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To prepare studying hierarchical intelligent control system of material flows in mineral processing plant further, picturing, transition rulers, analytic methods, relevance matrix and dynamic equation, defect in applying of Petri network, fall short of orient object models applying are discussed after technology of formalization model built, non-formalization built and compound model. And Petri network system with time attribute is expanded opening network system with interface of input and output. The network system expanded with all attributes of basic Petri network model has hierarchy and recursiveness, can be analyzed with mathematical tools of network system and can deal with concurrent and asynchronously also.

为了对选矿厂生产物流递阶智能控制系统的进一步研究奠定基础，本文在讨论了形式化建模技术、非形式化建模技术和复合模型的基础上，研究和分析了Petri网的图形表示、变迁规则、分析方法、关联矩阵与动态方程、Petri网模型应用中的缺陷、面向对象模型应用中的不足，并把采用赋时的Petri网系统扩展成为对外界有输入和输出接口的开放网系统，扩展后的Petri网具有递阶性和递归性，同时保持基本Petri网的所有性质，使模型仍可采用网系统数学工具进行分析，并可处理生产物流系统中的并发性和异步性。

In this paper the importation of translations that the value orientation of personnel, organization and personnel employment orientation towards the mobile space changes focusing on concepts, organizations, systems, cultural, and social aspects of China's human impact on the flow of major issues, from the political, economic, cultural, market, environment etc., the promotion and protection of the rational flow of talents to deal with comments and suggestions, as follows: In politics, setting up the political sense of talent with the progress of time spirit, implementing roundly the strategy to strengthen nation by relying on talent, establishing quickly the system to manage talent and reforming the system of personnel; In economy,talent flow corresponding with economic construction, assorting talent's structure with economic structure, paying attention to the economic benefit from talent flow, quickening to construct the social welfare system of talent, founding the flexible system of employment and reducing the cost of talent flow; In culture, stressing on the functions of culture for talent flow, cultural model corresponding with the model of talent flow, sparking plug the excellent culture to facilitate talent flow and erecting the cultural system to motivate talent flow; In marketing, unifying the thinking to developing talent market, enhancing the construction of talent market and fastening the growth of service agency for talent; In surroundings, grasping the elements of talent surroundings, optimizing the circumstance of talent flow and building the condition to look after the security of talents.

本文指出了人才价值取向、组织用人取向和人才流动空间走向的变化，着重从观念、组织、制度、文化、社会等方面具体分析了影响我国人才流动的主要问题，从政治、经济、文化、市场、环境等方面研究，提出了促进和保障人才合理流动的意见和建议，包括：树立与时俱进的人才政治理念，全面实施人才强国战略，加快构建人才领导体制，改革创新人事制度等政治对策；人才流动与经济建设对应，人才结构与经济结构协调，讲求人才流动的经济效益，加快人才社会保障体系建设，建立灵活的就业体制，降低人才流动的经济成本等经济对策；注重文化功能对人才流动的作用，倡导促进人才流动的优秀文化，构建激励人才流动的文化机制等文化对策；统一人才市场发展思路，突出人才市场建设重点，加快人才服务业的成长等市场对策；优化人才流动环境，构建人才安全环境等环境对策。

According to structural characteristics of floating slab tracks, a track segment element was taken between two adjacent fasteners. For each element, rails were regarded as Euler beams supported by discrete viscoelastic supports. The fasteners and rubber supports were replaced by a linear spring and damp. So the vibration model of the floating slab track was established. In constructing vibration model of a metro train, each car of the metro train with two suspensions was modeled as a multi-rigid body system, in which rigid bodies were connected with each other by a linear spring and damp. Combining the potential energy of vertical vibration of the track with that of the metro train, the total potential energy of vertical vibration of the train and track was obtained. And then, the matrix equation of vertical vibration of the system was established using the principle of total potential energy with stationary value in elastic system dynamics and the "set-in-right-position" rule for formulating system matrices. The vibration responses of the system can be obtained by solving the matrix equation with the direct time integration such as Wilson-θ method.

摘 要：针对浮置板式轨道结构特点，取相邻2个扣件之间的轨道为1个轨段单元，钢轨视为连续弹性点支承Euler梁，浮置板视为弹性薄板，扣件系统及橡胶支座均模拟为线性弹簧及粘滞阻尼器，建立浮置板式轨道振动模型；将城轨列车中的车辆均离散为多刚体系统，各刚体之间通过线性弹簧及粘滞阻尼器相连，建立列车振动模型；将浮置板式轨道及列车振动势能叠加，得到系统竖向振动总势能；基于弹性系统动力学总势能不变值原理及形成系统矩阵的"对号入座"法则，建立此系统竖向振动矩阵方程；采用Wilson-θ逐步积分法求解此矩阵方程，得出此系统竖向振动响应。

In this thesis, how to study and apply of system of CRM based on Web are discussed. Firstly, we summarize the principle of CRM, beginning with the current research condition, and introduce the concept, features and management principle of CRM. Secondly, we illustrate the basic architecture of web-based CRM system to form the basis of the further research and propose the integration of CRM system to the front end of enterprise, namely, the study on the business process re-engineering of CRM system. Then we discuss the key technique knowledge on CRM system based on Web, which included the technology of system interface, system safety and the design of net framework. And explain the technology of web service is a good solution to the problem of system interface in the Internet and the advantage of the develop way based on the B/S pattern. According to an application of CRM system based on Web, this thesis explains how to set up a CRM system based on Web, which include the customer requirement, analyzing the business process, system framework and system safety. At last, this thesis puts forward the extensive foreground of the system of web-based CRM with the expanding of the web technology and explains that there are some questions are to be resolve stilly in this thesis.

本文的研究内容首先从客户关系管理的研究现状出发，对客户关系管理加以概述，阐述CRM系统概念、系统特点和核心管理思想；并阐明了基于Web的CRM系统的基本架构为进一步的研究作铺垫，提出CRM系统对企业前端的整合，即对CRM系统的业务流程重构的研究；接下来说明基于Web的CRM系统开发的关键技术，包括系统体系结构的选择，系统接口以及系统安全三方面的技术要求，具体说明了B/S模式的原理及优点，Web Service是解决基于B/S模式系统的接口问题的最好方案；然后以一个销售管理CRM系统为例，说明如何构建一个基于Web的CRM系统，包括了系统设计要求、系统实现、系统功能框架和系统安全机制；最后根据当前通信和网络技术的发展，展望基于Web的CRM系统应用的广泛前景，并对在本文研究中还存在需要改进的地方进行了探讨。

The invention relates to a method for synchronizing at least one node of a bus system, which is operated with a predeterminable system clock period, whereby a local clock period and a reference clock period are given for the at least one node, and the reference clock period is synchronized with the system clock period. A local clock period, which is synchronized with the system clock period, of the at least one node is produced whereby linking the local clock period with a splitting factor, whereby the splitting factor represents a ratio of the reference clock period to the local clock period. The splitting factor for synchronizing the local clock period with the system clock period is adapted by adding or subtracting a adaptation value.

用于同步至少一个总线用户的方法，所述的总线系统用可预定的系统周期运行，由此为该至少一个用户给定局域时钟脉冲周期和基准时钟脉冲周期并且把局域时钟脉冲周期与系统时钟脉冲周期同步，其中通过把局域时钟脉冲周期与分配系数相关联的方式产生同步到系统时钟脉冲周期的、至少一个用户的局域时钟脉冲周期，其中，分配系数说明基准时钟脉冲周期与局域时钟脉冲周期的比例，其特征在于，通过加或者减一个适配值或者说补偿值，对用于把局域时钟脉冲周期与系统周期同步的分配系数进行匹配。

The agitation power consumptions in boiling systems decrease uniformly with the increase of agitation speed, whereas the relative power demand (RPD-the ratio of agitation power input of HEDT for gassed system to that for ungassed system and under the same agitation speed) can maintain at a high level for high gas loadings even when the impeller is operating with a high impeller tip speed. The gas hold-up in the boiling system is much lower than that in the cold gassed system, and the gas hold-up in boiling system increases at first and then decreases with the increase of the agitation power consumption per liquid mass P(subscript m. It implies that the boiling three-phase system has a maximum gas hold-up point. The changes of nucleation site of vapour bubble and the character of suspension of the solid particles with the rotational speed of the impeller are responsible for those behaviors mentioned.

在沸腾条件下，搅拌功率消耗随着搅拌转速的增加有所下降，但HEDT桨具有较高的载气能力，即使在高叶端线速度下，相对功率消耗仍能保持在较高的水平；沸腾体系的气含率随单位质量流体输入功率的增加表现出先增后减的规律，即存在气含率的极大值，蒸汽成核位置和固体颗粒悬浮特性随搅拌功率增加而改变是造成上述行为的主要原因；沸腾体系中的气含率远远低于常温通空气体系。

Because there are many types of components, it selects components appropriately based on the demand of products. This system is made up of the mode of coating paper with rollers, drive system composed of steel net supported and three drivers, dryness system composed of oven with air floated and drying um with electric tubes, synchronous control system with the positions of strain rollers. And it developed an appropriate software of control system. This system achieves demands of operation, stabilization, continuity and high efficiency.

由于涂布系统中各部件存在多种类型，根据生产产品的品质要求对涂布系统各部件进行了选型，最终选择了门辊涂布方式，采用钢网支撑，三电机控制的传动形式，结合气浮式烘箱以及电热管加热的烘缸组成的干燥系统，张力辊位置为控制对象的同步控制系统，同时设计了一套相应的软件控制系统，以实现连续稳定高效的生产要求。

This study describes the multi-facet systematic evolution of the said rural community from 1907 to 2007: from the perspective of ethnic culture, it has changed from a single ethnic cultural community of Yoghur(Ethnic Yugur\'s self-name) ethnic group into a multi-ethnic cultural community with Yoghur ethnic group as the dominating majority and embracing the ethnic groups of Han, Tibetan, Tu, Mongolian and Kazak; from the perspective of language, it has changed from a community where Yoghur and Tibetan languages dominated with the local Chinese dialect and the written Chinese language as the subordinate into one where the local Chinese dialect and the written Chinese language dominate with the Yoghur language as the subordinate; in the perspective of marriage and heirship system, from a parallel operation of two systems (patrilineal heirship for official marriages and matrilineal heirship system for matrimonial forms through the head-wearing ceremony) to monogamy and patrilineal heirship; in the perspective of means of living, from animal husbandry complemented with hand knitting and camel caravan transporting to agricultural farming complemented with animal husbandry and many others; in the perspective of social organization, from a traditional tribe to a modern country society; in the perspective of political system and social management, from the customs-authority management which combined the dominating headman hereditary system under the tribal union of an imperial dynasty and the subordinating elite influence, to the resource-interest management of party-government departmental system under the ethnic minority autonomy of a nation state; in the perspective of religious faith, from a coexistence of the Gelug Tibetan Buddhism and Shamanism and the devout ancestor worship to the currently prevalent ancestor worship with religions declining and faith weakening; in the perspective of education, from the local-knowledge-oriented education to an official-knowledge-oriented education, in which modern schooling has become the major educational organization instead of the former traditional temple education; the school has replaced the temple as the "knowledge-culture" communication center; at least in the minds of the local people the central role of family education during the children\'s cultural development has also been replaced by schooling.

本研究描述了1907～2007年间，这个乡村社区的多面向的系统变迁：从族群文化的角度而言，从一个以尧乎尔为绝对主体的单一族群文化社区转变为一个以尧乎尔为主体的、有汉、藏、土、蒙古、哈萨克等组成的多元族群文化社区；从语言文字的角度而言，从一个以尧乎尔语和藏文为主，以汉语方言和汉文为辅的社区转变为一个以汉语方言和汉文为主，以尧乎尔语为辅的社区；从婚姻与继嗣制度的角度而言，从一个双系并行(明媒正娶婚行父系继嗣制度，帐房戴头婚行母系继嗣制度)的社区转变为行一夫一妻制和父系继嗣制度的社区；从生计方式的角度看，从一个以畜牧业生产为主，以手工编织和驼队运输为辅的社区转变为一个以农业为主，以牧业为辅的、多种生计方式并存的社区；从社会组织的形态而言，从一个传统部落社会转变为一个现代乡村社会；从政治制度和社会控制的角度而言，从帝制王朝的部落联盟制下头目世袭制为主，户族精英为辅的习俗—权威型控制方式转变为一个民族-国家中民族区域自治制度下以党政科层制的资源—利益型控制方式；从宗教信仰的角度而言，从一个格鲁派藏传佛教和萨满教并存，祖先崇拜之风甚烈的社区转变为寺庙衰落、信仰淡化、惟祖先崇拜仍广为流行的社区；从教育的角度而言，从一个以地方知识教育为主的社区转变为一个以官方知识教育为主的社区，现代学校教育取代了传统寺庙教育成为社区的主要教育组织形式，学校取代寺庙成为&知识—文化&传播的中心，在青少年儿童的文化成长过程中，家庭教养扮演的中心角色，至少在乡民的观念上被学校教育替代。

For the first time, a screw pile and pile driver system for preventing flood and rushing to deal with an emergency was manufactured. The screw piles of the system is different from screw drills used to sap, and it doesn't push soils out. Analyses, including the screw pile's structural strength analysis and the screw blade's welding analysis, were done by ANSYS, which showed that the screw pile's structural strength is enough and that the distort of the screw blade is small. Testing on the screw pile and pile driver system showed that the system performed stably and could meet the need of preventing flood and rushing to deal with an emergency. A mechanics model of interaction of a screw pile and soil was built, and expressions of torque of screw pile's cylindrical part on the condition of screw pile's crew part being driven into soil fully were gained, then the relation of the torque with screw pitch and out diameter of cylinder, which shows the torque decreases with the screw pitch increasing, and that the torque increases with the out diameter of cylinder increasing, which was according with the experiments of the screw pile's being driven into soils, and thus a screw pile with the best structure was chosen. Experiments of bionic surface showed that, on the condition of certain pressure on the surface, the protruding bionic surface can not reduce adhesion and resistance and that the corrugated bionic surface can reduce adhesion and resistance. An orthogonal experiment of the corrugated bionic surface was done with the factors including the width of protrusion, the space between two protrusions, the trolley's velocity and the vertical surface pressure and with the surface frictional coefficient as the experimental target, and some inclusions were drawn that the best combination of the factors was acquired and that the width of protrusion affected the surface frictional coefficient remarkably.

研制了防汛抢险螺旋桩机系统，提高了沉桩作业效率；利用ANSYS对桩体进行整体结构强度分析以及螺旋叶片的焊接分析，表明桩体结构强度足够，焊接过程中，螺旋叶片的变形小；对整个螺旋桩机系统进行试验，表明该系统性能可靠，工作稳定，作业效率高，能够满足防汛抢险沉桩作业基本需要；建立了螺旋桩桩土作用力学模型，得出螺旋桩沉桩过程中螺旋桩螺旋部分完全进入土体时螺旋桩圆柱部分所受扭矩以及扭矩与防汛抢险螺旋桩的螺旋导程和圆柱外径的关系曲线，表明螺旋桩螺旋部分完全进入土体时螺旋桩圆柱部分所受扭矩随着螺旋导程的增大而减小，随着圆柱外径的增大而增大，这与螺旋桩沉桩试验结论相符合，据此优选出最佳结构的螺旋桩；仿生曲面试验表明，尺寸较小的球冠突起型仿生曲面在一定压力作用下未能起到减粘降阻的作用，而尺寸较大的波纹型仿生曲面相对平板具有一定的减粘降阻作用；以波纹型仿生曲面突起宽度、波纹型仿生曲面两突起之间间距、台车的牵引速度以及叶片表面垂直载荷为因素，以曲面摩擦系数试验指标进行正交试验，寻求出在一定试验条件下最佳因素水平组合；波纹型仿生曲面突起宽度在本试验条件下对曲面摩擦系数影响显著，而其它几个因素对曲面摩擦系数影响均不显著；通过波纹型仿生曲面突起宽度和台车牵引速度的单因素试验，表明曲面摩擦系数随着仿生曲面突起宽度的增大而减小，而随着台车牵引速度的变化基本保持不变，和正交试验结果保持一致。

Based on these, an improving μ-synthesis is presented, with which the high-purity distillation is designed well. 2. The robust performance problem of MIMO plant is explained with the plant direction angle, which shows that the robust performance varies with different input uncertainties and the μ-synthesis should be applied correctly according to the uncertainty structure. 3. Condition number and bandwidth are the important items for robust performance design in MIMO system. The H〓 two-block problems can not deal with the robust performance design of MIMO system because of the condition number cancellation. A general μ-synthesis procedure for MIMO system with uncertainties is presented. 4. For the SISO system, the object function in robust performance is amplified by at most 〓 than that of H〓 two-block problems in value: So the robust performance of SISO system can be done with the H〓 two-block problems to avoid the complicated μ-synthesis procedure. 5. All the conclusions and methods presented in this paper are demonstrated by some typical design examples.

从而形成一种改进的μ综合方去，并对精馏塔病态对象进行了鲁棒性能设计，得到令人满意的结果；（2）利用对象的方向角解释了MIMO对象鲁棒性能设计出现问题的原因，并提出不同输入摄动形式下系统的鲁棒性能问题也并不相同，因此利用μ综合处理鲁棒性能设计时，应根据不同的摄动情况采用不同的结构进行设计：（3）条件数问题和带宽问题是MIMO系统鲁棒性能设计的两个主要问题，指出由于条件数对消的存在使得一般H〓两块问题无法处理MIMO系统的鲁棒性能设计，而μ综合方法则是处理MIMO系统鲁棒性能设计的有效方法，并给出了其处理MIMO系统鲁棒性能设计的一般性方法；（4）提出对于SISO系统H〓两块问题（S/T问题、S/KS问题）的设计指标函数与鲁棒性能设计的μ指标函数在数值上最大差〓倍，因此对于一般SISO系统的鲁棒性能设计可以简单地用一般的H〓的两块问题处理，而避免μ综合设计的复杂过程；（5）本文中提出的结论和算法都利用H〓/μ发展中的典型例子：Doyle-Stein问题，Safonov的战斗机模型，精馏塔对象等进行了设计验证。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。