查询词典 diffraction

Ray diffraction analysis displays that Major phases present in the sintered bodies were the BaTiO3 compounds with a perovskite structure and the BaBiO3 compounds with a monoclinal structure.

射线衍射分析表明烧结体中的相由钙钛矿结构的Ba- TiO3和单斜结构的BaBiO3组成。利用扫描电镜分析了样品的断面形貌，能谱确定了样品中相的分布规律。

Radar cross section; equivalent edge current; multiple diffraction ; ray tracing

雷达散射截面；等效边缘电磁流；多次绕射；射线追踪

The temporal change in floes size of fine suspended sediments was measured in Xuliujin of the Changjiang Estuary in June of 2003, by using an in situ laser diffraction particle sizer, the laser in situ scattering and transmissomerty-100(LISST-100). The spectrum analysis was applied to analyze the fluctuation of floes diameter during the spring tide and the neap tide.

2003年6月利用现场激光粒度仪(LISST-100)在不扰动的情况下，获取了长江口徐六泾处悬浮细颗粒泥沙絮凝体的现场粒径系列资料，应用谱分析方法研究了絮凝体粒径在大小潮、表底层的变化规律。

The X_ray diffraction patterns of the samples show that the relative intensity of (110) peak increases with increasing pressure, which implies that pressure has the orientation effect on the CrO_2 needle-shaped nanoparticles.

样品的X射线衍射结果表明(110)峰的相对强度随压力的增加而增大，说明压力对CrO2针状纳米颗粒有取向的作用。低温时CrO2样品的电阻和磁阻均随压力的增加而减少。

Most importantly, with analyzing the calcined cinder by X-ray powder diffraction and scanning electron microscope, it was clear that at an appropriate calcination temperature, the activated SiO2 and Al2O3 in alkaline coal-cinder would react with the decomposed fused Na2CO3 to form a new neutral matter nepheline（NaAlSiO4）and other amorphous silicate compounds,causing an obvious reduction of the alkali content in coal-cinder.

采用X射线粉晶衍射及扫描电镜对煅烧后的灰渣进行表征，揭示了含碱灰渣煅烧脱碱过程的实质，即在适宜煅烧温度下，含碱灰渣中被活化的主要矿物质SiO2、Al2O3和熔融并分解的Na2CO3（分解为修饰网络氧化物Na2O）等发生化学反应转变为中性物质霞石（NaAlSiO4）及其他无定形复合硅酸盐，从而降低了灰渣中的碱含量。

The numerical simulation of the detection signal was implemented with the theory of diffraction optics, and the numerical simulation of the wavefront reconstruction was realized with Green function algorithm under Neumann boundary conditions.

根据衍射光学理论，对其探测信号进行数值模拟，并利用Neumann边界条件的Green函数法对其波前重构进行数值模拟。

The formation of NiSi is demonstrated by X-ray diffraction and Raman scattering spectroscopy.

还研究了硅衬底掺杂和退火过程对NiSi/Si界面的影响。

The analysis of X—ray diffraction and scanning electronic microscope indicate that the arsenic powder obtained by this method is noncrystalline i.

本文提出了一种新方法，即在还原砷粉末的酸洗溶液中加入一种还原剂，防止形成β—锡酸，提高了砷粉末的除锡洗涤效果，获得的砷粉末纯度达99.2％。

Also, since this study was conducted in low temperature environment, the results of X-ray diffraction analysis showed that the sputtered film was noncrystalline, though with inferior photoelectric characteristics to crystalline, it is more efficient in the etching processing.

另外，由於本研究背景是在低温环境下，因此经X-ray绕射分析结果显示，在此制程条件下溅镀出之薄膜为非晶相，虽光电特性会较结晶相差，但在后续蚀刻处理时效果较结晶薄膜快。

They use X-ray diffraction to determine the structures of proteins and nucleic acids.

他们应用X-射线衍射确定蛋白质和核酸的结构。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。