射线能量

X射线能量色散谱表征纳米多层膜的调制结构

Characterization of Modulation Structure of Nano - Multilayers with Energy Dispersive X-ray

本文研究的是工业CT中的X射线能量谱恢复问题。

This paper presents a procedure for estimating the x-ray spectrum of industrial CT system .

能够有效地恢复出X射线能量谱，能够为射线硬化校正奠定基础。

The study of x-ray spectrum will lead to the development of beam hardening correction algorithms .

用于测量软X射线能量角分布的多路纳秒门控积分器

Multi channel gated integrator in the measurement of the energy angular distribution of the soft X ray

这显示在二进制活动星系核的定位在高X射线能量高清晰度观测至关重要。

This highlights the critical importance of high-resolution observations at high X-ray energies in locating binary AGN .

Ge（Li）探测器γ射线能量测量中心的几何效应

The Geometry Effect in Measurement of Gamma-Ray Energy with Ge ( Li ) Detector

理论分析表明，辐射出的x射线能量可以超过，也可能小于其等离子体最大动能。

Numerical analysis indicates that the x ray radiation energy can be larger or smaller than the maximal plasma kinetic energy .

衍射增强成像的若干基础问题研究Ⅰ衍射增强成像的衬度与X射线能量的关系

Studies on some basic problems about diffraction enhanced imaging ⅰ . Relation between the contrast of imaging and the energy of X-rays

X射线能量色散谱（EDS）分析方法在材料领域得到了广泛的应用。

The application of X-ray energy dispersive spectroscopy ( EDS ) is widespread in materials research .

X射线能量色散谱仪分析和比较表明真空保护球磨粉末中引入的O和Fe杂质较少。

Energy Dispersive Analysis of X-rays reveals that milling under vacuum introduces less O and Fe contaminants into the Mg alloy powders .

同步辐射X射线能量色散法对于解决微细矿物及包裹体矿物的晶体结构具有巨大的优势和潜力。

The synchrotron-based energy-dispersive X-ray diffraction method has great advantage and potential for diagnosing the crystal structure of tiny minerals and mineral inclusions .

稀土元素Ac，Th，Pa和U原子的单电子能量本征值以及X射线能量的相对论计算

Relativistic calculations of single-electron energy eigenvalues and X-ray energies of rare earth elements Ac , Th , Pa and U

同时用红外差示光谱、显微红外反射光谱、扫描电镜（SEM）、X射线能量散射谱（EDX）和分析铁谱研究了其抗磨作用机理。

Their action mechanism are researched by FTIR , reflection micro-FTIR , ferrography , SEM and EDX .

为了对样品中的各种元素进行测量，往往需要用多种靶，通过更换不同的靶物质，改变激发源的X射线能量，使之与目标元素的吸收限相近。

To measure diversified elements in sample , it need diversified target to change X-ray energy of source , make it approach element detection .

因此，该方案并不适合X射线能量较高的场合，如工业无损检测中使用的影像增强器。

So , this method is not suitable for cases involving the use of high energy X-rays , such as non-destructive detection in industry .

利用化学分析和X射线能量色散谱等方法，对换热器盘管孔蚀的原因进行了分析。

An analysis of the cause of pitting corrosion failure of heat exchange coil is made by means of X-ray energy spectrometer in this paper .

选区电子衍射（SAD）和X射线能量色散谱（EDAX）分析证实，壳-芯结构是由晶粒中含杂质Si的分布不均匀引起。

SED and EDAX results show that the shell-core structure may be caused by the nonuniform distribution of silicon impurities in grains .

利用JEM2002透射电子显微镜（TEM）及其主要附件X射线能量散射谱仪（EDXA），对半绝缘砷化镓（SIGaAs）单晶中微缺陷进行了研究。

Microdefects in SI-GaAs single crystal were researched via transmission electron microscope ( TEM ) and energy dispersion X-ray analysis ( EDXA ) .

按此结果制成的靶式源，通过更换靶材可以相当自由地选取X射线能量。该源可广泛用于核仪表和其他场合，弥补了现有同位素源能量不足的缺陷。

The X-ray source based on these results can produce different energy X-rays , and so can be broadly used on nuclear instruments and other fields , as a low energy source .

利用傅立叶红外（FTIR）、透射电镜（TEM）和X射线能量色散谱仪（EDS）研究了杂化溶胶形成过程中的络合机理及溶胶形态。

Moreover the mechanism of the complexing reaction was also investigated by Fourier transform infrared spectrometer ( FTIR ) in the preparation process of the hybrid sol .

光子放大的DR系统（如图像增强器DR系统）实时性好，但适应的射线能量低，检测灵敏度相对较低；

The DR system with photon amplification such as the DR system with intensifier can get real-time imaging , but it fits for lower energy and its inspection sensitivity is lower .

采用X射线能量分散谱仪（EDS）成分分析方法对不同调制周期和调制比的W/Mo纳米多层膜进行表征，并与透射电子显微分析（TEM）和X射线衍射分析（XRD）方法进行了比较。

The nano ? multilayers of W / Mo with different modulation periods and ratios are characterized by EDS composition analysis and the results are compared with ones by TEM and XRD analysis .

X射线能量散射谱对复合膜厚度方向上聚硫橡胶的分布分析表明，氧化复合初期，复合膜中聚硫橡胶含量逐步增大，随后保持稳定。

The study of X-ray energy dispersive spectrometer for sulfur element dispersion of film thickness direction pointed out that thiokol rubber content increased step by step at the beginning of polymerization , and then it maintained a level .

内部的石棉纤维及其外部的碳管均经过X射线能量损失谱（EDX）的成份分析及选区电子衍射（SAED）的结构分析加以证实。

Energy-dispersive X-ray spectroscopy ( EDX ) and selected-area electron diffraction ( SAED ) analyses pro-vide definite evidences for asbestos fibres encapsulated by carbon tubes .

利用X射线能量散射谱（EDS）分析了交替电解处理后炭纤维的元素组成；采用X射线衍射和拉曼光谱对炭纤维的石墨化进行了表征。

Element distribution of PAN-based carbon fibers after alternate DC electrolysis was characterized by energy dispersive X-ray spectroscopy . The catalytic graphitization of PAN-based carbon fibers was investigated by X-ray diffraction and Raman spectroscopy .

HPGeγ谱仪体源探测效率与射线能量和体源密度的关系

Relationship of the HPGe γ - spectrometer detection efficiency of body source with radial energy and density of body source

研制了满足ICF诊断中软X射线能量测量精度要求的具有限定时间积分功能的门控积分器。

In order to satisfy the requirement of the soft X ray energy measurement , a gated integrator which integrates the output current to X ray detectors in a limited time has been developed .

它具有电阻率高、暗电流低、热稳定性好、带隙宽且可调、探测射线能量分辨率较高等诸多优异的性能，适用于制作X射线和γ射线探测器。

It can be used to fabricate X-ray and γ - ray detectors because of its high resistivity , low dark current , good thermal stability , wide and adjustable band gap , high energy resolution of the detecting ray , etc.

采用FTIR光谱、元素分析、扫描电镜以及X射线能量色散谱仪等现代分析测试手段对改性沸石进行了表征。

The modified zeolites were characterized with the modern analytical techniques such as fourier transform infrared spectroscopy ( FTIR ), elemental analysis , scanning electronic microscope ( SEM ), and Energy dispersive X-ray spectrometry ( EDS ) etc. .

通过仿真实验分析了在常用电压下模体材质和厚度对求解X射线能量谱的影响，给出了选择楔体材料、长度、厚度的参考范围。

Through simulation experiment , we analyze the effect of the material and thickness of the inspected object at the common voltage on X-ray energy spectrum , and then suggest reference choices on the material , width and length of the phantoms .