常数

At the same time, we calculated the reaction rate constants of the mercuric oxidation by chlorine species to compare with the corresponding experimental data.

同时对煤燃烧过程的氯化汞系列化合物的反应动力学常数进行了理论计算。

Firstly, we study the normality of a family of meromorphic functions concerning differential polynomial and shared values and prove the following Theorem 23.5 Let F be a family of m...

证明了 定理 2.3.5设F为Δ上亚纯函数，k、n、q∈N，P=ω~q+α_(q-1)ω~(q-1)+…+α_1ω是多项式，并且设Hf，f~1，…，f~(k是不含常数项的多项式，a、b为两个判别的有穷复数，并且b≠0，c是非零有穷复数。

In chapter three, we study the uniqueness of meromorphic function and its derivative, and obtain the following result: There exists a set S with 6(4) elements such that any nonconstant meromorphic function f and its derivative f' satisfying E=E must be identical.

在第三章中，我们讨论了涉及导函数的唯一性问题，得到了下述结果：存在一个集合 S含有 6(4)元素，对于任意一个非常数亚纯函数f 及其导函数 f'，若 E=E，则f=f'。

Using the value distribution theory, the author studied the uniqueness of meromorphic function concerning multiple value .

应用值分布理论，在涉及重值情况下进一步研究了亚纯函数唯一性理论中Gross 。F提出的一个问题，获得如下结果：设集合S ={ω∈C|P =aω7- 42ω2 +70bω- 30b2 =0 }，其中a ，b为不等于零的常数，ab5≠ 2。

The universal formulases of a average internal energy of atom in metal and the two different kinds of metal atomic interaction potential have been derived by applying to the classical concept of the metalic structure and concerning the Gauss type ball symmetry of the around electronic density of atomic nucleus.

本文介绍了亚稳态Fe50Cu50固溶体晶格常数的测量结果，应用金属结构的经典概念并考虑到原子核周围电子密度的高斯型球对称分布，导出了计算金属中一个原子的平均内能和两种不同金属原子相互作用势的普遍公式。

Crystal lattice constants are close to other experiment results. Three kinds of chemical bonds exist among Mg and B atoms, between magnesium and boride is ionic bond and metallic bond is the predominant interaction in the layer formed by magnesium atoms. A strong covalent bond in the form of sp2 hybrid between boride atoms is the most important factors which can affect the transition temperature of MgB2. Population analysis clearly shows that electrons are transferred from Mg to B, as a result, the electron-phonon coupling in the layer of B is very strong.

规范保守赝势的计算结果表明，晶格常数与实验值误差在很小的范围内，分析了引起MgB2(001)面结构超导转变时电子浓度和偏态密度的变化情况，发现构成该超导体结构的成键有3种，着重从结构的电子浓度变化分析了其超导特性，六角蜂窝状结构中硼原子间相互作用为sp2杂化的共价键，镁原子和硼原子之间是离子键结合，镁原子层是金属键结合，镁原子的价电子部分转移到硼原子的pz轨道，部分电子为镁原子层共用。

Pore structure of NiSMM was characterized by the measurement of micropore effective diffusivities.

从具有不同微孔尺寸的催化材料的吸附平衡常数也证明了这一点。

Result In rat microsome, the apparent KM of squamocin and bullatacin were (1.6±0.5)μmol/L and (2.0±0.4)μmol/L.

结果］在大鼠肝微粒体中，squamocin和bullatacin的表观米氏常数KM值分别为(1.6±0.5)和(2.0±0.4)μmol/L。

There have been many good results when M is minimal sub manifold. In the first section we will introduce the context and make a general description on the recent researches. In the second we will introduce the complexion of the development for this problem. In the fourth we\'ll discuss the second gap on special conditions using similar methods when the mean curvature is constant, and find the second gap.

关于极小子流形的间隙问题已经有了很多好的结果，第一节引言中我们将介绍本文的研究背景及这些主要结果，第二节中我们来介绍具有常平均曲率情形的间隙问题的发展现状，在第四节中我们用类似的方法讨论平均曲率为常数的紧致超曲面的第二间隙问题，得到了第二间隙δ=？

Fourth, presents the main factors which affect the dielectric properties after poling and piezoelectric coefficient are the modifiability of the displacement between cation and anion center in oxygen-octahedral structure and the existence of MPB.

第四，提出本系统极化后介电常数及压电系数表现主要影响因素为氧八面体中阴阳离子偏移量的改变量及 MPB之存在。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。