查询词典 sulfuric acid

On the basis of NCIDI-designed fire-tube boilers and their operation,and through analysis and comparison, the paper proposes the suitable type of fire-tube boiler for large-size high-parameter sulfur-based sulfuric acid production,and summarizes key points for structural design of critical components.

由于硫磺制酸的炉气清洁无尘，比较适合采用火管锅炉，再加上火管锅炉结构简单、操作方便、运行可靠、运行费用低，特别是中小型火管锅炉的投资比水管锅炉省等优点，所以最近几年来火管锅炉在硫磺制酸上的应用有了长足的发展。

The main products of a furnace, lime kiln, gas stoves, smelting, sulfuric acid, flotation, oxidative desulfurization, airway, sewage treatment, Low Noise dust, lasers, air conditioning, ventilation oil depots, grain storage ventilation, food delivery, Coke oven gas, boilers, sintering, Low Noise ventilation series of general-purpose and high temperature, anti-corrosion, explosion-proof, wear-resistant series of special purpose fan, also based on user needs and the design and manufacture the necessary parameters for the fan.

主要产品有化铁炉、石灰窑、造气炉、冶炼、硫酸、浮选、氧化脱硫、气道、污水处理、低噪除尘、激光、空调、油库通风、粮库通风、粮食输送、焦炉煤气、锅炉、烧结、低噪通风等系列一般用途和高温、防腐、防爆、耐磨等系列特殊用途风机，亦可根据用户需要设计制造所需参数及用途的风机。

Every one of you must pay attention. Even the small stalk of grass in my hand contains sulfuric acid. Don't carelessly touch anything in this area.

各位要注意，连我手上这株小草都有硫酸的成分，在这里不要随意碰触任何东西。

A simple, fast and selective spectrophotometric method for the determination of trace nitrate ion in uranium dioxide was developed, based on the fade of indigo carmine with nitrate ion in sulfuric acid medium.

基于硝酸根离子对靛蓝二磺酸钠的褪色反应，建立了一个简单、快速、选择性好的二氧化铀产品中硝酸根离子的测定方法。

Sulfuric acid concentration and impurity iron ions, chloride content on copper coating quality solution will have significant impact, in particular, management should be.

硫酸浓度、杂质铁离子、氯离子的含量差铜层的质量感化较不小，溶液处置答予不入格的鄙薄。

The mainly use of sulphide iron ore resources is to be fired to sulfuric acid in the past.

过去对硫铁矿资源的利用主要是烧制硫酸，烧渣因含铁低、含硫和其他杂质高而不能被有效利用。

Our country has large-volume production of sulfuric acid, so there are several millions even kilobits tons of pyrite cinder produced every year.

我国是硫酸生产大国，每年产生数百万乃至千万吨烧渣，若能回收其中80％的铁，效益已十分可观。

The leaching ratio of copper from the copper slag, roasted at 680℃ for 4 hours, attains approximately 92% under the conditions of 2 mol/L sulfuric acid leaching for 2 hours at 70℃.

在680℃焙烧4h后，采用2mol/L硫酸于70℃浸出2h后可以达到良好的浸出效果，使铜的浸出率达到92%以上。

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 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