covalent

Chemical modification as manifested in crosslinked enzyme crystal, covalent attachment of polymers and surface modification useful.

尤其在化学修饰方面:交联酶结晶技术 、 多聚体共价结合以及表面修饰等成果显著.

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Further study is needed before the origin of the covalent bond can a settled question.

需进一步深入研究方能解决共价键的起源问题.

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It is suggested that the new value of covalent radii of the noble gases should be used so as to fit the teaching and learning of concept of atomic radii and its shifting rules.

建议采用有实测依据的希有气体原子新共价半径值，以利原子半径概念及其递变规律的教与学。

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Chemical bond mainly includes electrovalent bonds , covalent bonds, and metalic bonds.

化学键主要有离子键 、 共价键 、 金属键.

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Additionally, covalent modifications have effect on the mobility of some proteins.

另外蛋白质的共价修饰可对某些蛋白质的运动产生影响.

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The role of electric spin forming of covalent bond

电子自旋在共价键成键中的作用

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We try to get porous covalent organic framework by teat treatment.

紧接着我们尝试高温热处理来合成多孔有机骨架。

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Supramolecular self-assembly which rely on the non-covalent bond interaction between different molecular units can form highly ordered macromolecular with thermodynamic stability.

超分子自组装是不同分子单元之间依靠非共价键作用组装得到高度有序的热力学稳定的大分子结构。

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Supramolecular liquid crystal Chemistry studies recombination of LC System, which was found by molecules subunit through covalent such as hydrogen bonding subunit 、 ion interaction, charge-transfer interactions, Van der Waals force and hydrophobic interaction.

超分子液晶化学研究分子亚单元通过氢键、离子相互作用、电荷转移相互作用、疏水作用及范德华力等次价键形成的复合液晶体系。

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Study on the Non-Covalent Interaction of 7-Hydroxy Flavone and Its Phosphate with DNA by Fluorescence Method

7-羟基黄酮及磷酰化7-羟基黄酮与DNA的弱相互作用荧光法研究

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This review focuses on how aberrant covalent histone modifications such as acetylation and methylation may contribute to the development of alimentary canal neoplasms.

主要探讨组蛋白共价修饰中乙酰化和甲基化在消化道肿瘤形成过程中的作用。

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In this study, acetylcholinesterase ( AChE) of Curier ( Scomberomorus niphonius) was immobilized by direct covalent combination.

研究采用直接共价法固定鲅鱼乙酰胆碱酯酶（AChE）。

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It'shows that the high Tc superconductors are the crystals with both ionic and covalent properties.

结果表明,高温超导材料属于具有部分离子性和部分共价性的晶体.

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Chemical bond mainly includes electrovalent bonds, covalent bonds, and metalic bonds.

化学键主要有离子键、共价键、金属键。

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The non-covalent interaction of 7-hydroxy flavone and its phosphate with DNA was studied using ethidium bromide ( EB) as a probe.

以溴化乙锭（EB）为荧光探针，研究了7-羟基黄酮及磷酰化7-羟基黄酮与DNA的弱相互作用。

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Ceramics primarily have ionic bonds, but covalent bonding is also present.

陶瓷初始状态是受离子束缚的, 但是还是有共价键结构的.

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Tuning the intermolecular interaction of such kind of tetrapyrrole derivatives can be easily reached by introducing functional groups ( actually additional non-covalent interactions) onto the peripheral positions of porphyrin ring.

所以，调控卟啉类化合物及其衍生物的分子间弱作用可以很容易地通过在卟啉环或其衍生物的外围引入不同的官能团（实际上是通过引入官能团来引入非共价弱作用）来实现。

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Halogen bond is known as a kind of non-covalent intermolecular interaction.

卤键是一种类似氢键的分子间弱相互作用.

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Objective : To confirm whether silybin lecithin complex ( SLC ) is combined covalent bonds or other sub bonds.

目的: 确定水飞蓟宾卵磷脂复合物 ( SLC ) 中水飞蓟宾与卵磷脂之间是以共价键还是以其他次级键结合.

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The results show that it is the smallest number of covalent electrons in d state of fcc-Au among that of the three structures that leads to the biggest single bond radii and atomic volume.

结果表明：OA理论得到的fcc-Au电子结构中的共价d电子数最少，从而导致fcc-Au具有最大的单键半径以及最大的原子体积；

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The following results are achieved: ( 1) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure nA, the elements for matrix-strengthening can be chosen.

结果得出：（1）根据固体与分子经验电子理论，利用偏聚结构单元的最强共价键上的共用电子对数n A，可以选择工模具钢基体相的强化元素；

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To join ( adjacent chains of a polymer or protein ) by creating covalent bonds.

联接通过形成共价键来联接 ( 聚合物或蛋白质的相邻链 )

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This also explains the Glycoconjugate ( Glycoproteins, Proteoglycans, Glycolipids ) Sugar chain of covalent connectivity combination.

这也解释共轭醣 ( 醣蛋白 、 蛋白多醣、醣脂类 ) 醣链上共价性连接结合方式.

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Potential dissociation of the binder can be corrected by using covalent immobilization ( 24 , 25 ) .

结合物潜在的分裂可以用 共价 固定来解决.

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It is almost always the electron-pair donor ( nucleophile ) in a covalent Bond.

在共价键中它总是电子对的施主 ( 亲核试剂 ).

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Covalent produces 60 % of the containers that hold wafers as are turned into computer chips.

共价生产的60%的集装箱持有那些转化为电脑芯片的硅片.

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In covalent bonding, atoms share electrons.

在共价键联中, 原子共有电子.

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Crystals may be classified as either ionic or covalent by analogy with molecules.

与分子的情况一样,晶体也可以分为离子键型和共价键型.

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This use of the materials containing Covalent form by initiating energy form of light oil mask.

这种利用该材料含有的共价键通过能量引发聚合形式而形成光油面膜.

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DNA methylation is a usual covalent modification in eukarya genome and is an important part of epigenetics.

DNA甲基化（DNA Methylation）是真核生物基因组最常见的一种DNA共价修饰形式，是表观遗传学的一个重要方面。

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