查询词典 sulfuric

In order to understand the lead and mercury content in Baby, sedative Chinese herb drugs, 179 preparations and 52 herbs of Chinese drugs were analyzed. Samples were prepared by Ash determination in lead and sulfuric acid-nitirc acid digestion in mercury, then determined by AAS.

将市售小儿惊风散类制剂179件及其药材52种，分别以灰化法及硫酸硝酸法处理后，利用原子吸光光度法(Atomic Absorption Spectrometry；AAS)测定铅及汞之含量。

I plant perennial supply of chemical plating material: nickel sulphate, chloride nickel, nickel nitrate, ammonium chloride, sodium hypophosphite, sodium citrate, ammonium citrate, potassium citrate, chromium oxide, red Lead oxide, palladium chloride, SnCl2, crystal tin tetrachloride, the resistance of fuse, lithium fluoride, sulfuric acid cadmium, Na2HPO4, bismuth chloride, bismuth oxide, oxide Thallium sulfate Cobalt, cobalt nitrate, cobalt chloride, barium hydroxide, calcium hydroxide, fine chemical products.

我厂常年供应化学镀材料：硫酸镍、氯化镍、硝酸镍、氯化铵、次亚磷酸钠、柠檬酸三钠、柠檬酸三铵、柠檬酸钾、三氧化铬、红色氧化铅、氯化钯、氯化亚锡、结晶四氯化锡、电阻熔断剂、氟化锂、硫酸镉、磷酸氢二钠、氯化铋、三氧化二铋、三氧化二铊、硫酸钴、硝酸钴、氯化钴、氢氧化钡、氢氧化钙等精细化工产品。

Lead the vitriol canvasses business to lead the item of money Business enterprise brief introduction: The Hebei JiHeng group limited company with the fine chemical engineering product produce for predominate the industry, gather the section work as comprehensive sex business enterprise group of the integral whole, the main foundation chemicals contain chlorine gas, ion film alkali, diaphragm alkali, sulfuric acid, methyl alcohol...etc., is a scale of Asia biggest, the world is secondary to disinfect a production base, China is biggest to produce the base and China over the vitriol north China the biggest solution in region painful raw material in hot town medicine produces the base.

过硫酸盐招商引资项目企业简介：河北冀衡集团有限公司是以精细化工产品生产为主导产业，集科工贸为一体的综合性企业集团，主要基础化学品有氯气、离子膜碱、隔膜碱、硫酸、甲醇等，是亚洲规模最大、世界第二的消毒剂生产基地，中国最大的过硫酸盐生产基地和中国华北地区最大的解热镇痛原料药生产基地。

As for treatment of waste water from the water scrubbing purification process of the sulfuric acid plant,if lime milk alone is used for neutralization,effluent emission will mostly exceed the standard limit,causing environmental pollution.

硫酸装置水洗净化工艺的污水处理，若单纯用石灰乳中和大都会出现超标排放、污染环境。

Adopting condensation copolymerization between alkylphenol polyoxyethylene ether and methyl aldehyde and using concentrated sulfuric acid sulfonation, which it with sodium hydroxide neutralization, finally acquired sulphonate anionic surfactant, utilize as temperature resistance 、mineral salt tolerance for heavy oil viscosity reducer , research on the performance evaluation, the result indicate, the amount of sulphonate anionic surfactant to be used at 0.2wt%, viscosity reducer rate reached 92.1%; added with 0.5wt%, the calcium and magnesium ions resistance in mineral water up to 800mg/L.

采用辛基酚聚氧乙烯醚和甲醛的共缩聚物与浓硫酸磺化后，再用氢氧化钠中和后得到磺酸盐阴离子表面活性剂作耐温抗矿盐稠油降粘剂，并对其进行性能评价，结果表明，辛基酚聚氧乙烯醚甲醛共缩聚物磺酸盐阴离子表面活性剂加量为0.2wt%时，降粘率高达92.1%，抗钙、镁离子能力达800mg/L。

In order to reduce the production cost of aluminum fluoride by wet process ,and to use the local mineral resources,hydrofluoric acid,sulfuric acid and kaolinite were used as raw materials to produce aluminum fluoride by wet process .

为了降低湿法氟化铝的生产成本，同时利用本地的矿产资源，利用氢氟酸、硫酸、高岭土为原料生产湿法氟化铝。

Inorganic, or mineral, acids include sulfuric acid, nitric acid, hydrochloric acid, and phosphoric acid.

酸包括硫酸、硝酸、盐酸和磷酸等无机酸或矿物酸，以及羧酸、磺酸和酚类等有机酸。

Unless otherwise specified, if the amount of the residue so obtained exceeds the limit specified in the individual monograph, repeat the moistening with sulfuric acid, heating and igniting as before, using a 30-minute ignition period, until two consecutive weighings of the residue do not differ by more than 0.5mg or until the percentage of residue complies with the limit in the individual monograph.

除非有其他规定，如果这样得到的残渣数量超过具体的各论中指出的限度，重复此前的以硫酸润湿、加热、灼烧等步骤，灼烧30分钟，直到两次连续残渣称量的重量差不超过0.5mg或者直到残渣的百分比符合具体各论中的要求。

The salzburg vitriol preparation, the sulfuric acid four ammonations coppers preparation and the correlation product nature experiment carries on the conformity, constructs the copper element the synthesis experiment system.

将五水硫酸铜的制备、硫酸四氨合铜的制备及相关产物的性质实验进行整合，构建铜元素的综合实验体系。

The salzburg vitriol preparation, the sulfuric acid four ammonations coppers preparation and the correlation product nature experiment carries on the conformity, constructs the copper element the synthesis experiment system.

生活小百科网：将五水硫酸铜的制备、硫酸四氨合铜的制备及相关产物的性质实验进行整合，构建铜元素的综合实验体系。

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％。