The traffic volume and the number of heavy vehicles are growing continuously. Considering the continuous traffic flow an......

This paper presents a novel,fully integrated transmitter for 3-5 GHz pulsed UWB.The BPSK modulation transmitter has been......

When the IMF turns southward, a great amount of magnetic energy is stored in the magnetotail, and the electric field acr......

分析了发动机缓速器的工作过程，建立了发动机缓速器的数学模型，采用仿真计算及试验测量的方法对发动机缓速器的功率调整方法和制动性......

在行星齿轮传动的基础上提出了一种用于大功率风电机组的新型液力速度控制传动系，它包括风轮转子、行星齿轮增速机构、液力机械和同......

介绍了八钢股份公司小型材厂开发热装热送的工艺设计和设备情况及取得的显著的经济效益.同时指出了实现热装热送工艺的难度和问题.......