DIFFUSION

作品数：1650被引量：2593H指数：16
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Diffusion of Sm-Nd in Scheelite and its Significance to Isotopic Dating and Tracing被引量：1
《Acta Geologica Sinica(English Edition)》2023年第2期651-661,共11页ZHANG Dongliang Ian MCOULSON PENG Jiantang LI Shijie WANG Guoqiang 
financially supported by the National Natural Science Foundation of China(Grant No.41403035);the National Basic Research Program of China(Grant No.2014CB440901)。
As the principal ore mineral in various tungsten(-gold)deposits,scheelite(CaWO_(4))plays an important role in directly dating the timing of ore formation,and in tracing associated material sources through the study of...
关键词：Sm-Nd system DIFFUSION SCHEELITE closure temperature isotopic dating 
High-temperature oxidation behavior of DZ125 Ni-based superalloy under tensile stress被引量：2
《Rare Metals》2022年第12期4188-4193,共6页Hong-Yu Qi Xiao-Bo Liang Shao-Lin Li Xiao-Guang Yang 
financially supported by the National Natural Science Foundation of China (No.51571010);the National Basic Research Program of China (No.2015CB057400)
The key in antioxidant capacity of aero-engine hot components is the protective oxide scales.Many factors can affect the performance of oxide scales.The effect of tensile stress on high-temperature oxidation behavior ...
关键词：DZ125 Ni-based superalloy High-temperature oxidation Tensile stress DIFFUSION 
Dynamic confinement of SAPO-17 cages on the selectivity control of syngas conversion被引量：2
《National Science Review》2022年第9期35-41,共7页Haodi Wang Feng Jiao Yi Ding Wenjuan Liu Zhaochao Xu Xiulian Pan Xinhe Bao 
supported by the Ministry of Science and Technology of China(2018YFA0704503);the National Natural Science Foundation of China(91945302 and22002153);the Youth Innovation Promotion Association of the Chinese Academy of Sciences(2019184);the Natural Science Foundation of Liaoning Province(2020-BS-019);the Dalian Science and Technology Innovation Fund(2020JJ26GX028)。
The OXZEO(oxide-zeolite)bifunctional catalyst concept has enabled selective syngas conversion to a series of value-added chemicals and fuels such as light olefins,aromatics and gasoline.Herein we report for the first ...
关键词：syngas conversion OXZEO dynamic confinement ZEOLITE DIFFUSION 
Intraseasonal variation and future projection of atmospheric diffusion conditions conducive to extreme haze formation over eastern China
《Atmospheric and Oceanic Science Letters》2020年第4期346-355,共10页FENG Weiyang WANG Minghuai ZHANG Yang DAI Xianglin LIU Xiaohong XU Yangyang 
Minghuai WANG is supported by the National Natural Science Foundation of China[grant numbers 91744208,41925023,41575073,and 41621005];the Ministry of Science and Technology of China[grant numbers 2017YFA0604002 and 2016YFC0200503];Yang ZHANG is supported by the National Natural Science Foundation of China[grant number 41675055];This research was also supported by the Collaborative Innovation Center of Climate Change,Jiangsu Province.
Future projection of diffusion conditions associated with extreme haze events over eastern China is of great importance to government emission regulations and public human health.Here,the diffusion conditions and thei...
关键词：Haze diffusion conditions East Asian winter monsoon anticyclone anomaly RCP8.5 aerosol reduction greenhouse gases 
A Simple Time-Resolved Optical Measurement of Diffusion Transport Dynamics of Photoexcited Carriers and Its Demonstration in Intrinsic GaAs Films
《Chinese Physics Letters》2020年第8期167-171,共5页Yongyong You Tianran Jiang Tianshu Lai 
Supported by the National Natural Science Foundation of China(Grant Nos.11774438 and 61475195);the National Basic Research Program of China(Grant No.2013CB922403);the Guangdong Basic and Applied Basic Research Foundation(Grant No.2019A1515011572).
We develop a tightly focused pump-probe absorption technique to study diffusion dynamics of photoexcited carriers.It has many advantages including the simple setup and operations,higher detection sensitivity,an analyt...
关键词：technique. DIFFUSION EXCITED 
Determination of activation energy of ion-implanted deuterium release from W–Y2O3被引量：1
《Chinese Physics B》2020年第6期327-332,共6页Xue-Feng Wang Ji-Liang Wu Qiang Li Rui-Zhu Yang Zhan-Lei Wang Chang-An Chen Chun-Rong Feng Yong-Chu Rao Xiao-Hong Chen Xiao-Qiu Ye 
National Magnetic Confinement Fusion Energy Research Project,Ministry of Science and Technology of China(Grant No.2015GB109002);the Innovation Fund of Postgraduate,Xihua University,China(Grant No.ycjj2018017);the National Natural Science Foundation of China(Grant No.21401173).
The retention and release of deuterium in W–2%Y2O3 composite materials and commercially pure tungsten after they have been implanted by deuterium plasma(flux ~ 3.71 × 1021 D/m2·s, energy ~ 25 eV, and fluence up to ...
关键词：metals and alloys plasma-based ion implantation thermal desorption diffusion in solid 
Digitization modeling of a CGEM detector based on Garfield++simulation被引量：1
《Radiation Detection Technology and Methods》2020年第2期174-181,共8页Jing-Yi Zhao Nan-Nan Miao Ling-Hui Wu Liang-Liang Wang Tong Sun Zhen Huang Ryan Mitchell Wei-Guo Li Huai-Min Liu Xin-Chou Lou Sheng-Sen Sun Ye Yuan Yao Zhang 
Funding was provided by National Natural Sci-ence Foundation of China(NSFC)under Contracts Nos.11575222,11475208,11775245,11335009,U1832204,and 11521505;National Key Basic Research Program of China under Contract No.2015CB856706;Chinese Academy of Sciences(CAS)President’s International Fellowship Initiative underContract No.2018PM0004;European Com-mission under Contract No.H2020-MSCA-RISE-2014;National 1000Talents Program of China,and U.S.Department of Energy under Con-tract No.DE-FG02-05ER41374.
Background The Cylindrical Gas ElectronMultiplier Inner Tracker(CGEM-IT)is one of the candidates for the replacement of the current BESIII inner drift chamber,which has developed serious aging effects due to beam-rela...
关键词：CGEM-IT gain Garfield++ Lorentz angle DIFFUSION INDUCTION 
Experimental and Numerical Studies on the Diffusion of CO2 from Oil to Water被引量：1
《Journal of Thermal Science》2020年第1期268-278,共11页LI Binfei ZHANG Qiliang CAO Aiqing BAI Hao XU Jianguo 
financially supported by National Natural Science Foundation of China (No. 51574264);National Science and Technology Major Project of the Ministry of Science and Technology of China (No. 2016ZX05056-001);Shandong Provincial Natural Science Foundation, China (ZR2015EL015)
Injecting CO2 into oil reservoirs can improve the oil recovery,meanwhile achieve CO2 storage.The diffusion of CO2 in oil-water systems has a substantial impact on this process.The interface significantly affects the m...
关键词：CO2-oil-water system CO2 diffusion mass transfer pressure decay method numerical method 
Analysis of Finite Difference Approximations of an Optimal Control Problem in Economics
《Advances in Applied Mathematics and Mechanics》2019年第6期1358-1375,共18页Alexander Lapin Shuhua Zhang Sergey Lapin Na Yan 
Shuhua Zhang was supported by the National Basic Research Program(No.2012CB955804);the Major Research Plan of the National Natural Science Foundation of China(No.91430108);the Natural Science Foundation of China(No.11771322);the Major Program of Tianjin University of Finance and Economics(No.ZD1302);Alexander Lapin was supported by Russian Foundation of Basic Researches(No.16-01-00408)and by program”1000 Talents”of China.
We consider an optimal control problem which serves as a mathematical model for several problems in economics and management.The problem is the minimization of a continuous constrained functional governed by a linear ...
关键词：Mean field game optimal control problem parabolic diffusion-advection equation finite difference methods 
Investigation of the Influence of Inclination Angle and Diffusion Angle on the Film Cooling Performance of Chevron Shaped Hole被引量：6
《Journal of Thermal Science》2018年第6期580-591,共12页FU Zhongyi ZHU Huiren LIU Cunliang WEI Jiansheng ZHANG Bolun 
Financial support from the National Basic Research Program of China "973" (Grant No. 2013CB035702)
The film cooling performance of chevron holes with different inclination angles and exit lateral diffusion angles has been studied experimentally and numerically. The inclination angles include 35° and 55°. The exit...
关键词：film cooling effectiveness heat transfer coefficient chevron shaped hole inclination angle diffusion angle 
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