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氢是自然界中最轻元素。Hydrogen is the lightest element in nature.

此仪器可用于气体分析以及轻元素的同位素丰度测定。This instrument can be used for gas analysis and determine of isotopic abundance of light elements.

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氮化碳和轻元素B、C、N及其化合物组成的新一族材料巴成为凝聚态物理和材料科学领域中新的研究热点。The new series of B-C-N materials consisting of B, C and N and their compounds is a new study field.

方法简单、快速且灵敏度高，是鉴定硅材料中轻元素含量的一个好方法。This method is simple, rapid and sensitive for estimating light element content in silicon material.

完成了轻元素定量电子探针分析的修正程序。The correction programs for light elements quantitative electron-probe microanalysis have been performed.

基于轻元素化合物的多电子反应有望实现二次电池能量密度的跨越式提升。The multi-electron reactions based on lightweight elements are a promising way for super-high energy density.

利用Q3D磁谱仪系统，对C和H等轻元素的分析得到纳米级的深度分辨谱。A nanometer depth resolution was achieved for light elements such as C and H with the Q3D spectrometer system.

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超新星通过真实的炼金术形成了化学元素，使一种元素轻元素转变为重元素。The supernova make the chemical elements through real alchemy, transforming one element, the light elements into the heavy ones.

地核主要由铁和镍构成，也有可能存在少量的硫和氧一类的轻元素。The Earth's core consists mostly of iron and nickel and potentially smaller amounts of lighter elements such as sulfur and oxygen.

因为恒星核心的轻元素，比如氢燃料，反应产生光子，这些光子向外喷射，将抵消重力。As light elements such as hydrogen fuse in a star's core, the reactions generate photons that press outward, counteracting the pull of gravity.

科学家们相信，这将会导致那些易挥发的轻元素首先剥离，剩下相对高密度的行星。This, scientists had reasoned, would make those volatile lighter elements the first to get stripped away, leaving the planet comparatively dense.

以及轻元素测定、微束和薄层分析等数据处理技术。In addition, special attention is also paid to the development of microbeam X_ray fluorescence, coating and thin films, and light element analysis.

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碳、硼、氮及氧等元素在电子探针分析中常称之为超轻元素。这些元素的定量分析还存在许多包括测量和定量修正方面的困难。As we know that the element B, C, N, ando are so called ultralight element in EPMA, and great difficulties were encountered in the determination of these elements.

在1970年代，企图使用宇宙射线散裂产生氘，这些企图都失败了，但却意外的产生了其他的轻元素。During the 1970s, attempts were made to use cosmic ray spallation to produce deuterium. These attempts failed to produce deuterium, but did unexpectedly produce other light elements.

来自太阳的太阳风以其强大的力量吹走了内行星上的氢和氦一类的轻元素，只留下了更小的石质星球。The solar wind from the sun was so powerful that it swept away most of the lighter elements, such as hydrogen and helium, from the innermost planets, leaving behind mostly small, rocky worlds.