The lead concentration in Pb-Sn alloy plating bath was determined by standard additional atomic ab-sorption spectrometry, and the optimal determination conditions were obtained. 采用标准加入原子吸收分光光度法测定铅锡合金锭液中铅的浓度,试验确定了最佳的测定条件。
Lead in the plating layer of high voltage diodes on the basis of a zinc borate glass body. 以硼酸锌玻璃体为基础的高压二极管的电镀层的铅;
Through-thickness cracking also can lead to fatigue or stress corrosion cracking of the base metal beneath the plating. 还会形成穿透型裂纹,造成镀层下本体金属的疲劳或应力腐蚀裂纹。
The Potential Adjustment of an Additive in an Acid Tin& Lead Plating Bath 添加剂在酸性铅锡合金镀槽中的电位调节作用
After extraction separation of gold by MIBK, lead, copper, iron, nickel in gold plating bath were determined by inductively coupled plasma-atomic emission spectrometry ( ICP-AES). 研究了甲基异丁基酮(MIBK)萃取分离金,用电感耦合等离子体原子发射光谱法(ICPAES)测定镀金液中杂质元素的新方法。
The Quality of lead frame plating layer directly affects the solderability of tantalum capacitor, so its measuring methods are very important. 引线框架电镀层的质量直接影响着钽电容器的可焊性,所以引线框架电镀层质量的测定方法至关重要。
Technology of Alkaline Tartarate Lead Plating on Plastics Substrate 塑料基体酒石酸盐镀铅工艺
The optimal process conditions of electroless lead plating on the surface of polyacrylonitrile fiber matrix are studied. 为了探求以聚丙烯腈纤维为基体化学镀铅最佳工艺条件。
Determination of boric acid in fluoborate lead plating baths 氟硼酸铅镀液中硼酸的测定
Lead-free and cadmium-free bright electroless nickel plating 无铅无镉光亮化学镀镍
Study on the determination of lead, copper, iron, nickel in gold plating bath by ICP-AES after separating matrix 基体分离-ICP-AES法测定镀金液中铅、铜、铁、镍的研究
Determination of tin and lead content in fluoborate tin-lead alloy plating baths 氟硼酸盐锡铅合金镀液中锡、铅含量的测定
Process Condition Selection of Electroless Lead Plating on the Surface of Polyacrylonitrile Fiber 聚丙烯腈纤维化学镀铅工艺条件的选择
For a given limited lead fatigue strength value, the permited thickness of nickel coating of multiwave current plating is about one time larger than that of direct current plating, and the corrosion resistence is greatly improved. 多波形电流镀镍层的引线抗疲劳强度所允许的镀层厚度比直流镀层成倍增加,从而提高了外壳的抗腐蚀性能。
Due to the expensive cost of lead fluoborate, the author tries to explore a practical feasible process of Pb plating with Pb ( Ac)_2 · 3H_2O as main salt. 为了解决氟硼酸铅价格昂贵的问题,本文试图用Pb(Ac)2·3H2O为主盐,探索出一个实际可行的配方及工艺。
Effects of lead and illumination on black patina of zinc plating 铅与光照对镀锌层黑变的影响
Tin Lead Alloy Plating 印制板与无铅化无铅覆铜板电镀锡铅合金
Application of Lead Alloy Soft Plating to Bearing Shell and Its Characteristic Analysis 铅合金软镀层在轴瓦上的应用及其特性分析
Tin Lead Plating with Methylsulfonate 甲基磺酸盐电镀锡铅合金
Determination of Lead Concentration in Pb-Sn Alloy Plating Bath by Standard Additional Method of Atomic Absorption Spectrometry 用标准加入原子吸收分光光度法测定铅锡合金镀液中铅的浓度
Increase in Al content lead to skip plating and decrease in the surface quality, orthogonal experiment was used to develop flux applicable to the Al-RE-Zn alloy coating. 根据A1含量增高导致镀层易出现漏镀缺陷以及表面质量降低的情况,利用正交试验方法开发出适用于本课题研发的合金镀层的助镀剂。