- 更多网络例句与互变异构相关的网络例句 [注：此内容来源于网络，仅供参考]
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As to thymine, the bond energy of the ion with the most stable tautomer of the free nucleic acid base is the weakest among the three tautomer＇ s complexes, and that of the ion with least stable tautomer of the free nucleic acid base is the strongest .
在互变异构体复合物中，键能是依赖于金属离子成键的位置，而总能量取决于全部的原子和它们之间的相对位置，这可能是造成几种互变异构体复合物键能和总能量变化趋势并不一致的原因。
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The reaction mechanism of thione-thiol tautomerism for 2,6-dithiopurine obtained from proton transfer has been investigated by DFT B3LYP method with 6-311＋G basis set. The reaction enthalpies, activation energies, activation free energies and the rate constants of tautomerism were obtained.
采用密度泛函B3LYP方法，在6-311＋G基组水平上对2，6-二巯基嘌呤质子转移引起的硫醇式与硫酮式互变异构反应进行了计算研究，获得了互变异构过程的反应焓、活化能、活化吉布斯自由能和质子转移反应的速率常数等性质。
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Photoinduced tautomerization of DMBDK in acetonitrile was studied by means of UV and fluorescence spectroscopy.
通过紫外和荧光光谱研究了DMBDK在乙腈溶液中的光致互变异构行为，结果表明，荧光光谱可用于跟踪某些β-二酮化合物的互变异构过程。
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The results are in good agreement with available experimental results. The entropy effect on the Gibbs free energies of 6-thioxanthine base is very small and there is little significance for the tautomeric equilibria of the base.
计算结果同已有实验结果一致。6-硫代黄嘌呤异构化的熵效应小，对互变异构平衡几乎没有显著的影响，而焓变对互变异构产生了主要的影响。
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The mechanism of clonidine conformational isomerization and tautomeric reaction has been studied and the geometric parameters of transition states have been located by B3LYP/6-31G**.
为了考察氯苯的共轭效应对可乐定互变异构体稳定性的影响，在B3LYP/6-31G**水平上，研究了2-氨基-2-咪唑啉的互变异构化反应机理。
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In the first part, the prototropic hydroxy-oxo tautomerisms of 2 (1H)- pyridones/2-hydorxypyridines, one of the most important model systems in molecular biology, have been investigated with self-consistent reaction field method based on continuum model. The influence of the nature and position of substituent groups, the existence of intramolecular hydrogen bonding and tautomeric competition between 2-hydroxy and 4-hydroxy on the tautomeric equilibria have also been examined.
第一部分，首先从溶剂敏感的异构化性质入手，用基于连续介质的自洽反应场理论方法对一类重要的生化模型体系—2（1H）-吡啶酮／2-羟基吡啶互变异构体系进行了研究，系统地考察了取代基性质、取代基位置、分子内氢键的形成以及互变异构竞争的存在对异构化平衡的影响。
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The total energy, standard enthalpy, standard entropy and standard free energy were obtained. The calculations show that 5-fluorouracil and 5-chlorouracil existing as the dione forms are the predominant isomers in the gas and aqueous phases. The entropy effect on the Gibbs free energy of 5-fluorouracil and 5-chlorouracil is very small and there is little significance for the tautomeric equilibria.
Onsager反应场溶剂模型用于水相的计算计算结果表明，5-氟尿嘧啶和5-氯尿嘧啶在气相中和水相中主要以双酮形式存在5-氟尿嘧啶和5-氯尿嘧啶的熵效应小，对互变异构平衡没有显著的影响，而焓变对互变异构产生了主要的影响。
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The influence of binding of cisplatin adducts on tautomeric equilibrium of guanine was investigated using quantum chemical method. The monoaqua adduct [Pt(NH3)2Cl(H2O)]＋and the diaqua adduct [Pt(NH3)2(H2O)2]2＋were chosen for coordination to the N(7) site of guanine tautomers.
使用量子化学MPW1PW方法，优化了顺铂键连到DNA碱基-鸟嘌呤及互变异构体N7形成的配合物的构型，同时用MP2方法计算其能量，以研究顺铂对鸟嘌呤互变异构作用的影响。
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And we also research the impact of methylating on hydrogen bond and stacked bond in base pairs under considering water molecules.
研究结果表明，烷基化之所以能造成碱基错配是它可使碱基的质子迁移或烯醇互变现象容易发生，改变原有原子的电荷分布或配对模式，同时碱基自身的互变异构体会跟烷基作用，致使互变异构体能够稳定存在，影响正常碱基配对，引起碱基诱变，造成生理疾病的发生。
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For the isolated Uracil, the shift of the appropriate hydrogen atoms can generate many different tautomers. Moreover, theoretical studies demonstrate that some tautomers of Uracil possibly result in the mispair of nucleic acid base pairs.
通过氢原子的转移，脲嘧啶可以产生许多互变异构体，而且研究表明它的一些互变异构形式可能会导致碱基的错配。
- 更多网络解释与互变异构相关的网络解释 [注：此内容来源于网络，仅供参考]
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tautomerism：互变异构性;互变异构现象
tautomeric equilibrium 互变异构平衡 | tautomerism 互变异构性;互变异构现象 | tautomerization 互变异构作用
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Ring-chain tautomerism：环-链互变异构
Imine-enamine atutomerism 亚胺-烯胺互变异构 | Ring-chain tautomerism 环-链互变异构 | Valence tautomerism 价互变异构
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Ring-chain tautomerism：环-链互变异构性;环-链互变异构现象
ring test 环试验 | ring-chain tautomerism 环-链互变异构性;环-链互变异构现象 | ring-roll mill 环辊磨
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intra-annular tautomerism：环内互变异构现象;环内互变异构性
intra-atomic energy 原子内能 | intra-annular tautomerism 环内互变异构现象;环内互变异构性 | intoxication 中毒
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intra-annular tautomerism：环核内互变异构现象,环内互变异构现象
intra-annular 环内的 | intra-annular tautomerism 环核内互变异构现象,环内互变异构现象 | intra-arc basin 弧内盆地
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Phenol-keto tautomerism：酚-酮互变异构
Keto-enol tautomerism 酮-烯醇互变异构 | Phenol-keto tautomerism 酚-酮互变异构 | Imine-enamine atutomerism 亚胺-烯胺互变异构
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tautomerization：互变异构[作用]
tautomerism 互变异构性;互变异构现象 | tautomerization 互变异构作用 | Tayler process 泰勒法
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keto enol tautomerism：酮-烯醇互变异构现象;酮-烯醇互变异构性
keto-lactol tautomerism 酮-内醚醇互变异构现象;酮-内醚醇互变异构性 | keto-enol tautomerism 酮-烯醇互变异构现象;酮-烯醇互变异构性 | keto-aldehyde 酮醛
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tautomerism, merotropism, merotropy：互变异构[现象],互变异构性
互变异构物 tautomeride | 互变异构(现象);互变异构性 tautomerism; merotropism; merotropy | 互变异构(作用) tautomerization
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tautomeric equilibrium：互变异构平衡
tautomeric effect 互变异构效应 | tautomeric equilibrium 互变异构平衡 | tautomerism 互变异构性;互变异构现象