字典

covalent bond (chemical bond)

covalent bond (chemical bond)


基本解释:共价键(化学键)

网络释义


covalent bond (chemical bond)

1)covalent bond (chemical bond),共价键(化学键)2)length of covalent bond,共价键键长3)bond angle of covalent bond,共价键键角4)bond energy of covalent bond,共价键键能5)covalent bond,共价键6)non-covalent bond,非共价键

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用法和例句


This pa per mainly sums up the formation conditions of different type covalent bonds, it s effects on the quality of compounds and its change rule in element periodic ta ble.无机化学中常见共价键有双电子σ键(包括σ配键)、双电子π键、单电子键、三电子键、离域π键、多中心键、反馈π键(包括d-pπ键、d-dπ键和π←dπ键)等。lJL汉语字典

The result showed that Si--Si covalent bond eAsts in the melt of eutectic and hyper--eutectic alloy and Sr has capability to weaken the coto bond.结果表明,在共晶及过共晶的合的液态结构中,存在着Si—Si共价键,Sr有削弱这些共价键的倾向。lJL汉语字典

Through analysis of four methods for estimation of the percentage of partial ionic property of the two elements in covalent bond,we found the way for estimation of partial ionic property as a new supplemenl to the method for estimation of the percentage of the partial ionic properties by the strength of electronega tivity.通过对四种估算二元异原子共价键的离子性百分数的方法讨论,初步找到估算共价键的部分离子性的思路和方法。lJL汉语字典

Non-covalent bond based self-assembly organic functional materials;非共价键自组装有机功能材料lJL汉语字典

The development of photoluminescent materials was reviewed in thisdissertation, and we designed a novel non-covalent bond self-assembled “molecularduplex” with photoluminescent group.本文综述了有机光致发光材料的研究现状,设计了一种新的非共价键自组装“分子双股”,通过酯基引入 1,8-萘酰亚胺发光片段对“分子双股”进行功能化。lJL汉语字典

Chemical bond mainly includes electrovalent bonds, covalent bonds, and metalic bonds.化学键主要有离子键、共价键属键。lJL汉语字典

In covalent bonding, atoms share electrons.共价键联中,原子共有电子。lJL汉语字典

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lJL汉语字典

a covalent bond in which both electrons are provided by one of the atoms.两个电子都由一个原子提供的共价键lJL汉语字典

Several weak molecular interactions responsible for the maintenance of tertiary structure of proteins are covalent, ionic, hydrogen, and hydrophobic or hydrophilic bonds.一些决定蛋白质三级结构的主要的弱分子作用力为共价键,离子键,氢键,疏水键和亲水键。lJL汉语字典

Both ionic and covalent bonds arise from the tendency of atoms to attain this stable configuration of electrons.离子键和共价键都是由于原子要达到这个稳定电子构型而形成的。lJL汉语字典

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。lJL汉语字典

The attraction between covalent bonds molecules is the interaction of electrical dipole moment.共价键分子间的吸引力是电偶极矩的相互作用。lJL汉语字典

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。lJL汉语字典

Covalent Functionalization of Silica and Carbon Nanotubes with Polyamide 6;聚酰胺6共价键修饰二及碳纳米管研究lJL汉语字典

Covalent bond A chemical bond in which one or more pairs of electrons are shared between two atoms.共价键:一般指两个原子接合时,通过形成共有电子对而产生的化学键。lJL汉语字典

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。lJL汉语字典

A molecule or ion that can combine with another by forming a covalent bond with two electrons of the other.分子,离子可通过两个电子形成共价键而结合在一块的分子或离子lJL汉语字典

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)lJL汉语字典

Review on Acceptability of Scientific Theory--Study about the Accepted Fact of Covalent-Bond Theory科学理论可接受性评说——共价键理论接受的案例研究lJL汉语字典

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。lJL汉语字典

Synthesis and Controlling of Covalent Bonded PMMA/CaCO_3/SiO_2 Composite Particles;基于共价键结合的PMMA/CaCO_3/SiO_2三元复合粒子的制备和调控lJL汉语字典

Construction of Luminescent Rare Earth Covalently Bonded Hybrid Materials by Modifying Bridged Molecules;修饰桥分子来构筑共价键合的稀土杂化发光材料lJL汉语字典