free silver的例句大全

The lead free silver conducting pastes were prepared by using silver powder, lead free low-melting glass and terpineol ethyl cellulose solution.

以银粉、低熔无铅玻璃和乙基纤维素松油醇溶液制备了无铅银导电浆料。

Study on the Thiosulfate Cyanide-free Silver Pulse Plating Process

硫代硫酸盐无氰脉冲镀银工艺研究

By evaluating the quality of coating under different current densities and pH values, an optimal sodium thiosulphate cyanide-free silver plating process is acquired.

通过改变阴极电流密度、pH值，考察对银镀层质量的影响，得到最佳的硫代硫酸钠无氰镀银工艺。

Study on Separation of Carrier-free Silver-111 from Irradiated Palladium by Macroporous Anion Exchange Resin

用大孔强碱型阴离子交换树脂从反应堆照射钯中分离无载体银-111

technology and status quo of cyanide-free silver plating technique

无氰镀银的工艺与技术现状

A cyanide free silver electroplating process with 5, 5-dimethyl hydantoin as coordination agent is studied.

研究了5, 5- 二甲基乙内酰脲为配位剂的无氰镀银工艺.

Basic principle and technology of the cyanide free silver brush plating on copper substrates are researched.

探讨了铜基无氰电刷镀银的基本原理和施镀工艺.

A method is proposed to determine free native silver and free silver sulphide in lead-zinc concentrate.

拟定了分离测定铅锌精矿中游离硫化银和游离自然银的方法.

Development process and status guo of cyanide free silver plating technology were introduced.

介绍了无氰镀银的发展过程和技术现状.

The process of cyanide free silver pulse electroplating is investigated in 5, 5-dimethyl hydantoin ( DMH ) bath.

研究了5, 5- 二甲基乙内酰脲 ( DMH ) 无氰脉冲镀银工艺.

Only two million points for a free silver fondue set!

两百万点就可以免费换得一套银制火锅组!

Ten typical formulas and some kinds of additives used for cyanide-free silver plating were introduced.

综述了十种典型的无氰镀银工艺配方和无氰镀银所采用的添加剂类型.

A cyanide-free silver electroplating process with 5,5-dimethyl hydantoin as coordination agent is studied.

研究了5,5-二甲基乙内酰脲为配位剂的无氰镀银工艺。

the gold medals are free from mercury, the silver and bronze medals are made from 30% recycled materials, and half of the plastic in their ribbons is from recycled plastic bottles.

金牌不含汞，银牌和铜牌所用的材料有30%是再生材料，奖牌绶带所用的塑料有一半来自回收的塑料瓶。

In this paper, ion exchange equilibrium isotherms for natural mordenite ( Jinyun Xian, Zhejiang province) and synthetic mordenite in ammonium-potassium and ammonium-silver systems along with the calculated thermodynamic equilibrium constant and Gibb's free energy change ⊿ G ° are presented.

测定了NH4~+-K~+、NH4~+-Ag~+两个体系在浙江省缙云县岱石口的天然丝光沸石和合成丝光沸石上的离子交换平衡等温线，并计算出其热力学平衡常数Ka和标准自由能变化△G~0。

Electrolytic gold , ENIG, immersion tin, immersion silver, OSP & Lead Free HASL are already in production.

已投产无铅工艺有电金、沉金 、 沉锡 、 沉银 、 有机保护膜 及 无铅喷锡.

The skeleton of a silver fox consists of skull, and bones of trunk and free members.

银黑狐的骨胳由头骨、躯干骨和四肢骨组成.

He also won a silver medal in free pistol two days ago.

两天前,他还摘取了自选手枪射击的银牌.

By microwave absorption and phase-sensitive measure technique, the decay behaviors of photoelectrons in the sulfur-sensitized silver halide emulsion have been measured, and the time-resolved spectrum of free-electrons and shallow-trapped electrons have been obtained.

本文利用微波吸收相敏技术检测了硫增感条件下的卤化银光电子衰减行为，同步获得了硫增感乳剂的自由光电子和浅束缚光电子的时间分辨谱信号。

Inactivity sites of viruses by copper and silver ions with free chlorine

铜银离子协同游离氯灭活病毒的作用部位