国家自然科学基金(11175230)

作品数：7被引量：5H指数：2
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相关作者：方海平孔令伟万荣正盛楠更多>>
相关机构：中国科学院上海应用物理研究所中国科学院大学扬州大学更多>>
相关期刊：《Chinese Physics B》《Journal of Hydrodynamics》《Science China(Physics,Mechanics & Astronomy)》《物理》更多>>
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Asymmetric nanoparticle may go "active" at room temperature
《Science China(Physics,Mechanics & Astronomy)》2017年第4期23-31,共9页Nan Sheng YuSong Tu Pan Guo RongZheng Wan ZuoWei Wang HaiPing Fang 
supported by the National Natural Science Foundation of China(Grant Nos.10825520,11422542,11175230,and 11290164);the Key Research Program of the Chinese Academy of Sciences(Grant No.KJZD-EW-M03);Deepcomp7000 and ScGrid of the Supercomputing Center,the Computer Network Information Center of the Chinese Academy of Sciences, and the Shanghai Supercomputer Center of China
Using molecular dynamics simulations,we show that an asymmetrically shaped nanoparticle in dilute solution possesses a spontaneously curved trajectory within a finite time interval,instead of the generally expected ra...
关键词：asymmetric nanoparticle curved trajectory ACTIVE 
A new understanding of inert gas narcosis被引量：1
《Chinese Physics B》2016年第1期238-243,共6页张萌 高嶷 方海平 
supported by the Supercomputing Center of Chinese Academy of Sciences in Beijing,China;the Shanghai Supercomputer Center,China;the National Natural Science Foundation of China(Grant Nos.21273268,11290164,and 11175230);the Startup Funding from Shanghai Institute of Applied Physics,Chinese Academy of Sciences(Grant No.Y290011011);"Hundred People Project"from Chinese Academy of Sciences;"Pu-jiang Rencai Project"from Science and Technology Commission of Shanghai Municipality,China(Grant No.13PJ1410400)
Anesthetics are extremely important in modem surgery to greatly reduce the patient,s pain. The understanding of anesthesia at molecular level is the preliminary step for the application of anesthetics in clinic safely...
关键词：CLUSTER inert gas ANESTHESIA narcotic potency 
有限时间尺度内分子指向相关的不对称扩散研究
《物理》2014年第7期439-445,共7页盛楠 涂育松 方海平 
国家自然科学基金(批准号:11175230)资助项目
传统的经典扩散理论常常将分子和物体假设为球形,这些分子和物体的扩散是无偏移各向同性的。然而,当我们在纳米尺度去看分子和物体时,这些分子和物体呈现出各种不对称的结构。进一步,当我们观察的时间有限到小于几十纳秒时,我们会看到...
关键词：有限时间 不对称扩散 指向相关 纳米尺度 
分子尺度不对称体系中热噪声引发的单向输运
《物理》2014年第7期446-452,共7页孔令伟 万荣正 方海平 
国家自然科学基金(批准号:11175230)资助项目
不对称体系中的单向输运现象广泛存在于自然界中,宏观理论认为,体系的空间反演不对称性和有一定自相关时间的外加振动是引发单向运动的两个必要条件,因而一般认为,在分子尺度的不对称体系中,仅有热噪声也还是不会引发单向运动的。随着...
关键词：棘轮 朗之万方程 热噪声 自相关时间 
Asymmetrical free diffusion with orientation-dependence of molecules in finite timescales被引量：2
《Science China(Physics,Mechanics & Astronomy)》2013年第6期1047-1052,共6页SHENG Nan TU YuSong GUO Pan WAN RongZheng FANG HaiPing 
supported by the National Natural Science Foundation of China(Grant Nos. 10825520,11105088,11175230 and 11290164);Shanghai Supercomputer Center and Supercomputing Center of Chinese Academy of Sciences
Using molecular dynamics simulations, we show that free diffusion of a nanoscale particle (molecule) with asymmetric structure critically depends on the orientation in a finite timescale of picoseconds to nanoseconds....
关键词：ORIENTATION DIFFUSION finite timescales 
DIFFUSING OF AN AMMONIA MOLECULE IN WATER IN A VERY SHORT TIME PERIOD被引量：1
《Journal of Hydrodynamics》2012年第6期969-970,共2页SHENG Nan TU Yu-song GUO Pan WAN Rong-zheng FANG Hai-ping 
Project supported by the National Natural Science Foundation of China(Grant Nos.10825520,11175230)
The diffusion of an ammonia molecule （NH3） in water was investigated by molecular dynamic simulations. It is found that the diffusion shows negative correlation with its dipole orientation.
关键词：DIFFUSION AMMONIA CORRELATION 
Asymmetric transportation induced by thermal noise at the nanoscale被引量：3
《Science China(Physics,Mechanics & Astronomy)》2012年第5期751-756,共6页WAN RongZheng HU Jun FANG HaiPing 
supported by the National Natural Science Foundation of China (Grant Nos.10825520 and 11175230);the Shanghai Leading Academic Discipline Project (B111);the Knowledge Innovation Program of the Chinese Academy of Sciences;the Shanghai Supercomputer Center of China
Based on a simple model, we theoretically show that asymmetric transportation is possible in nanoscale systems experiencing thermal noise without the presence of extemal fluctuations. The key to this theoretical advan...
关键词：RATCHET NANOSCALE thermal fluctuations 
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