bond cleavage
英 [bɒnd ˈkliːvɪdʒ]
美 [bɑːnd ˈkliːvɪdʒ]
键断裂；键劈裂
双语例句
- The energy is dissipated by subsequent bond cleavage reactions into various "daughter ions".
这种能量消耗在后续的键断裂成各种子离子的反应中。 - The results show that with increasing temperature, the rupture rate of C-N bond is faster than that of N-N bond, which verifies that the cleavage of C-N bond is dominant rupture form.
研究结果表明：随着温度的升高，C-N键的断裂速率远高于N-N键的断裂速率，表明C-N键的断裂是HMX的主要断键方式，在C-N键的断裂中伴随着N-N键的断裂。 - Electron exchange between two atoms in excited states and bond cleavage under bond oxygen or oxygen primary with argon ion bombardment are also important surface ionization processes other than the direct ionization of atoms in the surface layers.
通过对离子轰击下固体表面电离过程重新考虑认为，在固体表面覆氧或氧离子轰击下除表面原子的直接电离外，激发态双原子间电子交换和断键亦起重要作用。 - Study on the Mechanism of Selective Carbon-Sulfur Bond Cleavage in Sulfide at Room Temperature
硫醚中碳硫键室温选择性断裂反应的研究 - The Al_2O_3 Catalyzed C& C Bond Cleavage of β-amino Alcohol Schiff Base Derivatives
Al2O3催化下的取代β-羟基胺Schiff碱衍生物的C&C键裂解反应 - However, how the protein accelerates the Co-C bond cleavage and the mechanisms for the coenzyme B_ ( 12)-dependent enzymatic reactions are still unclear now.
蛋白如何加速钴碳-键断裂？以及辅酶B（12）参与的这种反应机理仍然不清楚。 - The current data show that the initial reactions produce lower molecular weight products in which bond cleavage is also promoted by nitrogen occurrence in the molecules.
本文的数据表明：初次反应生成分子量较低的产物，这些分子中氮的存在促进了键的断裂。 - Calculations of C& H bond cleavage reactions of paraffin could be simplified with these functions.
根据这些函数，将计算推广应用到烷烃的C&H键断裂反应及其逆反应，以达到简化计算的目的。 - It is inferred that the three peaks are flavones having two characteristic UV absorbance bands ( 240~ 280 nm and 300~ 400 nm) of flavones, and peaks 1~ 2 produce peak 3 by bond cleavage during drying.
1~3号峰均具有特征性的黄酮化合物的两个紫外吸收带（240~280nm和300~400nm），被推测为黄酮化合物，质谱研究推测1~2号峰发生了苷键断裂生成3号峰。 - The result indicated that, the residual double bond of vicinal diol occur allylic oxidation; on the other hand, the corresponding ether, ester of vicinal diol can not be oxidized cleavage.
研究结果表明：邻二醇物料中残余双键会发生烯丙位的氧化；另一方面，与邻二醇相对应的醚、酯不能被氧化裂解。 - Further study indicate that when the 3,4 position of benzene ring are substituted with methoxy group, the homodimers could be transformed to benzofurans by carbon-carbon bond cleavage in the presence of ferric chloride.
进一步的研究发现，当二聚体的主体苯环的3,4位同时有甲氧基取代时，该二聚体可以在三氯化铁作用下发生碳碳键的断裂并进一步环化生成取代的苯并呋喃化合物。 - The transition-metal catalyzed C-H bond activation and C-C bond cleavage reaction is a hotspot in modern organic synthesis.
过渡金属催化的C-H键羟基化和C-C键裂解的反应是现代有机合成反应的热点研究领域，吸引着越来越多有机化学家的关注。 - The disulfide bond is reduction-sensitive and is prone to rapid cleavage at a time scale from minutes to hours under a reductive environment.
二硫键具有还原敏感的性质，在还原性的条件下能够在数分钟到数小时内断裂。 - Our group got breakthrough in the field of Lewis acid-promoted C-C bond cleavage of oxirane.
我们小组在路易斯酸催化环氧乙烷衍生物C-C键断裂领域做了突破性工作。 - This cascade reaction proceeds with high stereoselectivity through a C-N bond cleavage along with a new C-N bond formation as well as an intramolecular aldol reaction.
这个串联反应涉及到旧的碳氮键的断裂和新碳氮键的形成以及分子内的aldol反应。