您要查找的是不是：
- The function of the accelerative effect exerted by succinic acid and calcium ion on the separation of uranium isotope by UO22+-Mal-Na+ ion exchange displacement system was studied. 本文研究了丁二酸、Ca~+的加速效应在(O_2)_~(2+)-苹果酸-Na~+排代体系分离铀同位素中的作用。
- Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration, and a thermal surface ionization mass sepctrometry equipped with multicollector has been used. 采用全蒸发技术、离子流强度积分的方式，用多接收器热表面电离质谱计测量铀同位素丰度。
- Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used. 采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离质谱计测量铀同位素丰度。
- Electromagnetic uranium isotope enrichment method 电磁铀同位素浓缩法
- uranium isotope mass spectrometer 铀同位素质谱计
- Indirect ionization by neutrons can also result from fission of plutonium or uranium isotopes. 通过使钚或铀同位素裂变，中于也能产生间接的电离作用。
- A Precise and Accurate Determination for Uranium Isotope Abundance 铀同位素丰度的精确测定
- a uranium isotope with mass number 235; capable of sustaining chain reactions. 铀的同位素，原子质量数为，能进行持续的连锁反应。
- a uranium isotope with mass number 235; capable of sustaining chain reactions 铀的同位素，原子质量数为235，能进行持续的连锁反应
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- SEPARATION OF URANIUM ISOTOPES BY CHEMICAL EXCHANGE 化学法分离铀同位素
- photo-separating uranium isotopes 光分离铀同位素
- Measurement of Uranium Isotope Ratio in Solid Sample by Laser Ablation and Double-Beam Diode Laser Atomic Absorption 激光烧蚀-双光束二极管激光原子吸收光谱法测定固体样品中的铀同位素比
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- Keywords isotope geochemistry;uranium isotope;hydrogeochemistry;uranium geology;uranium deposits of sandstone type; 同位素地球化学;铀同位素;水文地球化学;铀矿地质;砂岩铀矿;
- Keywords mass spectrometry;determination of low abundance uranium isotope;ratarding potential quadrupol （RPQ）;yeilds calibration; 质谱学;低丰度铀同位素测量;阻滞电位四极杆（RPQ）;产额校正;
- The isotope of uranium with mass number235, fissionable with slow neutrons. 锕铀铀的同位素，原子质量数为235，与慢中子发生裂变
- The symbol for the isotope deuterium. 氘的化学符号同位素氘的符号
- Uranium is a lithophile element. 铀是亲石元素。
- Its most common form, or isotope, has 146 neutrons. 它最常见的形式或者同位素有146个中子。
