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- Thermal cycling;Electron-irradiation degradation;Willemite;Thermal etching;Single crystal;Etch pit 关键词:热循环;电子束退质;矽酸锌;热蚀刻;单晶;腐蚀坑
- The etch pit density of SI-GaAs crystals can reach the order of 10~2/cm~2.There is no microprecipitate of indium in the crystals. 晶体中位错腐蚀坑密度达到约10~2/cm~2数量.;晶体中没有观察到铟的微沉淀物
- Lithographic printing aluminum plate was systematically ac electrograined to investigate the nucleation and growth of the etch pit and the formation of the etch film. 摘要本研究针对平版印刷用铝板进行一系列交流电解粗化，藉以瞭解蚀孔衍生成长机构与腐蚀膜的生长机制。
- However,the pure edge dislocation is easily etched along the dislocation line,inducing an etch pit of inverted hexagonal pyramid aligned with the surface step. 纯刃位错易于沿位错线被腐蚀;因而其腐蚀坑是沿着表面阶梯分布的尖底倒六棱椎.
- Some etch pits were observed on {100} face of the most diamond crystals which are synthesized with sulfur-added Fe-Ni, while no etch pit in the diamond synthesized without sulfur additive. 在大多数用含添加剂硫的铁镍触媒合成的金刚石的{100}山面，有熔坑出现，而用铁镍触媒合成的金刚石没有这种现象；
- The relationship between dislocation etch pits and refractive index inhomogeneity in BBO crystal is reported in this paper. 本文报道了BBO晶体中位错密度对光学均匀性的影响。
- By comparing with the results obtained from etch pits technique,the measurements of the dislocation densi-ty of the diamond crystal have been made by ECP technique of SEM. 本文应用扫描电镜的ECP技术对人造金刚石晶体表面的位错密度，进行了实验分析，并同位错蚀坑分析技术的测量结果进行了比较。
- The erosion of GD type steel fibre in industrial phosph-acid has been tested by the electrochemistry and thermal etching testing. 利用电化学方法、热腐蚀试验等研究了GD型钢纤维在工业磷酸中的腐蚀行为。
- Germanium monocrystal--Inspection of dislocation etch pit density GB/T5252-1985锗单晶位错腐蚀坑密度测量方法
- Method of measurement of etch pit density of germanium crystal 锗晶体浸蚀点密度的测定方法
- Test Method for Shallow Etch Pit Detection on Silicon Wafers 探测硅片表面浅蚀坑的测试方法
- Germanium monocrystal; Inspection of dislocation etch pit density 锗单晶位错腐蚀坑密度测量方法
- The result indicates that there are obvious differences between CO2 and CH4 gas reservoirs on value of thermal etching carbonate, fluorescence spectrum and CO2 gas content in Huagou area. 结果表明,花沟地区的CO2气和CH4气具有不同的地球化学指标组合异常特征,在热蚀碳酸盐、荧光光谱及CO2气含量等指标上有明显的差异。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- Many coal-miners were imprisoned in a pit accident. 在一次塌方事故中，许多矿工被压在了井下。
- Plenty of oxidation etching pits are found on the surface of the specimen after the thermal fatigue test,and the surface principal crack is prone to propagate through these etching pits. 实验结果发现,试样表面出现大量的氧化腐蚀坑,表面主裂纹优先通过这些腐蚀坑扩展。
- The managers want to pit the champion against John. 经理人想让冠军与约翰比赛。
- A term sometimes applied to a stylus in a thermal matrix printer. 有时用来指热敏点阵打印机的触针的一个术语。
- The managers want to pit the champion against an unknown. 经理们想让冠军与一名未成名的选手比赛。
- A hole or pit, especially one in a road surface. 坑洞尤指路面上的涡穴或坑洞
