A newly-developed microdistribution analysis method for trace elements——synchrotron radiation X-ray fluorescence analysis is introduced.

本文介绍新型的微量元素微区分析方法——同步辐射X射线荧分析法。

X-ray diffraction was used to study the variation of Microfibril Angle (MFA) in moso bamboo.

摘要应用X射线衍射技术对毛竹微纤丝角的变异规律系统的研究。

The site was found to be contaminated by radioactivity.

发现此地受放射线污染。

Methods Transmission electron microscope equipped with an X-ray microanalyzer was used.

方法应用透射电镜并结合X射线显微分析法。

Madam Curie insisted (that) there was something in nature that gave out radiation.

居里夫人坚信自然界存在着能发出射线的物质。

Radiation has a strong effect on the heredity of fruit flies.

射线对于果蝇的遗传产生强烈的作用。

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓部发达，髓射线明显。

It is discovered that the scattering increases as the micro-roughness increases or autocovariance width decreases.

随著粗糙度的增加、自相关长度的减小，软X射线掠入射学散射越来越严重。

Cathodoluminescence (CL) spectra show a strong band-edge emission around the V-shape pits.

阴极射线的萤谱显示很强的能隙发强度在V形凹洞的边缘发生。

In 1895, Wilhelm Roentgen accidentally discovered that a cathode-ray tube could make a sheet of paper coated with barium platinocyanide glow, even when the tube and the paper were in separate rooms.

1895年，威廉·伦琴偶然发现阴极射线管能使涂有层氰亚铂酸盐钡的薄相纸发，甚至当阴极射线管和相纸分别放在不同的房间时也能发。

Has the cathoderay tube (teletron) the equipment, in one starting time, the developing surface will attract the plastic, the grass, the dust, the thin metal and so on any material.

具有阴极射线管（显像管）的设备，在开机时刻，显像面会吸引塑料、草、粉尘、细金属等任物质。

Ground meristem The central region of the apical meristem from which the ground tissues of pith, cortex, medullary rays, and mesophyll differentiate. In root meristem it is also called periblem.

位于顶端分生组织的中部，髓、皮层、髓射线以及叶肉这些基本组织均是由基本分生组织分化而成。根部分生组织也称为皮层原。

Using the characteristic of refractive index are smaller than 1 in the reststrahlen band,we can produce photonic crystal having forbidden band in the middle infrared and far infrared.

由此可知利用材料在剩余射线带内折射率小于1的特性，我们可以制备出中红外区和远红外区存在禁带的子晶体。

The properties of polytrifluorochloroethylene foils are found to change, when they are irradiated by X-rays.Experiments shows that irradiation will affect the charge storage in the sample.

测量聚三氟氯乙烯薄膜受X射线辐照后电荷贮存能力发生的变化，推导辐照样品表面电位变化的公式。

X-ray images were formed and shown in colors or in 3 dimensions, and have no distortion at low magnification.Hidden zonate phenomena of a picrite were found.

用伪彩色、三维视图和内插放大方式显示图像，解决低倍X射线像失真问题，观察到辉石的隐环带现象。

Methods X-ray dental film and panoramic pantomogram were used to determine the location of embedded supernumerary teeth on bases of the geometrical principle of X-xay photography.

方法通过拍摄X线牙片及全景片,结合临床检查,利用X射线照相中的几学原理确定多生牙的位置,以确定手术入路,然后拔除。

The crystal structure has been determined by X ray single crystal diffraction, showing a distorted trigonal bipyramidal configuration with five coordination for the central tin atom.

通过元素分析、红外谱和氢核磁共振谱对其结构表征。用X-射线单晶衍射测定该化合物的晶体结构。

The compositions of phyllosilicate and iron oxides for several main types of soils and their corresponding iron-manganese nodules were studied by the means of XRD.

以我国几常见土壤及相应土壤铁锰结核为试验材料，应用X-射线衍射，研究土壤和铁锰结核中层状硅酸盐和氧化铁的类型组合。

The crystal structure was studied by means of X-ray diffraction,magnetic disaccommodation measurements were carry out with a computer aided system based on a LCR bridge.

用X射线衍射仪对粉末样品的结构观测,磁导率减落测量用计算机辅助系统的阻抗自动测量仪(LCR电桥)来完成。

The changing of the structure and properties of UHMWPE fibres during super drawing were studied by means of SEM, DSC, WAXD and sound pulsimeter.

还借助扫描电子显微镜（SEM）、热分析（DSC）、广角X射线衍射（WAXD）、声速等手段研究UHMWPE熔纺丝在超拉伸过程中结构性能的变化。