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6 天
多功能高精密过程控制仪5
With a test voltage of 45 V, 100 V, 250 V and 500 V the device fulfi ls most test specifi cations such as e.g. DIN 51953, 53482 and 54345. The guard switching allows single resistance measurements in ...
红板报 on MSN
12 天
Npj Comput. Mater.: 负压电响应的理解与调控:铁电氧化铪
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月 压电材料是一类能够实现机械能和电能相互转换的功能材料。目前发现的大多数压电材料表现出正的纵向压电效应,即极化强度随着外部拉伸应变而增加。相比之下,对负的纵向压电效应的研究显得尤为稀缺 ...
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