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扩散     
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  diffusion
     Some New Discontinuous Galerkin Method For Convection-Dominated Diffusion Problems
     对流占优扩散问题的某些新型间断有限元方法
短句来源
     Traveling Wave Solutions and Global Attractor for Continuous and Discretized Reaction Diffusion Equations
     连续与离散反应扩散方程组的行波解及整体吸引子
短句来源
     Interaction, Social Capital and Technological Diffusion in Sustainable Development
     互动、社会资本与可持续发展中的技术扩散
短句来源
     Statistical Inference for Diffusion Processes
     扩散过程的统计推断
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     Research on the Technology of FTIR Spectra Analysis about Toxic Organic Compounds in the Atmosphere and the Establishment of Diffusion Models in the Indoor Air
     大气中有毒有机物FTIR光谱解析技术及其室内扩散模型建立的研究
短句来源
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  dispersion
     Dispersion of CuCl_2 into NaY Zeolite Studied by Positrons
     用正电子研究CuCl_2在NaY上的扩散
短句来源
     The main parameters calibrated in the model are dispersion coefficient(a=0.07, b=0.7), roughness length(0.02m), wind drag coefficient(Cwd=3%), and evaporation rate(0.1/d).
     经过率定后确定模型中主要参数值如下:扩散参数a=0.07,扩散参数b=0.7,粗糙长度=0.02m,风拖曳系数Cwd=3%,蒸发率kE=0.1/d。
短句来源
     The results indicated: ①The formation of Fe50Ti50 amorphous alloy was the result of "atoms dispersion" and "lattice collapse";
     结果表明:①Fe50Ti50非晶合金的形成是由于"原子扩散"与"晶格崩溃"共同作用的结果;
短句来源
     The environmental capacity of SO_2 in the air of Jinzhou city is calculated on the basis of SO_2(concentration) simulated by the new-generation urban atmosphere dispersion model system(ADMS-Urban).
     以利用新一代城市大气扩散模型系统(ADMS-Urban)模拟的二氧化硫浓度为基础,测算锦州市城区空气中SO2环境容量.
短句来源
     A Study on the Insect Population Growth──dispersion Model
     昆虫种群的生长──扩散模型研究
短句来源
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  diffuse
     DIFFUSE JOINT OF SOLID STATE PHASE CHANGEOF 3Cr2W8V AND 4Cr5MoSiV STEEL
     3Cr2W8V钢与4Cr5MoVSi钢的固态相变扩散连接
短句来源
     The generation of diffuse band stimulated radiaton corresponding to the 2~3∏_g-a~3∑_u~+ transition in Li_2
     锂分子2~3π_g-a~3∑_u~+受激扩散带辐射线型的理论计算
短句来源
     the reason of which is that the pure Ni and Fe、Ni、Co which 4J33 contains diffuse into brazing alloy and reach with it to form cempounds.
     这是因为纯Ni和4J33所含的Fe、Ni、Co元素扩散到钎料中并与之发生反应形成化合物所致。
短句来源
     Doping CdO helps Nb_2O_5 and Dy_2O_3 dissolve and diffuse, reducing material's sintering temperature effectively, raising dielectric constant ,improving the shape look of crystal grain of ceramics, restraining crystal grain from growing up.
     CdO的引入有利于Nb_2O_5和Dy_2O_3的固溶和扩散,从而有效的降低了材料的烧结温度,提高材料的介电常数,同时可以改善陶瓷中晶粒的形貌,抑制晶粒的长大。
短句来源
     The results show that the elements both in Ti alloy and in stainless diffuse on different degree, so forming β-Ti, TiFe and TiFe_2 at the interface.
     结果表明,钛合金和不锈钢两侧的元素有不同程度的扩散,在界面处形成β-Ti、TiFe和TiFe2。
短句来源
更多       
  spread
     And the spread activation energy of Al is 155.22 kJ/mol.
     Al的扩散激活能为155.22 kJ/mol。
短句来源
     In the worst condition the through quantity of diffusion of each phase is|J ε N ||J γ′ N |≥|J α N |,and chemical compounds ε and γ′ do not affect the spread of α .
     在最差的条件下 ,各相内的扩散通量为 :|JεN| |Jγ′ N|≥ |JαN|,化合物ε、γ′不会影响α[N]的扩展。
短句来源
     The point spread function equivalent area at 30°, 60° and 70° is 25,45 and 117 times as wider as that at 0°,respectively.
     30°、60°和70°时的点扩散函数的等效面积分别是0°时的2 5、4 5和11 7倍.
短句来源
     Test vesults indicate that when load is 0.5 V, by itself man ufactured the electric current density of new gas spread layer can up to 1 026.4 ~1 149.6 mA/cm , but the electric current density of gas spread layer in commercial use is 94.6 mA/cm .
     测试结果表明:当Load0.5V时,该自制的新型气体扩散层电流密度可达1026.4~1149.6mA/cm,而商用气体扩散层电流密度为941.6mA/cm;
短句来源
     By itself manufactured that power density of gas spread layer can up to 600 mW/cm , but power density of gas spredd layer in commercial use is 511.2 mW/cm , whole over gas spread layer in commrcial use.
     自制气体扩散层功率密度可达600mW/cm,而商用气体扩散层功率密度为511.2mW/cm,均高过商用气体扩散层。
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  diffusion
Aqueous and organic solvent extracts tested by agar-well diffusion method against 12 human pathogenic bacteria and 3 fungal strains showed activity to most of the organisms.
      
The Alternating Segment Crank-Nicolson scheme for one-dimensional diffusion equation has been developed in [1], and the Alternating Block Crank-Nicolson method for two-dimensional problem in [2].
      
In this paper for the two-dimensional diffusion equation, the net region is divided into bands, a special kind of block.
      
This paper analyses a mathematical model of the pattern formation on the shell of molluscs which is actually a kind of reaction-diffusion system.
      
Exact solutions for Belousov-Zhabotinskii reaction-diffusion system
      
更多          
  dispersion
Finite element simulations for compressible miscible displacement with molecular dispersion in porous media
      
One contribution of this paper is a demonstration of how molecular dispersion can be handled.
      
Soliton solution of nonlinear schr?dinger equation with higher order dispersion terms
      
Galerkin method for completely compressible displacement with molecular diffusion and dispersion
      
In this paper, the numerical approximation by Galerkin method for completely compressible miscible displacement with molecular diffusion and dispersion in porous media is considered.
      
更多          
  diffuse
Its structure was characterized by elemental analysis, diffuse reflectance infrared Fourier transform spectroscopy, and thermal analysis.
      
The catalyst samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and ultraviolet-visible diffuse reflectance spectroscopy (UV-Vis DRS).
      
The results of attenuated total reflectance FTIR spectroscopy (ATR-FTIR) showed that PP-g-PEG could diffuse preferably onto the surface of the blends and be suitable as an effectual macromolecular surface modifier for PP.
      
Melting point depressants (B, Si) diffuse far away from the joint and the base metal element is homogenous across the joint.
      
The effect of hydrogen on the susceptibility is more obvious in the low stress region due to the longer fracture time, which resulted in a longer time for more hydrogen to diffuse toward the crack tip.
      
更多          
  spread
It is proved that the right spread order is closed under the formation of parallel systems with independent and identical components.
      
Furthermore, it is proved that the right spread order is also closed under increasing convex transformations under some conditions.
      
Some stochastic comparisons of generalized order statistics under the right spread order, the location independent riskier order and the total time transform order are investigated in this paper.
      
On the basis of direct sequence spread system (DSSS), frequency shift filter is added into the receiver of the communication system.
      
The design offers a class of nonlinear FH codes with high security, large linear span and a uniform spread over the entire frequency bandwidth.
      
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