Every vector space can be described as a direct sum of the cycle modules over the polynomial ring F[s] .
将数域F上n维向量空间视为数域F上多项式环F[s]上的模,给出了向量空间的模结构分解,指出任一数域上的向量空间都可表示为若干多项式环上循环模的直和形式,特别讨论了复数域和实数域上向量空间的分解情形,引入了变换(或矩阵)的特征值对应的生成根向量的定义,得到了循环模的生成元与变换的生成根向量之间的关系。
In this paper we make a brief discussion on whether or not a one-sided ideal composition series is still a modular composition series when a cyclic module acts on it.
就单边理想合成列在循环模作用后是否为合成列进行了简单地讨论 ,找到了不成立的反例 ,从而说明了单边理想合成列在模作用后一般不为合成列 。
In this paper,it is shown that for an R- module M the following are equivalent: \ \ (ⅰ)\ M is locally artinian; \ \ (ⅱ)\ every cyclic module in σ M is a direct sum of a self-projective M- injective module and a finitely cogenerated module.
证明了对于Ｒ－模Ｍ如下条件等价：（ⅰ）Ｍ是局部Ａｒｔｉｎ的；（ⅱ）σ〔Ｍ〕中每个循环模是一个自投射的Ｍ－单射模和一个有限上生成模的直和。
The structure of U b Γ cyclic module for quantum groups of the rank 1 is also shown.
证明了量子群有限维表示具有好滤过的上同调条件；给出了秩１量子群关于ＵｂΓ循环模的结
The Application of Cycle Simulation in the Variable Geometric Intake Design;
循环模拟技术在可变长度进气管设计中的应用
A Study on Cycle Simulation and Performance Optimization for CG125 Motorcycle Engine;
CG125摩托车发动机循环模拟与性能优化研究
Based on cycle simulation, the effects of the VVT mechanism structural parameters, control parameters and operational parameters on the engine performance were analyzed by embedding the VVT mechanism operational mode and control strategies in the engine cycle simulation.
以发动机工作过程循环模拟为基础,通过嵌入VVT机构运行模式和控制策略的系统参数,分析了VVT结构参数、控制参数、以及相应运转参数对发动机性能的影响,对VVT系统高速和低速工况的进气迟闭角、气阀升程、切换转速等参数进行了优化设计。
According to the obvious problem of the turbocharged diesel engine cycle simulation, a commonused and useful simulation program for turbocharged diesel engines has been developed.
针对涡轮增压柴油机循环模拟技术存在的突出问题,从通用性和实用化的角度出发,开发了一套通用性很强的涡轮增压柴油机循环模拟程序。
The modular structure design and realization for turbocharged diesel engine cycle simulation program have been studied and stated in detail in this paper.
对涡轮增压柴油机循环模拟程序模块化结构的设计与实现进行了详细的研究和论述。
On the basis of the theory, the author put forward four cyclic models of high efficient utilization of agricultural waste resources (including crop stalk).
阐述了食用菌对农业废弃物的循环利用状况 ,根据食用菌和农作物二者的生态学特性 ,分析了作物与食用菌在光照、通气、营养条件等方面形成的互补互促关系 ,并提出高效利用作物秸秆等农业废弃物的四种生态循环模
Aiming at the importance of urban water environmental quality in the urban ecological environment,the cycle model of urban water resources was illustrated.
针对城市水环境质量在城市生态环境中的重要性,论述了城市水资源循环模式,以邯郸市城市生态水网工程为例,分析了目前生态水环境存在的问题,并探讨了北方城市水环境的规划、修复和生态利用。
A Rabbit Model of Cardiopulmonary Bypass under Deep Hypothermia Circulatory Arrest
兔深低温停循环体外循环模型的建立
synthetic apparatus for weld thermal cycle
焊接热循环模拟装置
Models of Generalized Material Recycling and Its Policy Implication for Circular Economy in China;
广义物质循环模型及对循环经济的政策内涵
The cyclic model of the universe is clearly attractive.
宇宙的循环模式显然富有魅力。
Comparision between gas-steam combined cycle and APGC cycle based on aspen plus
蒸-燃联合循环与燃-燃联合循环的模拟和对比
Research on Environmental Institution Design under the Model of Circular Economy;
循环经济模式下的环境制度设计研究
The Circular Economy and Its Influence On the Environmental Legislation Mode;
循环经济及其对环境立法模式的影响
Develop Circular Economy and construct environment-friendly city--Circular Economy research under the Wenzhou Pattern;
发展循环经济,建设环境友好型城市——温州模式下的循环经济研究
Learn from the Models of Developed Countries Circular Economy and Design the Models of China s Circular Economy;
发达国家循环经济模式借鉴及我国循环经济模式设计
The circular economy is a new economic model.
而循环经济则是一种新的经济模型。
Circular economy is a new pattern of economic increase.
循环经济是一种新的经济增长模式。
Choices on circulation economy development model of Anshan steel industry
鞍山钢铁工业循环经济发展模式选择
Fuzzy Control for Bed Temperature Control System of Circulateion Fluidized-Bed Boilers
循环流化床锅炉床层温度的模糊控制
Pharmacokinetic model for the enterohepatic circulation of mycophenolic acid
麦考酚酸肠肝循环药动学模型的建立
Study on the Model Choice for Resources Recycling Legislation of China;
论我国资源循环利用的立法模式选择
Economic Model of Municipal Water Recycling and Technique Supporting System;
城市水循环经济模式与技术支持系统
Research on the Circular Economy Development Model of the Coal Enterprise of Shanxi;
山西煤炭企业循环经济发展模式研究
Numerical Simulation and Experimental Research in Internally Circulating Fluidized Bed;
内循环流化床的数值模拟与实验验证
