Character and stable carbon isotope effect of DDTs during digestion in simulating gastrointestinal tract 滴滴涕在模拟胃肠中的消化特征及其稳定碳同位素效应
Theoretical Study on Structure and~ ( 18) O Isotope Effect on Vibrational Spectra of Iodosylbenzene Oligomer 亚碘酰苯低聚物的结构与振动光谱~(18)O-同位素效应的理论研究
Isotope Effect for the Collisions between Helium Atoms and Hydrogen Fluoride Molecules 氦原子与氟化氢分子碰撞的同位素效应
Effect of Mo Content on the Hydrogen Isotope Effect of Ti-Mo Alloy Hydrides Mo含量对Ti-Mo合金氢同位素效应的影响
A new cascade method for studying isotope effect in chemical exchange system without valance change 研究不变价化学交换体系同位素效应的一种新级联实验方法
Because of the development of neutron scattering technology, people successed in the field of phonon dispersion curve and isotope effect study. 由于中子散射技术的发展,人们才得以在声子色散曲线和同位素效应的研究等方面有所收获。
Simple Determining Milligram Lithium in the Study of Lithium Isotope Effect 锂同位素效应研究中毫克量锂的简便测定
Isotope effect of MgB_ 2 superconductor MgB2超导体的同位素效应
Intraband electronic interaction has bigger influence on isotope effect than interband electronic interaction. 结果表明,带内电子性作用比带间电子性作用对同位素效应指数的影响要大。
From the angle of physical organic Chemistry, the transition state of chemical reactions has been studied in chemical reaction rate and isotope effect. 本文从物理有机化学的角度,从化学反应速度和同位素效应二方面对化学反应中的过渡状态问题进行探讨。
A similar Isotope effect is also observed in discharges with different filling gases [ He+ H2+ SiH4 or H2]. 在不同的充入气体[He+H2+SiH4和H2]放电中,观察到类同位素效应。
Carbon isotope composition in soil microbial biomass and organic carbon isotope effect 贵州山区土壤微生物生物量的碳同位素组成与有机碳同位素效应
In chapter 2, we present the properties of the system in both the superconducting state and normal state, such as the isotope effect, the hall effect, the pressure effect and the doping effect. 在第二章,我们较为详细地介绍了MgB2超导体正常态和超导态的基本性质,其中包括同位素效应、霍尔效应、压强效应、掺杂效应等。
Demethylation by rat hepatic microsomal fraction and deuterium isotope effect of artemether 蒿甲醚经大鼠肝微粒体酶脱甲基代谢和氘代同位素效应
In chapter 2, we discuss the main normal and superconducting state properties of magnesium diboride, including isotope effect, pressure effect, transport properties, Hall effect and superconducting energy gap et al. 在第二章,我们讨论了二硼化镁正常态和超导态的基本性质,针对同位素效应、压强效应、输运性质、霍尔效应和超导能隙等进行了全面的分析与讨论。
Lithium isotope effect in the extraction systems of polyethers& effect of salt concentration 多醚萃取体系中锂的同位素效应&盐浓效应
Factors influencing the thermodynamic isotope effect of lithium in polyether-lithium liquid-liquid extraction systems 多醚液-液萃取体系中各种因素对锂的热力学同位素效应的影响
The calculations for H+ H2 and Cl+ H2 reaction systems show that the isotope effect plays an important role in the dynamical stereochemistry. And the position of the substituted atom is different, the similar isotopic substituent results in contrary behaviour. 对H+H2和Cl+H2反应体系计算表明同位素效应在立体化学动力学中扮演着重要角色,并且不同位置原子的同位素取代对立体动力学性质的影响有着显著的差别。
Measurement of Primary Kinetic Deuterium Isotope Effect of the Reaction of Enamine Formation Using Natural Abundance Deuterium NMR 天然氘核磁共振法测定环酮的烯胺化反应的一级动力学氘同位素效应
The superconducting transition temperature and isotope effect under s+ d mixed wave symmetry including Coulomb repulsion and van Hove singularity s+d混合波对称性下计入库仑作用和VanHove奇异性的超导转变温度和同位素效应
For the reaction in some different solvents ( CH_3CN, CH_2Cl_2, C_6H_6, CCl_4), the products, product distribution as well as solvent isotope effect are the same as those in the reaction induced by singlet oxygen. 在几种不同溶剂(乙腈、二氯甲烷、苯、四氯化碳)中,其敏化光氧化反应所生成的产物、产物分布及溶剂同位素效应与典型单线态氧的氧化反应相同。
The formula of T_c's equation and the isotope effect exponent of two-band s-wave superconductor in weak-coupling limit are derived by considering the influence of interband interaction. 在弱耦合极限下考虑带间相互作用,得到了二带s-波超导体临界温度Tc的公式及同位素效应指数的公式。
Palladium-hydrogen system has the largest isotope effect in the metal-( hydrogen) systems so far as we know, so palladium is widely used in hydrogen isotopes ( disposal) technology. 在迄今所知的金属-氢体系中,钯氢体系的同位素效应最强,因此,钯被广泛用于氢同位素处理工艺中。
Thermodynamic isotope effect for Hydrogen and Deuterium absorption of Ti-V alloy is not notable, but generally, at the same conditions, Deuterium equilibrium pressure is higher slightly than that of Hydrogen, presenting the hydride is more stable. Ti&V合金吸氕氘的热力学同位素效应不明显,但总体趋势是在相同条件下,氘的平衡压力略高于氕的平衡压力,表明氕化物比氘化物稳定。
Influence of electronic interaction on isotope effect of MgB_2 superconductor 电子性作用对MgB2超导体同位素效应的影响
Lithium isotope effect in the extraction systems of crown ethers ── effect of mixed salts of lithium 冠醚萃取体系中锂的同位素效应&混合锂盐效应
The isotope effect of palladium-hydrogen system is summarized. ( The main) applications and the development of palladium or palladium alloys in hydrogen ( isotopes) separation and purification are reviewed. 文章简述了钯氢体系的同位素效应,综述了钯及其合金在氢同位素分离和纯化工艺中的主要应用及其发展。
The isotope effect is the key point and also the difficult point for understanding the high-temperature superconductors. Previous results on the isotope effect of the new iron-based superconductors are highly controversial. 同位素效应一直是高温超导体研究的重点和难点,新型铁基超导材料中Fe的同位素效应也一直备受争议。
Isotope effect also plays a very important role in this reaction. 同位素效应同样扮演着非常重要的角色,H的同位素取代对产物有非常直接地影响。
We obtain the isotope effect exponent a 0.34, which is in agreement with experimental dates. 结果得到同位素效应指数a为0.34,与实验数据相符合,说明了我们所采用模型的可用性。