During the plasticizing stage, the melted plastic will not only be pressed dense and solid by the thrust of the screw plate, but also heated by the thermo that transferred from the cylinder shell and by the friction thermo that generated between the plastic particles and the cylinder shell and the screw, with the temperature gradually rising to the melting point.

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Tang Jiamin Heritage Site is located at the city Department of Tang village seven kilometers, the original name for the Tang rich private house, built in the late Ming and early Qing Dynasty, there are a two-phase adjacent to the three homes and other houses of a total of five branches of the house, 100 50 I, the area of 1483 square meters; the salt controller Downtain Civil Mishina a tomb and a stone arch, its architecture combines the north courtyard and garden art Jervois combined in the brick, wood carving, stone carving exquisite, delicate, may be comparable to the National Palace Museum's sculpture, the garden, the roof ridge lying beast flying eaves hook tooth picks, intrigue, terrazzo floors and walls of brick, set with wood, brick, stone

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GHz ridge－loaded helical groove slow wave structure with a 20kV electron beam are given and the investigations of the effect of the ridge dimensions and electron beam parameters on the small signal gain are carried out. It is indicated from the calculation results that this type of structure is suitable for use as s SWS of high power, high gain but narrow passband millimeter TWT, of which the 3dB gain bandwidth is 3.4%. In order to increase the bandwidth, the reduction of the ridge gap or the increase of the electron beam current in an allowable range may be useful.

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If the horizontal line represents the 95% confidence interval of the indexes including odds ratio, relative risk, weighted mean difference, and standard mean difference crosses the vertical line, the effect of test group is not signficant with that of control group; if the horizontal line lies to the right of the vertical line, it indicates that the test group is significantly effctive.

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It uses Bézier curves to fit the fruit outline, and control prism of the fruit surface by introducing a noise function which conforms to the variety characteristic.

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We investigated and analyzed the soil seed bank under 10 female Japanese yew trees in Muling Nature Reserve of Heilongjiang Province.

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The results show that the growth rate of tetrapod ZnO is controlled by spiral growth and its crystallization is via VLS model. The condensation of tiny zinc droplets in zinc vapor is the key factor of the formation of tetrapod ZnO. The growth steps are formed on the terminated faces as zinc diffuses outwards and the elongation of whiskers continues until zinc inside the droplets is depleted. VS crystallization, which has little effect on the elongation growth, takes place on side faces of the whiskers and consequently makes the whiskers radius increase.

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Riley and Vasarely are two noteable artists who made contributions in the illusory world of op art.

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