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Cavity is an important part of the continuous extrusion machine, it has contact with extrusion wheel, billet and mold, temperature distribution is under complex conditions which directly affects the production efficiency and the quality of the products.

连续挤压机腔体是连续挤压机的重要组成部分,它与挤压轮、坯料、模具均有接触,工况条件下温度分布变化复杂,直接影响连续挤压生产的效率和产品质量。

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This process can be mediated through trophoblastic cell which originated in trophectoderm; the blastocyst cavity surrounded it and the inner cell mass [ 1].

这个过程受滋养层细胞的介导,滋养层细胞是一群特化的细胞,起源于滋养外胚层,它包围着囊胚腔以及内细胞团[1]。

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Mammalian blastocyst displays an obvious asymmetry, with the inner cell mass ( ICM) at one end and the blastocyst cavity surrounded by the trophectoderm ( TE) at the other.

哺乳动物囊胚表现出明显的不对称性,包括胚胎一侧的内细胞团和另一侧被滋养层包围的囊胚腔。

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CW visible vertical cavity surface emitting laser ( VCSEL) operated at room temperature is fabricated by four time proton bombardment technology using tungsten wires as a mask.

利用钨丝掩膜质子轰击工艺制造出一种室温条件下可连续工作的可见光垂直腔面发射激光器。

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Conclusions ( 1) In common cavity malformation, in addition to the abnormal bony labyrinth such as the cochlea, vestibule and lateral semicircular canal, the inner ear perceptive organ such as the saccule, utricle and scala media were also abnormal.

结论(1)共同腔畸形极重度聋患者不仅前庭、外半规管和耳蜗的骨性结构形态发生了变化,而且腔内耳蜗中阶与前庭的球囊、椭圆囊的膜迷路结构形态也发生了变化;

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Role of the cavity field, the electrostatic repulsive force at the doma-in boundary and self-enhanced diffraction light induced by physical imperfection on laser-induced surface damage are discussed.

本文讨论了由晶体缺陷所致的自增强衍射光,富集于缺陷的空间电荷所致的空洞场,以及由此场导致的发生在畴界上的静电斥力对此损伤所起的作用。

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Applications show that the temperature difference of furnace cavity is 23~ 31 ℃, the temperature of furnace casing is 57~ 69 ℃ and heat efficiency reaches to above 40%.

应用表明,炉膛温差为23~31℃,炉体外壳温度为57~69℃,热效率达40%以上。

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Results The rate of the test of tuberculosis bacteria turning to negative is up to 80.35% and the closing rate of the cavity is up to 37.14%.

结果耐药肺结核,痰菌阴转率高达78.36%,空洞闭合率达37.14%。

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Close tightly your lips with air in your mouth; then the breath break through your lips and make resonance inside the oral cavity.

发音时,双唇紧闭,口腔蓄气,然后气流冲破双唇阻碍,在口腔发生共鸣而发声。

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Generally sensitized rats in testing group were given repeated local booster sensitization into nasal cavity.

实验组用卵白蛋白行基础致敏,继之鼻腔局部激发建立大鼠变应性鼻炎模型.

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[ Objective] Streptococcus sanguis ( Ss) is one of the most popular bacteria in the oral cavity, which associates with various diseases. Porphyromonas gingivalis ( Pg) is one kind of anaerobic gram-negative bacteria associated with the chronic periodontitis.

[目的]血链球菌(Ss)是一种与许多疾病相关的口腔中最常见的细菌,牙龈卟啉单胞菌(Pg)是一种与慢性牙周疾病相关的革兰氏阴性的厌氧菌。

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A method for automatical balancing multi-cavity injection molds is presented with the aid of flow simulation.

介绍了一种基于流动模拟自动实现多 型 腔注射模流动平衡的方法.

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VOICE : How did you try to figure out the best way to fill that cavity?

你是怎样发现填补蛀洞的最好方法 呢 ?

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A new method was developed to simulate quantitatively the formation of shrinkage cavity in steel castings.

本文提出了一种新的三维定量模拟铸钢件缩孔形成的方法.

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Coupling transport-diffusion method of calculating radiation transfer in a cavity

空腔辐射传输的扩散-输运耦合计算

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In the course of vocal music teaching, vocal organ, especially the deeper part of oral cavity can t be seen and felt generally.

声乐教学由于发声器官,特别是口腔深处的部位,在一般状态下是看不见、摸不着的。

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