查询词典 lead-antimony-tin alloy

Synthesizing and processing technics ; free-lead solder alloy ; solidus temperature ; spreading property

材料合成与加工艺；无铅焊锡合金；熔点；铺展性

In conclusion , a kind of innoxious lead-free solder with better wettability , good mechanical properties and low costs is obtained finally, by alloying method which can improve the properties of the soldering alloy.

总之，通过合金化的方法来改善无铅钎料合金的性能，最终得到一种无毒

The authors studied the effects of the following factors on initial starting performance of dry-charged batteries:grid alloy composition,physico-chemical performance of leady oxide ;acid volume in paste,lead paste;pasting and curing of green plates.

作者通过一系列试验，从合金配方、铅粉理化性能、铅膏加酸量、涂板方式及生极板的固化对干荷电铅蓄电池的首次起动性能的影响进行了研究。

As the steel carbon and alloy elements working together to make it extremely easy to lead in the welding hardened organization, welding poor performance should be this, pearlitic heat-resistant steel in general preheating before welding, after welding tempered.

由于钢中碳和合金元素的共同作用，使其在焊接时极易形成淬硬组织，焊接性能较差，应此，珠光体耐热钢一般焊前进行预热，焊后进行回火处理。

This paper studies the structure and properties of the lead frame c194 As-cast copper alloy producted by using different processes.

研究了工业化不同生产试验批次的C194铜合金引线框架材料铸态组织和性能。

The plate is with the structure of big grid and block, and is made of special alloy through special process of quadribasic lead sulfate, which improves specific energy of the battery and prolongs the cycle service life.

极板采用矩形大网格分块结构、专有的4BS形成技术，提高了电池比能量，延长了循环使用寿命。

The primary object of the present invention is to provide a substantially lead free alloy that is press quenchable.

本发明的主要目的是提供可模压淬火的基本不含铅的合金。

The Company has been established for 20 years, and is continuously specialized in precise galvanization, coupling and lead frame galvanization, printed wiring board galvanization, hardware galvanization, nickel cobalt alloy electrolytic casting, profession products, and aluminum material surface treatment etc. Products include thionamic nickel sulfamate, cobalt sulfamate, nickel carbonate basic, cobalt carbonate basic, nickel acetate, and cobalt acetate etc.

公司成立20年来，一直为精密电镀、连接器与引线框架电镀、印刷电路板电镀、五金电镀、镍钴合金电铸、铝材表面处理等行业产品提供高品质的氨基磺酸镍、氨基磺酸钴、碱式碳酸镍、碱式碳酸钴、醋酸镍、醋酸钴等产品。

The aluminum for light-grid material in lead-acid batteries was electroplated with Pb-Sn alloy from sulphamate bath,and the opitimum technology condition and electrolyte composition were determined.

利用氨基磺酸盐镀液在铝合金基体上电镀铅-锡合金作为铅酸蓄电池的轻型板栅材料，确定了最佳电镀工艺条件和镀液配方。

Through analysis,the failure reason was confirmed as that the low cycle fatigue caused by plastic deformation occurred in the lead alloy,thus the fracture occurred.

分析其失效原因为铅合金在外力作用下，产生塑性变形引起的低周疲劳，造成断裂。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新