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On account of the fact that the empirical formula given by Building Code for calculating the height of compression area in reinforced concrete member subjected to small eccentricity will result in less amount of steel reinforcement so as to decrease the factor of safety, thas a more accurate empirical formula is presented in this paper.

文中指出了新规范关于钢筋混凝土小偏压构件在对称配筋计算时截面受压区高度近似计算公式会引起较大的配筋误差，从而建议了合理的计算公式，同时对&中和轴位于翼缘内的工字形对称配筋小偏压构件&的配筋计算作了补充。

It mainly deals with the control of the Die Spotting Hydraulic Press synchronous system of high accuracy position, which integrates good control method of PLC to master the whole action, then equips it with high accuracy and good quality.

论文主要围绕研配液压机的高精度位置同步控制系统而展开，结合比较好的控制手段PLC对整个研配液压机系统动作进行控制，使研配液压机达到理想的控制精度和研配质量。

Mass spectrometry results revealed that the pair of eluents respresented a pair of ternary copper complexes with mixed ligands, providing the first experimental evidence. These complexes are diastereoisomer in nature. The optimized configuration of the diastereoisomer was predicted by theoretical calculation.

质谱实验结果表明，拆分组分是一对铜混合配体复合物离子，其中的一个配体是提供手性环境的流动相添加物，另一配体是待拆分物质的某一构型对映体，这对铜混合配体复合物离子本质上属于非对映异构体。

In general, this malaria parasites in the mature or nearly mature erythrocytes, schizonts usually large, occurre in mature erythrocytes with more 20 merozoites most commonly arranged in mass.

两性配子体较大，均为长形，雄性配子体有驱核现象，并使寄主细胞膨胀变大；雌配子体较雄配子体长，有一定的包核现象。

After the completion of reaction, ether is added to the resulting mixture to precipitate the tartrate and filter to recover the ligand. The recovered ligands keep good enantioselectivity only in first recycle, but compared with solution-phase of tartrate counterpart, using of soluble polymer-supported tartrates largely simplifies the workup of sharpless epoxidation.

反应完成后，向反应体系中加入乙醚使配体沉淀，过滤即可回收配体，虽然回收的配体只在第一次循环中保持了较好的对映选择性，但与使用小分子酒石酸酯配体相比，使用可溶性聚合物支载的酒石酸酯极大地简化了Sharpless环氧化反应的后处理。

In the paper, the simulation model of port plate/cylinder block frictional pair in which the lubricating film forms was established according to force balance equation and flow continuity equation with SIMULINK of MATLAB. The frictional pair includes of damp groove type continuous oil supply port plate /cylinder block frictional pair and semi-perimeter double oil groove type periodical oil supply port plate /cylinder block frictional pair.

本文根据配流副数学模型中的力平衡动态方程和流量连续方程，利用数学仿真软件MATLAB中的SIMULINK工具包分别对阻尼槽型连续供油配流副和半周槽双油腔间歇供油配流副建立了润滑膜形成的仿真模型，并对不同工况下的这两种配流副润滑膜的形成及变化规律进行动态仿真研究。

First, by the allocation of irrigation water directly into the ditch outlet Xiaqi, achieve no water loss, greatly improve the utilization of water; are two irrigation systems, replace the pipe with water furrow, not square, and the right to re-use, reducing the irrigation investment; Three is the use of the gate with the outlet opening to adjust a constant and accurate control of flow into the trench plot, for different soil and different groove specifications Xiaqi can greatly improve irrigation uniformity; four gates are porous pipe irrigation system for the flow tubes, and the blind to cross the flow tube as compared to the wall can reduce the work under stress, and reduce the damage to the opportunity to prolong the service life of thin-walled tube; are five gates to facilitate the installation of irrigation systems, pipes, and, upon request, to fight孔安outlet assembly to ensure the accuracy of positioning with the outlet.

一是灌溉水经配水口直接进入沟畦，实现无输水损失，极大地提高了水的利用率；二是管灌溉系统代替配水垄沟，不占地，且右重复使用，降低了灌溉投资；三是利用配水口的闸板开度来调节准确恒定地控制进入沟畦的流量，适用于不同土质和规格不同的沟畦，可大大提高灌水均匀度；四是闸管灌溉系统为多孔出流管，与等过流量的盲管相比，可降低管壁承受的工作压力，并减少受损机会，从而延长薄壁管的使用寿命；五是闸管灌溉系统安装方便，并可根据要求打孔安装配水口，确保配水口定位的准确性。

The pressure fields between the cylinder block and the valve plate and between the valve plate and the end housing have been set up, and the HT is designed and checked.

建立了缸体-配流盘，配流盘-后端盖两种配流副之间的压力场数学模型，并据此对液压变压器进行设计和校核，满足最佳配流和强度要求。

In chapter 3, the FLUENT software is used to simulate the 2D and 3D fluid fields of three kinds of distribution pairs (cylinder block and piston, valve port and end cap, valve plate and cylinder block).

第三章，利用Fluent流场仿真软件，对液压变压器三个关键配流副(配流盘-后端盖，配流盘-缸体，缸体-柱塞)的流场进行了初步的二维和三维仿真分析，给出了配流盘控制角度为60°下的仿真结果。

Company 6-24KV medium voltage products, the main production and distribution of Products as follows: First, the main products: 1, XGN15-12 ò type SF6 Ring Net Cabinet (with FLN36-12 or FLN48-12 load switch) 2, XGN15 - 12 ó Type SF6 Ring Net Cabinet (with ABB-SFG load switch) 3, GN15-12 type SM6 imitation ring counters (with load switch SC6 Schneider) 4, DFFW-10 type outdoor Cable Branch Box (available with SF6 load switch) 5, FLN36-12, FLN48-12-type SF6 load switch and at the top of unit 6, YBP prefabricated Continental me change, KYN28A in the rear-mounted switchgear Second, the main distribution Products: 1, Beijing ABB-SFG-12A / K at the top of unit 2, ABB-SafeRing/SafePlus series inflatable counter 3, Schneider SM6, RM6 Series ring counter 4, ring counter agent ABB PARTS (Fuck electricity to open the current transformer, EKL series fault indicator), Shenzhen Deep Electric Ltd. to create the domestic electricity sector, users, manufacturers solemn commitment to the industry: product shelf-life forê, maintenance-free period of 10 years, under normal use conditions to ensure reliable operation of 20 years, such as product quality have any problem , the company will be sent within 24 hours of treatment and to ensure user satisfaction.

公司以6-24KV中压产品为主，主要生产及经销产品如下：一、主要生产产品：1、XGN15-12Ⅱ型SF6环网柜（配FLN36-12或FLN48-12负荷开关）2、XGN15-12Ⅲ型SF6环网柜（配ABB-SFG负荷开关）3、GN15-12Ⅳ型仿SM6环网柜（配施耐德SC6负荷开关）4、DFFW-10型户外电缆分支箱（可配SF6负荷开关）5、FLN36-12、FLN48-12型SF6负荷开关及顶部单元6、YBP□预装式欧式箱变、KYN28A中置式开关柜二、主要经销产品：1、北京ABB-SFG-12A/K顶部单元2、ABB-SafeRing/SafePlus系列充气柜3、施耐德SM6、RM6系列环网柜4、代理ABB环网柜配件（电操、开启式电流互感器、EKL系列故障指示器）深圳市深创电气有限公司向国内电力部门、用户、同行业厂家郑重承诺：产品保质期为壹年，免维护期为10年，在正常使用条件下保证可靠运行20年，如产品有任何质量问题，公司将于24小时内派员处理并保证用户满意为止。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐