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Two kinds of silicon samples with distinct surface treatment, i. e., one surface was chemically etched and the other was unetched, were used to investigate the characteristics of leakage current and surface flashover of semiconductor under impulse voltage in vacuum. The experimental results showed that the surface conditions of samples affected these characteristics greatly. Before flashover, the Ohmic current was observed for unetched samples and the space charge limited current for etched samples, respectively. Meanwhile both samples showed quite different flashover tracks, and the surface-etched samples displayed a much higher onset voltage of flashover.

对采用和未采用表面化学腐蚀处理的半导体硅在冲击电压下的实验表明（参见 Zhang et al ， Applied Physics Letters， 2002），试品的表面状况对其泄漏电流和沿面闪络特性有着很大的影响：在沿面闪络之前，未经处理试品的泄漏电流表现为 Ohm 性电流，而表面处理过的试品表现为空间电荷限制电流特性；同时两类试品表面的闪络通道也表现出不同的特征，而采用表面化学腐蚀处理可以明显提高其沿面闪络电压。

Methods The implants were divided into sandblasted and dual acid- etched treatment Group and sandblasted, dual acid- etched, H2 O2 and heat treatment Group, and randomly implanted into distal - cordis end of each femur of the rabbits.

方法种植体分为喷砂、双重酸处理组和喷砂、双重酸、双氧水、热处理组，然后随机植入兔子股骨远心末端，2、4、8周后制作带种植体的骨组织样品。

In this paper. a novel magnetic head crab track pluck detection way is given by the analysis of etched servo graph for 4000 TPI etched surface servo. It improve the maximum seek track speed of magnetic head greatly, So that magnetic head can seek track at high speak for high track density.

光刻伺服盘是一种新的磁头伺服定位技术［1］，通过对4000TPI光刻面伺服系统的光刻伺服图形结构的分析，本文提出了一种简单可靠的磁头过道脉冲检测方式，可显著提高磁头寻道速度，保证磁头在高道密度下高速寻道。

Germanium-silicon material is formed in the source region and drain region to fill with the etched source region and an etched drain region.

硅锗材料形成于源极区域和漏极区域中，以填充蚀刻的源极区域和蚀刻的漏极区域。

The figure of silicon tips etched in this novel etching solution is rocket tips on right rectangular pyramid rather than unsymmetrical eight sided pyramid etched in other etching solution.

更为重要的是该腐蚀液腐蚀的硅尖异于常规的不对称八棱锥，而是一种半锥角很小的"火箭尖"形状，因此可望获得更好的扫描特性和隧道效应。

Anisotropically etched insulative sidewall spacers are formed over opposing sidewalls of individual of said transistor gate lines within the peripheral circuitry area prior to forming anisotropically etched insulative sidewall spacers over opposing sidewalls of individual of said transistor gate lines within the memory array area.

在所述存储器阵列区域内的所述晶体管栅极线中的个别者的相对侧壁上形成各向异性蚀刻的绝缘侧壁隔离物(40)之前，在所述外围电路区域内的所述晶体管栅极线中的个别者的相对侧壁上形成各向异性蚀刻的绝缘侧壁隔离物(34)。

In the course of anode oxidation, amorphous carbon atoms were etched under the suitable conditions at first, then, crystallitic carbon atoms would be etched as the surface treatment conditions becoming more rigorous.

结果表明，如果采取适当的阳极氧化条件，可以同时增加ACF的表面含氧官能团数目和比表面积，从而使ACF吸附性能有较大的提高。

There is also poverty, convincingly etched in the statistics, and etched too, in the lives of people like Hortensia Cabrera, mother of 14, widow.

贫困，不容置疑地深深印在统计数字之中，也印在像卡布雷拉那样的人们生活之中，她是14个孩子的母亲，一个寡妇。

RD auto pinning machine is used to make reference positioning pin prior to drill the laminated plates of etched circuit card on drill machine for etched circuit card manufacture premium products.

RD全自动钉销机用于印刷电路叠层板在印制电路板数控钻床钻孔前钻作基准定位销钉，从面保证印刷电路板数控钻床能加工出高品质的产品。

DDX auto pinning machine is used to make reference positioning pin prior to drill the laminated plates of etched circuit card on drill machine to ensure that the numerical controlled drill machine for etched circuit card can manufacture premium puoducts.

DDX全自动钉销机用于印制电路叠层板在印制电路板数控钻孔前钻作基准定位销钉，从而保证印制电路板床能加工出高品质的产品。

I was just taking her hand, to help her out of a car, and I knew it.

我只是握着她的手，扶她下车，但我知道这一切。

China and South Korea have excoriated Japan over its approval of new school books which they say whitewash the atrocities committed during Japanese occupation, and anti-Japanese protests have been held in Chinese cities. The lingering bitterness over Japan's past imperialism still threatens to mar relations between the big East Asian powers

中国和韩国强烈谴责日本通过新的中学历史教科书，他们认为这一教科书掩盖了日本在其占领期间所犯下的残酷暴行，反日抗议活动在中国数座城市发生，历史上日本帝国主义制造的痛楚无法被忘却，这有可能破坏东亚强国间的关系。