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CONDITION: 作品数：1360被引量：2041H指数：15; 导出分析报告; 相关领域：理学更多>>; 相关作者：顾国华宋增民郭强李夏张天骄更多>>; 相关机构：东南大学北京理工大学中国科学院南京信息工程大学更多>>; 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高技术研究发展计划更多>>

Energy exchange of an alpine grassland on the eastern Qinghai-Tibetan Plateau被引量：9: 《Science Bulletin》2015年第4期435-446,M0003,共13页尚伦宇张宇吕世华王少影; supported by the National Basic Research Program of China(2010CB951701,2011CB952002);the National Natural Science Foundation of China(41205006,41275016);the Foundation for Excellent Youth Scholars of CAREERI,Chinese Academy of Sciences; The seasonal variability in the surface energy exchange of an alpine grassland on the eastern Qinghai- Tibetan Plateau was investigated using eddy covariance measurements. Based on the change of air temperature and th...; 关键词：Eddy covariance - Energy exchange Freeze-thaw condition Leaf area index Moisturecondition The eastern Qinghai-Tibetan Plateau

Study of stimulated Raman and Brillouin scattering in a finite interaction region under the convective instability condition被引量：5: 《Chinese Science Bulletin》2012年第21期2747-2751,共5页HAO Liang LIU ZhanJu ZHENG ChunYang XIANG Jiang FENG Wu HU XiaoYan LI Bin; supported by Science and Technology Funds of CAEP(2010B0102018and2010A0102004);the National Natural Science Foundation of China(11147141,11175029,11075025,10975023,10935003); We discuss stimulated Raman scattering (SRS) and stimulated Brillouin scattering (SBS) under the convective instability condition with a one-dimensional three-wave interaction (3WI) model.Using linear theory,we deduce...; 关键词：受激拉曼散射稳定条件对流受激布里渊散射等离子体密度线性理论相互作用计算结果

The liquid phase separation of Bi-Ga hypermonotectic alloy under acoustic levitation condition被引量：7: 《Chinese Science Bulletin》2007年第11期1446-1450,共5页HONG ZhenYu LV YongJun XIE WenJun WEI BingBo; Supported by the National Natural Science Foundation of China (Grant Nos. 50121101, 50271058, 50395105 and 50301012); Containerless treatment of Bi-58.5at%Ga hypermonotectic alloy is successfully performed with acous-tic levitation technique. Under acoustic levitation condition,the second phase (Ga) distributes almost homogeneously i...; 关键词：声悬浮高导磁率合金液相分离斯托克司运动光谱运动

Fabrication of PEDOT/PSS-ZnO nanowire by selfassembly method under vacuum condition: 《Chinese Science Bulletin》2005年第20期2288-2290,共3页QI Yingqun WANG Tiejun HU Xiujie CHEN Ping; In this paper, cable-like PEDOT/PSS-ZnO nanowires are successfully fabricated under vacuum condi- tion by self-assembly of the PEDOT/PSS-ZnO composite initially prepared via sol-gel method. Characterized by TEM and ED...; 关键词：电缆纳米金属线自集合法真空条件氧化锌 PEDOT

Characteristic conditions-for strongly continuous groups of linear operators on a Hilbert space: 《Chinese Science Bulletin》1999年第14期1344-1344,共1页LIU KangshengDepartment of Applied Mathematics, Zhejiang University, Hangzhou 310027, China; IN 1932, Stone [1] gave the first result concerning C₀ semigroups generated by an unbounded operator,which says that a linear operator is the infinitesimal generator of a C₀ group of unitary oper...; 关键词：Characteristic conditions-for strongly continuous groups of linear operators on a Hilbert space PDES

A quantum mode theory of the micromaser: 《Chinese Science Bulletin》1998年第5期425-430,共6页Renhong Liu Weihan Tan Wencang Xu Jufang Zhang; ThisworkwassupportedbytheNationalNaturalScienceFoundationofChina (GrantNo .6 95 780 14); Failure of the steady solution of the master equation was analysed. It was found that the state of sustained oscillation exists only when the ratio of photon decay rate γ to injection rate r is satisfied. Based on th...; 关键词：QUANTUM MODE THRESHOLD condition.

Ionization process of collision of Ne( ~3P_(0,2)) with CO undermolecular beam condition: 《Chinese Science Bulletin》1998年第6期477-480,共4页CHEN Hong MA Yongbin ZOU Shengli DONG Feng TAN Xiaofeng SUN Lianhong XU Dadong LI Xuechu; theStateCommissionofScienceandTechnology (GrantNo .2 935 30 0 2 4 ); The ionization of CO with metastable Ne( 3P 0,2) in a molecular beam was studied by measuring the emission spectra of CO +(A 2Π i -X 2Σ +). The nascent vibrational and rotational distributions of CO +...; 关键词：molecular beam Penning ionization rovibrational distribution.

A remark on "an approximation condition and extremal quasiconformal extension被引量：8: 《Chinese Science Bulletin》1997年第21期1765-1767,共3页Chen, JX Chen, ZG; LET D be the unit disk in the complex plane C and f be a sense preserving quasisymmetrichomeomorphism of D onto itself. Denote by Q a quadrilateral D （z₁, z₂, z₃, z₄ ） wit...; 关键词：quasisymmetric function EXTREMAL quasiconformal MAPPING TEICHMÜLLER mapping.

On Hrmander condition被引量：8: 《Chinese Science Bulletin》1997年第16期1341-1345,共5页YANG Qixiang, YAN Lixin and DENG DonggaoDepartment of Mathematics, Zhongshan University, Guangzhou 510275, China; LET T:D→D′be a continuous linear operatorl, and K denote the distribution kernel of T. Assume that restriction of K to the set{( x, y ) ∈R^n x R^n, x≠y}satisfies the following "size" and "smoothness" conditions:; 关键词：CALDERON-ZYGMUND operator Hormander CONDITION HARDY SPACES BESOV SPACES wavelets.

Optimality conditions for a class of distributed parameter system: 《Chinese Science Bulletin》1996年第18期1501-1505,共5页高夯; Project partially supported by the National Natural Science Foundation of China;the Natural Science Foundation of the State Education Commission of China.; the (?) satisfying (4) is called an optimal control, and the corresponding state (?)(x)=y(x;(?)) is called an optimal state and ((?),(?)) is referred to as an optimal pair In ref. [1], Casas considers the system gover...; 关键词：ELLIPTIC EQUATION distributed PARAMETER system OPTIMALITY condition.

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