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- Tending to attract electrons to form a chemical bond. 负电极的有吸引电子以形成化学键的倾向的
- What's the nature of chemical bond? 什么是化学键的本质?
- A chemical bond or link created by cross-linking. 交键通过交联形成的化学键
- Tending to release electrons to form a chemical bond. 有释放电子以形成化学键倾向的
- Sanderson, R. T., "Chemical Bonds and Bond Energy, "Academic Press (1971). 此处之能障分类论点系由清华大学储三阳教授指导提出。
- IR spectrum showed that the chemical bond was formed between PU and EP. 傅立叶红外光谱分析显示出了环氧树脂与水性聚氨酯之间存在化学键的连接。
- A chemical bond. 化学黏合剂
- Nanotubes are stronger than metal because the chemical bond holding them together is stronger. 纳管之所以比金属硬,是因为把碳原子连在一起的化学键更强。
- In attempting quantitative quantum mechanical treatment of chemical bonds, approximations must be made. 在试图定量地用量子力学去处理化学键时,人们必须采用近似法。
- Devise reagents and pathways for breaking into chemical bonds previou- sly considered to be inert. 设计反应物和反应途径以打断原先认为是惰性的化学键。
- Heat causes the chemical bonds in cells to break down, a disruption that can be a potential trigger for cancer. 热会导致细胞内化学键的断裂,这种破坏可能是癌证的潜在诱因。
- The nature of chemical bond of halide and chalcogenide glasses was discussed in terms of the che-mical bond approach. 本文采用化学键方法对卤化物及硫卤玻璃的化学键特性进行了探讨。
- 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。
- Chemical bond mainly includes electrovalent bonds, covalent bonds, and metalic bonds. 化学键主要有离子键、共价键、金属键。
- XRD, EDX, SEM and FTIR were used to characterize the structure,composition, morphology and chemical bonds of the samples. 应用 X 射线衍射(XRD)、扫描电子显微镜(SEM)、能谱(EDX)和红外光谱(FTIR)等分析手段对试样的相组成、形貌、成分、价键结构等进行了分析;
- The amphiphilic particles prepared by these methods contain hydrophilic and hydrophobic chains combined by chemical bonds. 这个课题的主要目的是通过超浓乳液聚合的方法制备具有疏水核/亲水壳的双亲性胶体粒子。
- The FT-IR indicated that the modifers were combined to the surface of anhydrite powder by chemical bond. FT-IR分析表明,硬脂酸与硬石膏的表面以化学键结合。
- The cleavage and formation of the chemical bonds in the reaction pathway have been discussed by the topological analysis of electronic density. 对反应过程中若干关键点进行了电子密度拓扑分析,讨论了反应进程中键的断裂、生成和化学键的变化规律。
- The chemical bond water, tar, partial sulfur and gas escape from coal during rapid pyrolysis. 煤在快速热解过程中脱除热解水、焦油、部分的硫和煤气。
- The FT-IR indicates that the networks of PU and EP have formed respective,and there are no chemical bonds between PU and EP. 红外分析表明,样品中PU与EP各自的交联网络均已形成,且二者之间不存在化学键的结合;