ID 原文 译文
15625 最后,展望了柔性三维力传感器未来的重点研究方向。 Finally, the trends of flexible three-dimensional force sensors are prospected.
15626 在无铅钎料中,Sn-Zn共晶钎料因具有熔点与Sn-Pb共晶钎料接近、成本低、力学性能良好等优点,成为了Sn-Pb钎料的最佳替代者。 Among lead-free solders, Sn-Zn eutectic solder has melting point close to Sn-Pb eutectic solder. It also has low cost and good mechanical properties, which makes it the best substitute for the Sn-Pb solder.
15627 但是,Sn-Zn无铅钎料因润湿性差、易氧化和抗腐蚀性差等问题严重制约其应用与发展。 However, the Sn-Zn lead-free solders have some drawbacks, such as bad wettability and poor resistance to corrosion and oxidation, which largely restrict their application and development.
15628 本文阐述了近年来国内外学者通过在Sn-Zn合金中添加合金元素与纳米颗粒来改善钎料的润湿性、抗氧化性、抗腐蚀性以及力学性能的研究成果,并且介绍了加入微量合金元素或纳米颗粒后,Sn-Zn钎料微观组织以及界面组织的变化。 As a result, it arouses great interest to modify the Sn-Zn solder by alloy and nanoparticles among scholars and institutions at home and abroad. Here this article surveys the advance in improving the wettability , oxidation and corrosion resistance and mechanical properties of Sn-Zn alloy by adding alloying elements and nanoparticles. The microstructure and interfacial structure of the Sn-Zn solder after adding alloying elements or nanoparticles are discussed.
15629 同时还简述了Sn-Zn钎料配套助焊剂的最新研究进展。 After that, the article discusses the recent research progress of the Sn-Zn solder supporting flux.
15630 最后,对Sn-Zn系钎料的发展趋势与前景进行了分析与展望。 Finally, the development trend and prospect of the Sn -Zn solders are envisioned, which might throw light on future research work.
15631 为了提高滤波器的选择性,实现小型化,采用多层板技术综合方法设计了一款双通带Chebyshev响应带通滤波器。 To improve selectivity of filter and realize miniaturization, the fabrication based on multilayer technology was designed for a dual-band bandpass filter with Chebyshev response.
15632 利用组成上通带的半波长开环谐振器的空间交叉耦合引入两个有限频率传输零点,以提高滤波器频率选择性。 Two finite-frequency transmission zeros were introduced toe improve the selectivity by using spatial cross coupling of half-wavelength open-loop resonators, which is composed of the upper passband.
15633 同时,利用组成下通带的四分之一波长短路谐振器形成零度馈电混合耦合结构,生成另外两个传输零点。 At the same time, quarter-wavelength short-circuited resonators for the lower passband were used to establish zero- degree feed mixed coupling structure to generate two other transmission zeros.
15634 不但提高了通带隔离度,而且使得通带截止裙边更加陡峭。 The structure can not only enhance the passband isolation but also make the passband cut-off skirt steeper.