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1)  discrete derivative Green's function
离散导数Green函数
1.
By means of estimates for three-dimensional discrete derivative Green's function, the theory of the interpolation operator of projection type and the technique of cancellation of elements, for several usual elements in the three-dimensional setting, including rectangular parallelepiped elements, tetrahedr.
借助三维离散导数Green函数的估计,投影型插值算子理论和单元合并技术,本文详细讨论了几种常用三维单元(包括长方体元,四面体元和三棱柱元)的有限元解梯度的最大模超逼近,均获得了高精度的超逼近结果。
2)  Discrete derivative Green function
导数离散Green函数
3)  discrete Green function
离散Green函数
1.
Based on the above results,super-convergence of derivatives and function values of finite element approximations is achieved respectively on Gauss points and Lobatto points by way of three-dimensional discrete Green functions and discrete derivative Green functions.
然后应用三维投影型插值算子理论和插值逼近性质等得到了正规剖分下三维投影型插值的超收敛基本估计,并在此基础上结合三维离散Green函数与离散导数Green函数理论,研究获得了Lobatto点和Gauss点处三维长方体有限元函数及导数的高精度超收敛结果。
4)  regular dirivative Green's functions
正则导数Green函数
5)  discrete derivative δ function
离散导数δ函数
1.
Several lstimates for d_dimensional discrete δ function,discrete derivative δ function and L~2 projecton;
d维离散δ函数、离散导数δ函数和L~2投影的几个估计
6)  Green's function
Green函数
1.
Based on the Green's function of longitudinal layered background medium, the algorithm can simultaneously invert the conductivities of the 1-D background and the 2-D anomalous sections by taking the result of the 1-D inversion as the initial model for the combined inversion.
该方法基于纵向成层背景地层的Green函数,以一维反演结果作为联合反演的迭代初始值,同时反演一维背景地层和二维异常剖面的电导率。
2.
Based on the Stroh formalism, exact expressions for the Green's functions of a line force, a line charge and a line electric dipole applied at an arbitrary point near the electrode edge,were presented, respectively.
 研究了由两个不同压电材料和一半无限长电极组成的复合材料系统的广义二维问题· 基于Stroh公式,提供了当一个线力、线电荷和一个线电偶极子施加在电极端附近时,精确的Green函数解· 进一步地,获得了相应的场强度系数· 这些结果可作为边界元的基本解,以分析更加复杂的压电复合材料断裂问题·
3.
A methodology based on the superposition of Green's functions is proposed for vehicular multiple source dispersion.
引用Green函数的概念,提出了公路机动车多源扩散方程的求解思路,利用微分方程的特征理论,求得了Green函数的横风和垂直向分量。
补充资料:Astra Mala-chite Green N,Astran Green M Basacryl Bril-liant Green X-BB, Crystal Green B
分子式:2(C23H25N2)·3C2H2O4
分子量:929.05
CAS号:569-64-2

性质:绿色闪光结晶,溶于冷水和热水呈蓝绿色,易溶于酒精,也呈蓝绿色。遇浓硫酸呈黄色,稀释后呈暗橙色;其水溶液加氢氧化钠形成微带绿光的白色沉淀。属三苯甲烷系碱性染料。

制备方法:由N,N-二甲基苯胺与苯甲醛在硫酸存在下进行缩合,再用二氧化铅和盐酸进行氧化,然后用硫酸钠脱铅,用碳酸钠中和,然后经草酸溶解、结晶、过滤干燥即得成品。原料消耗(kg/t)N,N-二甲苯胺 780 盐酸(31%) 1250尿素 6 氢氧化钠(100%) 350苯甲醛 340 次氯酸钠 4820乙酸铅(98%) 215 元明粉(98%) 570草酸(98%) 520 精盐 1900纯碱(98%) 290 乳化剂OP 0.7硫酸(100%) 305

用途:用于麻、蚕丝、腈纶织物和草制品以及竹、木等的染色。还可制成各种色淀及颜料。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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