利用同位素对矿物质zh锶(这种矿物由人体从植物中吸收)的对比发现,他应该在地中海地区出生并长大。
And an isotopic comparison of the mineral strontium, which is absorbed by the body from plants, revealed that he was born and grew up in the Mediterranean.
为了调查皮肤对双酚a的吸收水平,研究者用放射性同位素对双酚a做了标志,观察放射性标志在猪耳朵皮肤内的活动——这是种广泛应用的代替人类皮肤的实验模式。
To investigate levels of skin exposure, the researchers took radioactively labelled BPA and observed the movement of radioactivity through pig ear skin - a widely used model for human skin.
对贝壳的同位素分析使得地质学家可以测量另一种冰川效应。
Isotopic analysis of shells allowed geologists to measure another glacial effect.
她经常把装有放射性同位素的试管放在口袋里,对试管里发出的漂亮的蓝绿光赞不绝口。
She had often carried test tubes containing radioactive isotopes in her pocket, remarking on the pretty blue-green light they gave off.
研究人员对间冰期气候的线索来自保存在GRIP 冰芯中的两种略微不同类型的氧——即同位素氧-16和氧-18的比率。
Researchers' clues to the Eemian climate come from measurements of the ratios of two slightly different types of oxygen, isotopes oxygen-16 and oxygen-18, preserved in the GRIP core.
对这些珐琅碎片进行金属元素锶的同位素测试,这种元素可以揭示出个体所成长的地理区域。
These fragments were then analysed to test for particular isotopes, or forms, of the metallic element strontium, which can reveal the geological region where individuals were raised.
我们脚下深处是地狱般的岩石汤,在温度非常高的地球地幔中,有毒的铀、钍和钾元素的同位素释放出的辐射流不断地对这些岩石汤进行加热,使其保持高温。
Deep underneath your feet is a hellish stone soup, kept hot by a torrent of radiation from poisonous isotopes of uranium, thorium and potassium in the earth's superheated mantle.
并且,他们或许要对2号反应堆周边其他放射性同位素的含量,包括对铯、钡、钴、镧的浑浊度,进行重新检测。
And they still may need to retest for other radioactive isotopes that had been found in the seawater around the No. 2 reactor, including troubling quantities of cesium, barium, cobalt and lanthanum.
今年3月,通过对冰岛一带贝壳的研究发现,其硬壳氧同位素的水平会随水温的变化而产生差异。
A study this March of clamshells taken from Iceland found that the levels of oxygen isotopes in the shell layers varied depending on the temperature of the water in which they formed.
因此,如果对超对称性确信无疑,那么宇宙空间中元素同位素的存在就会比标准模式预测的要少。
So if supersymmetry is true, there should be less of this isotope around than the Standard Model predicts.
他们对研发成功可使用的核弹并建造自己的反应堆感到自豪,尽管之后的制裁阻止他们输入技术并出席讨论同位素的会议。
They are proud of having developed a workable bomb and built their own reactors, despite sanctions that prevented them from importing technology or from attending conferences to discuss isotopes.
对太阳风进行检测发现,太阳的同位素比例与地球、月球和火星不同,说明还有其他的因素参与了行星的起源。
Solar wind samples reveal that Earth, the moon and Mars have different isotopic ratios than the sun, indicating some additional wrinkles in the planetary origin scenario.
这项技术基于对同位素的研究。
这一数据发布数小时后,核电站操作员对这些数据进行了澄清,重新检测后,只有微不足道的一些同位素被发现。
Several hours after releasing the initial results, the plant operator said that those readings had been in error, and that retesting had shown negligible amounts of the isotope.
一个专家组也在11月发布了报告,它为保护加拿大医用同位素,尤其是对锝99m的供应进行的调研方式此前遭到了指责。
November also saw the publication of a report by an expert panel charged with investigating ways to secure Canada's supply of medical isotopes, technetium-99m in particular.
这项技术依赖于对同位素的研究。
本文结合前人的资料,对这些矿床的同位素研究成果作一概括性总结。
This paper, combined with previous data, briefly summarizes the results of isotopic studies of these deposits.
测定了某些地质样品的碳、氧同位素组成,并对其在地质上的应用作了解释。
Carbon and oxygen isotope compositions of some geological samples have been measured and its application to geology has been interpreted in this paper.
利用显微镜和碳同位素分析法对采自河南西峡盆地晚白垩世的16枚恐龙蛋化石进行了研究。
A study of 16 dinosaur eggshell fossils in the Late Cretaceous from Xixia Basin, Henan Province, using microscopic and carbon isotope method has been made.
运用构造控水分析、水化学同位素等方法,对宁南“南北古脊梁”岩溶裂隙水系统进行了深入的分析与讨论。
Karstfracture groundwater in the south-east of Ningxia has been synthetically analyzed by applying the theories of tectoniccontrolled groundwater, groundwater geochemistry and isotopic techniques.
分析了激光线宽对同位素原子激发电离效率和选择性因子的影响。
We have studied the influence of laser linewidth on ionized efficiency and selectivity of isotopic atoms.
通过热模拟实验,系统研究了单质硫在有机质生成甲烷过程中对其碳同位素分馏的影响。
The effects of element sulfur on carbon isotopic fractionation of methane have been systematically studied by the simulation experiments of thermal transformated methane from organic matter.
采用同位素稀释-高分辨气质联用技术对京杭运河杭州市区段表层沉积物中二恶的分布进行研究。
The PCDD/Fs in surface sediments of Great Canal in Hangzhou city were analyzed by isotope Dilution HRGC/HRMS method.
目的:利用天然稳定同位素技术,探讨抗性淀粉吸收代谢的特点及对血糖调节的影响。
Objective: The metabolic characteristics of resistant starch and its regulative effect on glucose response were studied by native stable isotope technique.
对放射性同位素衰变的测量,尤其是铀、锶、铷、氩和碳,可允许地质学家更精确地确定岩层的年龄。
The measurement of the decay of radioactive isotopes, especially uranium, strontium, rubidium, argon and carbon, has allowed geologists to more precisely determine the age of rock formations.
采用模拟污染物的同位素示踪技术研究了客土覆盖对降低大豆中放射性铈积累的效应。
Effects of covering with new soil on reducing the accumulation of radio-cerium in soybean were studied adopting the isotope-tracer techniques of simulated pollutants.
文中还通过储层中的天然气与气源岩生成天然气之碳同位素特征的分析对比,对各类天然气的展布特征进行了探讨。
The malleabilities of various types of gas are discussed in this paper according to the carbon isotope characteristics of the gas in reservoir and gas from gas source rock.
帕米尔地区碰撞构造的岩石与同位素年龄,记录了印度板块对亚洲板块的运动,经历了俯冲、碰撞和榨挤3个阶段。
The rocks and isotopic age of collisional structures in Pamir Plateau recorded the movement of Indian plate towards Asian plate, which passed through 3 stages of subduction, collision and squeezing.
研究了NP型螯合树脂珠作为质谱样品载体,对铀同位素进行热电离质谱分析的方法。
NP-type chelate resin beads is used as a carrier of samples in the isotopic measurements of uranium by mass spectrometry.
研究了NP型螯合树脂珠作为质谱样品载体,对铀同位素进行热电离质谱分析的方法。
NP-type chelate resin beads is used as a carrier of samples in the isotopic measurements of uranium by mass spectrometry.
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