同位素交换

PtCPTFE疏水性催化剂的H2OH2同位素交换研究

Study of T-H isotope exchange between h_2-h_2o by pt-c-ptfe hydrophobic catalyst

25℃时CO2和H2O同位素交换反应分离系数的测定

Determination of the separation factor for isotope exchange reaction between co_2 and h_2o at 25 ℃

用于水/氢同位素交换的Pt/SDB疏水性催化剂的研究

Study of pt / sdb hydrophobic catalyst for T-H isotopic exchange between water and hydrogen

H2-H2O气液氢同位素交换反应中Pt-SDB憎水催化剂的制备

Preparation of Pt-SDB Hydrophobic Catalyst Used in H_2-H_2 O Isotope Exchange Reaction

~（13）CO2-CO同位素交换技术研究含铁氧化物熔渣表面CO2分解反应的动力学

Kinetics of CO_2 Dissociation on Surface of Molten Slag Containing Iron Oxide by ~ ( 13 ) CO_2-CO Isotope Exchange Technique

煤层瓦斯因与CO2之间的碳同位素交换或因生物作用而富含~（12）C。

The gas in coal bed is rich in ~ ( 12 ) C , because of the exchange of carbon isotope between the gas in coal bed and the CO_2 or the organism reaction .

本文研究了EDTA溶液中稀土在大孔树脂内的扩散，用同位素交换法测定了ce，Tb、Yb的有效粒内自扩散系数（De）。

The self - diffusion of RE isotopes in porous cation exchangers with various radius and in several MR-type resins around by EDTA bulk solutions of rare earths was studied .

Y型沸石和高岭土原位晶化产品的Tb／Tb同位素交换及Na／Tb、Tb／Na离子交换动力学

Kinetics of Tb / Tb Isotope Exchange and Na / Tb and Tb / Na Ion Exchange in Y Zeolite and Fluid Zeolite Molecular Sieve Catalyst From Preformed Microspheres Composed of Kaolin Clay

PT/CE（0.75）ZR（0.25）O2的催化性能及其氧移动性的~（18）O同位素交换表征

Catalytic Activity and Characterization of Oxygen Mobility on Pt / Ce_ ( 0.75 ) Zr_ ( 0.25 ) O_2 Catalyst by Isotopic Exchange with ~ ( 18 ) O

HT-6M托卡马克的同位素交换实验

Isotope exchange experiments in the HT-6M Tokamak

用于氢-水同位素交换的Pt-PTFE类憎水催化剂的研制

Preparation of pt-ptfe hydrophobic catalyst for hydrogen-water isotope exchange

230℃和250℃温度下溶液中CH4和CO2之间的碳同位素交换反应的实验初步证实它们在水溶液中要比在于系统中容易进行同位素的交换。

A series of experiments of carbon isotopic exchange reaction between CH_4 and CO_2 in solutions at 230 ℃ and 250 ℃ preliminarily showed that the isotopic exchange between CH_4 and CO_2 would takes place more easily in an aqueous solution than in a dry system .

异常高的δ18O值表明M类榴辉岩与围岩-大理岩在变质过程中发生过强烈的氧同位素交换。

In the Rongcheng region , the extremely high δ 18O values of M-eclogite suggest that a strong oxygen isotopic exchange happened between the M-eclogite and its country-rock , marble , during metamorphisms .

对于造成环绕浅成侵入岩体分布的18O亏损环带的流体的流动几何学，以及浅部正断层流体流动的几何学，耦合模型提供了不同于单一同位素交换模型的解释。

This complex model provides alternative interpretations for the geometry of flow responsible for the development of 18O depletion annuli surrounding epizonal intrusions and for the geometry of flow in shallow - level normal faults .

研究了温度、压力对疏水催化剂氢同位素交换时交换柱上部排出的HDO摩尔量的影响。

The effects of the temperature and pressure on the mole fraction of HDO in the top segement of the column have been examined for the hydrophobic catalyst .

通过比较在Co-CeO2/SiO2和Co/SiO2催化剂上的脉冲D2反应实验结果发现，CeO2可以提高载体表面Si-OH的H-D同位素交换活性和Si-OH中H参与CO加氢反应的活性；

The D_2 pulse reaction results over Co-CeO_2 / SiO_2 and Co / SiO_2 catalysts showed that the addition of CeO_2 increased the catalytic activity of Co / SiO_2 for the H-D isotopic exchange and the reactivity of H from Si-OH for CO hydrogenation .

用疏水催化剂分别在五种不同温度下进行氢同位素交换实验，结果表明催化活性在313～333K之间变化不大，但当温度降低到305K或增加到343K时活性明显降低。

The exchange efficiency on the hydrogen isotopes exchange has been examined for the hydrophobic catalysts at different temperature . The result indicates that the catalytic activities keep steady between 313K and 333K , and decrease obviously when the temperature is below 305K or above 343K .

氧同位素交换及其在多相催化氧化反应研究中的应用

Oxygen Isotopic Exchange and Its Application in the Heterogeneous Catalytic Oxidation

高温固态催化同位素交换法制备氚化氨基酸

Preparation of Amino Acid With High-temperature Solid-state Catalytic Isotope Exchange Method

氢氧同位素交换动力学及其地质意义

The hydrogen and oxygen isotope exchange kinetic and its geological significance

氢-水同位素交换分离因子理论计算

Calculation of the Separation Factors for Hydrogen and Water Isotopic Exchange Reaction

方解石-橄榄石-流体三相体系氧同位素交换的实验研究

Experimental studies of oxygen isotope exchange in the system calcite forsterite fluid

用示踪原子法研究卤素非同位素交换反应的动力学

A radiotracer study of the kinetics of the non isotopic halogen exchange reactions

石灰性土壤与磷酸盐的反应及吸持态磷的同位素交换性

The desert sorption and exchangeability of in calcareous soil

用同位素交换法测玫瑰红中含碘量

Determination of iodine in Rose Bengal by isotopically exchanging

质量传输和同位素交换：流动几何学和交换机制

Coupled mass transport and kinetically limited isotope exchange : flow geometry and exchange mechanisms

用于氢同位素交换的一种高分子催化剂

A Polymer Catalyst Used in Hydrogen Isotope Exchange

相山铀矿田水-岩氢、氧同位素交换的实验研究

Experimental study of water-rock hydrogen and oxygen isotope exchange in the Xiangshan uranium ore-field

热液中硫化物与硫代硫酸盐的同位素交换机制及多硫化物的作用

The role of polysulfides and the mechanism of isotopic exchanges in aqueous sulfide-thiosulfate system

甲烷的氢同位素交换的热力学理论计算

Thermodynamic Investigation on Methane of Hydrogen Isotope Exchange