2020 · 除了具有/不具有放大功能的窄带成像（NBI）之外，还使用了各种类型的电子染色体内窥镜检查，包括自发荧光成像，I-SCAN和柔性光谱成像色彩增强。 这些技术使 … 2021 · Low reflow temperature solder interconnect technology based on Sn-Bi alloys is currently being considered as an alternative for Sn-Ag-Cu solder alloys to form solder interconnects at significantly lower melting temperatures than required for Sn-Ag-Cu alloys. 2022 易发生熔焊，经过生产实践的反复验证，需将浇注温 度控制在160~170 ℃[2]。 浇注合金前，对母模进行紧固，并将浇口位置朝 上。并对母模进行预热处理，使母模的预热温度达到 2021 · Mybatis 查询Cause: taxErrorException: ORA-00903: 表名无效 起因想通过通用方法加载不同表名查询数据，使用Mybatis查询报错 @Select(" select #{column} as str from #{table} group by #{column} order by count(1) desc ") 将 #{table} 修改为 ${table} 查询数据 @Select(" select # 2017 · 3、Ag是SnBi与SnBiAg的唯一差异. Figure 3 a is a HAADF image of the ….1 o. In contrast, Bi … · Intent NBI implementations make use of continuous-loop comparison among: existing and new Intent requests, mappings, and controlled-resource sets and states; to … 2016 · In this study, Ni functionalized Sn58Bi solder alloys were successfully synthesized. The results show that the addition of Bi can refine the microstructure of Mg-3Al-3Nd alloy. 2019 · The current study revealed the effects of reflow temperature and the reflow time on the interfacial embrittlement of SnBi/Cu joints. A new low temperature interconnect technology based on Sn-Bi alloys is being … 恁，汉语二级字，读作恁（nèn 、nín 、něn或nén），形声字。从心，任声。本义是思；念。 . 2019 · The effect of Bi on the microstructure and mechanical properties of Mg-3Al-3Nd alloy was investigated by scanning electron microscope (SEM), optical microscope (OM), X-ray diffraction (XRD) and tensile test....
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