lead-free

If not all components are lead-free the Pb concentration will increase rapidly .

如果不是所有的元件都是无铅的，则铅浓度将会快速上升。

If the petrol used in motor vehicles were lead-free , then it would be possible to filter exhaust fumes which are a major cause of pollution .

如果机动车使用的汽油是无铅的，那么，我们将有可能过滤掉那些引起污染的废气。

Research development of high temperature lead-free solders for electronic assembly

电子组装用高温无铅钎料的研究进展

Research and development trend of lead-free solder alloy at home and abroad

无铅软钎料国内外的研究动态与发展趋势

These results provide guidance for development lead-free piezoelectric ceramics with high properties .

这些结果对开发高性能的铌酸钾钠基无铅压电陶瓷具有一定的指导意义。

Analyze the effect of Lead-free to the domestic Ceramic Filter production .

最后分析了无铅化生产对国内陶瓷滤波器的影响。

The present situation of lead-free system in electronic packaging

电子封装无铅化现状

Development of a High Performance Lead-Free Wave Solder Alloy

开发高性能的无铅波峰焊料合金

The Application of Orthogonal Experiment to the Composition Design of Lead-free Brass

正交试验法在无铅黄铜成分设计中的应用

Studies on New Lead-Free Piezoelectric Ceramics and Their Applications in Filters

新型无铅压电陶瓷及其在滤波器上的应用研究

Mechanical Test and Analysis on the Reliability of Lead-Free BGA Packaging

无铅BGA封装可靠性的力学试验与分析

So study lead-free solder paste in the electronic application package is important .

因此研究无铅锡膏在电子封装中的应用具有重要意义。

Soldering technology for Lead-free and problems in its application

无铅焊接技术及其在应用中存在的问题

Development of Sintering Alloy Steel Valve Seat for lead-free Petrol Engine

无铅汽油发动机高性能烧结合金钢气门座的研制

Progress of lead-free solder is presented in this paper .

本文就无铅焊料的发展进行论述。

Research and progress of lead-free piezoelectric ceramics prepared by the grain orientation technique

晶粒定向技术制备无铅压电陶瓷的研究现状与进展

Studies on preparation and applications of lead-free piezoelectric ceramic films

无铅压电陶瓷薄膜的制备及应用研究

Process of lead-free preserved eggs by gradient temperature control

梯度控温腌制无铅皮蛋工艺

Impact of Lead-Free Solder on the Result of Soldering Resistance Test

采用无铅焊料对测覆铜板耐浸焊结果的影响

Current Status and Trends in Research of Lead-free Solders in Electronics

电子产品用无铅焊料的研究现状和趋势

New lead-free solders have been used in industry .

新型的无铅钎料已在工业生产中得到了应用，但在性能上仍存在着不足。

Research and Application of Lead-free Passivation Glass Materials

无铅钝化玻璃材料的研制与应用

Finally we introduce some contents about the reliability ensure for the lead-free products .

最后介绍了一些有关最新的无铅产品的可靠性保证方面的内容。

In many sectors of the electronic industry , lead-free assembly seems inevitable .

对许多电子工业部门来说，无铅集成将是必然趋势。

Research of the Lead-free High Performance BaTiO_3 Based PTC Ceramic Powder with Sol-Gel Method

溶胶-凝胶法制备无铅纳米BaTiO3基PTC陶瓷粉体的研究

Research Progress and Development Tendency of Tin-based Lead-free Electronic Solder

锡基无铅电子焊料的研究进展与发展趋势

Effect of Lead-Free Soldering Technology on the Reliability of PCB

无铅焊接技术对印制电路板可靠性的影响

Relationship Between Quality and Capability of Lead-free Solder Powder

无铅焊锡微粉雾化量与性能的关系

Comparative Study on Lead Exposure Among Children in Urban and Rural Area After Application of Lead-free Gasoline

使用无铅汽油后城乡儿童铅暴露的比较

The present situations and applications of Lead-free soldering technology

无铅焊接技术的现状与应用