نتایج جستجو برای: electrically driven

تعداد نتایج: 239590  

Journal: :Applied Physics Letters 2022

Metasurfaces consisting of an array planar sub-wavelength structures have shown great potentials in controlling thermal infrared radiation, including intensity, coherence, and polarization. These capabilities together with the two-dimensional nature make metasurfaces ultracompact multifunctional platform for light manipulation. Integrating functionalities, such as amplitude, phase (spectrum dir...

Real-time robust adaptive fuzzy fractional-order control of electrically driven flexible-joint robots has been addressed in this paper. Two important practical situations have been considered: the fact that robot actuators have limited voltage, and the fact that current signals are contaminated with noise. Through of a novel voltage-based fractional order control for an integer-order dynamical ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2010
Rahul Kekre Jason E Butler Anthony J C Ladd

Experiments have shown that DNA molecules in capillary electrophoresis migrate across field lines if a pressure gradient is applied simultaneously. We suggest that this migration results from an electrically driven flow field around the polyelectrolyte, which generates additional contributions to the center-of-mass velocity if the overall polymer conformation is asymmetric. This hypothesis lead...

2017
Qiubo Zhang Kuibo Yin Hui Dong Yilong Zhou Xiaodong Tan Kaihao Yu Xiaohui Hu Tao Xu Chao Zhu Weiwei Xia Feng Xu Haimei Zheng Litao Sun

Cation exchange (CE) has been recognized as a particularly powerful tool for the synthesis of heterogeneous nanocrystals. At present, CE can be divided into two categories, namely ion solvation-driven CE reaction and thermally activated CE reaction. Here we report an electrically driven CE reaction to prepare individual nanostructures inside a transmission electron microscope. During the proces...

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