Surface cell Madelung constant is firstly defined in calculating surface free energy of nanosized crystal grains, which explains the physical performance of sma
By extending the EPR bipartite entanglement to multipartite case, we briefly introduce a continuous multipartite entangled representation and its canonical conj
A new mononuclear tin(IV) complex [Sn(edt)2L]·CH2Cl2 (edt = ethane-1,2-dithio- late, L = di-2-pyridyl-ketone p-phenyldiamine) was obtained by a one-pot reactio
Torsional vibration generally causes serious instability and damage problems in many rotating machinery parts. The global dynamic characteristic of nonlinear to
This paper presents a dynamic model of a planar flexible inverted pendulum system under the frame of multi-body dynamics by floating frame of reference formulat
The critical points and time-temperature-transformation (TTT) curves of the isothermal transformation diagrams for a high-speed steel casting on a horizontal ce
武汉市在城市总体规划与土地利用总体规划修编过程中.以建立"一套数据、一个标准、一张图"为核心的"两规"协调成果体系为目标,通过建立协调平台,突出基础数据、建设规模与用
高校后勤社会化变革使得高校后勤服务质量成为衡量高校后勤建设的标准，传统的后勤管理模式已经不能满足现阶段高校师生对后勤建设发展的要求。高校后勤组织需要一套完整的体系
选取珠三角大城市地区作为实证研究对象,通过2005年分县(市、区)1%人口调查数据和五普分县(市、区)人口资料,对珠三角巨型城市地区当前区域格局,包括空间格局、经济格局进行分析,并对2000年以来的区域变迁特征进行解析,其主要方法包括主成分分析和聚类方法。研究结果表明:①整体上而言,珠三角巨型城市地区"核心-外围-边缘"三大地带空间格局依然显著。核心地带主要是分布在珠江口两岸,即传统的都市连绵区: