Several Environmental Accounting methods have been developed over the last four decades to assess sustainability options......

提出了一种基于双波长法补偿空气折射率的激光追踪测量系统的ZEMAX仿真分析方法。利用光学器件对偏振光的变换特性来建立系统的能......

We propose a new non-intrusive flow measurement method using the distributed feedback fiber laser (DFB-FL) as a sensor t......

　　The Environment-Enhancing Energy system(E2-E)is a technology that aims to produce energy while favoring the environm......

文章采用小波分析方法对工程爆破中引起的地震动信号能量进行了分析,得出了小波系数与信号能量之间的关系,并用工程实测的数据进行......