In this paper both lead borate sealing glasses and lead free phosphate sealing glasses are studied.
本文研究了含铅的硼酸盐封接玻璃和无铅磷酸盐封接玻璃。
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。
In the course of the lead free reflow soldering, lead and lead free of reflow soldering affect the quality of product.
在再流焊无铅化过程中，再流焊的有铅要素与无铅要素的兼容性直接影响产品质量。
In addition, the lead free gasoline is being used in the engine, so vavle seat insert (VSI) must be made by scpecial materials.
燃料改用无铅汽油以后，阀座部分必须用特种材料制造的镶圈来补强，这种镶圈就是通常所谓的阀座圈。
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。
Older homes may have lead pipes, but even new plumbing that's lead free can still contain lead in brass fitting or faucets or in copper pipes with soldered joints.
旧的家庭用的是铅管，但是即使是新的无铅水管装置在焊接接头的铜管件或水龙头或铜管中也含有铅。
The research on element interdiffusion, reaction and microstructure at the interface of solder joints is vital to the study of lead free solder joints reliability.
因此钎焊过程和服役过程中界面的反应、扩散以及界面的微观组织对当前无铝钎料可靠性研究具有重大意义。
The forward compatibility backward compatibility tin whisker voids micro-voids and surface finishes were emphasized and how to avoid the lead free transfer problems were reviewed.
重点论述了前向兼容与后向兼容、锡须、空洞与微空洞、可焊性涂层以及如何避免无铅转移中出现的问题。
With the improved living conditions, people lead a stable and trouble-free life.
随着生活条件的改善，人们过上了稳定的、没有烦恼的生活。
Rhenium is used to make high-temperature alloys for jet engine parts and in high-octane, lead-free gasoline.
铼可以用来制造喷气式发动机的耐高温合金部件，也是高能量的无铅汽油的成分。
Each sculptural planter is made-to-order with handmade glass and lead-free solder and comes with everything you need but the plants.
每个艺术花盆都是定制的。它们由手工制作的玻璃和无铅焊料接合而成，交付使用时，万事俱备，只欠花卉。
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。
Research progress of lead-free solder, invalidation models of solder joint, solder joint reliability evaluation and the defects of solder joints in recent years have been reviewed.
笔者就近年来国内外开发的无铅焊料、焊点的失效模式、焊点可靠性评价方法和焊点的主要缺陷进行了综述；
Having optimized preheat temperatures, solder pot temperatures, and flux volume, the conveyor speed may have to be reduced to accommodate the solder wetting when using lead-free solder.
对预热温度、焊料槽温度和焊剂体积进行优化后，还可将传送带速度降低，以适应使用无铅焊料时的熔湿速度。
It is unavoidable that lead-free solders are applied in SMT field in view of the environmental protection and the competitive motivation.
无论是环境的要求还是作为竞争的筹码，无铅钎料在表面组装领域中的应用已经是不可回避。
The solder alloys especially the lead-free solder alloys become the focus of study because of the quick development of the microelectronics and the surface mount technology (SMT).
随着微电子表面组装技术的迅猛发展，软钎料尤其是无铅钎料逐渐成为研究的焦点。
In combination of our recent results, the current status and prospect on lead-free solders has been introduced in detail.
结合我们的研究成果，详细介绍了无铅钎料开发的现状及前景。
In combination of the recent results, the current status and prospect on lead-free solders has been introduced in detail.
结合目前的研究成果，详细介绍了无铅钎料开发的现状及前景。
Therefore, a lot of problem arises as more and more Lead-Free Soldering takes place.
因此，越来越多的无铅焊锡出现了很多问题。
You should not have to change your stencil design to accommodate the change to lead-free.
您不需要为更换无铅锡膏而更改钢板设计。
Through the strict implementation of lead-free technology, we will continue to improve our product quality and continue to meet customer demand.
通过严格执行无铅工艺，我们将持续提高我们的产品品质，一如既往地满足客户的需求。
Central Plains region is the most experience and strength of the manufacturers of lead-free wave soldering.
兴中原公司是东南亚地区最具经验与实力的无铅波峰焊制造商之一。
In order to predict failure location of BGA lead-free solder joints under a drop impact, ABAQUS software is used to analysis stress distribution of the solder joints.
为了预测跌落碰撞下球栅阵列(BGA)封装中无铅焊点的失效，采用ABAQUS软件来模拟跌落碰撞过程中焊点的应力分布。
Nitrogen Protection is used in practical industry because of poor wettability of lead-free solder.
由于无铅钎料润湿性较差，在实际生产中普遍采用氮气保护。
Thermal fatigue life of lead-free solder joint of Air-conditioner PCB (Printed Circuit Board) under the form of THT (Through Hole Technology) is studied.
本文对空调器印刷电路板(PCB)通孔插装形式无铅焊点的热疲劳寿命进行了研究。
The piezoelectric and ferroelectric properties of the related systems are summarized. The preparation and the design of BNT-based lead-free piezoelectric ceramics are also introduced.
综述了BNT基无铅压电陶瓷的研究现状，讨论了相关体系的设计方法、铁电性、压电性以及BNT体系的制备方法。
In the industry is the most modern of technology, the most powerful professional equipment manufacturers of lead-free.
在业界是最具现代之科技、最有实力的专业无铅设备生产商之一。
In the industry is the most modern of technology, the most powerful professional equipment manufacturers of lead-free.
在业界是最具现代之科技、最有实力的专业无铅设备生产商之一。
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