covalent的例句大全

Empirical formulas for calculating covalent bond length

计算共价键长的经验公式

The atom that contributes no electrons to a covalent bond.

受体没有给共价键提供电子的原子。

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

需进一步深入研究方能解决共价键的起源问题。

A substance that provides a pair of electrons for a covalent bond with an acid.

能够提供一对电子给一个酸形成共价键的化合物。

Composite structural model containing covalent bond cross-linking non-chemical bond association is proposed for sedimentary organic matter.

根据溶胀-抽提机理研究分析，作者首次提出了沉积有机质中包含共价键交联结构和分子间非化学键缔合结构在内的新的复合结构模型。

A covalent bond is any time we have a pair of electrons that is shared between two different atoms.

所谓共价键就是我们有两个原子，共用一对电子。

The exploration on ionicity standard in covalent bond

共价单键离子性标度的探讨

The results show: their bond order of Al and covalent bond order of Al-O bond are alike;

研究结果表明：两者结构中Al的键级和Al&O键共价键级大致相同。

The ability of an atom to attract electrons, and in particular, in a covalent bond.

原子对电子的吸引能力，特别是在共价键中。

So natural HA is chemically modified in the study and the methods include ion cross-linking and covalent bond cross-linking.

为此，本课题对天然的HA采用了离子交联法和共价键交联法进行了化学修饰，目的是延长HA在体内的滞留时间，并对两种交联方法进行了对比实验研究。

Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent Bond.

过氧化物：任何由两个氧原子以单个共价键相互结合在一起的一类化合物。

Preparation of Supported Acidic Ionic Liquid by Covalent Bond Grafting and Its Catalysis in Synthesis of n-Butyl Acetate

键合接枝法制备固载酸性离子液体及其催化合成醋酸丁酯

Theoretical Study of the [ 60] Fullerene Sulfur-bridge Covalent Bond Linked Tetrathiafulvalene Derivatives

富勒烯C（60）硫桥键联四硫富瓦烯衍生物的理论研究

Considering when most of different atoms combine together, the covalent bond and the electrovalent bond are concomitant.

考虑到大多数异类原子结合是采取共价结合与离子结合之间的过渡形式。

Relationship of Forming of the Covalent Bond and the Hybridized Orbits of Diamond to Halo Circle of Hard superhard Materials

金刚石共价键及其杂化轨道的形成与硬&超硬材料晕圈图和新元素周期表的关系

A nonpolar covalent bond happens when both atoms have the same strength of electric attraction for the shared electrons.

两个原子对共用电子对具有相同的引力时，则形成非极性共价键。

A novel method of immobilizing indicators by combining microemulsion polymerization with covalent bonding was developed.

提出了采用微乳液聚合技术与共价键合技术相结合的新方法来固定指示剂染料。

HSPGs are glycoproteins mainly consisting of a protein core and side chains of several linear heparan sulfate ( HS) covalent linking to the protein core.

HSPGs主要由一个蛋白核心和数个与之共价连接的线性硫酸乙酰肝素（Heparan Sulfate，HS）侧链组成。

Ammonium acetate and ethylene glycol played a key role during the formation of the structures. Ethylene glycol adsorbed on the surface of ZnO grain with the help of covalent or coulomb interaction and inhibited the growth of ZnO crystal.

乙二醇和醋酸铵在两种结构的形成过程中起关键作用，乙二醇通过共价键或者库仑作用吸附在ZnO晶粒的表面，对晶体的长大起抑制作用。

As an ideal covalent system, carbon chain, a rigid linear chain of monatomic carbon atoms, is expected to function as the component of molecular devices due to their exceptional physical and chemical properties.

作为极其理想的一维共价体系，由碳单原子严格排列组成的碳链，拥有独特的物理和化学性质，被认为是构造分子和原子器件的理想功能材料。