压

Chamber able to take pressure and dust flameproof sensor ensure the security when running at medium speed.

3， 耐压壳体，粉尘防爆型传感器，能保证中速磨正压运行的安全。

The flexure hinge flapper was designed and dynamic analysis was performed, and the maximum flux was evaluated. the natural frequency of the flexure hinge flapper is studied by finite element.

并对这种压电阀所涉及的动力学、流量估算等问题进行了理论上的探讨，并用有限元法的方法分析了压电阀的柔性铰链挡板的固有频率。

The model of flexibility of cantilever area, local flatting, and buckling under a pressure load have been presumed. And the influence on flexibility of cantilever of different roller position has been analyzed theoretically.

针对所研究的问题，假设了管坯悬臂段挠曲、局部压扁和受压失稳的力学模型，并从力学上分析了辊轮位置对管坯悬臂段挠曲的影响。

Established in 2000,Ninghai forlux Electronics Co.,Ltd.is specialized in producing street lamp,yard lawn lamp,mineral and industrial flood light,tunnel lamp,buried lamp,aluminum die casting equipment and advanced mould design and pienty of special technicians who have rich experience.

宁海县弗莱克斯电气有限创建于2000年，主要生产路灯、庭院灯、草坪灯、工矿投光灯、隧道灯、埋地灯及各种灯具的铝压铸、铜、铝浇铸件等系列产品，本厂装备有大型的铝压铸设备，先进的模具设计及一批拥有丰富经验的专业技术人员。

Based on the fluidic impedance method ,the effect of the pressure ducts on the dynamic characteristics of pressure drop measurement system was analyzed.

本文应用流体阻抗法的有关理论，分析了动态差压检测系统中引压管路的有关参数对测量动态特性的影响。

Based on the hydraulic model test of Pudong north road pumping station in Shanghai, the hydraulic characteristics of the forebay were studied in the conditions of no diversion, the set-up of water-depressed plate and the set-ups of water-depressed plate and guide piers . Also, the hydraulic characteristic of the siphon outlet piping was studied.

本文结合上海市浦东北路泵站水力模型试验研究课题，从城市排污泵站布置的特点出发，研究和分析了前池在改善流态无工程措施情况下、设置压水板措施和设置导流墩和压水板组合措施情况下前池的水力特性；虹吸式出水管在虹吸形成过程和虹吸破坏过程的水力特性。

In comparison with the scheme with a separate surge tower, the scheme of surge tower type forebay has the advantages of saving the costs, occupying less land and avoiding interference with the high voltage transmission line.

通过比较表明，调压塔式前池比调压塔方案具有节约投资、少占地、免与高压输电线路相干扰等优点。

For fracturing of multilayers in long interval, conventional method was to frac the layer one by one, while most of the other layers could not get improved at the same time.

常规大井段多油层压裂只能对其中的某一层段进行改造，而其他大多数层位并未得到改造，往往是得到处理的层位并不完全是设计的层位，压裂效果受到很大的影响。

A hydraulic frac method that uses a water and oil emulsion.

利用水包油乳状液作为压裂液的水力压裂方法。

Using Biot's 2D elastodynamic theory solves the saturated soil equation. The Fredholm integral equation of the second kind can be built by using the fundamental solution of circular load, the compatibility condition and superposition method. The Fredholm integral equation of the second kind of pile groups can be solved by using numerical method. The numerical solutions of pile groups axial forces, pore pressures under vertical harmonic loading and shear forces, moments and pore pressures under horizontal harmonic loading can be obtained.

采用Biot提出的三维波动原理，利用圆形简谐载荷作用下的Biot固结方程的基本解和桩土之间的变形协调条件，并采用叠加原理得到饱和土中群桩的第二类Fredholm积分方程，应用数值法求解群桩的第二类Fredholm积分方程，得到在垂直简谐载荷作用下群桩的轴力、孔压随桩身变化的数值结果以及在水平简谐载荷作用下群桩的剪力、弯矩和孔压随桩身变化的数值结果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。