铅的熔点比其他一些金属低。
Lead will fuse at a lower temperature than some other metals.
概述了低熔点和高熔点型无铅焊膏的开发动向。
This paper describes the development trend of low melting point and high melting point type Lead-free solder paste.
目的探讨低熔点铅不规则档块技术在鼻咽癌放疗中的临床价值。
Objective To evaluate the radiotherapy effects on nasopharyngeal carcinoma with low-melting-point lead irregular shield technique.
添加铅使那种合金易于铸造，但合金的熔点有所降低。
Adding lead makes the alloy easier to cast because the melting point is reduced and the fluidity is increased.
本文采用烟化法处理此类炉渣。通过选择合适的渣型，降低了炼铅炉渣的熔点。
The fuming process was applied to treat the slag, and the smelting point could be lowered by selecting suitable slag system.
目的：检验低熔点铅挡块的制作是否符合常规放射治疗的要求及其质量保证和质量控制的方法。
Objective To detect whether the make of the low melting-point lead block coincides with the request of routine radiation treatment and check the quality control of this method.
但在废钢的循环使用过程中，不可避免地将铅等低熔点金属带入到炼钢炉中。
However, during the period of circulation use of scrap steel, it causes the content increase unceasingly of the low melting point metallic elements such as Pb in the steel.
本发明无铅高温焊料的优点为：熔点较高、机械性能好、焊接缺陷少、焊接可靠性高。
The lead free high temperature solder has the advantages of higher melting point, good mechanical property, less welding defect and high welding reliability.
目的探讨低熔点铅不规则挡块等中心治疗在鼻咽癌放疗中的价值。
Objective To evaluate the radiotherapy effects on nasopharyngeal carcinoma with low-melting-point lead irregular shield technique.
目的探讨低熔点铅不规则挡块等中心治疗在鼻咽癌放疗中的价值。
Objective To evaluate the radiotherapy effects on nasopharyngeal carcinoma with low-melting-point lead irregular shield technique.
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