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- nanometer zinc coatings 纳米镀锌层
- Influences of different thermolysis conditions on the grain size of nanometer zinc oxide were studied with SEM. 借助透射电镜(SEM)研究了不同热分解条件对氧化锌粒径的影响规律。
- Only under some circumstances zinc coatings are unsuitable, for example, at high temperatures and in contact with acid or strongly alkaline solution. 只有在某些情况下，锌层才不适用，比如在高温下，与酸液或强碱溶液相接触。
- Nanometer zinc oxide powder has been prepared by direct precipitation method using zinc electrolyte as raw material from a factory in Xiangxi and Na2CO3 as precipitator. 以湘西某电解锌厂的锌电解液为原料,用碳酸钠为沉淀剂,采用直接沉淀法制备纳米氧化锌粉体。
- A new process of producing nanometer zinc oxide by direct precipitation with the raw materials of Zn(Ac)_(2) and NH_(4)HCO_(3) by adding surfactant is introduced. 提供一种以醋酸锌与碳酸氢铵为原料,添加表面活性剂,直接沉淀法制备纳米氧化锌的新工艺。
- The effect of ceria nanoparticles on electrodeposited zinc coatings had been investigated. 研究了纳米氧化铈颗粒对电沉积锌层耐腐蚀性能的影响。
- Ceria nanoparticles promoted preferred orientation of zinc matrix and made the crystal particles of zinc coatings more uniform and dense. 能促使锌镀层晶面产生择优取向,并使锌镀层更致密、更均匀;
- The corrosion resistance of zinc coatings increased with the content of ceria nanoparticles.Moreover, the corrosion resistance of zinc coatings was also de-pended on the ... 在一定范围内增加镀锌液中纳米氧化铈颗粒含量,锌镀层的耐蚀性可随之提高;
- A zinc coating is applied to the steel for rust protection. 镀锌层是用来防止钢铁生锈的。
- Progress of molybdate passivating for zinc coating is stated. 本文综述了国内外镀锌层钼酸盐钝化的研究概况。
- Progress in the studies on nanometer zinc oxide 纳米氧化锌的研究进展
- Progress in the study on nanometer zinc oxide 纳米级氧化锌的研究进展
- EPM A and ICP tests show that Al element are uniformly dispersed in zinc coatings containing A1(OH)3 or Al particles, though aluminium content in the former is 50 ppm and in the latter, 0.15wt%. EPMA和ICP显示含氢氧化铝和含铝粉镀层中的铝呈均匀分布状态;但前者铝的含量为50ppm;后者为0.;15wt%25。
- Y-bearing with zinc coated bearing rings and special non-toxic grease. Y-轴承,带镀锌轴承圈和特种无毒性油脂。
- Y-bearing with zinc coated bearing rings and zinc coated locking collar. Y-轴承,带镀锌轴承圈和镀锌锁定环。
- A chromium-free colorful passivation technology for zinc coating was developed. 研究了用于锌镀层彩色钝化的无铬钝化液最佳配方及工艺。
- Abstract: The influence factors,such as the composition of base sheet and galvanizing liquid,the strip surface condition,the temperature of galvanizing and sheet entering zinc pot,on the performances of zinc coat are described. 文摘:论述了热镀锌原板化学成分、带钢表面状态、锌液成分、锌液温度和带钢入锌锅温度对热镀锌钢板镀层性能及表面状态的影响。
- This paper analyzes the main effects of process on sherardizing of iron-base powder metallurgic parts,researches properties of zinc coat and make choice of useful technolgi- cal parameter. 本文分析研究了铁基粉末冶金件固体粉末法渗锌工艺的主要影响因素以及渗层的性能,优选出了切实可行的工艺参数。
- I got a new coat in that store last week. 上礼拜我在那家店买了一件新外套。
- Effects of nanometer zinc oxide on immune function in mice 纳米氧化锌对小鼠免疫功能的影响
