elevati相关论文
Recent years have witnessed progress in our understanding of coronary vasospasm(CVS).It is evident that this is not only......
Soil depth generally varies in mountainous regions in rather complex ways.Conventional soil survey methods for evaluatin......
A series of CexPr1-xO2-δ (x=0, 0.5, 0.9, 1.0) mixed oxide calcined at different temperatures were synthesized by sol-ge......
A numerical wave model based on the modified fourth-order nonlinear Schroe dinger equation(mNLSE) in deep water was deve......
被动声定位技术是空中炸点探测的一种有效手段。采用三个立体五元阵构建了被动声定位系统,使用各个基阵的方向线异面交会并取三角......
介绍了利用经纬仪测量竖直角和中丝读数 ,推导出两点间的水平距离和高差的计算方法 ,该法与常规视距测量相比 ,推导严谨 ,实测精度......
文章介绍了智能控制在电弧炉炼钢过程电极升降控制中的应用.运行结果表明,这种控制具有良好的鲁棒性,并能获得满意的控制效果.......
Leaf macro-and micro-morphological altitudinal variability of Carpinus betulus in the Hyrcanian fore
We investigated the altitudinal variation of Carpinus betulus L. in the Hyrcanian forest using leaf macro-morphological ......
通过实地考察,对贺兰山植物多样性特点进行了系统研究。研究结果表明,贺兰山植物多样性主要表现为植物种类丰富多样、区系地理成分......
DAILY HEALTH PRESERVATIONDaily health preservation refers to therational life regime with a regular daily life.This meth......
基于广州雷达一次天线动态错误的故障,将伺服系统分为机械、功放、通信链路和信号控制四个部分逐一分析排查,最后利用雷达数据处理......
针时银川北二环一号桥的具体特点，在主梁标高控制、斜拉索索力测试和控制、主梁截面应力监测等方面作了详细的陈述。为同类型桥梁的......
Introduction: Fulminant hepatitis is a very rare disease that occurs as an acute liver failure within eight weeks of the......
利用RTK进行多波束水深测量时,GPS高程在提供瞬时垂直基准方面起着重要的作用。海上实际作业过程中,GPS信号经常会发生失锁现象,造......
The retrieval of the nonlinear random waves from the non-Gaussian characteristics of the sea surface
In this paper, without recourse to the nonlinear dynamical equations of the waves, the nonlinear random waves are retrie......
大底盘多塔楼结构是底部相连上部分开的一种复杂结构形式。本工程由于立面收进要求采用竖向搭接转换块，目前对竖向搭接转换的结构研......
