然而一般的X射线仪采集到的图像都存在几何畸变，引起分析过程中的误差，因此有必要对从X射线仪获取的图像进行几何校正。
So it is necessary to correct such images. In this paper I consider the causes of the geometric distortion in X-ray images, and apply the camera calibration into the X-ray image correction.
美国国家航空航天局(NASA)的Terra(土地)卫星上的高级太空热能发射、反射射线仪(ASTER)于2007年10月10日获得了一张Chiyli陨石坑的伪色彩图像。
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's Terra satellite captured this false-color image of Chiyli Crater on October 10, 2007.
可以使用双能X 射线吸收仪测量下颌角和股骨区的骨密度。
The bone density of the mandibular angle and coxofemoral region can be measured with dual-energy X-ray absorptiometer.
于是他反向推算了一下扫描仪生成符合机场安检要求的图像所需的X射线剂量。
He calculated backward to figure out how big an X-ray dose would be needed to get the kind of images the machines produce.
为找出原因，研究人员用精密X射线分析仪测定了变成褐色颜料的精确化学成分。
To find out why, researchers used sophisticated X-ray analyses to determine the exact chemical composition of the paint as it browns.
扫描机，所谓的“反射散射扫描仪”，发射出的电离辐射剂量相当于牙科辐射X射线的1%或更少。
The scanning machines, called "backscatter scanners," deliver a dose of ionizing radiation equivalent to 1 percent or less of the radiation in a dental X-ray.
另一头连接放射线治疗仪，通过管子直接对直肠内的癌组织施用放射线。
The other end is then attached to a radiotherapy machine and radiation is administered, through the tube, directly into the cancer tissue in the rectum.
“从这点上说，水星巨大核心的起源仍然是一个谜，”华盛顿·卡内基研究所的天体化学家，X射线光谱仪研究的领军人物Larry Nittler如是说。
"At this point, the origin of Mercury's large core is still a mystery," said Larry Nittler, a cosmochemist at the Carnegie Institution of Washington who led the X-ray spectrometer study.
钱德勒射线探测仪的探测结果表明，ngc6240的确是两个从3000万年前开始合并的星系构成的。
The Chandra X-ray Observatory observations show that NGC 6240 is actually two galaxies that started joining forces about 30 million years ago.
来自加拿大的科学家们使用了X射线光谱仪对崭新的汞合金填充物和那些用了20年的填充物进行了比对。
Canadian scientists used X-ray spectroscopy to compare new mercury amalgams to those about 20 years old.
扫描电子显微镜能利用x射线谱仪的附件来提供化学组份的信息。
The scanning electron microscope provides information on chemical composition by use of X-ray spectrometer attachments.
本文还利用X -射线衍射仪，透射电镜等测试手段，探讨了有机、无机稀释剂对含蒙脱石瓷砂泥浆的稀释机理。
The diluting mechanism of organic and inorganic diluents for porcelain clay containing montmorillonite slip have been explored by X-Ray Diffractometer and Transmission Electron Microscope.
利用显微硬度计、金相显微镜和X射线衍射仪测定了渗氮层的硬度梯度、层深、显微组织和相组成。
The hardness gradient, depth, microstructure and phases of nitrided layers were measured with Microhardness Apparatus, Microcopy and X-ray diffractometer.
磁共振成像仪比X射线更安全一些，但是病人们不喜欢它在扫描过程中发出的嗡嗡的噪音。
MRI scans are considered safer than X-rays but are disliked by patients to the loud buzzing noise made by the scanner as it processes images.
探测效率是X射线光电子能谱仪一个很重要的仪器参数。
Detective efficiency is an important instrumental parameter of X ray photoelectron spectrometer.
本文叙述了使用X射线衍射仪法测量宏观应力的原理。
The Principle of X-ray diffractometer method of macrostress measurement is described in this Paper.
本文提出了采用偏光显微镜和X射线衍射仪联合方法鉴定自行车闸皮中低含量的温石棉、铁石棉及青石棉等三种石棉的方法。
A method of identification for low content chrysotile, crocidolite and amosite in brake rubber of bicycle by the united way of polarized light microscope and X-ray diffraction had been established.
利用金相显微镜、X射线衍射仪、电子探针及滑动磨损试验机，研究了合金熔覆层的显微组织及性能。
The microstructure and properties of the composite coatings were investigated by optical microscopy, X-ray diffractometer, electron probe microanalyzer and a skimming wear machine.
利用光学显微镜、扫描电镜、显微硬度计及X射线衍射仪分析了高氮奥氏体的等温分解过程。
Employed by optical microscope, scanning electron microscope, microhardness tester and X ray diffraction instrument, the isothermal decomposition process of high nitrogen austenite was investigated.
用X-射线衍射仪研究了蒙脱土在聚丙烯中的插层情况；
The intercalation of montmorillonite in the PP matrix was examined by X- ray diffraction method.
采用X-射线衍射仪对颗粒态抗性淀粉的结晶性质进行了研究。
The crystalline property of granular resistant starch(RS) was studied by X-ray diffractometer.
介绍了岛津vd_1a型X射线衍射仪冷却循环水系统的故障分析及排除方法。
Analysis and removal of the troubles in cooling water system of VD_1A X_ray diffractometer were introduced in this paper with an example demonstration.
通过透射电镜(tem)和x -射线衍射仪(XRD)对所得片状银粉产物进行了表征。
The product of FSP is characterized by transmission electron microscopy (TEM) and X-ray powder diffractometer (XRD).
文章介绍了一种新型X射线荧光测井仪的硬件与软件。
This paper describes the hardware and software of a new X ray fluorescence logging instrument.
介绍了X射线衍射仪在江苏油田石油地质、石油工程的应用以及对石油勘探和开发的地质意义。
This paper introduces X-ray diffractometer application of petroleum geology and petroleum project in Jiangsu oilfield, and geological meaning of petroleum exploration and production.
采用X-射线衍射仪、透射电镜研究了可锻铸铁白口组织中硅对共晶渗碳体点阵参数、晶胞体积及晶体缺陷的影响。
The effect of Si on the crystal lattice parameters, lattice volume and crystal defects of the eutectic cementite in malleable cast iron has been studied by using X ray diffractometer and TEM.
用X射线双晶衍射仪测量了阴极和玻璃热粘结工艺过程中阴极材料外延层和衬底的双晶回摆曲线。
Some double crystal rocking curves of photocathode epitaxy materials and substrates are measured by means of X-ray double crystal diffraction in the bonding process.
本文介绍了应用X射线衍射仪测定矿山呼吸性粉尘中游离二氧化硅含量的基本原理、实验条件以及操作过程、方法步骤等。
Basic principle, experiment condition, operating process, method and steps of X-ray diffraction method to determine free silica content of respirable dust in mines are introduced in this paper.
利用光学显微镜、扫描电镜和X射线衍射仪研究了几种不同状态硅砖的晶体形貌和晶格常数。
The crystalline morphology and lattice constants of silica bricks in several status were investigated by the optic microscope, scanning electron microscope and X-ray diffraction.
利用光学显微镜、扫描电镜和X射线衍射仪研究了几种不同状态硅砖的晶体形貌和晶格常数。
The crystalline morphology and lattice constants of silica bricks in several status were investigated by the optic microscope, scanning electron microscope and X-ray diffraction.
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