查询词典 mechanisms

Mechanisms evolved to solve specific adaptive problems faced by our ancestors in the environment of evolutionary adaptedness ）这些就是领域特殊性机制（ domain-specific mechanisms

2：机制进化以用来解决我们的祖先在进化适应的环境中所面临的具体的进化问题。

Wuhan rail transportation enterprises to develop technical standards Limited 47, 22 work standards and management standards 41, 51 security regulations, and these standards and systems as a basis for the establishment of a production scheduling and production operations control management mechanisms, mechanisms station passenger services, Shengwu based management mechanisms and infrastructure maintenance management mechanism.

武汉市轨道交通有限公司制定了企业技术标准47项、工作标准22项、管理标准41项、安全规章制度51项，并以这些标准和制度为基础，建立了生产调度和生产作业控制管理机制、车站客运服务工作机制、基础乘务管理机制和基础设备系统维修管理机制。

The deformational mechanisms of shipside in ship collisions are systemically discussed in this paper. The deformation and damage of shipside mainly include the extension of side shell, the crushing of transverse webs and longitudinal stringers, crushing of decks, etc. The deformational mechanisms of side plates acting on various impact loadings and the crushing mechanisms of inner structures of shipside are discussed in this paper.

本文系统地整理和讨论了船侧结构在船舶碰撞中的变形机理，被撞船的变形和损伤主要包括船侧板的拉伸，横向肋框和纵向桁材的压溃，甲板的压溃等，本文分别介绍了船侧板在承受各种冲击载荷时的变形机理以及船侧内部结构的压溃机理。

First, in the aspect of influence of knowledge transaction cost factors on the choice of knowledge transfer mechanisms,"task uncertainty","information completeness","information asymmetry", and "knowledge tacitness" had direct influence on knowledge buyers when they chose knowledge transfer mechanisms. While "trust","task uncertainty","information completeness","knowledge tacitness","knowledge asset specificity" had indirect influence on the choice of knowledge transfer mechanisms.

在知识交易成本因子对知识移转机制选择之影响方面，「任务不确定性」、「资讯完备性」、「资讯不对称性」与「知识内隐性」对组织内知识需求者知识移转机制选择有直接影响，而「信任」、「任务不确定性」、「资讯完备性」、「知识内隐性」与「知识资产特殊性」则是对知识移转机制选择有间接影响；2。

To sum up, relationship between managerial mechanisms and economic performance,namely the effects of governmental managerial mechanisms on the allocation ofagricultural resources, was described and discussed objectively in this paper. Positive andnegative effects of managerial mechanisms on economic performance in agriculture can beseen.

现代新制度经济学强调制度结构以及制度变迁是影响经济绩效以及经济发展的重要因素，即在国家力量作用下的制度变革和制度创新对引起经济增长和发展的各种要素起着极为重要的主导和诱使作用。

This thesis investigates the profile extraction and shape optimization on the result of topology optimization of planar compliant mechanisms. The main context includes the following work:(1) summarizing and analyzing the recent research status, some harvest and unsolved problems;(2) analyzing the conceptual design of planar path-generating compliant mechanisms and its mathematical model and tools;(3) Modifying the method of density contour as the method of profile extraction, and developing a method to optimize the density function in the profile extraction according to the requirement of the design of compliant mechanism;(4) developing a method to abstract the compliant mechanism into a form of links and joints by using the principle of connectivity on topology;(5) developing a method of shape optimization of planar path-generating compliant mechanisms, by representing the profile of the abstracted compliant mechanism as simple curves such as straight lines and arcs, establishing the models of the size optimization of the parameters of these curves, so that the compliant mechanism has a machinable shape;(6) At last, proving the feasibleness and effectiveness of the design method by making simulation design and validating it in FEA software.

主要工作包括：(1)分析了柔顺机构拓扑优化和形状优化的研究现状，分析了目前柔顺机构的研究重点、主要成果和尚未解决的问题；(2)分析了基于SIMP的柔顺机构概念设计方法及其相关工具和模型；(3)针对柔顺机构轮廓提取的特殊要求，提出了密度等值线法的改进方案，对密度函数插值点密度值进行优化，提出优化模型和选择优化算法；(4)根据轨迹输出平面全柔顺机构自身的形状特点，提出了轨迹输出平面全柔顺机构的抽象方法，即应用拓扑学上的连通性原理将柔顺机构抽象成杆件和结点形式，并对相应的数学原理进行了证明；(5)提出了平面全柔顺机构的形状还原和尺寸优化方法，对抽象的柔顺机构进行还原，将其轮廓还原成简单曲线的连接，从而建立尺寸优化模型，对机构进行尺寸优化设计，在得到可加工的机构轮廓的同时又能对关键部位进行特别处理；(6)进行了柔顺机构的数值仿真设计，并将所得设计结果导入商用有限元软件中进行仿真实验，证明了设计方法的可行性和有效性。

The reoxidation mechanisms of IF steel containing Al and Ti by reducible oxides in the slag were analyzed. A model of predicting total oxygen in the molten steel was established based on the reoxidation mechanisms. It was found that two different reaction mechanisms existed when and in the slag reoxidated the molten steel.

分析了IF钢冶炼过程中渣对钢液中、的氧化机理，在此基础上提出了IF钢加铝脱氧后全氧的预测模型结果表明，熔渣中、对钢液的二次氧化存在两种方式。

Based on the introduction of the theory of the polymer solutions, the mechanisms of DNA separation by the capillary electrophoresis in non-gel sieving matrices are reviewed in this paper, which includes Ogston sieving model, various modified reptation models, transient entanglement coupling mechanisms and its improved mechanisms.

本文在介绍高分子溶液理论的基础上，综述了DNA在毛细管电泳无胶筛分介质中的分离机理，主要包括Ogston筛分模型、各种修正的爬行模型、瞬态缠结偶合机理及其改进机理等。

The invention discloses an organic compost turner, which consists of a turning part and a walking chassis. The walking chassis includes a chassis frame, a power part, a power transmission device, and a walking wheel. The invention is characterized in that: the turning part, arranged above the walking chassis, includes a motor frame, a major motor arranged on the frame, a transmission mechanism, and two horizontal scraper conveying chain mechanisms arranged symmetrically. The front end of the motor frame is arranged on the chassis frame of the walking chassis. The master motor drives the two horizontal scraper conveying chain mechanisms through the transmission mechanism. Scrapers of the two scraper conveying chain mechanisms move from the external side to the internal side at the front end of the turning part separately.

本发明公开了一种有机堆肥翻抛机，该机由翻抛部件和行走底盘组成，所述行走底盘包括底盘架、动力部件、动力传动装置和行走轮，其特征在于：所述翻抛部件设置在行走底盘的上方，其包括机架和安装在机架上的主电机、传动机构及对称设置的两个卧式刮板输送链机构，所述机架前端向下倾斜安装在行走底盘的底盘架上，所述主电机通过传动机构驱动两个卧式刮板输送链机构，两个刮板输送链机构的刮板分别在翻抛部件的前端从外侧向内侧运动。

Through analyzing the result of testing data, we found the influential factors, judged the stability of the movement of automatic mechanisms and wether the distribution of energy was appropriate, we also judged the rationality of viable speed because of hit among each part of automatic mechanisms and the resistance given by water. We also evaluated the overall performance of underwater small arms in order to provide parameter accordance for structure improvement of automatic mechanisms.

分析试验数据的处理结果，找出影响自动机运动规律的因素，判断自动机的运动是否平稳，能量分配是否恰当，各构件间撞击和水阻力引起的速度变化是否合理等，并进行了相应的性能评价，为水下轻武器自动机结构设计的改进提供参数依据。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。