查询词典 null algebra

A dangerous signal recognition logic based on Boolean algebra with fuzzy shell and re- vised Gaines-Rescher implication operator is established,and the semantic properties of this logic are investigated,some interesting results are obtained.

建立了一种基于带Fuzzy壳Boole代数和修正的Gaines-Rescher 蕴涵算子的险象识别逻辑，并对这种逻辑进行了语义方面的研究，获得若干结果。

But then narratives algebra, in addition to India outside the rest of the world, and they are very ordinary existence for several hundred years, especially in Western Europe until the 15th century.

然而此后文字叙述代数，在除了印度以外的世界其它地方，还十分普通地存在了好几百年，尤其在西欧一直到15世纪。

Feasibility of this approach was analysed and composite algorithm was presented. Efficiency of this complicated process modeling was improved by solving time-related factors in the model with maximum addition algebra.

分析了该方法的可行性，给出了具体的合成算法和利用极大加法代数求解所建模型中相关时间的方法，从而提高了这类复杂过程建模的效率。

Two morphological operations with addition and multiple algebra structure for binary image-dilationa and erosion operation are proposed firstly.

通过在目标空间中引入加性及乘性代数结构的方法，提出了基于目标空间不同代数结构的加性及乘性膨胀和腐蚀运算、以及以此为基础所建立的形态滤波，并通过对于其性质的讨论研究了形态滤波的算法及性能。

The structure of this paper is as follows: Chapter 1 is devoted to investigating the history and development of soliton theory, theideas of the mathematics mechanization and computer algebra. In addition, some methodspresented by some domestic achievements and foreign ones for constructing the exact solutionsto NPDEs are introduced, such as inverse scattering method, B?

全文由三章构成：第一章介绍了孤立子理论的历史与发展、数学机械化思想与计算机代数，以及国内外学者所提出的精确求解非线性偏微分方程的若干方法，如反散射方法、B？

Software Description: About AlgeBasics, Teach and learn the basics of algebra including the addition, subtraction, multiplication and division of algebraic terms, order of calculations, simple indices and removal of brackets.

AlgeBasics 教授和学习包括加，减，乘和除代数术语，计算顺序，简单的指数和括号消除在内的基础代数学。

Angular Momentum Algebra, Addition of Angular Momenta, Identical Particle Effect, One Dimensional Periodic Quantum Systems, Introduction to Quantum Statistical Mechanics, Time-independent Perturbation Theory, Fine Structure, WKB Approximation, Variational Principle, Aharonov-Bohm Effect, Quantum Transition.

量子力学( S0583)(0，3)角动量代数、角动量加成、等同粒子效应、一维周期性量子系统、量子统计简介、定态微扰理论、精细结构、 WKB 近似、变分法、 Aharonov-Bohm 效应、量子跃迁。

This paper consists of three parts. Let F be a field of characteristic 0, A be a commutative algebra with identity over F.

但该领域尚有许多有意义的问题有待解决，本文主要是对该领域中一些问题进行研究。

David Eisenbud, Commutative Algebra with a view toward Algebraic Geometry

高级的代数几何、交换代数的参考书，最新的交换代数全面参考

In Chapter Seven, This chapter established on the comparison of the Fibonacci's Liber Abaci, al-Khwārizmī'algebra and al-Karajī's al-Fakhrī.

本章建立在对斐波那契《计算之书》、花拉子米《代数》、以及凯拉吉的《奇妙之事》中代数学比较研究基础之上，分析他们在代数技巧、代数方法有效性的证明方法、未知数设定、二次方程分类、算题选择和设置形式等方面的异同。

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。