查询词典 null algebra

We do some research in a kind of five-order algebra curve's structure.

对一类五次代数曲线的结构进行研究。

In the same time, after shortly review the Halclanes description of the quantum Hall effect on 2-sphere S2, we obtain the corresponding noncommutative algebra An and the Moyal structure of the Hilbert space.

同时在回顾了Haldane在二维球面S~2上对量子Hall效应的描述，我们构造了S~2的非对易代数及其Hilbert空间的Moyal结构。

Starting from RTT re-lations the integrable Hanfiltonian of thc q-deformation Goryachev-Chaplygin quan-tum top is established,which can reduce to the Hamiltonian of Hubbard model byusing multi-fermion realization of SUq(2)algebra and mean-field approximation.

从RTT关系式出发，我们建立了一个可积的哈密顿量，就是q-形变的Goryachev-Chaplygin量子陀螺，通过SUq(2)代数的多费米子实现和平均场近似，此量子陀螺可以和凝聚态理论中的Hubbard模型联系起来。

Shools are urged to prepare more students to take algebra by the eighth grade.

敦促学校使更多的学生在八年级的时候开始上代数课。

In Part II , we introduce the definition of so called standard Kac-Moody algebra by using g-module, and prove that Serre relationis the defining relation of any standard Kac-Moody algebrag .

第二部分：我们利用-模引进所谓典范的Kac-Moody代数的定义，证明了Serre关系式是任意一个典范Kac-Moody代数g的生成元定义关系(定理2.2)。

The ordinary numbers of arithmetic and elementary algebra are known as scalars.

算术和初等代数中普通的数通称纯量。

The algebra system quasi ring has been further studied by using the quasi group.

对所建立的新的代数系统———拟环作了进一步探讨，给出了一些新的性质。

Fisrt of all , It introduces the matheds and steps of using MATLAB to solve algebra Riccati equation ; Secondly , It is the design of autopilot schemes of three channels ; And in the end , the most important is the simulation of control system making use of software Simulink of MATLAB , and according to the curves , this thesis compares the two working estates and judge the stabliziation of control system .

文章首先介绍了利用MATLAB软件求解代数Riccati方程的方法及步骤；然后分别设计了三个通道的自动驾驶仪；最后，利用MATLAB的Simulink对所设计的控制系统进行仿真，并根据所得到的曲线，对比有无自动驾驶仪两种工作状态下的系统稳定情况。

I believe that it's very useful for Computer science students who learning Boolean algebra and predicate logic.

我相信对于学习布尔代数学和谓词逻辑的计算机科学学生来说它是非常有用的。

By taking the strategy of uniting geometry with algebra and using the method of minimal value, the relationships of intersection, parallels and perpendicular between two three dimensional spaces in four-dimensional descriptive geometry are investigated and the calculation formula of the distance between two three-dimensional spaces are given.

用形数结合的观点和条件极值法，研究了四维空间的两三维空间的相交、平行和垂直的相互关系计算出两平行三维空间的距离。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。