Recovering deuterium from uranium deuteride bed by means of the isotopic exchange reaction between the solid and gas phases at room temperature is introduced.
研究了氢气经过流通式氘化铀床，利用气-固相之间的同位素交换反应回收床中的氘。
The noble gas isotopic compositions imply that the subduction and exhumation of the CCSD HP-UHP rocks may be very quick, thus the mantle-crust interaction and isotopic exchange might be very limited.
稀有气体同位素组成研究证实CCSD及其周围HP-UHP变质岩曾经历的板块俯冲和折返过程非常快速，俯冲过程中的壳幔物质交换未能充分进行。
In the model, isotopic exchange probability is variable and other parameters come from reference or experiment.
模型中的气-固相同位素交换几率为可变参数，其余参数使用了文献值或实验值。
Oxygen diffusion in minerals and accompanied isotopic exchange inclosed systems are discussed with special application to geospeedometry.
概述了同位素封闭体系内的矿物氧扩散和同位素交换机制及其在地质速率计上的应用。
The s isotopic components of metal minerals indicates a mid-low-temperature environmental precipitation under the condition of isotopic exchange equilibrium.
金属矿物硫同位素组成在同位素交换平衡条件下属中低温环境沉淀。
The results showed that boron separation by the two-step ion exchange for isotopic measurement was more effective. It achieved high accuracy of isotopic measurement of boron.
采用二次离子交换法分离天然样品中的硼是一种更有效的从天然样品中分离和纯化硼的分离方法，因而，也进一步提高了硼同位素组成测定的测量精度。
The kinetic of heterogeneous isotopic exchange reaction in hydrothermal melt state is studied and the results show that this labelling method gives high yield, rapid rate and good purity.
实验结果表明该法具有速度快，产额高，纯度好，宜于大批量生产的优点，在一定程度上具有普遍应用的意义。
The kinetic of heterogeneous isotopic exchange reaction in hydrothermal melt state is studied and the results show that this labelling method gives high yield, rapid rate and good purity.
实验结果表明该法具有速度快，产额高，纯度好，宜于大批量生产的优点，在一定程度上具有普遍应用的意义。
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