The paper introduces the research and manufacture of P/ M cylinder cover for compressing machine with focus on the influences of density, sintering temperature and aqueous vapor treatment on the tensile strength.

Development of p/ m cylinder cover for compressing machine

粉末冶金压缩机缸盖的研制

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Air spring is a elastic mechanism that using the reactive force of compressing air, reactive force of raising effective area for the deformation and the resultant of above two forces.

空气弹簧是利用其内部压缩空气所产生的反力、随其变形而引起的有效受压面积增加所产生的反力、或两者合力抵御外力的一种弹性机构。

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When the mandibular body fracture is under the premolar and molar of fracture side occlusion 、 the mandibular angle fracture is under the molar of fracture side occlusion, the stress of the upper fracture part is bending force and the lower is compressing force.

体部骨折患侧前磨牙、磨牙咬合以及角部骨折患侧磨牙咬合情况下，骨断层应力分布显示下部为张力带、上部为压力带。

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The compressing force, compressing deformation and recovering of hay compressed at the different position of compressing chamber varied from first compressing to hay compressed departing from the chamber.

牧草从首次压缩到离开压缩室的整个压缩过程中，牧草在整个压缩室不同位置的受力、变形和变形恢复等均是变化的。

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When occlusion by molar and premolar of fracture part, the stress of upper fracture part was bending force and the lower was compressing force.

患侧磨牙、前磨牙咬合骨断层应力分布下部为张力带、上部为压力带。

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The research and progress of hay compressing theory has firstly been discussed in this paper, and especially the hay compression process and the change and calculation of compressing force. It provides theory support for the design of the hay baler.

本文首先讨论了饲草压缩理论的研究与进展，特别是饲草压缩过程及压缩力的变化及计算，为压捆机的设计提供了理论支持。

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The compressing force was down 66% when adding 1% linseed gum in the cakes.

蛋糕中添加1%的亚麻籽胶后，产品的压缩力下降了66%。

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This paper reports a linear temporal instability analysis of a compressible 3D gas jet in a viscous liquid medium in infinite extent.

采用时间线性稳定性分析方法，就无限域不可压有粘液体中的可压缩、无粘气体射流流动的三维扰动稳定性分析。

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Numerical simulation of the near region of compressible axisymmetric jet

可压缩轴对称射流流场近区的数值模拟

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Taking the compressible fluid as working medium, an optional design of valve plate of axial piston pump is engaged, where the configurational dimensions of the valve plate are evaluated according to the air content in the oil.

以可压缩流体为工作介质，对轴向柱塞泵配流盘进行了优化设计，即根据油液含气量的变化，合理计算配流盘的结构尺寸。

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This paper obtains the exact solutions for the unsteady radial flow equations of the slightly compressible liquid through a medium with triple-porosity by using the method of decomposition.

本文用分解的方法求得了有限封闭地层中三重介质弹性渗流的精确解。

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The flow of compressible fluid in porous medium is a result of coupling of liquid flow and solid deformation. It is rather important to study the law of fluid solid interaction.

可压缩流体在多孔介质中的流动过程是流体流动和固体变形相互耦合作用的结果，研究多孔介质中流固耦合渗流规律对于完善流固耦合理论以及工程应用有着重要意义。

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This paper studies systematically the unsteady radial flow of a slightly compressible liquid through a medium with multiple-porosity by numerical simulation.

本文用数值模拟系统地研究了多重介质弹性径向渗流问题。

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In this paper, an improved shell theory is employed to analyze the free vibrations of a spherically isotropic spherical shell submerged in a compressible fluid medium. The effects of shear deformation, rotary inertia and transverse normal strain are included.

采用六模态的中厚壳理论研究了可压缩流体中球面各向同性球壳的自由振动，即在分析中考虑了剪切变形，旋转惯量和横向正应变的影响。

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By the introduction of two displacement functions, the non-axisymmetric free vibrations of a complete thin isotropic spherical shell submerged in a compressible fluid medium are successfully investigated.

通过引入位移函数，成功地研究了薄球壳在可压缩流体中的自由振动。

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Study on Compressible Medium for Suspension System of Motor Wheel Truck

电动轮汽车悬挂系统可压缩介质研究

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The high-compressible-foundation-soil has the feature of high sedimentation.

高压缩性土作为建筑地基，具有沉降较大的特点。

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If there is large-area fill, riprap stone or stacking fill nearby, negative friction will occur on the pile which is driven into compressible soil.

支承于土中的桩，如果其附近有大面积填土、抛石、堆载等，很可能会在桩侧产生负摩阻力。

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In this paper a method to analyse the stresses of hinged frames on compressible soil is presented.

本文提出了分析压缩性地基上铰接排架应力的方法。

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Stress analysis of hinged frames stress analysis of hinged frames on compressible soil

压缩性地基上铰接排架的应力分析

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