Results 71 to 80 of about 418,092 (185)
, 2006 研究了用介观量子点接触（QPC）对单电子两态和多态系统的量子测量问题.发现,在任意测量电压下,该测量问题不能用标准的Lindblad量子主方程描述.考虑了测量仪器和被测系统之间的能量交换对细致平衡关系的影响,对该问题提供了一个恰当的理论描述 ...
胡学宁, 李新奇
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International Journal of Applied Linguistics, EarlyView.ABSTRACT Collaborative writing has attracted increasing attention in English as a Foreign Language (EFL) instruction due to its potential to enhance learners’ writing competence. However, few studies have examined the comparative effects of collaborative versus independent writing on EFL learners’ individual performance, especially in higher‐order ...
Ting Huang, Chenze Wu, Wenkang Zhang
wiley +1 more source
, 2013 本发明提供半导体材料表面缺陷测量装置及表面缺陷测量方法，属于半导体测试领域。装置包括样品台、原子力显微镜导电探针、电压源、压电激振陶瓷、光学显微镜系统、单色仪、光电探测器和锁相放大器，电压源、压电激振陶瓷均与原子力显微镜导电探针相连，单色仪相连、光电探测器、锁相放大器顺次相连；其方法步骤为：将待测样品放置样品台上；针尖产生一周期性的机械振动；待测样品的裸露表面产生一周期性的光；将待测样品所发出的光聚集至单色仪处进行分光；测量发光信号。本发明解决了现有技术中对测量半导体表面缺陷中电致发光光谱测量存在的问题，
钟海舰 +8 more
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International Journal of Applied Linguistics, EarlyView.ABSTRACT With the increasing number of Chinese international students in Australian universities, intercultural competence has become a critical factor influencing their interactions with Australian tutors in university classroom settings. Existing research often examines students’ intercultural competence from a single‐method or single‐perspective ...
Jiangyu Han, Linda Tsung
wiley +1 more source
, 2013 本发明提供材料表面局部光谱测量装置及测量方法，属于半导体测试技术领域。装置包括反应腔、光源和光谱仪，光源和光谱仪均与反应腔相连，反应腔又包括第一真空腔、第二真空腔、真空阀门、真空传递装置、聚焦离子束刻蚀装置和光路耦合装置；其方法步骤为：将待测样品置于样品台上；关闭真空阀；将探针插入至第一针尖台；去除探针的污染物和氧化物；对探针刻蚀，形成天线结构；打开真空阀；将探针从第一针尖台传递并插入至第二针尖台；关闭真空阀；测量待测样品的表面光谱。本发明解决了针尖在刻蚀加工和使用之间的传递过程中的表面的污染和氧化 ...
钟海舰 +8 more
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AI foundation models in plant biology
New Phytologist, EarlyView.Foundation models decode genomes, engineer proteins, phenotype crops, and drive AI agents across plant biology. This figure was created in BioRender (BioRender.com/xcmmkel). Summary Rapid technological progress has enabled plant biologists to accumulate unprecedented volumes of multi‐scale, multi‐modal data, yet this abundance of data has intensified ...
Haopeng Yu
wiley +1 more source
Improvement of chaotic measuring circuits(混沌测量电路的改进)
Zhejiang Daxue xuebao. Lixue ban, 2001 混沌测量是一种全新的测量原理，它能用极不稳定的测量系统实现高精度测量.本文对恒流式混沌测量电路作了进一步的改进.实验结果表明，它能明显提高混沌轨道的线性度和稳定性.
JINWen-guang(金文光) +1 more
doaj +1 more source
, 1999 本装置属于一种水份测量仪，其结构由传感器及控制电路两部分组成，其中传感器为圆柱形，下面为两块铜块作为电极，其输出联接到控制电路上，其电路由电源电路、测量电路、显示电路三部分组成，电极输出联接到测量电路，最后由显示电路显示输出，可直接标出被测含水份情况。优点：采用全电子电路，直接显示测量水份，测量准确、直观，简单实用，反应速度快，小型轻便，便于携带，使用方便 ...
孙金年
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There Is Always a Bigger Fish. Determinants of Power Perceptions in Swiss Biodiversity Policy
Policy Studies Journal, EarlyView.ABSTRACT The Advocacy Coalition Framework (ACF) views power as crucial in policy processes, but the nature of coalition power, its determinants, and how to empirically measure it remain understudied. In this article, we use a mixed method approach and social network analysis to explore power relationships in the biodiversity policy subsystem in ...
Alix d'Agostino +2 more
wiley +1 more source
, 2016 本实用新型公开一种基于拉曼光谱测量的水面油膜厚度测量装置，将水体和石油烃类污染物拉曼信号的峰高比作为油膜厚度计算因子，在一定的油膜厚度范围内，油膜厚度计算因子与油膜厚度呈线性关系；通过测量计算因子反演出水体表面油膜厚度。测量装置包括三维调整模块、三维调整支架和密封外壳，外壳内设置有光源控制电路、探测单元和信号处理传输单元；本实用新型的优点：可实现对水体油膜厚度的直接测量，检测速度快，避免繁琐的步骤，同时不需要化学试剂，对水质本身没有影响。探头内部设计有开关及透镜，可有效避免激光长期输出对人眼的伤害 ...
冯巍巍, 蔡宗岐
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