isotopic fractionation

The cryogenic preparation gas chromatography method for the use of hydro-gen isotope separation was introduced in the paper.

介绍了采用低温制备气相色谱法以 Al_2O_3 装填分离柱进行氢同位素分离的装置。

A new method is presented to measure the atomic flux for atomic vapor laser isotope separation.

为测量激光原子法同位素分离中密度通量 ,采用两端镀有铜电极的玻璃基片作测量探头 ,通过检测蒸镀在玻璃基片上两电极间金属薄膜电阻的变化来测量密度通量。

he value function and the separative power are very important physicalquantities in the field of the uranium isotope separation.

在铀同位素分离领域中，价值函数和分离功率是非常重要的物理量。

Then the CO 2 gas is purified and sent into a mass spectrometer for isotope analysis of C and O, and its spatial resolution rate is more than 20μm.

碳酸盐岩碳、氧同位素分析激光微取样技术是利用高能聚焦激光束与碳酸盐岩样品作用 ,热分解产生CO2 气体 ,经真空提纯净化后送质谱仪分析测定其C、O同位素值。

The results of cement generation,inclusion enclave temperature measurement,O/C isotope analysis and electronic probe microelement analysis proved that most of the calcite cements were coming into being in the late diagenetic stage.

镜下观察、包裹体测温、氧碳同位素分析和电子探针微量元素分析证实 ,方解石主要形成于成岩晚期 ,在遭受强压实作用和早期胶结作用之后 ,储集岩的孔隙度和渗透性降低 ,成岩环境开放性变差 ,伴随着有机质的降解而形成大量的二氧化碳 ,造成方解石沉淀。

Because of the special feature with the multivalences,multi-mass number and larger isotopic fractionation,Se isotopes have caused more attention.

硒同位素作为非传统稳定同位素的重要组成部分,由于具多价态、多质量数、同位素分馏效应大的特点,已成为目前发展最迅速的同位素之一。

The isotopic fractionation under microbial actions belongs to the kinetic isotopic fractionation,which results in the enrichment of heavier isotopes in .

微生物作用下的同位素分馏为动力同位素分馏,导致重同位素在残余物中富集。

There exist possible isotopic fractionation effects in generation-expulsion process of terrestrial source rocks.

在陆相干酪根生排烃过程中,烃类可能会发生同位素分馏效应。

cascade isotope separation plant

级联同位素分离装置

electromagnetic isotope separation unit

电磁同位素分离装置

Design of Process and Isotope Abundance Testing Apparatus in Separation of Boron Isotopes by Chemical Exchange Reaction and Distillation;

化学交换与精馏法分离硼同位素中试实验装置和分析装置的设计

radioisotope heater unit

放射性同位素加热装置

radioisotope power device

放射性同位素能量装置

isotopic continuous weighing device

同位素连续称重装置

ion mobility isotope separation

离子迁移同位素分离

magneto ionic isotope separator

磁化离子同位素分离器

plasma isotope separation method

等离子体同位素分离法

molecular laser isotope separation

分子激光同位素分离

chemical isotope separation

化学法同位素分离法

Design of Radon Isotope Discrimination System Based on Delayed Coincidence Measurement

延迟符合法氡同位素分辨系统的实验装置的研制

electromagnetic isotope separation

电磁同位素分离(电磁分离)

Fault Analysis and Reform for 3-Stage Cyclone in Heavy Oil Catalyzing Installation

重油催化装置三级旋风分离器故障分析及改造

clutch operating linkage

离合器操作联动装置

Structure design progress of third-stage cyclone in FCC

催化裂化装置中三级旋风分离器结构设计进展

Analysis of the Various Reactance Ratio's Configuration of Installation of Shunt Capacitors

并联电容器装置的不同电抗率配置分析

fractional distillation apparatus for isotopic separation

分馏设备,用于同位素分离