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     Network Finance Research on Development Trends of Financial Management of Railway Transportation Group
     网络财务——铁路客运公司(集团)财务管理发展方向的研究
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     A Study on the Strategy of Modern Logistic Development of Wuhan Tobacco Company
     武汉烟草(集团)有限公司现代物流发展战略研究
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     A Railway (group) Company——Pursuing systematic innovation in the course of development
     《案例》:A铁路(集团)公司——在发展中不断寻求体制创新
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     The third discusses the rights and duties of the internet service provider.
     第三部分论述了网络服务商(即网络信息传播者集团)的权利与权利限制。
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     In this paper, the study of the reliability of high-rise building and analysis methodunder the earthquake action is presented.
     本文以天津市房地产开发(集团)河西友谊小区综合楼为研究对象,研究其在地震作用下高层建筑的可靠性,探索高层建筑结构系统的抗震可靠性分析方法。
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In all these cases we actually show that Γ=π1(M) has a finite index subgroup which is mapped onto a nonabelian free group.
      
We define a map from an affine Weyl group to the set of conjugacy classes of an ordinary Weyl group.
      
Open subsets of projective spaces with a good quotient by an action of a reductive group
      
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In connection with experiments on the control of the rice stem borer, aseries of observations were conducted in 1949 to 1952 in Canton to determinethe form of the distribution of the moth, the egg-mass and the larval popula-tions of this species. It was found that the moth and egg-mass populations inrice seed-beds are in essential agreement with the random distribution of thePoisson series. The larval population in spring-crop fields apparently conformsto the contagious and the negative binomial distributions....

In connection with experiments on the control of the rice stem borer, aseries of observations were conducted in 1949 to 1952 in Canton to determinethe form of the distribution of the moth, the egg-mass and the larval popula-tions of this species. It was found that the moth and egg-mass populations inrice seed-beds are in essential agreement with the random distribution of thePoisson series. The larval population in spring-crop fields apparently conformsto the contagious and the negative binomial distributions. The larval population during hibernation period appears to be neither of the random distribution norof the contagious type but agrees with the negative binomial distribution. The population distribution of the injured stems, characterized by the ap-pearance of "dead-hearts" and "white ears" was also studied. The "dead-hearts"popolation in autumn-crop fields conforms with the contagious and the negativebinomial distribution. The distribution of the "white ears" is not at random. It iseither in essential agreement with the contagious or with the negative binomialdistribution, depending on the size of the sampling unit. Based on the form of population distribution the questions of sampling tech-nique, the design of field experiments, the transformation of data for statisticalanalysis, as well as the habits and control of insects have been discussed inrelation to the rice stem borer. Since the populations of larvae and "whiteears" differ significantly from the random distribution, a new technique forsampling has been proposed. It is hoped that this may be useful in the investi-gations on the relative effectiveness of control operations and for census purposes.

(一)本文就昆虫常见的数种集团分布:潘松分布、核心分布和负二项式分布的公式、性质和例子等略加讨论介绍。 (二)我们在广州附近对三化螟各时期和白穗、枯心苗的田间分布型式作了初步的调查,所得结果如下: 1.螟蛾和卵块在秧田上是随机分布的。 2.幼虫在本田分布不随机,符合核心分布和负二项式分布。 3.白穗在田间的分布不随机,1×1丛、2×2丛、……6×6丛各种取样单位型样本均符合负二项式分布,4×4丛、5×5丛和6×6丛三种取样单位型样本则更符合核心分布。 4.稻遗株内越冬幼虫分布不随机,亦不符合核心分布,但符合负二项式分布。 5.晚造本田枯心苗田间分布不随机,符合核心分布和负二项式分布。 (三)本文就昆虫集团分布型式的调查在实用上的意义,联系到三化螟来讨论,我们论及与虫害调查取样技术、田间试验设计、统计代换方法、昆虫生活习性和害虫防治等各方面的关系;其中取样技术方面,我们举出针对三化螟幼虫在本田和白穗不随机分布的取样新方法的尝试,希望对今后螟害调查工作有所帮助。 (四)最后,我们就一些昆虫分布的特殊问题加以论列,像密度对分布型式的影响,混合集团和环境因素的影响于昆虫集团$...

(一)本文就昆虫常见的数种集团分布:潘松分布、核心分布和负二项式分布的公式、性质和例子等略加讨论介绍。 (二)我们在广州附近对三化螟各时期和白穗、枯心苗的田间分布型式作了初步的调查,所得结果如下: 1.螟蛾和卵块在秧田上是随机分布的。 2.幼虫在本田分布不随机,符合核心分布和负二项式分布。 3.白穗在田间的分布不随机,1×1丛、2×2丛、……6×6丛各种取样单位型样本均符合负二项式分布,4×4丛、5×5丛和6×6丛三种取样单位型样本则更符合核心分布。 4.稻遗株内越冬幼虫分布不随机,亦不符合核心分布,但符合负二项式分布。 5.晚造本田枯心苗田间分布不随机,符合核心分布和负二项式分布。 (三)本文就昆虫集团分布型式的调查在实用上的意义,联系到三化螟来讨论,我们论及与虫害调查取样技术、田间试验设计、统计代换方法、昆虫生活习性和害虫防治等各方面的关系;其中取样技术方面,我们举出针对三化螟幼虫在本田和白穗不随机分布的取样新方法的尝试,希望对今后螟害调查工作有所帮助。 (四)最后,我们就一些昆虫分布的特殊问题加以论列,像密度对分布型式的影响,混合集团和环境因素的影响于昆虫集团分布类型等,就中说明了密度过大过 小时了解分布型式成为不必要的,因为极度的不均衡会回复为均衡状态的。

The present paper continues an earlier investigation of the application of Meyer's theory of a gas mixture of two components to a solid solution AB inhabiting a lattice of the type AB by considering the A. atoms inhabiting the two different sublattices as forming two different components. It is proved that the different irreducible cluster integrals are linear functions (and hence the free energy of the solid solution) of coordination numbers of the type

这篇论文是作者之一的某一篇论文的继续。论文分四节。在第一节中我们讨论的对象是应用二元混合气体的买厄理论至一个在AB型晶体上的二元固溶体而获得的不可约集团积分B(v_1,v_2)。我们严格地证明了它们是某一些晶体常数z_1,z_2,…的线性函数。这些常数的定义为 1/((1/2)N)∑λ_(ab)λ_(a′b′)… ,式中N代表晶点阵的点的总数,λ_(ab)为邻矩阵,定义为 λ_(ab)=1 如果ab为近邻, =0,如果ab不是近邻,a,a′,…互不相等,b,b′,…也互不相等,而乘积λ_(ab)…为全部下标的一个不可约乘积。证明共用了三个定理,同时也援用了一个所谓基本不可约集团的定义。 在第二节中,我们应用了第一节的讨论对B(2,3)作了计算。 在第三节中,我们应用第一节的结果,简化了求固溶体自由能的Kirkwood方法,同时也利用了简化的方法求得了自由能对(kT)~(-1)展开的幂级数中(kT)~(-7)的系数。比(kT)~(-7)更早的项的系数早已在作者之一的一篇论文中求得。 在第四节中,我们利用第一节的结果,证明了严格理论在忽略z_2,z_3,…时即成了Bethe理论的第一级近似...

这篇论文是作者之一的某一篇论文的继续。论文分四节。在第一节中我们讨论的对象是应用二元混合气体的买厄理论至一个在AB型晶体上的二元固溶体而获得的不可约集团积分B(v_1,v_2)。我们严格地证明了它们是某一些晶体常数z_1,z_2,…的线性函数。这些常数的定义为 1/((1/2)N)∑λ_(ab)λ_(a′b′)… ,式中N代表晶点阵的点的总数,λ_(ab)为邻矩阵,定义为 λ_(ab)=1 如果ab为近邻, =0,如果ab不是近邻,a,a′,…互不相等,b,b′,…也互不相等,而乘积λ_(ab)…为全部下标的一个不可约乘积。证明共用了三个定理,同时也援用了一个所谓基本不可约集团的定义。 在第二节中,我们应用了第一节的讨论对B(2,3)作了计算。 在第三节中,我们应用第一节的结果,简化了求固溶体自由能的Kirkwood方法,同时也利用了简化的方法求得了自由能对(kT)~(-1)展开的幂级数中(kT)~(-7)的系数。比(kT)~(-7)更早的项的系数早已在作者之一的一篇论文中求得。 在第四节中,我们利用第一节的结果,证明了严格理论在忽略z_2,z_3,…时即成了Bethe理论的第一级近似。如果将自由能表为z_1,z_2,…的函数而称它们的系数为f_1,f_2,…,那末我们指出:只消研究在某些赝点阵上的固溶体的配分函数,便可以求出f_1,f_2,…,同时我们也指出:在这些赝点阵上的固溶?

This short papper applies a method for studying the configurational partition function of regular solutions developed by Wang, Hsu and the author to a number of special cases. In sucb concrete calculations it is seen that the method is applicable to almcst every type of solid solutions. In fact, its applicability is independent of the type of lattice which atoms of the solution inhabit, of the existence of the long distance order, of the existence of interactions between atoms more distant than nearest neighbours,...

This short papper applies a method for studying the configurational partition function of regular solutions developed by Wang, Hsu and the author to a number of special cases. In sucb concrete calculations it is seen that the method is applicable to almcst every type of solid solutions. In fact, its applicability is independent of the type of lattice which atoms of the solution inhabit, of the existence of the long distance order, of the existence of interactions between atoms more distant than nearest neighbours, and of the number of components in the solution. Since the method is actually an expansion of the configurational free energy in terms of certain coordination numbers of the lattice, the results of the calculations after ignoring the higher coordination numbers become closed expressions in terms of the Boltzmann factors and thus avoids expansions in kT or in (kT)-1. Needless to say, expansion of the results obtained here in (kT)-1 gives results identical with those obtained by Kirkwocd's method.

这篇短文分二节,第一节是将王德懋,许永焕及作者所合写的一篇论文中的求固溶体的配分函数的方法,应用到各种固溶体上。我们处理了二种不同晶体结构的情形,处理了有长程秩及无长程秩的情形,处理了只有最近邻作用而无其他邻作用的情形及既有最近邻作用又有次最近邻作用的情形。在各种不同情形下,这个方法都被证明是合用的。 第二节是用同一方法讨论准化学公式。我们证明了在保留了这个方法中所谓结构常数中的最低一个时,准化学公式是成立的,不论固溶体中有多少种原子。其次,我们指出,在保留较高级的结构常数后,寻常的准化学公式应如何的改进。最后我们直接写下三个互为近邻的原子所构成的各种不同的集团的数目的准化学公式,讨论了与此相应的组合数,并指出这样的理论与我们的理论是不同的。

 
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