The radium isotopes are absorbed to an appreciable extent through the human and animal gut.
镭的同位素通过人和动物的肠子时有很大部分被吸收。
abundance of isotopes.
同位素的丰度
The relative abundance of different nuclear isotopes in the material could reveal additional clues.
物质中不同核同位素的相对丰度能够提供更多的线索。
Application and Achievement of Radioisotopes in Nuclear Medicine
放射性同位素在核医学中的应用与成就
Major Elements and Sr Isotopes of the Dissolved Loads in the Yangtze River Estuary and its Adjacent Areas
长江口及邻近海域水体主元素和锶同位素地球化学
Adsorption Study of Hydrogen Isotopes on Metal Palladium Surface by Quantum Mechanism Computation
金属钯表面吸附氢同位素的量子力学计算
agricultural application of radioisotopes
放射性同位素在农业上的应用
Applications and Progress of Lead isotopes in Environmental Geochemistry
铅同位素在环境地球化学中的应用与进展
Applications in research with and production and disposal of radioactive isotopes and elementary particles
放射性同位素和基本粒子的研究、生产和处置的应用
There are some radioactive isotopes which are produced artificially by bombardment of nuclei with neutrons.
有几种同位素是用人工方法, 以中子轰击原子核生产出来的。
Atoms of the same element that differ in their atomic weight are called isotopes.
具有不同原子量的同一种元素被称为同位素。
Separation of Li isotopes by laser deflection of atomic beams
激光光压偏转原子束分离锂同位素
Separation of Li isotopes by laser deflection of atomic beams has been carried out.
用激光光压偏转原子束进行了锂同位素分离实验。
An Automatic Split Charging Device for Radioisotope Development of An Automatic Weighing and Distributing Equipment for Radioactive Isotopes
放射性同位素自动分装设备的研制
A system for automatically diluting and dividing radioisotopes
医用同位素全自动分装仪的研制
Online Analysis of Hydrogen Isotopes of Basalt with Stepped Heating Degas
玄武岩热解氢同位素在线分析
Study on Sulfur Isotopes of Trias Marine Deposit Gypsum and Brines in the Sichuan Basin
四川盆地三叠纪海相沉积石膏和卤水的硫同位素研究
Analysis of isotopes and diagenesis of Ordovician Dolomite Reservoir in the Williston Basin
威林斯顿盆地奥陶系白云岩储层同位素与成岩作用分析
Preliminary studies on trophic structure of tidal zone in the Laoshan Bay by using carbon stable isotopes.
崂山湾潮间带食物网结构的碳稳定同位素初步研究
The determinations of five important radioisotopes in surface sediment in Jiaozhou Bay.
青岛胶州湾表层沉积物五种重要放射性同位素的测定
Case studies of biological effects on trace elements and stable isotopes
生物对环境微量元素和稳定同位素的选择性及研究实例
Research and application of lead isotopes predication information system for blind deposits
隐伏矿铅同位素预测信息系统开发与应用
Boron and Chlorine Isotopic Chemistry and Study for the Fractionation Mechanism of Their Isotopes
硼氯同位素化学及其同位素分馏的研究
Ion exchange chromatography is a promising technique for boron isotopes separation.
综述了离子交换色谱法分离硼同位素的进展。
Decomposition reaction in separation of boron isotopes by chemical exchange reaction and distillation
化学交换精馏法分离硼同位素分解反应实验研究
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