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Methanol molecule participates in the proton transfer process, which takes place by a intermolecular six-membered proton-transfer transition state structure instead of the intramolecular four- membered. Consequently, the activation energy of the proton-transfer process is reduced greatly,resulting in the carbon-carbon bond formation process become the rate-determining step. The results are consistent with Aggarwal's the latest dynamics experiments.

CH3OH分子参与质子转移过程,使得原本通过四元环结构过渡态的质子转移过程通过六元环结构过渡态实现,从而极大地降低了质子转移过程的活化能,碳-碳键形成过程进而成为反应的速度控制步骤,研究结果与Aggarwal等的最新动力学研究成果相吻合。

At first step, the processor before the deformable body contact the end face of cone die cavity regarded as an extrusion process. The minification of core boss's cross-section regarded as compressibility of direct extrusion, which acted as definition factor when construct the Direct Extrusion Model element. Another step, the model element of flat punch extrusion on wedge piece process was constructed when propose the process of deformable body overflow die corner. In this way the spherical end face of blank looked as cone end face one, t he approximate treatment is one of originality innovation in this paper. At last, the two elements have been connected and constructed the model element of cone boss part's deformation in the open die forging.

对于锥形凸台成形的第一个特征时段,即坯料和锥形凸台型腔的端面接触之前的变形过程,本文将凸台的截面缩小率转换成挤压成形的压缩率并以此为界定,建立了不同截面缩小率时的锥形模正挤压的模型单元;对于锥形凸台成形的第二特征时段即锥形模的角部充满过程,在详细考察锥形型腔端面对变形过程影响的基础上,将变形体的球形端面近似成锥面建立了平冲头挤压楔形体的模型单元;最后将前述两种模型单元有机连结,构建了开式模锻中整个锥形凸台成形过程的定量描述。

Offering minimum deviation algorithm of the system, it may be proved to realize leading process by refreshing and reproducing process, a new way is explored for accurate forecast of coiling temperature.

研制出精确预测卷取温度的过程前置系统,并给出系统的最小偏差算法,证明通过过程刷新与过程再现可实现过程前置,为卷取温度的精确预测探索出一条新途径。

But because of the complexity and multiformity of the separation process synthesis itself, the actual theory and method can only solve some simple problems relatively, which exist lots of difficulties and deficiencies in the research of the separation process synthesis.

但是,由于分离过程本身的复杂性和多样性,目前的理论和方法还只能解决一些比较简单的问题,在分离过程综合研究方面还存在很多困难和不足。本文在分析分离过程本身特性的基础上,提出了一套分离过程综合的新方法。

Displaces is simultaneously pays great attention to the goal and the process, and the teaching process mutual conformity interaction, the multiplication, the dynamic process evaluation. By science of library classification this article straightens out the foundation (Contend analysis, Post-modernism, Multi-intelligence), connotation and evaluation tools (students card, growth portfolio, academic performance on biological learning) of the process evaluation.

取而代之的是同时注重目标与过程、与教学过程相互整合的互动化、多元化、动态化的过程性评价本文通过文献法理清了过程性评价的理论基础(建构主义、后现代主义、多元智能论)、内涵及所需的主要评价工具(学生生物学科日常学习记录卡、生物学科学生成长袋、生物学科学生成绩记录册)。

To solve the s-process network equation under general conditions and to create the corresponding computation code, 2.The input data base, 3. The neutron source of s-process and the neutron number density, 4. Combining the s-process heavy elements network and neutron source with the astrophysical site.

研究的内容主要是以下几个方面的问题:1、一般情况下的s-过程核反应网络方程的求解及相应计算程序的建立;2、输入数据库的建立;3、s-过程中子源问题的研究,中子数密度的计算;4、将s-过程重元素核反应网络、中子源研究与发生s-过程的天体环境结合起来。

Since batch operation of MRCRS can be applied easily and extensively in production process, a kind of non steady—state microbial reaction coupled with a complete cell recycle separation process is emphasized and analyzed. This dynamic process was characterized by which cells were retained completely by the recycle separation process without purge stream.

五 鉴于微生物反应一循环分离耦合过程的间歇操作在生产过程中极易使用,本文还分析了分离过程对细胞完全截留且没有任何洗脱流存在的非定态的微生物反应一完全细胞循环分离耦合过程的操作特性及其优化。

The results show that the working hardening behavior is affected by penetrability, which is determined by temperature, and the softening behavior is determined by the dynamic recovery and dynamic recrystallization.

进一步的分析表明:复合材料的形变过程中,加工硬化过程受渗透力的影响,主要取决于变形温度;软化过程取决于同时存在的动态回复和动态再结晶过程

The formula was established about calculating design parameters and technological parameters of ideal strip and bent strip in the period of forming. The thesis presented how to calculate the deformed area length and contact are radius of contact deforming between two elastic bodies on condition of the friction. The calculating formula of pinch force about plate-strip pinch mill was given and the results were analyzed that friction coefficient and radius of pinch rolls are very important for determining pinch force. Moreover, the rule of deforming and stress distribution of different 〓 ratio were gained on condition that the deforming was considered to be non-uniform distribution in the gap. The differential equations were got that calculate the displacements of large deflection of elastic cantilever rectangle plate with fixed end and the formula of the Finite Strip Method was conducted to study the regularity of mid-plane displacements, deformation and stresses for elastic-plastic large deflection bend of cantilever parallelogram plate with fixed or slidable end by integrating Prandtl-Reuss equation.

建立了一套完整的设计参数计算公式和在成型过程中理想带钢或具有月牙弯带钢的工艺参数的调整公式;在考虑摩擦力的条件下,对两弹性体接触变形过程中的接触变形区长度和接触弧半径用位移解法进行了研究,推导了板带递送机的递送力计算公式,从而得知在递送机设计过程中,应选择适当摩擦系数和辊身直径;另外,还从辊缝内带钢实际变形出发,分析了对于不同的〓值,带钢的变形规律及应力分布状况;建立了固定端悬臂矩形板弹性大挠度弯曲变形的控制方程,并且在对Prandtl-Reuss方程的积分处理的基础上,导出了固定端和滑动端悬臂平行四边形薄板的弹塑性大挠度的中面伸展位移、变形和应力的有限条元法公式,编写了Fortran语言计算程序,在各种参数条件下,对螺旋焊管成型过程变形规律进行了全面的分析研究,从而为螺旋焊管的生产和进一步的改进提供了理论依据。

Accountant analyzing accountability from its content and reason, with major point—two kinds of division to accountability: two divided methods and three divided methods; economists analyze the relationship between principal and agency from internal contradiction and its solution. This paper considers that the subject of MA is managerial responsibility from the combination of all kinds'analysis to the accountability and economists' analysis to relationship between principal and agency.

3管理责任的内容是管理结果及其实现过程:管理的本质是资源配置,企业管理分为整管理、系统管理和岗位管理三个层次;管理责任是以最优化的方式实现所要求的结果;管理结果是管理主体所要达到的最终状态,管理过程是达到这一过程的程序和方法,管理结果和管理过程都分为整体管理系统管理和岗位管理这三个层次。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。