polycrystalline

Transgranular fracture. Fracture of polycrystalline materials by crack propagation through the grains.

多晶材料裂纹穿过晶粒扩展而断裂.

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Intergranular fracture. Fracture of polycrystalline materials by crack propagation along grain boundaries.

多晶材料裂纹沿着晶界扩展而断裂.

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PDC bit uses polycrystalline diamond compacts ( PDC ) as cutters.

pdc钻头用聚晶金刚石 ( 复合片 ) 作为刀具.

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Polycrystalline iron fiber is a novel magnetic material, which can be used widely in industry.

多晶铁纤维是一类新型磁性材料, 应用十分广泛.

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Experimental Study for the Influence of Twinning on the Plastic Deformation of Pure Polycrystalline Titanium

孪晶对多晶纯钛塑性变形影响的实验研究

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Polycrystalline diamond coatings for tools are laid down using chemical vapor deposition.

工具用的复晶钻石涂层,则是使用化学气相沉积法制造的.

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The polycrystalline vanadyl phthalocyanine ( VOPc) nanoparticles in phase I and phase II have been fabricated by laser ablation in aqueous solution without or with a kind of nonionic surfactants respectively.

在水溶液中利用激光消融制备了酞菁氧钒（VOPc）相I型纳米颗粒，在加入一种非离子型表面活性剂的情况下通过激光消融制备得到了其相II型纳米颗粒。

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Nowadays, the infection of quantum effects of polycrystalline silicon is also investigated.

近期, 多晶硅中量子效应对器件性能的影响也被研究.

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Through a constant strain rate tensile test at room temperature, the morphology characteristic of slip deformed surface of polycrystalline aluminum plate is observed and the influence of slip parameters on the deformation studied.

本文主要是通过多晶铝板状试样在室温条件下进行的恒应变拉伸试验，分析研究多晶铝表面滑移变形的形貌特征、滑移参数及晶界对滑移变形的影响等问题。

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Heating chamber is pivotal part of the polycrystalline silicon ingot production furnace.

加热室是多晶硅铸锭炉的关键部件之一.

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Lattice parameters are the important crystal structural parameters of polycrystalline materials.

晶胞参数是多晶材料晶体结构的重要参数.

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Polycrystalline Vanadium Oxides thin films deposited on Si ( 110) and quartz substrates for thermo-sensitive material of uncooled IR detector arrays were fabricated by ion beam sputtering deposition and oxide process.

采用离子束溅射镀膜和氧化工艺在Si（110）和石英衬底上制备了用于非致冷红外探测器阵列热敏材料的混合相氧化钒多晶薄膜。

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X-ray Testing of the Homogeneity and Compactness of Artificial Polycrystalline Diamonds

人造聚晶金刚石均匀性和致密性的X射线检测

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Polycrystalline diamond has many advantageous physical properties.

金刚石烧结体具有许多优异的物理机械性能.

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Process of enhancing wear resistance of polycrystalline sintered compact has been studied.

研究了提高多晶烧结体耐磨性的方法.

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Standard PV modules are made from mono and polycrystalline silicon.

标准的光伏组件由单晶和多晶硅做成.

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Selected-area electron diffraction ( SAED ) confirmed that SnO 2 nanorods are polycrystalline.

选区电子衍射证实了SnO2是多晶态.

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One determines a directionally dependent property in a polycrystalline specimen.

用多晶样品来测量有方向性的特征.

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It is possible for this Sort of concentrator Solar Cell made of cast polycrystalline Silicon to further cut down the cost of solar Cell power system, reaching RMB ￥ 20~ 25 Per Peak-watt soon.

用多晶硅材料试制成这种电池，有可能进一步降低系统成本，在近期达到20～25元/峰瓦。

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Oxygen vacancy domination model for electrical conductivity of polycrystalline tin oxide

氧化锡多晶电导的氧空位控制模型

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Study on Electrical Property at Grain Boundary by Gauss Distribution Model in Polycrystalline Silicon

利用高斯分布模型研究多晶硅晶界电学特性

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In order to describe mechanical property of materials subjected to cyclic loading, the back stress was introduced in polycrystalline plasticity model. Furthermore, size effect was considered through slide resistance evolution function.

多晶塑性模型中通过引入背应力考虑循环载荷下材料力学行为响应，而且，在滑移阻力函数中考虑了材料的尺寸效应。

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Thermal behaviour of the gel fibers and polycrystalline fibers in al_2o_3-sio_2 system

Al2O3-SiO2系凝胶纤维和多晶纤维的热行为

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This paper systematically studied the deformation process, strain mechanism, texture characteristic and mechanical property of polycrystalline pure copper and directional solidification pure copper during ECAP.

本文系统的研究了多晶纯铜和定向凝固纯铜在ECAP中的变形过程、应变机理、织构特征和力学性能。

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Fatigue cracks mainly nucleated along large-angle GBs, sometimes along PSBs in polycrystalline copper, however, the initiation of fatigue crack at twin boundaries ( TBs) was not observed due to the compatible slip deformation across the TBs.

疲劳裂纹主要沿大角度晶界萌生，有时也沿驻留滑移带萌生，而孪晶界面两侧由于滑移系具有相容的变形特征而未观察到疲劳裂纹萌生。

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An Analytical Approach to the Slip Deformation of the Surface of Polycrystalline Aluminum

多晶铝的表面滑移变形分析研究

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The mechanical shock and thermal impact in the machining process of discontinuous grinding polycrystalline diamond with slotted diamond wheels were investigated systemically by the simulation experiments of ultrasonic vibration and pulse laser heating respectively.

分别采用超声振动冲击和脉冲激光加热技术对开槽金刚石砂轮断续磨削加工聚晶金刚石过程中的机械冲击和热冲击进行了模拟实验研究。

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Polycrystalline silicon is an aggregation of small silicon crystals.

多晶硅是细小硅晶的集合体.

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In the end, spreading resistance profiles ( SRP) showed excellent dielectric properties for hafnium oxide films whenever amorphous or polycrystalline.

借助扩展电阻探针（SRP）技术考察了退火前后薄膜的电学性能，证明在SOI材料上制备的多晶氧化铪薄膜同样具有较好的电介质绝缘性能。

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Invisible braces are made of translucent polycrystalline alumina ( TPA ).

隐形牙套的材料是半透明多晶体氧化铝 ( TPA ).

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