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1·Then which solder is best fit for this model and the influence on fatigue of solder are known, when free-lead solder is used.

随后得出了不同焊料在此模型中的适用性及无铅工艺对焊点可靠度的部分影响。

2·Lead and its compounds may be found in products such as batteries, lead - based paints, lead - containing ceramics, lead solder and leaded petrol.

铅及其化合物可使用于电池油漆陶瓷铅锡焊接及汽油的添加剂上。

3·The results show that the free-lead solder powder is best in the efficient atomization efficiency, size distribution and degree of sphericity with helium as the atomizing medium.

结果表明：在一定雾化条件下，氦气雾化粉末具有最高的有效雾化率、良好的粒度分布，且球形度最好；

4·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。

5·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；

6·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。

7·Components required to be mounted off the board are provided with lead forms at the board surface or other mechanical support to prevent lifting of solder land.

需要离开线路板安装的组件在线路板表面利用引脚形状或其它机械支撑来防止焊盘的翘起。

8·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。

9·Lead-free solder bar is one kind of environmental-friendly product with good stability.

无铅锡条是一种环保型，稳定性很好的产品。

10·Lead-free solder wire is one kind of environmental-friendly product with good stability.

无铅锡线是一种环保型，稳定性很好的产品。