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- bond energy of covalent bond [化] 共价键键能
- Relationship between the covalent bond energy of sulfides and their precipitation behavior in steel 钢中部分硫化物共价键能与其析出行为的关系
- Among them, boric acid derivatives with fluorophore may selectively recognize saccharides or hydroxyl compounds through the formation of covalent bond. 糖化学在生命科学中起着非常重要的作用,因此对糖的识别和检测在医学、细胞生物学等领域具有至关重要的意义。
- Since the energy of this radiation is 100 to 72 kcal, it is sufficiently strong to cleave covalent bonds and cause yellowing and embrittlement of organic polymers. 由于这种射线的能量是100到72千卡,它就有足够强的能量来裂解共价键并使有机聚合物变黄和变脆。
- The composition of butadiene polyperoxide is analyzed.The energy of explosion reactions is calculated by bond energy method. 分析了丁二烯聚过氧化物的组成,用键能法计算了爆炸反应能量,结果与实例相符。
- Compounds with bond energy of 180-260 kJ/mol were considered as good initiators for initiated cracking of n-heptane and nitroethane was the best in the used initiators. 以正庚烷为高碳烃的模型化合物,在微反装置上对正庚烷的引发裂解进行了研究。
- The Characteristics of Covalent Bond 三、共价键的特点
- In this paper, the Bond Energy (BE) model is generalized to account for the cohesive energy of metallic clusters by considering the contributions of interior, surface, edge and vertex atoms. 通过考虑团簇的内部原子、面上原子、棱上原子以及顶点原子对团簇结合能的贡献,将键能模型推广至纳米团簇体系。
- To find out the modification method for removing the cyanogens group of ricinine, the basic quantum chemistry parameter of ricinine was calculated and the bond energy of the molecule was analyzed. 摘要 通过计算蓖麻碱的基本量子化学参数和分析蓖麻碱分子的键能，探索除去蓖麻碱分子上氰基团的改性方法。
- Historical Background of Emergence of Covalent Bond Theory 共价键理论提出的历史背景
- As the formation of O-H bond between molecules and separation of bonding electrons, the strengths of covalent bonds of N-O and N-H in the middle molecules of the chain decrease, but those of C-C and C-N increase. 由于分子间氢键的形成,使得成键电子分散,链中间TATB分子的N-O和N-H键的共价键减弱,而C-C和G-N共价键增强。
- The introduction of polymerizable group into the stabilizer molecule could provide the capability of covalent bonding to the polymer chain by copolymerisation with different monomers. 在苯并三唑类紫外线吸收剂分子中引入可聚合的基团使它可以和不同的单体聚合成高分子化合物。
- Polymers consist of long molecular chains of covalently bonded atoms. 高聚物都是由共价链联接原子而形成的长链分子所组成。
- The solar cell can convert the energy of sunlight into electric energy. 太阳能电池能把阳光的能量转化为电能。
- At room temperature, the forbidden band width and stimulus bonding energy of ZnO single-crystal is 3.37eV, 60meV respectively. Some short-wavelength optoelectronic devices can be developed by applying emitting performances of ZnO single-crystal. 室温下;它的禁带宽度为3.;37eV;激子结合能高达60meV;对应紫外光的发射可以开发短波长光电器件。
- 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。
- The investigation results indicated that the calculated binding energy of BCN film depends on reference peak selection, and the correct structures can be obtained when the bonding energy was adjusted by selecting appropriate characteristic peak. 分析结果表明:采用不同校正元素得到的BCN薄膜中元素的结合能差别很大,只有采用合适的元素校正荷电效应才能正确的表征薄膜结构;
- The energy of motion is called kinetic energy. 运动的能量称为动能。
- ANALYSIS OF REASONS FOR ALLEVIATION ON DIFFICULTY OF COVALENT BOND RUPTURE UNDER LIQUEFACTION CONDITION 液化条件下煤中共价键断裂难度降低原因分析
- There is no way to harness the energy of fusion. 无法利用这种巨变能。
