lead-free的例句大全

Current trend of surface treatment technics in Japan Part ⅱ& Lead-free tin electroplating technics

日本表面处理技术近期动向&第二部分无铅镀锡技术

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Whisker problem must be firstly solved in developing a lead-free pure tin electroplating process.

开发无铅化纯锡电镀技术必须首先解决锡须问题。

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To have lead tin line, tin bar and lead-free solder bar for line, the main products of excellent quality, china-largest of international brands.

以有铅锡线、锡条和无铅锡线、锡条为主要产品，倾力打造质量优良的国际品牌。

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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。

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Lead-free frit suitable for fine pottery was first prepared by the melting method. The performances of glaze, such as glossiness, thermal stability, match of thermal expansion coefficient and bond of body and glaze, etc.

采用高温熔融法制备了适用精陶的低温无铅熔块，并应用热膨胀分析仪、SEM等方法研究了精陶釉的光泽度、热稳定性、热膨胀系数等性能。

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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

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UL testing may be required to produce and assemble boards with lead-free surface finishes.

生产和装配经过无铅表面处理的线路板，可能需要进行UL测试。

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Effects of Stand-off Height between Chip Component and Substrate on Lead-free Solder Joint Reliability

片式元件与基板间隙对无铅焊点可靠性的影响

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The present situation of lead-free system in electronic packaging

电子封装无铅化现状

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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

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Development of a High Performance Lead-Free Wave Solder Alloy

开发高性能的无铅波峰焊料合金

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Development of lead-free termite resistant PVC sheathing compounds

无铅防白蚁聚氯乙烯护套料的研制

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Dustless Compounded Lead Salt Stabilizer Progress and research in lead-free composite solder

无尘复合铅盐稳定剂无铅复合钎料研究及发展

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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。

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Process of lead-free preserved eggs by gradient temperature control

梯度控温腌制无铅皮蛋工艺

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This method solves the problem of the temperature drift of PbS well. Process of lead-free preserved eggs by gradient temperature control

文中提出一种新的、实用的桥路双平衡调节法，较好地解决了硫化铅温漂问题。梯度控温腌制无铅皮蛋工艺

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Studies on containerized production of preserved lead-free eggs

用集装箱生产无铅松花蛋的研究

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Research of a Build-in Defect Inspection Algorithm for Lead-free Solder Paste Printing

内置无铅锡膏印刷机的检测算法研究

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The Trend Towards Lead-free in Electronic Packages and Its Choke Point

电子封装无铅化趋势及瓶颈

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Dielectric Relaxation and Ferroelectric Phase Transition of Tetragonal Structure NBT-KBT Lead-free Ferroelectricity

四方相区NBT-KBT无铅铁电介电弛豫与铁电相变研究

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