有大批专业技术人员和 高水平的拉晶技术工人 。
There are a large number of professional and technical personnel and skilled crystal-pulling workers.
本文介绍采用密闭热系统拉晶工艺拉制硅单晶的情况。
The drawing of single crystal silicon in a closed thermal system is described.
由于拉单晶过程中投料量较大，炉体结构复杂、造价昂贵，所以拉晶实验成本太高。
Because of the large stuff of silicon, complex structure of furnace and expensive cost, computer simulation is a best way to optimize design.
通过测定二次枝晶间距来预测铸件的抗拉性能是可行的，但是孔洞率对抗拉强度的影响不可忽视。
It is feasible to forecast the casting UTS by measuring DAS, but the effect of hole ratio on UTS should not be neglected.
实验结果表明，热处理前去掉冷拉棒表面的碎晶层可以防止它在热处理过程中产生裂纹。
Experiment results show that removing the surface broken crystal layer of the cold drawn rod can prevent heat treatment induced cracks.
由莫来石颗粒引入的基体拉应力使裂纹倾向于向晶内扩展。
The tensile stress in matrix introduced by mullite particles made the cracks incline to extend into the matrix.
羟基磷灰石(HA)晶须具有较低的位错密度，较高的抗拉性能，可用作生物陶瓷的增韧材料。
Hydroxyapatite (ha) whisker has lower dislocation density and higher tensile strength, therefore it could be used as toughening material in bioceramic.
以紫外拉曼光谱技术研究了在不同焙烧气氛中氧化锆样品的表面晶相结构及其转变过程。
UV Raman spectroscopy has been employed to investigate the surface phase transformation of zirconia calcined at different temperatures in different atmospheres.
光纤的非晶质玻璃中，原子为随机排列，因此拉曼效应相当小。
The random atomic arrangement in the amorphous glass of optical fibers keeps the Raman effect small.
对古代碳化稻谷进行了高分辨电子显微镜、X粉晶衍射和激光拉曼光谱研究。
Carbonated paddy has been studied through high resolution transmission electronic microscopy (HRTEM), X -ray powder diffraction and laser Raman spectroscopy.
通过透射电境、X光衍射和拉曼散射对纳米晶的晶格结构和声子特性进行了研究。
Transmission electron microscope (TEM), Raman spectroscopy and X ray diffraction (XRD) were used to investigate the lattice structures, phonon properties of the samples.
方法：运用傅立叶变换红外光谱、拉曼光谱、热分析和粉末x -射线衍射法研究马来酸替加色罗的晶型。
Methods: FTIR, Raman spectroscopy, thermal analysis and powder X-ray diffraction were applied to study the crystal forms of tegaserod maleate.
利用X粉晶衍射和激光拉曼光谱实验分析高岭石及其醋酸钾插层物的结构。
Kaolinite and the kaolinite-potassium acetate intercalate were studied by X-ray diffraction and Raman spectra.
晶化处理温度对因热胀系数差异带来的热拉应力因马氏体相变而致的相变压应力均有不同程度的影响。
And the influence of annealing temperature was also found to be caused by the expansion coefficient difference and martensitic transition.
当铸志晶粒度力4 ~ 5级寸，破碎晶炭化物组织需要有60%以上的拉应变。
To break down the eutectic carbide network of A-cast structure with grain size 4-5 grade, tensile strain of 60% is needed.
对不同实验条件下所得到的多孔硅的拉曼光谱进行了分析，确认了多孔硅是具有纳米晶结构特征的材料，肯定了量子限制效应在多孔硅光致发光中的作用。
The spectra analysis showed that porous silicon is the material with nano crystal structure, and photoluminescence of PS can be explained by the model of quantum restriction effect.
由该模型推导出氢致沿晶裂纹萌生时的临界有效拉应力。
From the model, the critical effect tensile stress for the initiation of hydrogen induced crack along grain boundaries has been derived.
本文介绍一种在提拉法中使用的晶种劈形自紧固方法。
A self-fastening method is introduced by which a cleat-shaped seed crystal is fixed in the swallow-tailed groove.
上述纳米晶金刚石沉积物显示出与半刚石沉积物几乎相同的拉曼谱峰，而且TEM图象也十分相似。
The described nano-crystalline diamond deposits show nearly the same Raman peaks as ballas deposits and also the TEM images look very similar.
通过模型分析了氧化铝基体和莫来石颗粒的应力状态及其对裂纹扩展的影响。由莫来石颗粒引入的基体拉应力使裂纹倾向于向晶内扩展。
The residual stresses in the alumina matrix and on the mullite particles as well as their effect on crack growth were analyzed by modelling.
四星级酒店皇家酒店丽晶基拉欢迎您与它的独特风格的英式乡村仅几分钟从基拉中心。
The four-star Hotel Royal Inn Regent Gera welcomes you with its distinctive English country style only few minutes from the centre of Gera.
由于拉伸孪晶只能单向启动，AZ31B镁合金在挤压方向的动态拉压不对称性显著。
Because of the polarity of tension twining, the tension-compression asymmetry of AZ31B magnesium alloy is much pronounced when tested along extruding direction.
GH105合金冷拉棒表面存在的碎晶层和其内部的显微裂纹是热处理裂纹源。
It is suggested that the broken crystal layer and microcracks in surface layer of the cold drawn rod is the source of the heat treatment induced cracks.
GH105合金冷拉棒表面存在的碎晶层和其内部的显微裂纹是热处理裂纹源。
It is suggested that the broken crystal layer and microcracks in surface layer of the cold drawn rod is the source of the heat treatment induced cracks.
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