查询词典 chemical lead

Antimonial lead is preferable to chemical lead because of its greater corrosion resistance and strength.

含锑的铅较化工铅好些，由于它有更好的抗蚀性及强度。

The paper introduced the method and the theory of Lead Sulfide film preparation——Chemical Deposition and analyzed the reason of outshoot cling to the surface of Lead Sulfide film during the process of chemical deposition .

本文介绍了PbS薄膜常用化学沉淀的制备方法及原理，深入分析了基片沉淀过程中表面出现突出物现象的原因，薄膜基片电镜分析以及改善PbS基片表面均匀性的工艺方法。

Chemical mechanism on formation of secondary organic aerosols involves in photooxidation process of volatile organic compounds and subsequent chemical reaction, which directly lead to increase of ozone concentration and to formation of secondary organic aerosol in troposphere.

二次有机气溶胶形成的化学机理主要涉及到挥发性有机化合物的光氧化过程及其一系列的后续反应，它们导致了对流层中臭氧浓度的增加和二次有机气溶胶的形成。

With the rapid development of industries,more and more complicated chemical is used,which lead to creasing waste water,there are a lot kind of harmful chemical materials contained in waste water.

快速发展的工业越来越多地采用各种复杂的化学方法，从而使废水大量增多，而很多废水中含有种种有害的化学物质。

Through thermodynamic calculation and electrochemical analysis of multiple redox reactions on the minerals of galena, sphalerite and pyrite in different system, it could be found that pulp chemical environment in which hydrophobe of collectorless flotation produced was beneficial to reduce collector dosage in existing flotation system; electrochemical analysis on sphalerite had been engaged; and pulp chemical environment of OPF for lead-zinc-iron sulfide minerals and relevant selective measure for collector and modifer were established.

通过对方铅矿、闪锌矿、黄铁矿在水体系、调整剂体系、捕收剂体系中由局部电池造成的多种氧化—还原反应的热力学分析和电化学测试，补充和完善了铅锌铁硫化矿浮选电化学理论。提出了矿物表面无捕收剂疏水体生成的矿浆化学环境有利于降低现有浮选体系中捕收剂用量的观点；成功地进行了闪锌矿的电

The nickelous chloride both may use in to galvanize, and is prepares the galvanization chemical thionamic acid nickel the important raw material, lead is affects the electronickelling quality a important attribute, in the present industry 331 ion exchange resin deleading effect still could not arrive in the electronickelling the lead content standard, used pocket weak basicity resin XSC312 after the screening experiment determination to take from the nickelous chloride solution intermediate ion exchange except the micro lead resin, inspected the material fluid pH value, the contact duration in the ionic exchange column to the ionic exchange adsorption lead influence, has determined the resin adsorption capacity and inspected the resin analysis performance.

氯化镍既可用于电镀，又是制备电镀化学品氨基磺酸镍的重要原料，其中的铅是影响电镀镍质量的一个重要因素，现行工业中的331离子交换树脂除铅效果尚不能到电镀镍中铅含量标准，经过筛选试验确定采用大孔弱碱性树脂XSC312作为从氯化镍溶液中离子交换除微量铅树脂，在离子交换柱中考察了料液pH值、接触时间对离子交换吸附铅的影响，测出了树脂的吸附容量并考察了树脂的解析性能。

"We found that unconventional metal hydrides can be used for a chemical process called oxygen reduction, which is an essential part of the process of making water," said Zachariah Heiden, a doctoral student and lead author of a paper accepted for publication in the Journal of the American Chemical Society.

科学家们已经发现一个新的制取水的方法，能从根本上减少绿色科技的造价。伊利诺伊州大学的研究者公开了这个从一些未必可行的启动材料，，例如酒精中制取水的方法。他们希望他们的发现能早就更好的催化剂和更便宜的燃料电池。

Is located in the Pearl River Delta town of Shunde Coating DULES of chemical is a chemical production as the basis, as the lead paint industry, science, industry and trade combination of large-scale joint-stock company, is dedicated to the research, the production of high-grade furniture, paint, floor paint, decoration paint, premium all-purpose adhesive, interior and exterior wall latex paint, distempers Mastics professional manufacturers.

位于珠江三角洲涂料之乡顺德的DULES化工是一家以化工生产为基础，以涂料行业为龙头，科、工、贸相结合的大型股份制企业，是致力于研究、生产高档家具漆、地板漆、装修漆、特级万能胶、内外墙乳胶漆、硝基漆的专业生产厂家。

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。

The effects of some physical chemical properties of soil and variety forms of lead on accumulation in Houttuynia cordata Thurib were discussed, the effects of lead on growth and physio-biochemical characteristics were discussed, and the absorption and tolerance of lead in Houttuynia cordata Thunb were studied especially by Filed Survey, Analysis Sampling, Pot Experiment and Hydroponic Experiment.

通过野外调查及采样分析、土培试验和水培试验，本文探讨了土壤理化性质和土壤不同铅形态对鱼腥草吸收累积铅的影响，铅处理对鱼腥草生长及生理生化特性的影响，以及鱼腥草对铅的吸收特性和耐性。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。