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The ultrastructure of spermatozoa of Takifugu xanthopterus was observed by means of scanning electron microscopy and transmission electron microscopy.

在透射电子显微镜及环境扫描电子显微镜下观察黄鳍东方鲀精子的超微结构。

Carbon nanocoils were in situ synthesized by the flame combustion of ethanol using stannic chloride as catalyst precursor. The morphology and structure of CNCs were characterized by means of scanning electron microscope, transmission electron microscope, X-ray diffraction and Raman spectrum.

采用乙醇火焰燃烧，借助于基板材料上涂敷锡盐作为催化剂前驱体，制备了螺旋结构碳纳米纤维；借助于扫描电子显微镜、透射电子显微镜、XRD和拉曼光谱等分析了螺旋碳纤维的形貌和结构。

In current study, the laser shock processing technique of high energy and short pulse duration is adopted. The substructural transformation characteristics and mechanisms of 2Cr17Mn15Ni2N austenitic stainless steel, subjected to ultra-high strain-rate and impact stress in excess of dynamic yield strength of the target, are investigated by scanning electron microscope, X-ray diffraction and transmission electron microscope technology.

采用高能短脉宽激光冲击加载技术，利用扫描电子显微镜，X射线衍射和透射电子显微镜等手段，研究了在激光诱导的超高应变率和高于材料动态屈服强度冲击加载条件下，2Cr17Mn15Ni2N奥氏体不锈钢表面亚结构的转变特征和机制。

In DVD times, summerly new electron once was the whole nation's well-known home appliance company, with mansion China electron is called " Shuang Xiong of Xiamen home appliance ".

在DVD时代，夏新电子曾经是全国出名的家电企业，与厦华电子并称为&厦门家电双雄&。

This happens in a so called reaction center inPhotosystemⅡ, where a tetrameric chlorophylls (P680) absorb the solar light andinitiate photoinduced electron transfer reaction to the acceptors, quinone A and B. Thephoto-oxidized P680 retrieves the electron from a Mn4Ca cluster via a tyrosine, thelatter components are also called oxygen evolving center. After 4 photo-processes, twomolecular water are oxidized to a molecular oxygen.

在光系统二的活性中心，叶绿素P_(680吸收太阳光，将电子传递给电子受体、醌A和醌B，同时光氧化的P_(680)~+从释氧中心中得回电子(通过Tyr_z氧化Mn4Ca簇)，经过四次光诱导电子转移，两分子水最终被氧化生成一分子氧气。

Provided are carbide derived carbon materials prepared by thermochemically reacting carbide compounds and a halogen containing gas and extracting all atoms of the carbide compounds except carbon atoms, wherein the intensity ratios of the graphite G band at 1590 cm -1 to the disordered-induced D band at 1350 cm-1 are in the range of 0.3 through 5 when the carbide derived carbon is analyzed using Raman peak analysis, wherein the BET surface area of the carbide derived carbon is 1000 m 2 /g or more, wherein a weak peak or wide single peak of the graphite (002) surface is seen at 2 = 25 DEG when the carbide derived carbon is analyzed using X-ray diffractometry, and wherein the electron diffraction pattern of the carbide derived carbon is the halo pattern typical of amorphous carbon when the carbide derived carbon is analyzed using electron microscopy.

提供了得自碳化物的碳，其通过热化学反应碳化物化合物和含卤族元素的气体并提取除了碳原子之外的碳化物化合物的全部原子制备，其中当使用拉曼峰分析法分析该得自碳化物的碳时，在1590cm -1 的石墨G波段与在1350cm -1 的无序引发的D波段的强度比为0.3至5，其中该得自碳化物的碳的BET表面积是1000m 2 /g或更大，其中当使用X射线衍射法分析该得自碳化物的碳时，在2θ＝25°观察到石墨(002)面的弱峰或宽单峰，以及其中当使用电子显微法分析该得自碳化物的碳时，得自碳化物的碳的电子衍射图是代表无定形碳的晕图案。该发射体具有良好的均匀性和长寿命。可以使用比用于生产常规碳纳米管的方法更廉价的方法制备发射体。

Simulative results show that the electron beam can be transported in the unmagnetized plasma-filled for two reasons. The first, the plasma neutralizes the majority of the space charge forces within the beam. The second, radial electric field generated by electron beam interaction with the plasma leads the beam to converge along axis. By PIC simulation, we find that atomic mass of the background ion effects on the Characteristics of the plasma-filled devices.

非磁化等离子体填充的RBWO-FEL的模拟表明只有在一较窄的背景等离子体密度范围内，电子注才能良好传输，产生泵波及激光功率输出，并都存在有峰值功率点，同实验观测到的结果完全吻合；该范围内，电子注的传输是由于背景离子中和了注中径向发散空间电荷力及注在等离子体中产生的径向的电场使注在轴向汇聚。

Electron-microscopic observation: In stroke-prone spontaneous hypertension group, electron density was found increased in necrotic neurons; moreover, some nuclear membrane lost double-layer structure with ridges broken, even reduced or disappeared, displaying vacuolated changes. In losartan 30 mg/ group and losartan 10 mg/ group, most of neurons displayed basically normal morphology, with neuron chromatin evenly distributed and nuclear envelops regular, but there were still some neurons that had dense chromatin, with ridges broken and reduced.

3组大鼠脑组织电镜观察：易感型自发性高血压组大鼠坏死神经元电子密度增高，有的核膜失去双层结构，嵴断裂、减少甚至消失，呈空泡样改变；氯沙坦30mg/组和氯沙坦10 mg/组大多数神经元染色质分布均匀，核膜规整，细胞形态基本正常；少数神经元核染色质较致密，部分嵴断裂、减少。

Mesoporous zincum sulfide is synthesized by gentle wet chemosynthesis method, with DDA as templates and Zinc acetate and TAA as precursors. The effect to the synthesis of the ratio of reactive components, the volume of pH, reactive time and reactive temperature has been dicussed systematically, and structures of the as-synthesized samples have been characterized by X-ray diffraction, N2 adsorption-desorption, scanning electron microscopy, Fourier transform-infrared spectra, UV-vis diffuse reflectance spectroscopy, transmission electron microscopy.

以十二胺为模板，醋酸锌及硫代乙酰胺为前驱体，温和湿化学法合成了硫化锌无序介孔结构，系统研究了反应物配比、pH值、反应温度、反应时间对材料合成的影响，运用X射线衍射、N2吸附-脱附、扫描电镜、红外光谱、紫外-可见吸收光谱、透射电镜等分析手段对介孔材料的结构进行了详细的表征。

The isolated aerobic ammonia oxidizers could use nitrite as electron acceptor to carriy out anaerobic ammonia oxidation as well as using oxygen as electron acceptor to oxidise ammonia.

所分离的好氧氨氧化菌能以氧作为电子受体进行亚硝化作用，也能以亚硝酸盐作为电子受体进行ANAMMOX作用。

In the chapter 2, the theoretic knowledge about the photosensitive resin and the grinding tools was firstly introduced.

第二章阐述了光固化树脂结合剂磨具的相关理论研究。

Do not use the program's indenting or margin-setting features; these will be added during typesetting.

不要使用缩排，页面边缘设置之类的选项，偶看不大懂。