Why is high purity polycrystalline silicon necessary?
为啥多晶硅需要高纯度？
An individual crystal in a polycrystalline metal or ceramic.
金属或陶瓷多晶体中的一个单独的小晶体。
Polycrystalline silicon is a kind of form of monatomic silicon.
多晶硅是单质硅的一种形态。
Polycrystalline silicon is an aggregation of small silicon crystals.
多晶硅是细小硅晶的集合体。
SCYO layers were also Polycrystalline with the Perovskite structure.
SCYO薄膜为钙钛矿结构的多晶体。
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。
Heating chamber is pivotal part of the polycrystalline silicon ingot production furnace.
前言：加热室是多晶硅铸锭炉的关键部件之一。
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。
This paper presents a primary investingation on machining polycrystalline diamond by laser beam.
本文对激光加工技术在聚晶金刚石材料上打孔和切割进行了探讨。
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。
The main products from RICH SOLAR are mono-crystalline and polycrystalline solar cells and solar modules.
RICHSOLAR主要产品为单晶、多晶硅太阳能电池片、组件。
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。
The dependence of grain boundary on conductivity in NTC polycrystalline oxide semiconductor was discussed.
主要讨论NTC多晶氧化物半导体中晶界对电导的影响。
The polycrystalline diamond (PCD) compact is composed of polycrystalline diamond layer and hard alloy layer.
PCD复合片由聚晶金刚石层和硬质合金层组成。
Technique process of growth of the polycrystalline silicon is based on the adjustment of the heating chamber.
多晶硅锭的生长工艺过程都要通过加热室的调整来实现。
Ultra hard polycrystalline diamond can be synthesized from graphite by direct conversion under static high pressure.
通过静压法中的直接变换法，纯净的多晶石墨棒可以在短时间内转化为多晶金刚石。
The effect of thin film piezoresistive property related with deposit condition on polycrystalline silicon is studied.
着重研究了沉积工艺条件对多晶硅薄膜压阻灵敏度系数的影响。
Graphite blade and graphite mould used in the production of synthetic polycrystalline mass are made from graphite bar.
生产人造金刚石聚晶所需的石墨片和石墨模是用石墨棒加工的。
A drilling tool that USES polycrystalline diamond compact (PDC) cutters to shear rock with a continuous scraping motion.
一种钻井工具，利用聚晶金刚石复合片切削齿通过连续的刮擦运动去剪切岩石。
This paper focuses mainly on the characteristics and its application of PCBN (Polycrystalline Cubic Boron Nitride) tool.
主要介绍了PCBN（聚晶立方氮化硼）刀具的基本特性及其应用技术。
The SACP technique is an effective method for analysing the orientation of individual grain in polycrystalline materials.
SACP分析技术是分析多晶材料中晶粒位向的一种有效方法。
Numerical simulation based on phase field method is developed to describe polycrystalline solidification for pure material.
基于相场方法对包含多晶粒的纯物质凝固过程进行了数值模拟。
At last, we use the PC1D program to simulate polycrystalline silicon thin film solar cells prepared under high temperature.
最后，采用PC1D电池模拟软件对高温路线制备的多晶硅薄膜电池进行了理论模拟。
In polycrystalline samples, the intermediate-frequency mechanism is interpreted as the grain-boundary conduction mechanism.
而矿物多晶中间频率段的导电机制由颗粒边界所引起。
The preparation of excellent polycrystalline iron fibers and its microwave magnetic properties are introduced in this paper.
介绍了一种高性能多晶铁纤维的研制及其微波磁性。
One of the development trends of microwave YIG polycrystalline ferrite material is wide band, low loss and high power material.
微波yig多晶铁氧体材料的发展趋势之一是宽频带、低损耗、高功率材料。
XRD analysis of these samples indicated this series of polycrystalline samples possess perovskite structure at room temperature.
XRD分析表明室温时此系列多晶样品都是单相，具有钙钛矿结构。
Polycrystalline silicon thin films were prepared by hot-filament chemical vapor deposition (HFCVD) on glass at low-temperatures.
采用热丝化学气相沉积法(HFCVD)在普通玻璃衬底上低温沉积多晶硅薄膜。
The polycrystalline structure of mullite-cordierite polyphase material and its contents were determined by XRD and SEM, respectively.
采用XRD和SEM法确定莫来石-堇青石复相材料的晶相结构及其含量。
The Polycrystalline structure and the phase composition of cordierite kiln furniture are deter-mined by means of X-ray and electron microscope.
利用X-射线衍射分析和电子显微镜分析的结果，确定堇青石窑具的多晶结构和各晶相的含量；
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