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The spherical aberration of electron lens is always the principle factor which limits the resolution of electron microscope.

目前 ，电子显微镜已经成为人们观察和研究物质微观结构的有力工具。

It's shown by experiment and calculation that the main factories of influence on average electron incident angle are electron energy, magnetic lens ratio and target position.

实验和计算都表明，影响平均入射角的因素主要是电子能量、磁透镜比及靶位。

Furthermore, since no slit is formed in the first 13 and second 14 cylindrical electrodes, it is possible to avoid distortion of electrodes that is caused when slits are formed in the electrodes, as well as distortion of an electron lens due to the distortion of the electrodes.

而且，电极(13)和电极(14)上没有形成狭缝，故能防止在电极上形成狭缝时，产生的电极变形以及由此所引起的电子透镜的畸变。

It can be measured the ability of learning memory by shuttle box. The SYN of hippocampus and cortex neurons were observed by electron lens using immunohistochemistry method.

运用穿梭箱检测各组大鼠的学习记忆能力，采用生化法检测各组大鼠脑匀浆AchE，免疫组化方法观察SYN蛋白的变化。

The ability of learning memory was measured by Morris water maze. The inflammatory reaction of hippocampus neurons were observed by electron lens using immunohistochemistry method.

运用MORRIS水迷宫检测各组大鼠的学习记忆能力及采用免疫组化方法观察各组大鼠海马神经元TNF α，IL 1α蛋白的变化。

For example, there are an aberration reducing triode in cathode lens of Philips electron gun and the pre-astigmatism system for anti-deflection astigmatism.

并且形成了以Philips彩管，SONY彩管，RCA公司的COTY彩管以及其它日本公司彩管为代表的四大彩色显象管系列。

Errors in the machining of the objective lens in an electron microscope may result in aberrations which prevent the realization of the theoretically possible resolving power of the instrument.

高分辨本領电子光学仪器要求电子透镜具有理想的旋轉对称性。但是实际的电子透镜存在着非旋轉对称的缺陷；其中极端头的椭圓畸变影响最为严重。

Methods With ACP ase histochemical reaction by Gomori′s design,integral distribution and location of lysosome were observed through optical and electron lens.

方法采用 Gomori′s 铅法进行 ACP 酶组化反应，光、电镜观察溶酶体的整体分布和定位。

The results showed: there were some apoptosis cells found by microscope, electron lens and flow cell counter; there were model gradient streak in DNA electrophoresis of the GCT cells effected by high dense ADM over 0.4

结果表明，光镜、电镜及流式细胞分析均可获取一定数量的凋亡细胞，且较高浓度（0.4μg/ml以上）阿霉素处理的细胞DNA电泳可见典型的梯形条带。

The mechanism of GCT restrained by ADM: To determine the mechanism of GCT restrained by ADM, the GCT cells were cul- tured with ADM (the dense of ADM after adding were 0.04μg/ml, 0.4μg/ml and 4μg/ml) for 72 hours. The GCT cell were observed by microscope and electron lens, analyzed by flow cell counter and DNA electrophoresis.

阿霉素抑制骨巨细胞瘤的机理：为探讨阿霉素抑制骨巨细胞瘤的机理，我们用阿霉素与骨巨细胞瘤细胞悬液共同培养72小时（阿霉素最终浓度分别为0.04μg/ml，0.4μg/ml及4μg/ml），搜集细胞，用光镜、电镜观察及用流式细胞仪、DNA电泳进行分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。