查询词典 sulfuric

The orthogonal experimental design was applied to investigate the effects of zirconia source Zr(NO34·5H2O, ZrOCl2·8H2O,precipitants and sulfating agent (sulfuric acid, ammonium sulfate) on the catalytic performance of the catalysts unde the most superior condition .The catalytic activity was tested in esterification of acetic acid with butanol .

在最优的条件下用正交设计法考察锆源（Zr(NO3)4·5H2O，ZrOCl2·8H2O）、沉淀剂和硫酸化试剂对催化剂性能的影响，并通过乙酸和正丁醇的酯化反应的酯化率检测所制备的SO4/ZrO2催化剂的催化效果。

The present invention adopts ammonium salt solution as leach, and adopts the liquid-phase oxidation activating agent formed from surfactant sodium ligno-sulfonate or sodium dodecyl sulfonate, liquir phase oxidation catalyst Cu(2+) and sulfur-extracting agent tetrachloroethylene to implement quick leaching process of sulkfide mineral in gas-liquid-solid three-phase reactor, all the sulfurs contained sulfide in mineral powder can be converted into elementary sulfur and sulfuric acid radical, the contained zinc, copper, nickel, cobalt, lead, cadmium and silver can be changed into soluble salt, and fed into leach or remained in the leaching out slag.

本发明涉及的有色金属硫化矿的铵盐液相氧化直接浸出方法，其特征在于：采用铵盐溶液作浸出剂，采用由表面活化剂木质磺酸钠或十二烷基磺酸钠，液相氧化催化剂Cu2+、萃硫剂四氯乙烯组成的液相氧化活化剂，在气液固三相反应器内，实现硫化矿的快速浸出过程，矿粉中各种硫化物所含的硫转变为单质硫和硫酸根，所含的锌、铜、镍、钴、铅、镉、银等变成可溶性盐类进入浸出液中或留在浸出渣中，消除传统流程中二氧化硫，硫化氢，氮氧化物及含砷含汞含铅等有毒烟气的排放。

The Residue on Ignition / Sulfated Ash test utilizes a procedure to measure the amount of residual substance not volatilized from a sample when the sample is ignited in the presence of sulfuric acid according to the procedure described below.

炽灼残渣/硫酸化灰分检测是当根据下面所述的步骤使样品在有硫酸的情况下灼烧后，测量未挥发的残留物质量的方法。

A new method of rapid measurement on the content of sulfuric acid anhydride in coal ash is described with its test principle, experimental material, procedures and comparative test data of the new and conventional methods.

介绍一种快速，准确地测定煤灰中三氧化硫含量的方法，阐述了该方法的试验原理、实验材料和操作步骤，并提供了新旧方法对比试验的数据。

It is produced by passing a paper web through a sulfuric acid bath that fuses its fibers into a homogeneous mass.

中义一种抗油纸，在生产过程中将纸浸到硫酸池中使纤维融为一体，增加强度。

The coagulating bath contains sulfuric acid, mainly to neutralize the alkali viscose solution, and salts which are principally sodium sulfate and a very small amount of zinc sulfate which aids in the precipitation process.

凝固浴中含有的硫酸，主要用来中和碱性的粘胶溶液，其主要成分为硫酸钠的盐类以及凝固过程中加入的少量硫酸锌。

The coagulating bath contains sulfuric acid, mainly to neutralize the alkali viscose solution, and salts which are principally sodium sulfate and a very small amount of zinc sulfate which aids in the precipitation process.

凝固浴中含有硫酸，主要用来中和碱性的粘胶溶液，其主要成分为硫酸钠的盐类以及凝固过程中加入的少量硫酸锌。

Love Chinese university students face with sulfuric acid to splash the black bear, just to prove a stupid idea.

情华大学学生用硫酸泼向黑熊面孔，只为了证明一个愚蠢的想法。

With common industrial pure aluminum L2 as experimental material, a sulfuric acid AC anodization and black nickel plating process was used to reduce the cost of processing, focusing on the analysis of the effects of temperature, current density and mass concentration of nickel ions on the performance of the black coating.

研究以常用的工业纯铝L2为实验材料，采用硫酸交流电阳极氧化和电镀黑镍工艺来降低成本，着重分析温度、电流密度、镍离子的质量浓度等对黑色膜层性能的影响。

Our company's petrochemical industry can take waste heat boiler FCC, sulfuric acid with waste heat boiler industry, glass industry with the design of waste heat boiler manufacturing business.

我公司还可承接石化行业催化裂化余热锅炉、硫酸行业所配余热锅炉、玻璃行业所配余热锅炉的设计制造业务。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。