静电物理吸附,但很难用水洗的方法使GE-609从石英表面脱附;S-721主要成分为萘酚磺酸与甲醛的缩合物,萘酚磺酸与甲醛的缩合物对白云石表面Mg~(2+)的吸附明显强于对胶磷矿表面Ca~(2+)的吸附,这是胶磷矿与白云石分离的根本原因;水玻璃溶液中对石英起抑制作用的主要组分是HSiO_3~-和H_2SiO_3胶粒,水玻璃除对石英起抑制作用外,对矿浆还具有一定的分散作用。

The results show:during the producing of water glass,the new technology can get rid of metal impurties which have been formed undissolved compounds;the undissolved compound can dissolved in acid;the purity of water glass producing by new technology is as same as or higher than the purity of it wthich is produced by the tradional technology sometimes.

结果表明:金属成分在水玻璃的制备过程中以难溶化合物的形式被除去;难溶化合物能与酸反应,转化为可溶化合物;新技术制取的水玻璃溶液与传统方法相比,纯度相同,甚至更高。

Water glass, also known as sodium silicate chemically, is a type of metasilicate water solution. It will be known as Potash Water Glass if potassium metasilicate is used commonly.

水玻璃俗称泡花碱,是一种矽酸盐水溶液,常用的是矽酸钾,称为钾水玻璃

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。