【摘 要】
：
Background,Motivation and Objective Piezocomposites operating above 30 MHz are in demand to improve spatial resolution for ultrasound imaging and other applications.However,increasing the operational
【机 构】
：
School of Metallurgy and Materials,University of Birmingham,Birmingham,United Kingdom
论文部分内容阅读
Background,Motivation and Objective Piezocomposites operating above 30 MHz are in demand to improve spatial resolution for ultrasound imaging and other applications.However,increasing the operational frequency of these materials poses a considerable challenge for conventional dicing techniques,as ultrafine dimensions are required.
其他文献
目的：通过12周运动干预的方式,研究受试者心肌酶活性的变化情况,评估受试者心肌组织对运动测试的适应能力,确定最适合改善40-49岁中年男性心脏健康的运动量.方法：将受试者随机分为对照组(n=12),小运动量组(1200kcal/wk,n=11),大运动量组(2000kcal/wk,n=11),进行为期12周的运动干预.干预前、后分别进行一次递增负荷运动测试,每次运动测试前、后抽取受试者肘静脉血,测
目的：研究地理信息技术在慢性病防控中的应用进展与发展方向。方法：系统分析地理信息技术在对慢性病区域的地理时空格局的预判，探索利用地理信息技术对慢性病防控的微观干预与宏观管理相结合的新模式与新体系。结果：地理信息技术是实现慢性病防控的重要手段，中卫国投在慢性病防控领域应用地理信息技术，将不断丰富和发展这一理论并指导慢性病防控实践。结论：在慢病的防控领域引进和应用地理信息技术是对慢性病宏观管理与微观干
Background,Motivation and Objective To determine the mechanical properties and morphology of solid materials, tomographic imaging at relatively low frequencies is a promising option. However, mode con
Background,Motivation and Objective GPU-based software beamforming has advantages over hardware-based beamforming because it is more programmable and complicated imaging algorithms can be efficiently
Background,Motivation and Objective Non-invasive macromolecular transport across the blood-brain barrier (BBB) remains clinically challenging. As a result, a significant number of biotechnology agents
Background,Motivation and Objective Ultrasound imaging of deep targets suffers from low lateral resolution due to limited aperture size and low-frequency transmit pulses. Mechanically sweeping the tra
Background,Motivation and Objective Rods and bolts are commonly used as structural elements in a variety of applications. In the automotive and aviation industry they are used in engines and suspensio
Background,Motivation and Objective Guided wave (GW) technology, well used in petrochemical industries and academic field for pipeline inspection, were studied on assessing the integrity of buried pip
Background,Motivation and Objective Bonded LiTaO3(LT) wafers have demonstrated a reduced temperature coefficient of frequency while retaining(or even improving) the electromechanical coupling and wave
Background,Motivation and Objective This work demonstrates a new electrode configuration for piezoelectric micromachined ultrasonic transducers(PMUTs) with increased electromechanical coupling coeffic