镍的
- 与 镍的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Moreover, the effect mechanism of electroless plating nickel brightener on nickel deposition and the effect of phosphorus content on corrosion property of electroless plating black nickel were discussed in this paper.
同时,为了使所获得的镀层在工业中得到广泛的应用,又对化学镀镍光亮剂的作用机理及不同磷的含量对黑镍镀层耐腐性的影响进行了深入的研究。
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Nickel wires with a diameter of approximately 250 nm had single-domain structure,while unique core-shell cylindrical domain structures were found in wires with a diameter of 2μm.
MFM观测结果表明,直径250 nm的镍纳米线拥有单磁畴结构;而直径2μm的镍线的磁力图呈现的是新颖的核—壳圆柱形磁畴。
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It is concluded that mixture of deoxidant elements, reduction of oxygen and hydrogen source and improvement of escaping condition of oxygen from surfaced layers can prevent surfaced layers of copper-nickel alloy from producing gas holes efficiently.
本文分析了铜镍合金堆焊时所产生的气孔的主要原因及影响因素,认为粉末中脱氧元素的加入;减少氢、氧的来源;改善氢、氧从堆焊层中的逸出条件可有效防止铜镍合金堆焊层中气孔的产生。
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According to IS theory as well as die bond requirement in reality, Au/In was chosen by virtue of appropriate equilibrium diagram and high reaction rate from a variety of binary alloy systems as die bond media. To match CET of chip material of silicon, alloy 42 (Iron-Nickel) rather than copper—2 kinds of lead-frame materials in most common usage, was selected as substrate.
根据等温凝固原理和芯片焊接的实际需要,从多组二元合金中选出了共熔点低、反应速度快的金和铟作为焊接材料;并以硅片作为芯片,从目前最常用的框架材料—铜和铁镍四十二合金中,选出了与硅的热膨胀系数相近的铁镍四十二合金作为衬底材料。
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The experimental and analytical results demonstrated that the ceramsite could be prepared by sintering the seabeach sludge containing 30% electroplating sludge at 1200℃.
试验和分析结果表明,海滩淤泥中掺加30%电镀污泥可以在1200℃烧成陶粒,其铜、锌的固化率达到100%,镍、铬的固化率与浸出液的种类有关,重金属的固化率按铜、镍、铬的顺序降低。
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The invention relates to a way to prepare nickel, manganum and cobalt hydroxide. The method includes making the mixed solution a coprecipitate with mixed solution B in base solution C. The mixed solution A contains nickel salt, manganese salt and cobalt salt, the mixed solution B is a strong base solution, the base solution C is aqueous ammonia solution. The solution A also contains ammonium salt while solution B also contains aqueous ammonia; besides, after being mixed, the molarity of ammonia in solution A and solution B is the same with that in solution C.
一种镍锰钴氢氧化物沉淀的制备方法,该方法包括将混合液A和混合液B在底液C中进行共沉淀反应,所述混合液A中含有镍盐、锰盐、钴盐,所述混合液B为强碱溶液,所述底液C为氨水溶液,其中,所述混合液A中还含有铵盐,混合液B中还含有氨水,并且参于等当量反应的混合液A中的铵盐与混合液B中的氨水在混合液A和混合液B混合后氨的摩尔浓度与底液C中氨的摩尔浓度相等。
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The letter asked.there are very large contracts already let to Raibus, the locally owned business development company, to perform almost all janitorial, security, catering and other support functions.the technocrats we need cost money to bring to Papua New Guinea, and we only bring as many as the project needs at this crucial stage of the construction and development schedule.
镍矿把一个非常大的合同已经承包给当地的一家企业发展公司,以执行几乎所有的门卫、保安、餐饮和其他后勤功能。关于技术骨干,镍矿只会在这个项目的建设和发展的关键阶段才引进,需要时间。
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Reducing agent carbon reduces oxide of cobalt, nickel and iron,and sulfuring agent Fe_2S forms trickles of matte at high temperature, inthe process of assembling and settling of trickles of matte slag is washed,reduced metals of iron, cobalt and nickel and sulphide in slag are enrichedin the matte to form cobalt matte and be separated from slag due to theirintimity to the matte, washing of the matte and their settling.
在高温下,还原剂碳将钴、镍、铁氧化物还原成金属,同时硫化剂硫铁矿形成锍滴,在锍滴聚集沉降过程中对炉渣进行&洗涤&,由于金属及金属硫化矿的亲锍性,锍体的&洗涤&作用及金属及金属硫化矿的沉降作用使被还原的钴、镍、铁金属及转炉渣中的金属硫化矿富集到锍体中,与转炉渣分离,形成钴冰铜。
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Optimal pretreatment conditions of electroless nickel plating for magnesium were decided by many experiments. Phosphoric acid technology was used to instead of acid processing by chromium trioxide and ferric chloride, and excellent coating was obtained by using dipped zinc, cyanide copper, nickel as medium.
通过多次试验确定了镁及镁合金的前处理方案,以磷酸洗的方法代替传统的铬酐加三氯化铁酸洗浸蚀的前处理工艺,配置简单,操作方便,以浸锌层、氰化铜层和中性镍层作为化学镀中间层,得到了结合力良好的化学镀镍层,获得了镁合金表面处理的新突破。
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Thermoelectric EMF of 42 pVPC for the standard "Alloy 180" Nichrome junction of an ordinary wirewound resistor. If a resistor is chosen with the copper nichrome junction the value is 2.5 pVPC.
对于普通的绕线电阻,热偶由& Alloy 180合金&与镍铬铁合金构成,具有42uV/℃的热偶电动势;价格稍高些的铜线电阻,其热偶由铜与镍铬铁合金构成,具有2.5uV/℃的热偶电动势。
- 推荐网络例句
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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。
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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。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。