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DIFFUSION: 作品数：1650被引量：2593H指数：16; 导出分析报告; 相关领域：理学更多>>; 相关作者：梁宇学轩福贞涂善东何立子崔建忠更多>>; 相关机构：浙江大学首都师范大学北京大学中国科学院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Neolithization of Dawenkou culture in the lower Yellow River involved the demic diffusion from the Central Plain: 《Science Bulletin》2024年第23期3677-3681,共5页Fen Wang Rui Wang Hao Ma Wen Zeng Yongsheng Zhao Hao Wu Zhongming Tang Haifeng He Hui Fang Chuan-Chao Wang; supported by the National Science Fund for Distinguished Young Scholars from National Natural Science Foundation of China(T2425014);the National Natural Science Foundation of China(32270667);the National Social Science Foundation of China(21BKG037);the Natural Science Foundation of Fujian Province of China(2023J06013);the National Key Research and Development Program(2023YFC3303701-02);the Major Project of the National Social Science Foundation of China(21&ZD285);Open Research Fund of State Key Laboratory of Genetic Engineering at Fudan University(SKLGE-2310);Open Research Fund of Forensic Genetics Key Laboratory of the Ministry of Public Security(2023FGKFKT07)。; Geographically connected to the Central Plain and Yangtze River delta,Shandong,located in coastal north China,is home to successive ancient cultures and acts as a melting pot for exchanging material culture,agricultur...; 关键词：GATHERING CULTURE DIFFUSION

Experimental and theoretical investigation of zinc diffusion in N-GaSb: 《Chinese Science Bulletin》2010年第23期2489-2496,共8页YE Hong TANG LiangLiang MA YuLong; supported by the National Basic Research Program of China (2009CB939900);National High-Tech Research and Development Program of China (2007AA05Z236);Anhui Province Foundation (2007Z011); Zinc diffusion process in N-GaSb was studied with excessive,appropriate and insufficient quantity of diffusion source (zinc pellets).Kink-and-tail type zinc concentration profiles obtained with appropriate zinc pellet...; 关键词：扩散实验锌浓度锑化镓表面扩散系数扩散温度扩散时间扩散过程配置文件

Kinetic modeling the effects of primary migration, diffusion and waterwashing on Upper Paleozoic coal-derived gas at the center of Ordos Basin被引量：2: 《Chinese Science Bulletin》2004年第S1期94-100,共7页SHUAI Yanhua ZOU Yanrong PENG Ping’an; Gold reactor pyrolysis system is used to model the gas formation from the Upper Paleozoic coal measures and the results show coal-derived gas characterized with δ13C1 of-33.46‰, δ13C2 of-23.1‰, dryness(C1/C1-4) 85...; 关键词：DIFFUSION migration DRYNESS ISOTOPIC ratios ORDOS Basin Upper PALEOZOIC coal.

Mechanisms of particle vertical diffusion in sediment-laden flows被引量：2: 《Chinese Science Bulletin》2004年第10期1086-1090,共5页WANG Guangqian FU Xudong Key Lab for Water and Sediment Sciences of Ministry of Education, Tsinghua University, Beijing 100084, China Correspondence should be addressed to Wang Guanqian; Diffusion coefficient of natural sediments andeffects of lift force and gradient in particle velocity fluctua-tions were investigated through using a closed kinetic model.Comparison against experimental data of Einste...; 关键词：沉积物两相流动力模型扩散效率升力

Phase boundary sliding model controlled by diffusion-solution zone in superplastic deformation: 《Chinese Science Bulletin》2002年第14期1228-1232,共5页SHI Zhiqiang YE Yifu LI Shichun TENG Xinying WANG Huanrong; This work was supported by the National Natural Science Foundation of China (Grant Nos. 59871031 and 59871025).; With scanning electron microscope (SEM), the surface morphology of phase boundary sliding (PBS) in superplastic deformation (SPD) of Zn-Al alloy and the diffusion behavior of Zn, Al interfaces in their powers’ sinter...; 关键词：ZN-AL alloy SUPERPLASTICITY phase boundary sliding (PBS) diffusion-solution ZONE (DSZ).

A three-dimensional diffusion equation of suspended sediment by waves and currents被引量：2: 《Chinese Science Bulletin》1999年第19期1814-1817,共4页Pingxing Ding Fengyan Shi Yazhen Kong; Based on the law of mass conservation, a general three-dimensional diffusion equation of suspended sediment due to waves and currents, adaptable to estuarial and coastal areas, is derived by decomposing the instantane...; 关键词：estuarial and COASTAL areas WAVES CURRENTS suspended DIFFUSION equation.

Interfacial morphologies between iron and Ag-Cu-Sn alloy被引量：1: 《Chinese Science Bulletin》1999年第16期1463-1466,共4页Hong Li Haifeng Zhang Longbao Wang Guangjie Zhai Bingzhe Ding Zhenhong Mai Zhuangqi Hu; A series of experiments have been designed to investigate the effect of different space positions between liquid Ag-Cu-Sn alloy drop and iron substrates on the liquid/solid inter-facial morphologies by a sessile drop ...; 关键词：liquid/solid interface DIFFUSION Α-FE dendrite.

Molecular dynamics simulation of ethene adsorption,polarization and diffusion in three kinds of zeolites: 《Chinese Science Bulletin》1999年第7期598-601,共4页Jianfen Fan Heming Xiao B. van de Graaf S. L. Njo; Molecular dynamics （MD） simulation was performed to study ethene adsorption, polarization and diffusion in orthorhombic and monoclinic MFI and H[Al] ZSM-5 at 300 K. The resuits show that the interaction between ethe...; 关键词：molecular dynamics simulation ORTHORHOMBIC MFI MONOCLINIC MFI H[Al]ZSM-5 ETHENE POLARIZATION diffusion.

Electrode type membrane diffusion oscillator: 《Chinese Science Bulletin》1997年第17期1436-1440,共5页He, ZB Zhang, B Li, GM Liu, XM; PERIODIC and chaotic phenomena in the living system are closely related with the diffusion process through a membrane. In order to understand the relation, the exploration has been carried out continuously. So far, se...; 关键词：MEMBRANE OSCILLATOR OSCILLATION CHAOS selective electrode.

The entropy production and circulation of diffusion processes on manifolds被引量：2: 《Chinese Science Bulletin》1997年第12期982-985,共4页Guo, MZ Qian, M Wang, ZD; IT is known that the irreversibility of a Markov chain can be characterized by its circulation（see e.g.ref.[1]）.In this note,an extension of Qian-Qian’s result on the circulation forMarkov chains to the case of dif...; 关键词：ENTROPY production CIRCULATION DIFFUSION BROWNIAN motion ROTATION number.

DIFFUSION