Carbon can extend four bonds , making it very versatile chemically to become a fundamental element of life on earth 化学上，碳原子可以形成四个化学键，因此可与不同元素结合，亦使碳成为地球上生命的基本元素。
Carbon can extend four bonds , making it very versatile chemically to become a fundamental element of life on earth 化学上，碳原子可以形成四个化学键，因此可与不同元素结合，亦使碳成为地球上生命的基本元素。
Such association interactions have a great impact on the early evolution of the organic matter and immature oil formation 大量非化学键缔合结构的存在对有机质的早期演化、未熟低熟油气的生成具有重要的影响。
Imagine that the heavy positive ions of the crystal lattice are held in place by strong springs ( the chemical bonds ) 想像在晶格中，质量比较大的正离子被强力弹簧（代表化学键）所束缚，而热能会激发离子以某些特定的频率振动。
Of particular concern is the sun ' s high - energy ultraviolet ( uv ) light , which breaks the bonds that hold together the carbon atoms of organic molecules 其中，太阳所放射的高能紫外光，格外引人关切，它会切断有机分子中碳原子彼此连接的化学键。
Non - chemical bond association structures in fanzhi brown coal and their evolution were studied by the integration of hydrous pyrolysis and cs2 / nmp extraction 摘要采用热模拟实验与cs2 / nmp混合溶剂抽提相结合的方法对繁峙褐煤中的非化学键缔合结构及其演化特徵进行了研究。
The analysis of the dissociation energy indicates that five structures were linked by the strong interaction , other two structures were linked by chemical bond . 1 . 3 分析了它们的离解能，表明存在5种构型以较强的相互作用相结合，而另2种构型则是以化学键的形式存在。
Abundant non - chemical bond association interactions are existed in fanzhi brown coal and the association interactions will change in the thermal evolution 研究结果表明：繁峙褐煤中含有大量的非化学键缔合结构，在有机质的演化过程中，非化学键缔合结构也进行著同步的演化。
Cfc molecule consisting of chlorine , fluorine , arid carbon atoms can be broken apart by ultraviolet light , which destroys the bond between a chlorine atom and a carbon atom 一个由氯、氟和碳组成的氯氟化碳分子能被紫外线光分解，这破坏了一个氯原子和一个碳原子之间的化学键。
Differential thermal analysis ( dsc ) indicates that acid - anhydride reacts with amidogen in nylon 11 to form chemical bond and boost up bonding strength of interface Dsc分析表明，接枝物中的酸酐基团与尼龙11中的氨基发生反应，形成化学键，使得界面粘接力增强，从而使冲击强度得到提高。
