查询词典 diffraction

In this paper,the diffraction and the interference of electrons from a double slit and a multi-slit have been analyzed by quantum theory, and the results are in keeping with light s.

运用量子理论分析了电子双缝、多缝的衍射、干涉，与光的双缝、多缝的衍射、干涉完全一致。

The three-dimensional supper resolution properties of a doublet are analyzed by the scalar theory of diffraction.

应用标量衍射理论分析了双胶合透镜的三维超分辨成像特性。

The film used to produce the full color article dry plate silver with high sensitivity, high resolution, high diffraction efficiency, a further study of panchromatic panchromatic silver recording materials and recording media has an important significance.

采用此片文章制作出的全色银盐干板具有灵敏度高、分辨率高、衍射效率高等优点，对进一步研究全色银盐记录材料和全色记录介质有着重要的意义。

Topics covered include: waves in media, equivalence principle, duality and complementarity, Huygens' principle, Fresnel and Fraunhofer diffraction, dyadic Green's functions, Lorentz transformation, and Maxwell-Minkowski theory.

它包含以下的主题：介质内的波、等效原理、对偶性质和互补性质、惠更斯原理、菲涅耳绕射与夫琅和费绕射、双重格林函数、洛伦兹变换以及马克斯威-明可斯基(Maxwell-Minkowski)理论。

The diffraction potential functions are obtained by using the eigenfunction expansion method, and expressions for reflection and transmission coefficients are defined.

首先利用特征函数展开法导出了绕射势函数的分析解并进一步得到透反射系数的计算公式，然后利用边界元方法验证了解析解。

Keywords Ni base single-crystal superalloy;X-ray diffraction;stress;elastic constant;four point bending test

镍基单晶高温合金； X射线衍射；应力；弹性常数；四点弯曲

Thus, two kinds of intensity oscillations with phase difference of 180°can take place corresponding to the specular elastic diffraction and diffuse scattering.

因此在不同的观测条件下可出现二种相位差180°的强度振荡情形：镜向弹性衍射束强度振荡和漫散射束强度振荡。

Chapter 2 is started from the basic theory of elastodynamics, the zero and the first order reflection and transmission coefficients of rough interface are derived in theory, and some numerical examples are given. Also dispersion characters of diffraction waves are discussed in the case of micro-rough interface in deep layers.

第二章从弹性动力学的基本理论出发，通过求解波动方程的定解问题，从理论上导出了地震波在粗糙界面上的零阶和一阶反射透射系数，并给出了数值算例；该章还讨论了深层微粗糙界面的绕射波的频散特征。

The effect of current density on the composition, structure and morphology of Ni-W alloy electrodeposit obtained in pyrophosphate bath were studied by the methods of spectrophotometry, X-ray diffraction and metallurgical microscope.

采用分光光度法、X射线衍射和金相显微镜等方法研究在焦磷酸盐体系中，电流密度影响下所获得的Ni-W合金电沉积层的组成、结构和表面形态。

It was carried out successfully to microarc electrodeposit ceramic coatings on the anode and cathode of AZ91D magnesium cast alloy with AC pulse method. The thicknesses, morphologies, composition and micro-structures of the coatings were studied by scanning electron microscopy and X ray diffraction.

利用交流脉冲方法在AZ91D铸造镁合金表面成功实现阴、阳极微弧电沉积陶瓷膜，并使用SEM和xRD等手段对陶瓷膜的厚度、组织形貌、成分、结构和耐蚀性作了相应研究分析。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。