扩散区

kuò sàn qū
  • diffusing area
扩散区扩散区
  1. 这些实验还表明,紧接近复合区的高掺Zn的扩散区有可能是一个缺陷源。

    These experiments also showed a possible source of defects is a highly doped Zn-diffused region in close proximity to the recombination region .

  2. Nb的加入使界面扩散区的显微维氏硬度提高近50%,金属Ti侧的显微维氏硬度提高60~80%。

    The Micro-hardness of the interfacial zone and Ti zone improved with the content of Nb increasing and interfacial zone hardness was enhanced approximately 50 % .

  3. 在高倍下做元素的线扫描、面分布时,由于扩散区小,所得的特征X射线像边界清晰、视觉效果好。

    Owing to small diffusion area , the special X-xay images have clear phase boundary and good visual effect when line scanning and mapping images of elements are made in high magnification .

  4. 由于p~+区内杂质浓度的分布,在扩散区中存在十分强的自建漂移场,因而光生载流子将在自建场的作用下漂移进pn结内。

    Because of the profile of doping density in p + region , there exists a very large build-in drift field in diffusion region , by which photoproduced carriers are drifted into pa junction .

  5. 本文提出了一种CCD(电荷耦合器件)中的电荷泵效应。这种效应会引起FDR(浮置扩散区)的电位漂移,并带来一种特殊的电荷转移损失。

    In this paper , a charge pumping effect in CCD with floating diffusion region is introduced , which will lead to a voltage shift and a special charge transfer loss .

  6. 熔覆层与基体形成交互扩散区,在该区中发现(Fe,Cr)23C6碳化物,同时还存在大量的α和γ微晶。

    The interdiffusion zone is formed between the coating and substrate . The carbide of ( Fe , Cr ) 23C6 and microcrystal of α,γ are discovered in the interdiffusion zone .

  7. 当QTi3.5-3.5石墨半固态浆料固相率等于45.8%时,可得到最大复合板界面剪切强度127MPa,与之对应的复合界面不存在复合缺陷,形成了由Fe-Cu互扩散区构成的冶金结合界面结构。

    When the solid fraction is 45.8 % , the highest shearing strength of bonding plate can be obtained , correspondingly , there no bonding defects in the interface , forming the metallurgical bonding structure composed of Fe-Cu inter-diffusion zone .

  8. 激光诱导扩散区温度分布的均匀化

    Flatting of Temperature Distribution in Laser Induced Diffusion Region

  9. 激光诱导扩散区的温度监控

    Measuring and controlling of the temperatures of the region in laser assisted diffusion

  10. 连续波激光诱导扩散区温度的不接触测量

    Remote sensing of the temperature of the exposed region in laser assisted diffusion

  11. 桩体,浆液扩散区和天然土体三部分共同承担上部荷载。

    Three parts as pile , diffusing zone and undisturbed soils bear jointly load .

  12. 这种扩散区是孤立的。

    The diffusion zones are only isolated .

  13. 对比分析这种变化特征可确定渗滤液扩散区的污染程度、扩散速度及扩散方向。

    Pollution level , diffusing velocity and direction can be known from contrast analysis of such a change .

  14. 在测量子系统进行温度测量的同时,温度控制子系统以测得的温度值作为反馈信号控制电动可调光阑自动控制入射激光的功率,从而实现对扩散区温度的实时闭环控制。

    On the basis of the temperature measurement , the temperature can be controlled by temperature-controlling subsystem automatically .

  15. 观测发现,离子扩散区中心区域出现了次级磁岛。

    One secondary island with a strong core magnetic field is found near the center of the ion diffusion region .

  16. 两种钎料的钎焊接头都主要由扩散区和残余钎料区组成。

    The brazing joints of the two filler metals are both composed of diffusion zone and residual brazing filler one .

  17. 内环颗粒循环强度对底部密相区的密度分布影响较小,只对导流筒上部湍流扩散区有影响;

    The solids flux has little effect on the density distributions in the bottom dense region , but significant effect on the upper turbulent flow diffusion region .

  18. 经焊后回火热处理后,主要合金元素沿焊合区的扩散区宽度增大;焊合区钛合金侧硬度值显著提高。

    The diffusion zone width of main alloying elements increases and hardness of the friction weld zone near TC4 titanium alloy side improves after post-weld heat treatment .

  19. 依据扩散区的温度,用饱和硼酸溶液对板材进行浸渍&扩散处理6~8周,获得很好的效果;

    Depending on the temperature in the diffusion area , the dip diffusion treatments of sawn timber with saturated boron solutions got good results in 6 ~ 8 weeks .

  20. 重联电场和扩散区及磁岛外部区观测到的低混杂波可能同时加速电子,形成了观测上的高能电子分布。

    The flat-top distribution is formed . Both the reconnection electric field and lower hybrid waves are observed in the diffusion region and the outer region of the island .

  21. 在考虑浆液扩散区的基础上,修正了承载力公式,并用工程实例进行了验证。

    Based on taking diffusing zone into account , bearing capacity formula of composite foundation is amended to adapt grouting pile composite foundation , which is validated by practice project .

  22. 其表观活化能约为4.76大卡/克分子,过程的决定步骤在扩散区。

    The apparent activation energy is about 4.76 KCal / mole . Therefor , it is reasonable to conclude that the diffusion is the rate controlling step of this sulfating process .

  23. 结果表明,内环床层密度分布可分为底部密相区和上部湍流扩散区;

    The results show that the axial distributions of solids density in the internal annular region have two modes , namely the bottom dense phase and the upper turbulent flow diffusion phase .

  24. 研究了阳极氢气流速、环境温度和环境相对湿度对自增湿膜电极性能的影响,并对水扩散区面积进行了优化。

    The effects of anode hydrogen flow rates , environmental temperature and relative humidity on the performance of the self-humidifying MEA were investigated . Then , the area of WTR was optimized .

  25. 经焊后回火热处理,摩擦焊接头两侧主要合金元素的扩散区宽度增大,焊合区钛合金侧的硬度值因时效作用而有所提高。

    After post-welding heat treatment , the diffusion zone of main alloying elements Ti , Al and V widens and the microhardness of the friction welded joints near titanium increases greatly because of the aging effect .

  26. 根据施药后树干各部位针孔产量的差别,分为高效区、低效区和气体微量扩散区。

    Based on the difference in yield of puncture points at various distances from the stimulated zone , the trunk of the tree is rated as highly effected parts , slightly effected parts and trace-gas diffusing parts .

  27. 根据唯象方程,推导出试验条件下阴极和阳极扩散反应区的不同原子净流量和界面IMC的生长速率表达式。

    In electromigration , the expressions to atomic flux and Ni-Sn IMC growth rate have been derived from the phenomenological equations .

  28. 碳钢黄铜中间层不锈钢液固相扩散结合区组织青藏地区青稞中VE的高效液相色谱测定

    Microstructure of liquid and solid diffusion bonding region of carbon steel-brass interlayer-stainless steel

  29. 实验和分析结果表明:肝脏可分为三个特征散射区域,即近似的瑞利散射区、随机散射区及扩散漫射区;

    The results indicate that a liver can be divided into three distinguished scattering region .

  30. 有利于提高Fe3Al/Q235扩散过渡区的韧性,提高扩散焊接头的抗裂纹能力。

    This is favorable to enhance toughness of Fe 3 Al / Q235 diffusion welded joint .