Triple-screw extrusive industrial equipment is a new technology coming out in recent years. Although its extrusive characteristics such as energy-consuming, disgregation, exhausting and so on have been tested very well, the flow pattern, blending and mixing mechanisms and the shearing effect of polymer melt in triple-screw are waiting for our in-depth researches.

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The experimental results show that it could reduce viscosity and shearing force of mud.When the addition of viscosity reducer is 0.5%,the thinning rate at high temperature will be up to 91.4% for fresh water clay mud.And it has very good salt tolerance and calcium tolerance.It has good viscosity reduction and disgregation in saturated saltwater mud and calcareous mud.Its thermal stability is also good.

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El Centro is input, simulation calculations are made on floating-peak tank with circular-ring energy dissipater. The research indicates this control system is effect to apply to decrease earthquake response. History time curves of displacement, absolute acceleration, shearing force and uplift angle are contrasted with and without control. The effect of sets of cirque costing-energy is discussed.

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They were compared and analysis in the index system, The result of comprehensive evaluation indicate: in the compositive capability side, the multi-ribed structure system is good, shearing strength wall structure take second place, mixed structure and frame class structure is ecumenic .

評價(jià)結(jié)果表明：密肋壁板輕框結(jié)構(gòu)體系綜合性能最好中文字幕一级限制片，剪力墻結(jié)構(gòu)體系次之，磚混結(jié)構(gòu)和框架結(jié)構(gòu)體系綜合性能一般欧美天欧美天堂aⅴ在线。

In addition, molecular orientation behaviors induced by shearing, electric field and magnetic field were investigated. The space group of the monomers A3EO7 and A9EO7 were determined as P2〓2〓2 and P112/m by means of electron diffraction and X-ray diffraction. Liquid crystalline properties of the monomer and the polymer were studied using DSC, variable X-ray diffraction, TEM and polarized optical microscope. Both monomers exhibit monotropic liquid crystalline behavior, and they also give a metastable phase on the cooling process. The polymer PA9EO7 shows enantiotropic liquid crystalline properties. Thus the rigid polymer backbone is not a fatal defect that completely distorts the packing arrangement of the mesogenic moiety in the side chain liquid crystalline polyacetylene.

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Through the simulation and analysis, the thermal characteristics of the medium and the thermal effects of laser beam are obtained. A superior pump cooling structure was selected and designed, and it is to be demonstred in this dissertation. 2 The thermal distortion effects in the slab mediam are experimently studied using auxiliary lenswww.午夜欧美性爱、Shearing Interferometer and Mach-Zehnder interferometer.

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During development of oilfields, unsolidated sandstone will be damaged and sanding in oil formation because of its fragileness, unbalance of pressure, gravel shearing and traction caused by flow liquid.

在油田開發(fā)過程中无码老熟妇色视频，由于膠結(jié)疏松的砂巖地層本身的膠結(jié)脆弱性看免费的黄色片、壓力不平衡以及流體對砂粒的剪切、拖曳作用国产无码视频网站，會造成油層結(jié)構(gòu)的破壞和出砂小视频试看入口，影響到油田的正常開發(fā)。

On the basis of a lot of data from test, this paper studies the correlativity between granulometric composition and shearing strength parameter in sedimentary rock area, and that correlation equations are established in different consistence states.

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Five types of traps, including compressional, extensional, shearing, gravitative and strata litholoical types, were divided on studying the feature of different tectonic movements , seismic sequences and depositional property in Wan an Basin.

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