单词covalent bond的英汉翻译


covalent bond


    n.[化]共价键







单词covalent bond的英汉对照例句


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
A molecule or ion that can combine with another by forming a covalent bond with two electrons of the other.
共价键分子间的吸引力是电偶极矩的相互作用。
The attraction between covalent bonds molecules is the interaction of electrical dipole moment.
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。
Peroxide: any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent bond.
化学键主要有离子键、共价键、金属键。
Chemical bond mainly includes electrovalent bonds covalent bonds and metalic bonds.
例如溶解温度或ph值相对很小的变化可能导致变性,这种特性通常不破坏共价键。
Relatively small changes in solution temperature or ph for example may cause denaturation which usually occurs without severing covalent bonds.
两个电子都由一个原子提供的共价键。
A covalent bond in which both electrons are provided by one of the atoms.
能够提供一对电子给一个酸形成共价键的化合物。
A substance that provides a pair of electrons for a covalent bond with an acid.
受体没有给共价键提供电子的原子
The atom that contributes no electrons to a covalent bond.
需进一步深入研究方能解决共价键的起源问题。
Further study is needed before the origin of the covalent bond can be considered a settled question.
一般来讲,离子反应的速率就很快,而要形成或打破共价键的反应就比较慢。催化剂通常能提高反应速率。对反应速率的预测,测量和作出解释是化学中的一个分支化学动力学的主题。
In general the reactions of ions occur very rapidly but those in which covalent bonds are formed or broken are slower.catalysts usually accelerate reaction rates.the prediction measurement and interpretation of reaction rates are subjects of the branch of chemistry known as chemical kinetics.see also mass action law of.
一般来讲,离子反应的速率就很快,而要形成或打破共价键的反应就比较慢。催化剂通常能提高反应速率。对反应速率的预测、测量和作出解释是化学中的一个分支化学动力学的主题。
"In general the reactions of ions occur very rapidly but those in which covalent bonds are formed or broken are slower.catalysts usually accelerate reaction rates.the prediction measurement and interpretation of reaction rates are subjects of the branch of chemistry known as chemical kinetics.see also mass action law of."
在一个共价键中,两个原子共用一对紧密结合在各自电子轨道上的电子;在一个双键中,有两对电子共用。
In a covalent bond two atoms share a pair of electrons knitting together the respective electron orbitals.two electron pairs are shared in a double bond.
自1912年德国的alfredstock合成b_2h_6、b_4h_(10)、b_5h_9、b_6h_(10)等一系列硼烷以来,大量关于硼烷及其衍生物被合成出来。
A large number of boranes and their derivatives have been synthesized since1912after alfred stock synthesized a series of boranes such as b2h6 b4h10 b5h9and b6h10.as electron-deficient compounds the features of special covalent bonds of borane have led to increase research interest of chemists a lot of studies on molecular structures and characters of chemical bond of boranes and their derivatives have been reported.

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