查询词典 Fresnel diffraction

Solid complexes of rare earth picrates with the ligand 2,6-bis(benzimidazol-2-yl)pyridine have been synthesized and characterized by elemental analysis, IR and electronic spectra. The crystal and molecular structures of the complex [CeL22]·(CH3OH)3 have been determined by single crystal X-ray diffraction.

合成了稀土苦味酸盐与配体2，6-二(2-苯并咪唑基)吡啶的配合物，通过元素分析、红外光谱及电子光谱对配体及配合物进行了表征，并用X射线单晶衍射测定了配合物[CeL22]·(CH3OH)3的晶体结构。

We tried to prepare Li2S-SiS2 based thionitride glasses by the solid synthesize method, where Li3N was used as a nitrogen source. This paper reports the preparations, electrical, and electrochemical properties of Li2S-SiS2-Li3N glasses. Phase identification was carried out by X-ray diffraction .Ionic conductivity of the pelletized solid electrolytes was investigated through AC impedance.

本文以无机固体电解质为研究对象，利用固相合成方法制备了以Li2S-SiS2为基体掺杂Li3N的三元体系Li2S-SiS2-Li3N；通过XRD对样品进行了物相分析；采用交流阻抗技术测量了电解质样片的阻抗谱并计算了离子电导率和活化能；并利用循环伏安法估测了电解质样片的电化学稳定性；用固体电解质组装成模拟电池进行充放电测试。

By using the results from systemical petrography, X-ray powder diffraction, and EPMA analyses on the run products from experimental simulaion under constant temperature and pressure, we have explored the paragenesis for the pelites suffering metamorphic dehydration under high pressure condition, the process and mechanism for these metamorphic dehydration, and the relation between the components for garnets, one of the major phases in the paragenesis, and the experimental conditions including pressure, temperature, and chemical compositon in a system.

由恒温、恒压实验产物系统的岩相学、X射线粉晶衍射和电子探针分析，揭示了天然泥质岩发生高压变质脱水作用后的矿物相组合，确定了泥质岩高压变质脱水作用的过程和机理，以及主要矿物相石榴子石的组成与压力、温度和体系化学组成的关系。

If you take sunlight and spread it out into a spectrum you'll reveal all the colours of the rainbow — Isaac Newton first managed this with a glass prism, but nowadays we use very precise diffraction gratings.

如果你把它的阳光和蔓延到频谱您会发现所有的颜色的彩虹-艾萨克牛顿第一管理这一带有玻璃棱镜，但现在我们使用非常精确的衍射光栅。

The results show that the diffraction patterns for WS2 single phase were observed; the pronounced quantum size effect exists in S-W-S nano clusters, and it enhances the hybridization of different electronic shell obits and formed a closed hollow spherical structure without any dangling bond. In the lubricating process, such a system can maintain its chemical stability and decrease energy dissipation.

分析结果表明：XRD图样显示为WS2相单相；在S-W-S纳米簇团中存在显著的量子尺寸效应，该效应强化了硫原子电子壳层间的轨道杂化，使纳米级的WS2润滑晶体形成了1个没有悬键的、化学性能稳定的中空球体，在润滑过程中，这种结构可使体系保持较强的化学稳定性，能耗降低。

This study presented the effect of multi-modification on microstructure and properties of high manganese steel by means of microstructure observation, X-ray diffraction line profile analysis and properties testing.

通过显微组织观察，X射线线形分析和性能测试，研究了多元变质处理对高锰钢微观结构和性能的影响。

The instruments for protein crystal diffraction data collection have been improved very much, for example, the use of synchrotron technique increased data collecting rate and improved the data qualities and resolution.

用于蛋白质晶体衍射数据收集的仪器有了很大进步，同步辐射光源的使用大大加快了数据收集的速度，提高了数据的分辨率，改善了数据质量。

X-ray diffraction. The microstructure and cross section microhardness of nitrided layers were observed and analyzed by optical microscope and microhardness tester.

在一定的工件表面温度下，粒子表面物理吸附的氮原子发生脱附，脱附下来的活性氮原子渗入基体的内部，形成渗氮层。

The first order diffraction intensity of three Ni and three Ge zone plates is compared with that of an Au zone plate.

分别将3个镍和锗波带片的一级衍射强度与金波带片进行了比较。

Calculation of diffraction intensity of zone plate on misfocus condition.

离焦情况下波带片衍射光强的数值计算。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。