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Project content:According to the market demand,expand production of Four-star、and star series bike parts: front shaft、back shaft 、bike pump、front fork、steel ball、chain、chainwheel crank、cold patch glue、glue and other products for all kinds of bikes.

二、项目内容：根据市场需求，扩大生产"佛斯特"、"四星"、"恒星"牌系列自行车中轴、前后轴、飞轮、链条、曲柄、胶水、前叉、钢珠、打气筒等产品。

Since pump axial the aspect cause such as rational and making , assembling , being put into use that dynamic balance organization designs, brings about the axial force be not balanced away sometimes.

由于泵的轴向方面原因，如合理的决策，装配，投入使用的动态的平衡机构设计，带来的轴向力不均衡以外sometimes。

Preparing for installation of tail shaft: the end screw of tail shaft should be tied up with cloth or thin rubber, in order to protect impact during the assembly.

艉轴的安装准备：艉轴末端的螺纹部分用布或薄橡胶皮包扎好，防止在装配中碰伤。

In rotational process, the rotor of journal bearing relies on the oily wedge that slippery oily oily film forms to poise, bearing gets power but the bedspring damp system that described as rotates.

转动过程中，轴颈轴承的转子依靠滑油油膜形成的油楔保持平衡，轴承受力可描述为旋转的弹簧阻尼系统。

Discuss the influence of the factors of section forms(different ratios between limb length with limb width), the reinforcement that adjusts the bellyband ends, and the existence of stirrup on the limited values of axial compression ratio of the T, L shape section columns, and draw the variation law of the limited values of axial compression ratio along with the variation of theabove-mentioned factors.

讨论了截面形式、改善腹板端部的配筋、以及箍筋的存在等因素对T、L形截面柱的轴压比限值的影响，得出了轴压比限值随上述因素的变化规律。

A theoretical analysis method for head-flow rate curves of helico-axial multiphase pump was proposed on the basis of the basic energy equation for axial pump and Bernoulli equation.

基于轴流泵的基本能量方程式和伯努利方程，提出了螺旋轴流式多相混输泵的扬程—流量特性曲线的理论分析方法。

Experiments show that at uniaxial tension hollow hole growth rate than in biaxial tensile Medium to small.

实验表明在单轴拉伸中空孔的增长速率比在双轴拉伸中要小。

Methods morphology ,opening,closing and hemodynamicon short axes section of large arteries and on long axessection of aorta were observed.results thickening,calcification ,hemodynamic,morphologic changes of the aortic wall were exacerated with increased age of patients.conclusion cdfi is of great valve in diagnosing bicuspid aortic valve.

重点通过大动脉短轴及主动脉长轴等切面观察二叶式主动脉瓣的形态、回声、启闭及血流动力学情况。结果：随着年龄的增长，瓣膜增厚、钙化、血液动力学、心脏形态学改变逐渐加重。结论：彩超对先天性二叶式主动脉瓣畸形及病变的诊断具有重要意义。

Power-law fluid is used to describe the Non-newtonian rheological property of the produced fluid in a polymer-driving well; the governing equations, boundary and initial equations of power-law fluid in eccentric annuli with the inner cylinder reciprocating axially is established in bipolar coordinates system; formulas of instantaneous flow rate and stress distribution on the outwall of the inner cylinder of the unsteady flow of power-law fluid in eccentric annuli with the inner cylinder reciprocating axially are established.

在理论上，用幂律流体模型描述了聚合物驱油井产出液的非Newton流变性；建立了双极坐标系下幂律流体在内管做轴向往复运动的偏心环空中非定常流的控制方程及边界条件和初始条件方程；建立了双极坐标系下幂律流体在内管做轴向往复运动的偏心环空中流动时瞬时流量和流体在内管壁上的压力分布计算公式。

It results from the fact that the biquadratic coupling fieldand uniaxial anisotropy of the ferromagnetic counteract each other, so the oscillationsare weakend and the curves are smoothened.

这是由于双二次耦合体现的单轴各向异性与铁磁层单轴各向异性具有相反的符号，二者互相抵消，因此使振荡减弱，曲线变的光滑。

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％。