当射线轰击化石时，反弹回的信号的强度取决于每一个分子的形状和大小，以及它所处的化学环境造成的细微影响。
When the rays hit the fossil, the signal that bounces back depends on the shape and size of each molecule, and how it is being subtly influenced by the chemicals surrounding it.
另一台设备，探测中子与不同化学分子碰撞后产生的不同伽马射线。
The other device can detect the distinctive gamma rays produced by collisions of neutrons with the atoms of different chemical elements.
“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.
X射线就像探针一样，可以检测到组成化石的单一化学成分。
The X-rays acted as probes, detecting the individual chemical building blocks that make up the fossil.
射频波就是电磁场，但是与X射线或伽玛射线辐射等电离辐射不同的是，射频波不会打破化学键，也不会给人体造成电离辐射伤害。
Radiofrequency waves are electromagnetic fields, and unlike ionizing radiation such as X-rays or gamma rays, cannot break chemical bonds nor cause ionization in the human body.
化学家弗兰克林却什么也得不到，虽然她拍摄的X射线衍射照片显示出DNA分子的实质结构，并为这个三人组的工作铺平道路。
Rosalind Franklin, a chemist whose X-ray diffusion photographs of DNA molecules showed their essential structure and paved the way for the trio's work, received nothing.
X射线吸收光谱的峰值能显示出目标物质的化学键的确切性质，从而显示其组织结构。
The peaks in the X-ray absorptionspectrum can shed light on the precise nature of the target substance'schemical bonds, and hence on its structure.
引发癌症的原因多种多样，包括放射线辐射、化学物刺激以及病毒感染等，不同个体对诱发癌症的外因有不同程度的抵制能力。
There are many different causes, ranging from radiation to chemicals to viruses; an individual has varying degrees of control over exposure to cancer-causing agents.
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.
这种现象引起了人们很大的惊讶，因为当时每个人都会认为影像(或X -射线)是由在阳光的触媒下的某种化学反应所产生。
This was a great surprise because everyone thought that the shadow (or X-ray) had been created by a chemical reaction with sunlight.
这种改进的技术包括下列三个步骤：利用增强的X射线显示出藏匿的物品、利用传感技术搜寻危险化学品，并利用无线射频技术识别液态和固态物质。
There are three main approaches: enhanced x-rays to spot hidden objects, sensor technology to sniff dangerous chemicals, and radio frequencies that can identify liquids and solids.
射线光电子能谱是鉴定这类复杂氧化物膜中元素的化学态及膜组成的有效工具。
X-ray photoelectron spectroscopy proves a very effective mean in identifying the film composition and the chemical states of the elements in the complicated oxide film.
而该新方法使用了“微x射线束荧光技术”，可以探测到指纹携带的化学成分，却不会指纹的保存状态。
The new method USES a technology called mini-X-ray fluorescence to detect chemical elements in fingerprints without altering them.
与化学品，黑暗的房间存储和组织他们的工作人员，你可以自己一个CR相同的每月费用，而环保意识，取决于射线操作的大小。
With Chemicals, dark room storage and staff to organize them, you could own a CR for the same monthly cost while being environmentally conscious, depending upon the size of the Radiographic Operation.
测定了九龙高岭土的可塑性、化学组成、粒度及其分布、白度等，并且做了X—射线和透射电子显微镜分析。
The plasticity, chemical composition, particle size and its distribution, whiteness and so on of jiulong kaolin were measured and analyzed by X-ray and TEM.
该技术是通过放射线照射或者使用化学方法使基因变异。
The technique has been to mutate the genes by irradiation or chemicals.
利用X射线衍射(XRD)和俄歇电子衍射(AES)观察了表面膜的化学成分及结构。
The structure and chemical compositions of the surface oxide film were investigated by XRD and Auger electron spectrometry (AES).
根据X射线和化学分析结果，全面分析了混凝土中钢筋锈蚀的机理。
According to X ray and chemical analysis, the mechanism of reinforcement rust in concrete is analysed.
借助于化学分析、X射线衍射分析、工艺性能试验等方法，对粉石英的化学成分、矿物成分、工艺物理性质进行了研究。
The paper studies the chemical and mineralogical compositions, the technological and physical properties of tripoli by means of chemical analysis. X - ray diffraction and technological test.
采用宏观检查、扫描电镜、X射线能谱、金相分析及化学分析等方法，对金属波纹膨胀节开裂的原因进行了分析。
By using visual examination, scanning electronic microscope, X-ray energy spectrum and metallurgy and chemical analysis, the cause of crack occurred in bellow expansion joint was analyzed.
采用电化学及X射线衍射法研究了硫脲在铜电极表面的吸附作用及其对铜沉积织构的影响。
Adsorption of thiourea on the copper electrode surface and the effects of thiourea on the cathode electrodeposition were studied by electrochemical method and X ray diffraction.
通过光学显微分析、X射线衍射分析、物理化学性能测试等手段确定了微晶玻璃的物相组成及性能特征。
The phase compositions and characteristics of glass-ceramics products were determined by the comprehensive methods such as optical microscopy, X-ray diffraction, physical and chemical properties test.
应用X射线衍射和化学分析等手段研究了红壤、砖红壤和黄棕壤中氧化铁类型及其与磷吸附和解吸的关系。
The types of Fe oxides and their relation to phosphate adsorption or desorption on clay fractions were investigated by means of XRD and chemical analysis methods.
应用X射线衍射和化学分析等手段研究了红壤、砖红壤和黄棕壤中氧化铁类型及其与磷吸附和解吸的关系。
The types of Fe oxides and their relation to phosphate adsorption or desorption on clay fractions were investigated by means of XRD and chemical analysis methods.
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