查询词典 chlorhydric

A new defluorination idea is presented. During the process of producing phosphoric acid with chlorhydric acid and phosphate rock, the extraction reaction of the phosphate rock is accompanied with the defluorination reaction. Feed-grade calcium hydrogen phosphate according with international standard can be made by filter and neutralization without any deflourination agent.

采用全新的脱氟理念，在使用盐酸与磷矿制取磷酸的过程中，磷矿的浸取反应与除氟反应同步进行，在不添加任何除氟剂的条件下，浸取液经过过滤，中和，就可以制出符合国标要求的饲料级磷酸氢钙。

The technology process was conveniently operated, with the acid -leaching solution as raw material from the producing of gelatin, the animal bones were fully utilized and the problem to handle the waste Chlorhydric acid was solved.

本工艺流程简单，由于利用了明胶生产中的酸浸液为原料制备食品级磷酸氢钙，因而兽骨得到了充分利用，且解决了明胶生产过程中废酸的处理问题。

We can also produce the steel equipment to manufacture synthesis chlorhydric acid, that is: graphite synthesis furnace -graphite cooling tubes tower-graphite ejector pump.

本厂还可为用户生产用于制造合成盐酸的成套设备。即：石墨合成炉－石墨冷却管道系统－石墨降膜吸收器－尾气塔－喷射泵。

In the recent years, the company has developed series of the down-stream derivatives of P/O-Chlorotoluene, i.e. 3,000 t/a O- Chlorobenzaldehyde and O-Chlorobenzyl Chloride, 3,000 t/a P- Chlorobenzaldehyde and P-Chlorobenzyl Chloride, 1,500 t/a 2.4- Di chlorotoluene etc. In addition, there is the by-product of 30,000t/a of chlorhydric acid (31-33%). In 2008, the company invested 80 mln yuan, to build the project with 25,000t/a of Maleic Acid by adopting the up-to-date in China technology, thus to improve the product range to a greater extent, and hence to sharpen its competitive edge.

近年来又发展了对、邻氯甲苯的下游衍生系列产品：3000t/a邻氯苯甲醛、邻氯氯苄，3000t/a对氯苯甲醛、对氯氯苄，1500t/a2，4－二氯甲苯等，另有副产盐酸（31～33％）30000t/a.2008年，公司投资8000万元，采用国内最先进的技术建成了25000t/a顺丁烯二酸酐项目，大大改善了公司的产品结构，提高了企业的竞争能力。

Key words: chlorhydric acid method; feed-grade calcium hydrogen phosphate; defluorination; clean process

盐酸法；饲料级磷酸氢钙；脱氟；清洁工艺

White powder, toxic, sweet, specific density 7.10, insoluble in water, soluble in nitric acid, soluble in chlorhydric acid, ammonium acetate and sodium acetate when heated.

白色粉末，味甜、有毒，比重7.10。不溶于水，溶于硝酸、热溶盐酸、醋酸铵和醋酸纳溶液中，可部分溶于醋酸中。

Does Huazhong University of Science an Technology have studying clinically with helping medical college middle applying to fibre laryngoscope go over to chlorhydric acid Dingkayin glue thick fluid?

华中科技大学同济医学院对盐酸丁卡因胶浆在纤维喉镜检查中应用有临床研究吗？华中科技大学同济医学院对盐酸丁卡因胶浆在纤维喉镜检查中应用有临床研究吗？

GC-MS is used to determine content of free TDI, reaction kinetics is analysed by chlorhydric acid/n-dibutyl amine titration -NCO method and DSC, so the system activation energy is calculated.

采用气相色谱-质谱法测定其游离TDI含量，用盐酸-正二丁胺滴定-NCO法和DSC法相结合，分析反应动力学规律，计算体系表观活化能。

Then, inhibition mechanism and the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles and quaternary ammonium salts are studied from microscope through quantum chemistry calculation, and according to the results, theory predicting and proof testing of a benzene nitrile (2-benzo butyl nitrile) are made.

利用Hansch关系的研究结果表明，苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀效率，可用苯腈类化合物氰基氮原子的净电荷密度和分子最高占据轨道能量或分子最低空轨道能量构成的表达式表达。量子化学计算研究结果表明：1、苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀机理可能是：苯腈类化合物分子以其氰基氮原子上的电子提供给铁的3d空轨道，形成配位键；同时铁的3d轨道上的电子提供给苯腈类化合物分子的能量最低空轨道，形成&反馈键&。

Using the 1:1 chlorhydric acid and fly ash that has been incinerated react 8h by whisking sometimes . The cioncentraction of the draw out juice of Gallium is 10.9ug/g, The leaching out efficiency is percent of 35.2. The Galliums content and its leaching out efficiency is changed a little in the fly ash pass incinerating.

用1：1的盐酸在60℃下与焚烧后的粉煤灰间歇搅拌反应8h，浸出粉煤灰中镓浸出液中浓度为10.9μg/g，浸出率为35.2％；焚烧后不同粒级粉煤灰中镓的含量和浸出率没有明显的不同。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。