氢同位素交换,hydrogen isotope exchange
1)hydrogen isotope exchange氢同位素交换
1.The standard enthalpy,standard entropy,standard Gibbs free energies and equilibrium constants of reactions concerned in methane of hydrogen isotope exchange were calculated with the density functional theory(DFT) using B3′ exchange and Lee-Yang-Parr\'s correlation functional(B3LYP) with 6-31G** basis set.应用密度泛函理论(DFT)/B3LYP/6-31G**方法计算了甲烷的氢同位素交换的各反应标准摩尔生成焓、标准摩尔生成熵、标准摩尔吉布斯自由能和平衡常数。
英文短句/例句

1.Thermodynamic Investigation on Methane of Hydrogen Isotope Exchange甲烷的氢同位素交换的热力学理论计算
2.Ab Initio Study on the Mechanism of Hydrogen Exchange Reaction Between H_2O and Hydroxyl of(CH_3)_3SiOH水与三甲基硅烷醇羟基的氢同位素交换反应的理论研究
3.Research for the Surface Structure of Pt/C Catalyst and Its Activity to Hydrogen-water Isotopic Exchange Reaction;Pt/C的表面结构及其对氢一水同位素交换的催化活性研究
4.non-equilibrium isotopic exchange method非平衡同位素交换法
5.Experimental Study of Oxgen Isotopic Fractionation in Carbonate Water-rock Interaction;碳酸盐矿物的氧同位素交换实验研究
6.OXYGEN ISOTOPE KINETICS OF SKARN DEPOSITIN ANQING安庆矽卡岩矿床的氧同位素交换动力学
7.isotopically exchangeable phosphat同位素代换的磷酸盐
8.an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen).含一个中子的氢的同位素(氢含零个中子)。
9.The mineral-fluid oxygen isotope exchange in granitic rocks is mainly a non-equilibrium one in an open system.花岗岩-体氧同位素交换反应绝大多数为开放体系不平衡类型。
10.Oxygen Isotope Exchange Kinetics between Coexistent Minerals and Water in Some Granite Plutons of the Altay Mountains阿尔泰若干花岗岩体矿物—水氧同位素交换反应动力学
11.ENRICHMENT OF LITHIUM ISOTOPES BY HIGH PRESSURE ION EXCHANGE DISPLACEMENT CHROMATOGRAPHY (Ⅲ)--SEMICONTINUOUS ENRICHMENT高压离子交换排代法富集锂同位素(Ⅲ)——半连续富集
12.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
13.Net CO2 exchange and carbon isotope flux in Acacia mangium plantation马占相思人工林净二氧化碳交换和碳同位素通量
14.More reactive are the heavier isotopes of hydrogen, deuterium and tritium.更为活跃的是氢的较重同位素,氘和氚。
15.A STUDY ON HYDROGEN AND OXYGEN ISOTOPIC COMPOSITION OF THE PRECIPITATION IN GUILIN AREA桂林地区大气降水的氢氧同位素研究
16.Dynamic Simulation of Cryogenic Distillation Column with Hydrogen System;氢同位素低温精馏动态过程模拟研究
17.Hydrological Experiments on Oxygen and Hydrogen Isotopic Variations in Precipitation,Groundwater and Riverwater in Huaibei Plain,Anhui Province淮北平原区氢氧同位素水文实验研究
18.D/H Ratio Determination of Cellulose Nitrate from Tree Rings;树木年轮硝化纤维素氢同位素组成的测定
相关短句/例句

Hydrogen-water isotopic exchange氢-水同位素交换
3)Hydrogen-water isotopic exchange reaction氢-水同位素交换反应
4)exchange reaction of hydrogen isotope氢同位素交换反应
5)isotopic exchange同位素交换
1.The results of isotopic exchange of(()~(18)O),temperature-programmed surface reaction of ethanol(C_2H_5OH-TPSR),temperature-programmed desorption of CO(CO-TPD),and temperature-programmed reduction of H_2(H_2-TPR) show that the Pt phase is amorphous and well dispersed on the support surface.25O2催化剂,考察了催化剂对乙醇及CO的氧化活性,并采用18O同位素交换、乙醇程序升温表面反应(C2H5OH-TPSR)、一氧化碳程序升温脱附(CO-TPD)和程序升温还原(H2-TPR)等技术对催化剂进行了表征。
2.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。
6)isotope exchange同位素交换
1.This paper presents main specific properties of a few hydrophobic catalysts made by ourselves with which isotope exchange experiments of H-T at atmospheric temperature are made.本文简要介绍了自制的几种疏水催化剂的主要特性,采用这些催化剂进行了室温下的H—T同位素交换实验,初步考察了氢气流速对催化活性的影响。
2.For this purpose, we have investigated the isotope exchange process for the trace recovery from the imitative residue of the alloy.利用同位素交换法对模拟液态锂铅合金残渣中的微量氚进行回收。
3.High temperature solid state catalytic isotope exchange reaction provides a new effective method for the preparation of tritium of labelled organic compounds which have high specific activity and bioactivity.高温固态催化同位素交换法为制备具有生物活性的高放射性比活度的氚标记有机化合物提供了新的途径。
延伸阅读

氢同位素交换反应的平衡常数分子式:CAS号:性质:氢同位素交换反应达到平衡后,生成物中氢同位素浓度乘积与反应物中氢同位素浓度乘积之比。H2+D22HD交换反应,平衡常数,按等几率计算平衡常数K∞=4。实测值与理论值有偏离。交换反应温度/KK理论K实测H2+D22HD2983.263.28HD+H2OH2+HDO2933.183.2HD+H2OH2+HDO8001.361.28NH3+HDNH2D+H22985.835.55H2S+HDOHDS+ H2O2880.4480.453温度对K的影响较大,特别是在0℃以下更为显著。K是决定交换反应能否实际用于同位素生产的一个重要参数。