查询词典 noncommutative ring

In section 2 of Appendix, we give the Hamiltonian theory of generic noncommutative case, it shows that in this case, Hamiltonian theory of generic noncommutative case is corresponding to the commutative case under a new operation rule.

在附录二中本文给出了非交换情形下一般的Hamiltonian理论，它说明非交换的Hamiltonian理论与交换的Hamiltonian理论在一种新的运算规则下形式上保持一致。

Noncommutative field theory means that fields are thoughts of as function over noncommutative space.

非对易场论意味着场量可以看作非对易空间的函数。

In Chapter 1, briefly introduce the concept of noncommutative space and nori-commutative field theory, review the history and important results of studying the noncommutative soliton solution.

第一章，简要介绍非对易的概念及非对易场论，回顾前人在非对易孤子解方面的研究。

The free theory of noncommutative fields is the same as in the commutative case, therefore we mainly focus on the interaction of noncommutative fields.

由于非对易空间下的自由场与相应的对易空间自由场在表现形式上完全相同，因此我们主要关心场之间的相互作用。

The progress make researchers pay more attention to noncommutative geometry and physics theories based on noncommutative space-time.

正是这一重大进展，促使人们投入大量精力重新开展对非对易几何及建立于非对易时空中的物理理论的研究。

Given a ring and a set of communication requests. Each request is represented by a pair of nodes, and associated with a profit. To satisfy a request in the undirected ring, we need to determine a path between the two nodes of the request in the ring. To satisfy a request in the directed ring, we need to determine a directed path from the source to the destination of the request in the directed ring. The goal of the call admission control problem is to determine and satisfy a maximum profit subset of the requests such that for every edge of the ring, the number of satisfied requests that are routed through the edge does not exceed the capacity of the edge.

要在无向环中实现一个呼叫，需在环中指定该请求所对应的两个顶点之间的一条路，要在有向环中实现一个呼叫，需在环中指定该请求的源节点到目的节点的一条路，环网络呼叫接纳控制问题的目标是确定最大利润的呼叫子集，在环中实现该子集中的每一个呼叫，使得经过每一边的呼叫的数目不超过该边的容量，对于无向和有向环网络呼叫接纳控制问题，我们均首次给出了多项式时间近似方案。

A general ring I is a clean general ring if and only if its power series ring is a clean general ring if and only if its skew power series ring is a clean general ring.

1一般环I是一般clean环当且仅当I的形式幂级数环是一般clean环当且仅当I的斜幂级数环是一般clean环。

The stationary ring of the device is fixed on the cover of the pump, the rotating ring and the pump shaft are in the endwise slip connection. The elastic cell acts on the direction for the rotating ring to press the stationary ring, while the pump shaft outside the pump cover is hinged with the flying iron, of which the force transferring end acts in the direction for the rotating ring to deviate from the stationary ring.

本装置的静止环固定在泵盖上，旋转环与泵轴在轴向滑动连接，所配置的弹性元件作用于旋转环的压向静止环方向，泵盖外的泵轴铰接飞铁，飞铁传力端作用于旋转环的脱离静止环方向。

The company has windowed corrugated plate packing, small ripple from the saddle ring loose fill, such as utility model patents, the main processing and manufacturing of petroleum, chemical, oil refining, coking, pharmaceutical and other industries within the pieces of stainless steel towers, such as: air-tube distributor, distributor disc groove, double row vane distributor, driven valve trays, tongue-shaped tray, floating tongue trays, sieve trays, bubble cap trays, metal mesh corrugated structured packing, metal packing puncture calendering, sheet corrugated structured packing, turtle nets, packing bearings, all kinds of loose packing such as Rasi ring, Pall Ring, ladder ring, flat ring, Intalox ring, metal wreath tower, etc.

公司拥有开窗式孔板波纹填料，细波纹环距鞍散堆填料等实用新型专利技术，主要加工制造石油、化工、炼油、焦化、制药等行业不锈钢塔器内件，如：管式空气分布器、槽盘式分布器、双列叶片式分布器、导向浮阀塔盘、舌形塔盘、浮舌塔盘、筛孔塔盘、泡罩塔盘，金属网孔波纹规整填料、金属压延刺孔波纹填料、板波纹规整填料、龟甲网、填料支承，各种散堆填料如拉西环、鲍尔环、阶梯环、扁环、矩鞍环、金属花环等塔内件。

In this paper the transfer function of noulinear control system is defined over a noncommutative polynomial ring, which can be extended into its quotient ring by Ore Theorem.

本文定义了非线控制系统的传递函数，这种传递函数定义在由一个非交换多项式环扩张而成的商环上用传递函数描述了非线性控制系统的三种基本联接：串联、并联与反馈。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。