• "One - pot" carbon - carbon double bond formation.

    ”法的-双键形成反应

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  • Fluorinated carbon - carbon triple bond formation.

    -的合成方法学。

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  • Describe peptide bond formation and its structure in great detail.

    详细描述形成与其结构

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  • The compounds play a favourable role in the auxoaction for the bond formation of C-C and C-N.

    将该肟膦化合物用作配体,可分别C-CC-N形成起到好的促进作用

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  • Ring closing metathesis (RCM) of dienes to cycloalkene provides an important tool for C-C double bond formation catalyzed by metal carbene.

    关环转换反应是形成双键重要反应之一,即烯化合物金属催化下关环得到环烯类化合物。

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  • The transition can be achieved by a combined effect of the broken mirror symmetry and bond formation between the flattened faces in the squashed nanotubes.

    这种转变两种因素共同作用得以发生,即外加压力造成纳米管镜像对称破缺以及压碳纳米管两侧原子发生成键相互作用。

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  • As an important approach of carbon-carbon bond formation and carbon-heteroatom bond formation, photochemistry of organic halides has been studied extensively.

    有机卤代物光反应作为构建-碳碳-杂原子键的一种重要途径已经得到广泛和深入研究

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  • The review deals mainly with the application of organoboron reagents including aikylboranes, vinylborancs and some organoborates in carbon-carbon bond formation.

    本文主要介绍有机硼试剂包括烷基,烯基硼烷及一些四价硼酸盐类碳碳键形成中的应用

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  • Recently years, the assembly of supramolecular compounds having special structure and function from simple building blocks directed by hydrogen bond formation has attracted widespread attentions.

    利用氢键将有机小分子建筑组装具有特定结构超分子成为近年来十分活跃的研究领域。

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  • Artificial lights block formation of molecules that bond with air pollutants to clear the air.

    人工照明系统阻碍空气污染物分子结合,起到了净化空气的作用。

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  • Electrovalence: valence characterized by the transfer of electrons from atoms of one element to atoms of another during the formation of an ionic bond between the atoms.

    电价:在原子形成离子键过程中电子元素的原子转移种元素原子所表示的价。

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  • Bond-parametric function and size-factor are used to study the formation law of alloy quasicrystals based on the fourth long period transition metals.

    利用键参数函数尺寸因数第四周期过渡族金属元素基准形成规律进行研究

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  • There are two general methods for the formation of peptide bond, i. e. amino activation or carboxylic group activation.

    形成基本方法,可以活化氨基也可以活化羧基,但是迄今为止普遍使用的都是活化羧基的方法。

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  • DAST is one of the most important fluorinating agents in this century. This paper has summarized the recent advances in the formation of C-F bond by DAST.

    DAST试剂本世纪开发重要的氟化试剂之一,本文综述利用该试剂形成碳-氟的新进展。

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  • The key reactions included the formation of 9, 15-cyclopropyl function and double bond migration in the a ring to reestablish the GA skeleton.

    合成工作关键9,15丙基形成重建GA骨架a环中双键的重排反应

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  • When using CBL-VDL logging information to carry out cement bond evaluation, formation wave energy is major sign to reflect the second interface cement degree.

    利用CB L-VDL测井资料进行水泥胶结评价时,地层能量反映第二界面水泥胶结好坏的主要标志

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  • Therefore, the spin pairing is not cause of the formation of covalent bond, it is not also condition of first determining, the spin pairing is the only particularity of covalent bond of two electrons.

    因此电子配对不是共价键形成原因不是先决条件,电子自旋配对只是双电子共价键的一个特点。

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  • Hydrogen bond, hydrophobic interaction and electrostatic interaction were major forces in the formation of SPI gels.

    氢键疏水相互作用静电相互作用形成大豆分离蛋白凝胶主要作用力

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  • The effect of carbon content of the base metal on the welded bond structure, formation mechanism of the "austenitic-rich zone" and "hydrogen-induced disbonding" etc.

    研究了母材含量熔合形态影响、“富奥氏体区”形成机理剥离开裂”产生机理

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  • A C-F cleavage reaction was found when using ortho-fluoro substituted benzonitrile, which resulted in the formation of new C-C bond.

    发现反应邻位氟取代为底物的情况下,-氟可以被打断并有效地形成碳-碳键。

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  • According to the experimental and calculation results, the enthalpies of formation of the ions and some bond energies have been evaluated.

    结合实验理论计算结果,估算了离子标准生成焓和键解离能。

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  • In case the modifier contains special molecular structure that facilitates the formation of hydrogen bond, the extraction yield will increase.

    夹带剂中易形成氢键特殊分子结构,可提高萃取

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  • The UV absorption spectrum shows that the interaction between gossypol and DNA does not result in the formation of a covalent bond or a charge transfer complex.

    紫外吸收光谱显示DNA相互作用没有共价键形成。 也不生成电荷迁移络台物。

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  • The formation of peptide bond starts with reactionof a protected amino acid molecule with chloromethyl group on thesurface of the polystyrene polymer.

    在去除保护官能基之后,一个个新的氨基酸分子便产生来增加其化学键

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  • The variation of heat of formation and O-H bond lengths with the adsorption distance have been calculated . The results show that there are two active adsorption site on the model zeolite.

    通过模拟计算确定两个低能吸附位点相应吸附结果实验值非常接近。

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  • O. M. were also discussed. The results indicated that formation of intermolecular hydrogen bond between them was the main interaction of the complex, and it was not neglectful.

    初步讨论了有机小分子体系影响,结果表明分子氢键主要作用力不容忽视。

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  • O. M. were also discussed. The results indicated that formation of intermolecular hydrogen bond between them was the main interaction of the complex, and it was not neglectful.

    初步讨论了有机小分子体系影响,结果表明分子氢键主要作用力不容忽视。

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