结构射

The results of the design show that DOE has a great effect on ameliorating the field of view of the Cassegrain optical system. The design scheme reduces the demand fur high technical levels and cost, and has a compact structure and better aberration char acter.

设计结果表明，衍射光学元件对于改善卡塞格林系统的视场具有重要的作用，此设计方案降低了对加工工艺的要求，大大降低了成本，结构紧凑且具有良好的消像差特性。

We study the relationship between microstructure and luminescence efficiency for GaN heteroepitaxial films by cathodoluminescence,transmission electron microscopy,and X-ray diffraction.

用阴极射线致发光法、透射电子显微镜和X射线衍射法研究了异质外延GaN材料的发光性质与结构特性的关系。

The first conductivity base board comprises: a base material, a first projection, a second projection and a light spacer; the first projection and the second projection are installed on the base material with central line symmetry, the second projection is the image structure of the first projection relative to the central line.

第一导电基板包括一底材、一第一凸块、一第二凸块及一光间隔物，第一凸块及第二凸块以对称于一中心线的方式设置于底材之上，第二凸块为第一凸块对应于此中心线的镜射结构。

The doping of a small amount of cerium ions has no influence on the structure of the host.

X射线衍射分析结果表明合成样品为YAG纯相，稀土离子的少量掺杂不改变基质YAG的结构。

Significant amorphous transformation and chemical chain scissions were observed, which depended strongly on ion fluence and electronic energy loss near the sample surface.

用35MeV/u的Ar离子室温下辐照多层堆叠的半晶质的聚酯膜，采用X射线衍射技术和X射线光电子谱仪分析研究了辐照引起的表面结构和组分的变化。

The RE doped TiO2 was prepared by sol-gel method, the structure and shape were characterized by X-ray diffraction and FE-SEM. The photocatalytic activities were evaluated by degradation of chloramine phosphorus.

采用溶胶－凝胶法制备稀土掺杂纳米TiO2光催化剂，利用X射线衍射仪和FE-SEM等对样品的结构和形貌进行表征。

The spinel LiMn2O4 is synthesized by the citrous acid method. The X-ray diffraction pattern of LiMn2O4 show that the product is a spinel phase with a=0.824nm cubic unit cell.

论文首先采用柠檬酸配位法制备尖晶石型LiMn2O4，X射线衍射证实了产物的结构，晶胞参数a=0.824nm。

In common emitter configuration and class C operation, the SiGe heterojunction bipolar transistor with continuous wave output power of 5W and collector conversion efficien...

在共射结构C类工作状态下，SiGe异质结双极晶体管工作在900MHz时，连续波输出功率为5W，集电极转化效率为63％，功率增益为7.4dB。

The electrodeposited films were characterized by X-ray diffraction, scanning electron microscopy and energy dispersive X-ray spectroscopy for structural, morphological and componential properties.

采用X射线衍射、扫描电镜和X射线能谱对预制层的结构、形貌和成分进行了表征。

At the same time, the relationships for their structure characteristics and the properties are verified constitutionally.

培养了6种富氮化合物的单晶，用X射线单晶衍射分析测定了它们的晶体结构，证明它们均是离子型化合物。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷