摘要：In semiconductor manufacturing process, probe station that is testing equipment is important. Inspection step is for detecting defects on semiconductor before the packaging. Probe card is a part of probe station and contains probe tip that contacts to semiconductor. Through probe tip, it can inspect defects of semiconductor. In this paper, optimization method is used with response surface analysis to design MEMS type probe tip. And fabricating probe tip uses maskless lithography, electro-plating and lapping process.

摘要：在中国和印度边远地区，治疗心血管病的经济负担十分沉重，但是这些地区经济落后，医疗保健资源有限。该研究旨在设计和评估由社区医护人员（community health workers，CHW）实施，

摘要：为更好地监测管道泄漏和控制水压,智能供水管网管理系统(简称“智管网”)正逐步应用于城市供水管网。传统的供水监测仪表和传感器多采用蓄电池供电,由于电池寿命与容量有限,使得在实时监测模式下需要经常更换电池,造成经济与人力的耗费。通过数值模拟研究和实验研发了一种结构简单、安装方便的内联闭式水力发电系统,消耗有限的水头便可为“智管网”感应和监测设备及数据传输装置提供可靠的电力,通过提高站点之间的通信频次来保障实时监控,同时避免频繁地更换电池。此外,该管道水轮机通过管道内的喇叭口与挡块设计来实现双向流发电。介绍了该系统的工作设计原理和仿真实验研究结果,以及实测的内联闭式水力发电运行数据。实验结果表明,该系统能够可靠地运行,可为下一步的研发提供宝贵的理论和应用基础。

摘要：Given the demand for constantly scaling micro- electronic devices to ever smaller dimensions, a SiO2 gate dielectric was substituted with a higher dielectric-constant material, Hf（Zr）O2, in order to minimize current leakage through dielectric thin film. However, upon interfacing with high dielectric constant （high-κ） dielectrics, the electron mobility in the conventional Si channel degrades due to Coulomb scattering, surface-roughness scattering, remotephonon scattering, and dielectric-charge trapping.Ⅲ-Ⅴ and Ge are two promising candidates with superior mobility over Si. Nevertheless, Hf（Zr）O2/Ⅲ-Ⅴ（Ge） has much more complicated interface bonding than Si-based interfaces. Successful fabrication of a high-quality device critically depends on understanding and engineering the bonding configurations at Hf（Zr）O2/Ⅲ-Ⅴ（Ge） interfaces for the optimal design of device interfaces. Thus, an accurate atomic insight into the interface bonding and mechanism of interface gap states formation becomes essential. Here, we utilize first- principle calculations to investigate the interface between HfO2 and GaAs. Our study shows that As--As dimer bonding, Ga partial oxidation （between 3＋ and 1＋） and Ga- dangling bonds constitute the major contributions to gap states. These findings provide insightful guidance for optimum interface passivation.

摘要：Numerical simulation technology was applied for optimizing the casting design and conditions in large cast iron castings for marine engine. By the simulation of mold filling and solidification sequences the problems of the previous casting conditions were analyzed and marked improvements for large cylinder liner parts were derived from these results. Especially the amount and positions of chills were optimized to increase the mechanical properties and to minimize the shrinkage and microporosity in the castings. Ultrasonic testing, penetration testing and mechanical property testing were carried out for the parts with the modified casting conditions. It showed that no defects in the castings were found and the productivity could be distinctly increased. The mechanical properties satisfied also the specification demanded.

摘要：汽车轮胎在路面滚动行驶时，其橡胶组件的应变和应力以动态变形方式经历周期变化，由于受到应力与应变时间历程固有相位差影响而产生严重滞后损失。滚动轮胎的滞后损失成为造成轮胎能量耗散的关键因素，且每一周滞后损失可视为阻碍轮胎滚动的虚拟力。该虚拟力通常被称为滚动阻力，为了发展节能汽车，降低轮胎滚动阻力是当今全球范围内的巨大挑战。

摘要：股骨头坏死发生塌陷,进而导致髋关节退变,需要行全髋关节置换术。有报道称二磷酸盐疗法可预防股骨头坏死发生塌陷,作者持怀疑态度,设计了一个前瞻性随机对照研究,纳入110例SteinbergⅠ或Ⅱ期股骨头坏死患者,随机分为唑来膦酸组（55例）和对照组（55例）,唑来膦酸组患者每年静脉注射5mg唑来膦酸,为期2年,对照组无此药物治疗。