نتایج جستجو برای: concentration polarization

تعداد نتایج: 445199  

2016
Lu Miao Ran Jia Yu Wang Jian Wang Hong-Xing Zhang

Dopant concentration; Half-metal; Spin polarization; Graphene Abstract The singly B and N doped graphene systems are carefully studied. The highly concentrated dopants cause a spin polarization effect in the systems. The spin polarization limits are affirmed in the singly B and N doped graphene systems through periodic hybrid density functional theory studies. The spin polarization effects must...

Journal: :Journal of the Royal Society, Interface 2013
Xiang Xie Ju Tan Dangheng Wei Daoxi Lei Tieying Yin Junli Huang Xiaojuan Zhang Juhui Qiu Chaojun Tang Guixue Wang

Atherosclerosis (AS) commonly occurs in the regions of the arterial tree with haemodynamic peculiarities, including local flow field disturbances, and formation of swirling flow and vortices. The aim of our study was to confirm low-density lipoprotein (LDL) concentration polarization in the vascular system in vitro and in vivo, and investigate the effects of LDL concentration polarization and f...

Journal: :Quantum Information & Computation 2004
Chuanwei Zhang

Entanglement has played a key role in many quantum information processing, such as quantum computation [1], quantum teleportation [2], quantum dense coding [3], and entanglement-assisted quantum cryptography [4]. To function optimally these applications requires maximally entanglement. However, unwanted coupling to the environment causes the degradation of entanglement and entanglement concentr...

The inhibitive effect of apricot gum AG on mild steel in 0.5 M phosphoric acid solution was investigated by potentiodynamic polarization, electrochemical impedance spectroscopy EIS, linear polarization resistance and electrochemical noise EN techniques. The inhibition efficiency increased with increasing AG concentration up to a certain value and decreased with increasing temperature. Polarizat...

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