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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。

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。

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。

On creating model of cultured hippocampal neurons injured by amyloid, we studied the mechanisms of close interrelation between amyloid and Alzheimer"s disease at cell and molecular level with advanced test methods. For example, the technique of optical lens and electron microscope , immunohistochemical method,biochemistry.molecular biology and HPLC, so as to deeply probe into the mechanisms that Decotion of Rehamanniae prelects and treats Alzheimer"s disease.

本课题通过建立β淀粉蛋白损伤离体培养的海马神经元模型，运用光、电镜技术及免疫组化、生物化学、高效液相及分子生物学等先进的检测手段和方法，从细胞及分子水平进一步探索了Aβ与老年性痴呆发生、发展密切相关的综合机制，从而全面深入地探讨了地黄饮子防治AD的作用机理。

The photos of the sample cutoff are taken by the AMRAY-1000 scanner electron camera lens and metallographic tissues by the NEPHOTO-30 optics microscope. Besides, micro-tissues are observed by the JEM-2010F transmittal electron lens.

利用AMRAY-1000型扫描电镜拍摄试样断口照片、NEPHOTO-30光学显微镜拍摄试样的金相组织、采用JEM-2010F型透射电镜进行微组织观察。

So it is a effective prescription of protecting and treating AD.In our experiments, the model ras were administered D-gal intraperitioneal injection and β-Amyloid protein fragment_(1-40) into hippocampus. Mean well we used the technique of optical lens、 electron microscope、 immunohistochemical method, biochemistry and molecular biology.We studied the mechanisms that DR pretect and treat AD from the aspects of apoptosis、 inflammation injury、 oxidative injury 、 cholinergic neuron injury and the behavior experiments at cellar and molecular level.

本实验复制了D-gal腹腔注射合并Aβ_(1-40)海马定向注射AD动物模型，运用光、电镜技术及免疫组化、生物化学及分子生物学等先进检测方法，从行为学及细胞、分子水平探索地黄饮子对过氧化损伤、胆碱能损害、炎症损伤、细胞凋亡等相关调控因素影响的作用机制。

The structure of molecule can be seen under an electron microscope.

这种分子的结构能在电子显微镜下观察到。

The structure of molecules can be seen under an electron microscope.

分子的结构可在电子显微镜下观察到。

The most important result of these experiments is brought by transmission electron microscope.

这些实验结果中，一个很重要的指标是透射电子显微镜观察结果。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。