1)bond length键长
1.Calculations of bond dissociation energies and bond lengths of C-H,C-N,C-O,N-N;C-H,C-N,C-O,N-N的键离解能和键长的计算
2.An analystic computional method on the bond length and dissociation energy of H_2~+ ion;氢分子离子H_2~+键长和离解能的一种解析计算法
3.In this paper an equation is given by using relating electronnegativity,the valence electronic number and prin- cipal quantum number,in order to find an easy formula to calculate the bond length of two coupled-atoms diatomic chlo- ride molecule.试用元素电负性、原子价电子数和主量子数为参数建立一个简便公式,用以计算异核双原子氯化物分子键长。
英文短句/例句
1.The Bond Energy/bond Length Index ~mZ And Calculation pKa_1 of Inorganic Hydrides;键能/键长指数~mZ及对无机氢化物pKa_1值的预测
2.Straight-sided internal spline--Length seriesGB/T10081-1988矩形内花键长度系列
3.Find the required length of key based on the torque value of the gross shaft.根据整根轴的扭矩值求需要的键长。
4.A long press on the END/POWER key turns on/off the phone.长时间按终止/电源键可以开机/关机。
5.Invalid Relation definition: different length keys.无效的关系定义: 不同长度的键。
6.The dynamic characteristics are the key issue of long-run refinancing.动态性是长期再融资的关键性问题。
7.The length of the bars of the xylophone determines the different notes of the scale.木琴琴键的长度决定音阶的不同音调。
8.Agricultural investment is the key factor of the increase of farmers? income.农业投入是农民收入增长的关键因素。
9.Growing point is the key to the development of pedagogical theory.生长点是教学论发展的关键问题。
10.Key words: Barrier; Enhancement; Hearing understanding; Hearing level.关键字:障碍;增长;听力理解;听力水平.
11.One of the key problems is to prevent excess growth.一个关键问题就是防止疯长。
12.Research on Key Technologies for ISG Type Hybrid Vehicle of ChangAn;ISG型混合动力长安汽车关键技术研究
13.Large-Scale Crystal Growth System (Equipment) Key Technology Research;大型晶体生长系统（设备）关键技术研究
14.Research on Leakage Localization Gordian Technology for Long Distance Crude Oil Pipeline;长输原油管道泄漏定位关键技术研究
15.Research on Key Techniques of Link Layer 3GPP LTE;3GPP长期演进链路层关键技术研究
16.Discriminating the Key Point:an Effective Tool of Enterprise s Built to Last;识别关键点:企业基业长青的有效手段
17.Study on the Key of the Enterprise Growth -the "Three Forces" Model;企业成长的关键——“三力”模式的研究
18.Application and Study of Uncertain Fingering of "One Tune Many keys" in Flute;长笛一音多键不确定指法的应用研究
相关短句/例句
bond-length键长
1.Three formulas deduced from above model for bond-length, bond-energy and .对氢分子离子提出了氢原子质子化的结构模型 ,从微观时标和宏观时标分析了H2 + 中库仑吸引力和两核排斥力的动态平衡 ,认为氢原子畸变后的电子云在两核中点产生e/ 8的电荷重心时可以束缚住一个裸质子 ;据此推导出键长、键能及力常数的计算公式 ;使用原子单位分别获得Re=2au ,De=0 10 9735au ,k =0 10 9735au ,与实验测定值及Bishop最精确的计算值惊人地接
3)hydrogen-bond length氢键键长
1.Several parameters,such as the C-O bond length and the natural atomic charge on hydrogen atom of car- boxylic group,the hydrogen-bond length and binding energy of hydrogen-bonded complexes,are linearly correlated with known experi- mental pKa values of carboxylic acids.羧基C-O键长、羧基氢自然键轨道电荷以及复合物的氢键键长和结合能等参数,与羧酸pKa实验值具有良好的线性关系。
4)bond lengths键长键角
5)extended bond长键
6)length of covalent bond共价键键长
延伸阅读
键长分子式：CAS号：性质：分子中相邻原子间形成共价键时，两个原子的核间距离称为这个共价键的键长。两个原子在不同分子中形成相同类型的化学键时，键长相近，即共价键的键长有一定的守恒性。实验测定各种共价化合物的键长，取其平均值，即得到共价键键长数据。共价键的键长可以从两个成键原子的共价半径计算得到。但当有离域键或其他复键时，就不能以此计算键长。键长是表示分子几何构型的重要参数之一，根据键长可以了解键的性质。一般来说，两原子间形成的键长越短，键能越大，键越牢固。
