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。
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
Cooling Behaviors of High Carbon Steel Wires in the Lead Bath and CMC Solutions 高碳钢钢丝在铅浴和CMC水溶液中的冷却行为
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 Reason and Prevention of Lead Adhering to Steel Wire in Lead Bath 铅浴时钢丝挂铅原因及防止方法
The results show that under the active of electric current pulse the lead bath quenching used commonly in the medium and high carbon wire rod steel can be completely replaced by the treatment technology of oil quenching and tempering. 结果表明;在脉冲电流的作用下,用油淬+回火的处理工艺完全可以取代中高碳盘条钢常用的铅浴淬火。
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
A Study on the Effect of External Magnetic Field on the Electrodeposition of Lead from Sulphamate Bath 外加磁场对氨基磺酸镀液中铅电沉积影响的研究
Evolution of tin-lead alloy bath formulations 锡铅合金镀液配方的演变
The cooling process of 0.70% carbon steel wires upon patenting in lead bath and CMC ( Carboxyl Methyl Cellulose) aqueous solutions was measured respectively with the steel wire probes. 利用钢丝探头分别测量了含碳0.70%的钢丝在铅浴和CMC水溶液中的冷却过程。
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
Inclusion of these samples will lead us to overestimate the extent of accounting conservatism or make wrong judgment(" big bath "earnings management is regarded as accounting conservatism). 若不剔除,可能会将高估会计稳健程度,甚至错误判断会计稳健性质(将洗大澡盈余管理当作会计稳健)。