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1)  (Urban and Rural Potential)
城乡势能
2)  the urbanization potential
城镇化势能
3)  duality in environmental trend between cities and countryside
城乡环境二元趋势
1.
This urban-centered legislation and the serious lack of substantive freedom for farmers has become the root cause for duality in environmental trend between cities and countryside.
近年来,我国"城市环境趋向好转,农村环境不断恶化"这种城乡环境二元趋势的凸现,提出了城乡环保一体化的客观要求。
4)  urban area position potential energy
城市区位势能
1.
Authors analyzed the phenomenon of direct proportion relationship between road network density and area position potential energy from the point of view of area position potential energy,and studied the road network density planning method based on urban area position potential energy.
从城市区位势能角度出发,分析路网密度和城市区位势能成正比的现象,进而研究了基于城市区位势能的路网密度规划方法。
5)  Urban Comprehensive Potential Energy
城市综合势能
6)  City and country
城乡
1.
Evaluation of Effects about Different Education Models of Self-Management Training on Diabetes between the Community of City and Country;
糖尿病自我管理方法不同教育模式在城乡社区应用的效果分析
2.
The surveys of high serum level of lipid,glucose and uric acid in Quzhou city and country;
衢州市城乡人群高血脂、高血糖、高尿酸血症的调查
3.
There is a big income gap between the city and country in our country currently.
我国目前存在较大的城乡收入差距。
补充资料:LEP势能面
分子式:
CAS号:

性质:伦敦(London)最早把量子力学的玻恩-奥本海默近似用于化学反应。对X+Y—Z(三原子体系)→X—Y+Z反应,他提出了伦敦方程计算相互作用势能V:V=QXY+QYZ+QZX±{1/2[(JXY—JYZ)2+(JYZ—JZX)2+(JXZ—JXY)2]}=Q±J式中Qij为库伦能(积分)和Jij为交换能(积分)(i,j分别代表X、Y、Z),均为核间距的函数。上式远不能得到合乎要求的结果。艾林和波拉尼提出了一个半经验方法,根据XY、YZ、ZX的光谱数据得到Qij和Jij。如对Ha+HbHc选择QHH=0.14V可得与该反应活化能符合得很好的理论结果,据此方法制得的势能面即LEP势能面。但鞍点区出现一小谷,这是其不足之处。

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