查询词典 Fresnel diffraction

Under small-scattering approximation the diffraction integral equation for determining distribution of diffracted light field is presented. Comparision is made with coupled wave theory and K.

本文首次将不均匀物体对光的散射过程引入到体全息图对再现光的衍射过程，在小信号近似下获得了衍射光场分布的积分方程，并与耦合波理论及K。

This results are in accordance with the deuterium site occupation in the η-phase with neutron powder diffraction in li

可以预见该类材料在氢同位素的贮存、处理等方面有重要的应用前景。

Single crystal of Arginine dichloride dihydrate was studide by x-ray diffraction expriments in emphasis of main influence factors of arginine conformational variation,and was also compared with its other conformations in the existence of different anions.

以X光衍射实验对二水合氯酸的晶体结构进行了研究，重点讨论了影响精氨酸构象变化的主要因素并比较了在不同阴离子存在条件下精氨酸构象的变化情况。

The morphology, composition, diameter, size and size distribution, differential thermal and weight loss of MoS2 particles were measured by X-ray diffraction, transmission electron microscopy equipped with an energy-dispersive X-ray spectrometer, Zetasizer analyzer and differential thermal and thermogravimetric analysis in air.

用X-射线衍射、透射电子显微镜、能谱、粒度分析仪以及差热－热失重分析等分析手段，考察了产物粒子的形貌、成分、尺寸及尺寸分布、差热－热重的情况。

The fabrication of fibers was attempted. The copolymers, the copolymers containing MOCT and the copolymer films containing MOCT were characterized by using Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, Differential Scanning Calorimetry, Thermogravimetric Analyzer and X-ray Diffraction etc. The conclusions were summarized as following,1. The AN/MMA copolymers were testified that copolymerization of most AN and MMA occurred and the ratio of AN and MMA in copolymer was less than the ratio of monomers. With the increase of the contents of MMA, the viscosity of copolymer solution, molecular weight and decomposition temperature of copolymers increase.

通过傅立叶变换红外光谱、扫描电子显微镜、差示扫描量热分析、热重分析、X-射线衍射分析等测试方法对得到的AN／MMA共聚物、含有正十八烷微胶囊的共聚物以及共聚物膜等进行了测试和分析，得到如下的研究结论： 1、丙烯腈—甲基丙烯酸甲酯之间发生了聚合反应，共聚物的组成比略小于投料比；共聚物的粘度和分子量随着第二单体MMA加入量的增加有增大的趋势；第二单体加入量的增大使得共聚物的分解温度升高，通过热重分析证实当AN／MMA摩尔比为85／15时，共聚物的耐热稳定性较高。

The Fe57-xCo18Nb4Al2Si4B15Smx(x=0-3) amorphous alloy ribbons were prepared byvacuum arc melting and melt spinning. The influences of Sm addition on the glass forming ability, thermal stability, crystallization behavior and magnetic properties of Fe57-xCo18Nb4Al2Si4B15Smx amorphous alloys were studied by X-ray diffraction, differential thermal analyzer and vibration sample magnetometer survey.

摘 要：采用真空电弧熔炼和真空熔融甩带法制备Fe57-xCo18Nb4Al2Si4B15Smx(x=0~3)非晶合金，借助X射线衍射、差热分析以及振动样品磁强计等手段研究稀土元素Sm对制备合金的非晶形成能力、非晶热稳定性、非晶晶化行为以及磁性能的影响。

By using the Serber model, double differential cross section and angle distribution of 〓He fragments were calculated in terms of direct process theory including nuclear diffraction dissociation and stripping process.

利用基于Serber模型的直接核过程：核衍射破裂和削裂过程理论，计算了〓He的破裂反应产生的〓He碎片的双微分截面和角分布。

The composites were characterized by transmission electron microscopy, dynamic light scattering, differential scanning calorimeter, Fourier transform infrared and X-ray diffraction.

用两步水热法以钛酸丁酯和硅酸乙酯为原料制备了具有高光催化活性的高温稳定的TiO2-SiO2复合纳米粉体。

The deflection angle between diffraction light and incident light is a very important physical quantity.

而衍射光相对入射光的偏转角是一个很重要的物理量。

In this paper, residual stress was measured with different diffraction angle, then the errors and caused reasons were analyzed by contrasting the resting results.

采用不同的衍射角对微晶玻璃的应力进行测试，对应力结果进行了比较，分析了应力产生误差的原因。

It inculcates justification before God on the ground of human merits.

它说明在上帝灌输在地上人类优点。

TH Leaguer has excellent Quality Control and Management System.

本公司具有完善的品管部门。