查询词典 diffraction

The thesis designs the OFET based anthacene from materials characteristic, technics flow, device structure and materials selecting. It researches the technics and characteristic of anthacene film by scan electronic microscope、atom force microscope、X ray diffraction、photomicroscope, et al.

从材料特性，工艺流程设计、器件结构设计、材料选取等方面，设计制备了基于并三苯的有机场效应晶体管，采用扫描电子显微镜、原子力显微镜、X射线衍射分析仪、光学显微照相等手段研究了并三苯材料应用于OFET中各种成膜工艺及特性。

Geometry optics,physical theory of diffraction and graphic hardware.

几何光学寻迹方法和物理绕射方法的基础上，结合图形硬件对估算进行了加速，实现了对于复杂目标模型的一次

[Cu2(H2O)4]2 was prepared by the reaction of aqueous 1,2,4-triazol-5-one solution with the solution of copper picrate Cu2 and characterized by elemental analysis, FT IR and X-ray powder diffraction analysis.

本文通过1，2，4-三唑-5-酮水溶液与苦味酸铜水溶液反应，制备了[Cu2(H2O)4]2，用元素分析、傅立叶变换红外光谱分析、X-射线粉末衍射分析对其结构进行了表征。

The iron nanoparticles in inner core have good magnetism and targeting heating effect. The temperature can go up to 52 ℃ in the case that 0.1 g carrier (carbon-coated iron nanoparticles) is injected in a local point of pig's liver,while the temperature can go up to 42℃ in the case that pig's liver uniformly containing carrier of 0.4 wt.% and 45℃ in the case that pig's liver uniformly containing carrier of 0.6 wt.%. Carbon-coated iron nanoparticles also has good antioxidation and stability by an X-rays diffraction structural analysis.

铁纳米粒子磁场强，靶向效果好，有较佳的磁靶向发热效应，在动物病灶局部放置0.1 g碳包铁纳米粒子将能使发热温度平均升到52℃；而将碳包铁纳米粒子均匀与猪肝混合也有明显的产热效果：含量0.4%碳包铁纳米粒子的一组猪肝能将温度升到42℃，而含量0.6%碳包铁纳米粒子的一组猪肝能将温度升到48℃。X射线衍射表明借助于碳的包裹，碳包铁纳米粒子有好的抗氧化性和稳定性。

The angle distribution and plane distribution of the diffraction tomography with ultrashort pulse incident wave was simulated.

模拟计算了超短脉冲波场入射下其衍射层析的角分布与面分布。

Physical idea of the vector method is clear, stable and convergent. The diffraction problem of plane wave with polarization incident upon 2-D sub-wavelength metal gratings can be processed.

这种矢量模式方法物理概念清晰且稳定收敛，可以处理任意偏振态平面波入射到二维亚波长金属光栅中的衍射问题。

Based on the three- dimensional coupled wave theory, the theory of diffraction of local volume holographic grating s recorded with arbitrary polarization plane waves is studied.

基于三维耦合波理论，研究了两束有限宽度的任意偏振平面波干涉产生的局域体全息光栅的衍射问题。

Using two symmetrical plano-convex lens system to fabricate grating was analyzed and the characteristic of diffraction wavefront aberration of the grating was summarized by ray tracing program using MATLAB siftware.

分析使用两个对称的单平凸透镜光路制作光栅并用MATLAB编写光线追迹程序分析了所制作的光栅的衍射波像差的特点，经计算得出在较小焦比D/F情况下其衍射波像差仅与两支光路点光源的调节偏差之差有关与单独的各个偏差无关；初级像差中球差很小几乎可忽略：彗差仅与垂轴调节偏差之差成线性关系；像散仅与轴向调节偏差之差成正比；且当平凸透镜的焦比D/F增大时，各像差项迅速增大。

Performance of Ni plating in composite solution was studied by means of X-ray diffraction and micro hardness test.

结果表明，适量的稀土能大大提高镀液的稳定性及沉积速度。

The relation between the ultrasonic frequency f and the wavelength λ0 was deduced. The relations between the diffraction angle θd,the acoustic polar angle θa and the incident angle θi were calculated.

推导出超声波频率f和光波波长λ0的调谐关系；计算出滤波器的光谱分辨率R和集光能力δθi；光入射角θi与衍射角θd、声入射角θa之间的关系。

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。