压

An experimental study, in which six columns were loaded concentrically to investigate the behavior of reinforced normal strength and high strength circular columns under concentric compression, is described.

通过对6根圆柱体钢筋混凝土柱的轴压试验，研究普通及高强混凝土柱的轴向受压性能。

An experimental study, in which six columns were loaded concentrically to investigate the behavior of reinforced normal strength and high strength circular colu mns under concentric compression, is described.

通过对6根圆柱体钢筋混凝土柱的轴压试验，研究普通及高强混凝土柱的轴向受压性能。

The design mainly works on many factors which effecting the volume efficiency of fracturing pump. These factors are working conditions of the pump,imbibitional valve,expulsive valve,clearance volume,sealing property, condensability of influent, liquid leakage and elastic defletion of pump cylinder. Based on these facors, we should induce the efficiency expression, famulate differential eguation and emulational mathematical model of fracturing pump.

本设计主要针对影响压裂泵容积效率的因素如：泵的工作情况、吸液阀结构参数、余隙容积、密封性能、液体的可压缩性、液体泄漏、泵缸的弹性形变等方面进行分析，在此基础上导出效率的表达式，建立微分方程，并建立压裂泵效率仿真的数学模型。

Not only baroclinic instability and conditional symmetry instability lie in the middle-low level, but also lie in the middle-upper level of DMMCS. At the west of DMMCS, there lies negative MPV2 column.

深湿对流系统的中低层不仅有对流不稳定，而且还有斜压不稳定、条件对称不稳定，而中高层必须有湿斜压不稳定和条件对称不稳定。

The factors that affect the conductibility of green compact were analyzed.

通过对Fe-Ti-C三元粉末混合物压坯的加压成形过程的研究，分析了影响粉末压坯电导性的因素。

Valve seat plate and the sealing surface for the oblique cone structure, in the oblique conical surface of valve plate welding temperature, corrosion resistant alloy material; fixed loop in the regulation of the spring between the plate and the plate with the adjustment bolt assembly structure.

阀板与阀座的密封面为斜圆锥结构，在阀板斜圆锥表面堆焊耐温、耐蚀合金材料；固定在调节环压板之间的弹簧与压板上调节螺栓装配一起的结构。

The blood pressure that says at ordinary times includes constringency to press with comfortable ZHANG YA.

平时说的血压包含收缩压和舒张压。

This design separately uses series linear constant voltage circuit, series regulate constant current circuit and the feedback type contravariant circuit to design direct current constant voltage power supply, direct current constant current power supply and DC-DC converter.

本设计分别用串联型线性稳压电路，串联调整式稳流电路和反馈式逆变电路设计直流稳压电源，直流稳流电源和DC-DC变换器。

The concept of current regulation factor was defined and the analytic expression of the current regulation factor and the turning points' coordinate of the exterior characteristic curve by use of the mathematic model of magnetization curves were given.

利用电流调整率和拐点坐标分析了电机的恒压性能和带负载能力，得到了电机的恒压性能和带负载能力跟电机各结构参数和励磁电阻的关系。

Mechanical-type steam traps Seat number: Mechanical-type trap according to different working pressure section of the valve seat aperture is divided into a variety of specifications of "seat number", each segment of work pressure and the "seat number" composed of a coordinate displacement curve, different "seat number "The sparse amount of water are very different.

机械型疏水阀的阀座号：机械型疏水阀按不同的工作压差段，分成多种规格阀座孔径的"阀座号"，每个工作压差段与"阀座号"组成一条坐标曲线的排水量，不同"阀座号"的疏水量有很大差别。

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