电子显微镜

The impact strength was twice of PA6/SAMH binary system with a same flame-retarded performance.

采用热重分析、扫描电子显微镜对PA6/SAMH/PE三元体系的阻燃机理进行了探讨，发现母料法体系各组分界面作用强，燃烧炭层致密，残炭率高。

The results showed that under the given experimental conditions,the surface layer with richiron and poor copper was formed in the surface worn region of the semimetallic friction material,the depth of organic ingredient pyrolysis caused by friction heat in worn surfaces was atout 0.35mm; the semimetallic friction material containing 15%-20%of Cu had better wear-resistance,and can form a even and continuous transfer film of copper; crack peeling was the importantmechanism of the counterpart.

半金属摩擦材料具有摩擦系数稳定，耐磨性好，对环境污染小和对偶件表面损伤小等优点，但其在摩擦热和界面应力等因素作用下，表层会发生弹性变形，塑性变形，元素扩散，组分转移和摩擦化学反应等现象，因此，利用扫描电子显微镜X射线能量色散谱和差热－热重分析，对铜纤维增强的半金属摩擦材料与灰铸铁滑动摩擦表面层的特性作了分析研究，考察了表面层特性对摩擦损行为的影响。

The effects of concentration, time on the reaction was measured by UV-visible absorption spectra , the morphology of the silver nanoparticles was characterized by transmission electron microscopy; The structure of Sesbania Gum and silver colloid was measured by Fourier transform infrared spectroscopy .

通过紫外-可见吸收光谱研究了反应物浓度、反应时间对反应的影响；通过透射电子显微镜对银纳米粒子形貌进行表征；利用傅立叶变换红外光谱仪对田(来源：A116161BC论文网www.abclunwen.com)菁胶和反应所得到的银溶胶的结构进行表征；对溶胶的拉曼光谱进行检测，结果显示溶胶具有很好的Raman信号，室温下得到的溶胶表现出银纳米粒子对田菁胶的Raman信号增强作用。

Microscopy has shown that a gecko foot has nearly five hundred thousand setae, each 30-130 u m in length and approximately 5 u m in diameter.

人们在电子显微镜下发现，壁虎的足掌上有近50万根长度在30～130微米、直径在5微米的刚毛。

Results:Sorbaria sorbifolia extract significantly increased the activity of SOD in brain tissue, decreased the content MDA, inhibit the MAO activity. It was observed under microscope that Sorbaria sorbifolia could retrieve the degeneration of mitochondrion.

结果：珍珠梅提取物可提高D半乳糖所致大鼠脑组织SOD活性、降低MDA含量，抑制MAO活性；电子显微镜观察到珍珠梅提取物可以减轻D半乳糖导致的线粒体等超微结构的改变。

It can be seen that the size of the microgels is around 50～60 nm in diameter in the solid state,and the microgels exhibit a narrow size distribution with an average diameter of around 100 nm in the wet state.2.Pore size and morphology of hydrogelThe SEM images of freeze-dried hydrogels exhibited a highly macroporous spongelike structure and the average mesh size is about 10μm.

孔径通过扫描电子显微镜可以看到凝胶内部呈现多孔的类似海绵内部的结构，孔径在10μm左右，浸泡24h后可以发现网络结构发生了降解，孔径变大，达到20μm左右，浸泡7d后凝胶进一步降解，孔径增大到40～50μm.3。

Test methods such as ATR, IR transmission method, Raman spectroscopy, DSC(Differential scanning calorimeter), X-ray diffraction are used to investigate the assemble structure of the modified silk materials. And its microstructure is observed by SEM. Stannic acid is used to characterize the microvoids in the silk fibers and the mechanical properties of modified silk fibers are also tested in the paper.

本文采用了透射和全反射两种红外光谱吸收法、激光拉曼光谱法、差示扫描量热法、X射线衍射法等测试手段研究了改性真丝纤维的聚集态结构，采用扫描电子显微镜法研究了改性真丝纤维的微观结构，采用锡酸处理法对丝纤维内部的微孔进行了表征，并对改性后真丝纤维的力学性能作了测试分析。

The HPV DNA related sequences, the expression of HPV capside antigen and relationship between the ultrastructural feature of lesion and diverse types of HPV infection in 35 cases of the cervical pr61iferative lesions(cervical condyloma, cervical cancer)were analyzed on the levels of cell,subcell and molecule by using nucleic acid hybridization, immunohistochemical method and electron microscopic technique.

本研究分别用核酸杂交、免疫组织化学和电子显微镜术等方法从细胞、亚细胞和分子水平上比较分析了35例子宫颈增殖性病变中人乳头瘤病毒DNA相关序列，人乳头瘤病毒衣壳抗原的表达以及病变超微结构变化特征与不同型别人乳头瘤病毒感染之间的关系。

In order to study the structure of tapetal degeneration in watermelon, especially on the relation-ship between the tapetal degeneration and pollen development, the light and electron microscopes were used.

为研究西瓜绒毡层退化的结构特点，尤其是绒毡层的退化与花粉发育的关系，用光学和电子显微镜研究了西瓜绒毡层退化过程。

Polyester nanofiber can be prepared by electrospinning process from PET chips separately dissolving in three kinds of solvents,namely,the mixture solvent of phenol and tetrachloroethane ,trifluoroacetic acid and the mixture solvent of trifluoroace- tic acid and dichlormethane.

利用静电纺丝法制备聚酯纳米纤维，选择苯酚和四氯乙烷，三氟乙酸，三氟乙酸和二氯甲烷3种溶剂分别溶解PET切片进行静电纺丝，通过扫描电子显微镜对纤维表面形态进行观察，结果表明：三氟乙酸和二氯甲烷混合溶剂溶解PET制备的电纺纤维较好。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。