英语释义

• within the molecule; occurring by a reaction between different parts of the same molecule

片语

intramolecular condensation[化学]

intramolecular acetalation分子内缩合

intramolecular interactions分子内相互作用

intramolecular oxidoreductases分子内氧化还原酶

intramolecular rotation分子内回转

intramolecular hydrophobic疏水作用

intramolecular acetalization分子内缩醛化

intramolecular excimer分子内激基缔合物

intramolecular migration分子内迁移作用

英汉例句

• the si-si bonds in the complexes were found to be stable towards the intramolecular transition metal atom.

  发现在加热条件下该类化合物中硅硅键不能被分子内过渡金属所活化。

• levetiracetam was prepared from l-methionine via reduction-dethiomethylation, esterification, ammonolysis, amidation and intramolecular cyclocondensation reaction with 44.6% overall yield.

  以蛋氨酸为原料经还原脱硫甲基化、酯化、氨解、酰胺化及分子内缩和成环4步反应合成得到了左乙拉西坦，总收率44.6%。

• by the use of probability method, the sol-gel distribution equations including intramolecular reaction of sol are deduced. the theoretical and experimental values are coincident.

  本文用概率方法推导出包括溶胶中分子内环化反应的溶胶凝胶分配方程。由此方程计算出的理论值同实验值符合很好。

• selective excitation of the anthraquione moiety intramolecular energy transfer from excitated anthraquione to eu 3+ occurred, the luminescence of eu 3+ was observed.

  研究结果表明，选择性激发铕离子络合物中的蒽醌冠醚能发生分子内能量转移，观察到铕离子的发光。

• the reaction is intramolecular and hence fast and clean.

  此反应属分子内反应，因而快速且干凈利索。

• benzimidazolyl group exhibits catalytic activity in the way as intramolecular general-base catalysis in the hydrolysis of 3-(2「-benzimidazolyl)-3-hydroxy propionate.

  在3-（2＇-苯并咪唑基）-3-羟基丙酸乙酯水解过程中，苯并咪唑基以分子内一般堿催化方式参与催化酯的水解反应。

• because there are many hydrogen bonds between intramolecular and intermolecular chains, they cannot dissolve in many organic solvents, and their processing performance is poor.

  但因大分子链的分子内和分子间易形成氢键，所以不宜溶于许多有机溶剂，加工成型性能较差。

• excited state intramolecular proton transfer (esipt) and dual fluorescence properties of 3-hydroxyflavone (3hf) have been investigated using time-dependent density functional theory.

  本文还对3-羟基黄酮分子体系（3hf）的激发态分子内质子转移（esipt）及双荧光现象进行了理论计算和研究。

• the results showed: the pnpp catalytic hydrolysis was intramolecular reaction in the metallomicelles;

  结果表明：金属胶束催化pnpp水解是分子内反应；

• the formation of intramolecular hydrogen bonding extends the ligand planarity and increases the insertion ability of the complex to dna.

  能够使配体平面性增强的分子内氢键的形成，有利于配合物对dna的插入作用；

• donors such as amine and phenolic groups, when positioned ortho to a nitro group, are always involved in intramolecular hydrogen bonding.

  在硝基邻位上存在的氢键给体如胺基，酚基时，总与硝基形成分子内氢键。

• the new fluorescent band is considered to be related to the intramolecular charge transfer between the amino group and the quinonoid carbonyl group.

  我们认为该新的荧光峰与胺基和醌羰基之间的分子内电子转移有关。

• it is demonstrated that: (1) unenoliazted isomers have high energy due to the absence of intramolecular hydrogen bonds;

  结果表明：（1）未烯醇化的异构体由于无法形成分子内氢键而具有较高的能量；

• the electronic properties of the polymers and their model compounds are well correlated with the acceptor strength, coplanarity of the backbone, and intramolecular charge transfer.

  的电子性质的聚合物和它们的模型化合物的良好的相关性与承兑人强度，骨干的共面性，和分子内电荷转移。

• micellar effects on the twisted intramolecular charge transfer (tict) ofp-n, n-dimethylaminobenzaldehyde (dmaba) in aqueous solution is investigated.

  研究了水溶液中对二甲氨基苯甲醛（dmaba）分子内扭转电荷转移（tict）的胶束效应。

• the results show that the title compound is stable; the cis configuration has intramolecular hydrogen bond while trans configuration dose not.

  结果表明标题化合物稳定，顺式构型分子内有氢键，反式则没有。

• the chain longer in spacer group for researched compounds can affect the functionality of intramolecular charge transfer.

  化合物中的间隔基团的碳链长短分子内电荷转移性能有一定的影响。

• a new type of intramolecular double-helical compound was synthesized by connecting chiral 2,2」-substituted 1,1'-binaphthyl with meta-pyridine bridge.

  通过光学活性的2 ，2’-二取代1 ，1’-联萘和间吡啶桥的连结，成功地合成了一种新型分子内双螺旋化合物。

• from the reaction of 2,3 dihydro 2 methyl 4 phenyl 1,5 benzothiazepines with diazozcetic ester an unexpected ring open product of the intramolecular rearrangement was obtained.

  二氢-2-甲基-4-苯基-1，5-苯并硫氮杂卓与重氮乙酸乙酯反应，得到非预期的分子内重排的开环产物。

• h atom of phenolic hydroxyl in the ligand was attractive to n atom forming intramolecular hydrogen bond, and a new six-membered ring was formed by the hydrogen bond connection.

  配体中酚羟基上的h原子与n原子相吸形成了分子内氢键，并以氢键连接构成了一个新六元环。

• you should show how much energy the calculated hydrogen-bonding structure is stabilized further than the other structures without intramolecular non-covalent interaction.

  要求我用计算证明带分子内氢键的构象比不带氢键的构象稳定。

• since the quantum tunneling for intramolecular rearrangements in pyramidal molecules was testified in 1927 a lot of work has been done to study the tunneling.

  自从对于锥形分子，其分子内的重新组合的量子隧穿效应1927年被证实以来，人们在研究隧穿效应上做了大量的工作。

• the phenomena of by dtt reduced the aliphatic disulfide bridge between r-pe and apc in the conjugate further verified the intramolecular energy hansfer from r-pe to apc.

  二硫苏糖醇（dtt）对复合物中联结r—pe与apc间的脂族二硫桥键的还原导致分子内能量传递的阻断这一现象进一步证实了复合物中存在分子内能量传递现象。

• by the use of probability method, the sol-gel distribution equations including intramolecular reaction of sol are deduced.

  本文用概率方法推导出包括溶胶中分子内环化反应的溶胶凝胶分配方程。

• in addition, there are intramolecular hydrogen bonds in the structure.

  此外，分子中存在分子内氢键。

• transition-metal-mediated inter-or intramolecular cyclodimerization of alkynes has received considerable attention during the last several decades.

  近年来，过渡金属参与的分子内或分子间的炔烃环二聚反应备受化学家青睐。