The development of specialty agriculture is of great significance to western China's agricultural structure adjustment,and it's an essential way for the construction of ecological agriculture in Southern Ningx...The development of specialty agriculture is of great significance to western China's agricultural structure adjustment,and it's an essential way for the construction of ecological agriculture in Southern Ningxia mountainous area.This paper makes a summary about the development status of specialty agriculture in Southern Ningxia Mountainous Area and put forward the basic benefit goal and problems needing attention.On this basis,the paper studies the development pattern of specialty agriculture in Southern Ningxia Mountainous Area from the aspects of production factors and industry.This paper suggests that the development pattern of specialty agriculture in Southern Ningxia Mountainous Area should combine the regional agricultural pattern and innovative organization structure pattern,demonstration agriculture and market-directing pattern,engineering agricultural pattern and enterprise-driven pattern.The development of specialty agriculture in Southern Ningxia Mountainous Area should promote the three patterns,in order to achieve the construction of ecological agriculture and agricultural structure adjustment.展开更多
为解决煤矿采空区电力杆塔稳定性差,容易因杆塔倾斜造成扩大事故的问题,设计了基于DSP2812芯片的电力杆塔倾斜预警测量装置。该装置将监测到的杆塔倾斜度与线路设计参数进行综合比较,完成电力杆塔倾斜度、倾斜角的预警,并通过全球移动...为解决煤矿采空区电力杆塔稳定性差,容易因杆塔倾斜造成扩大事故的问题,设计了基于DSP2812芯片的电力杆塔倾斜预警测量装置。该装置将监测到的杆塔倾斜度与线路设计参数进行综合比较,完成电力杆塔倾斜度、倾斜角的预警,并通过全球移动通信系统-通用分组无线服务技术(global system for mobile communica-tions-general packet radio service,GSM/GPRS)无线模块将数据上传到上位机,实现对煤矿采空区电力杆塔的实时监测和预警。展开更多
基金Supported by National Natural Science Foundation of China(41171449)
文摘The development of specialty agriculture is of great significance to western China's agricultural structure adjustment,and it's an essential way for the construction of ecological agriculture in Southern Ningxia mountainous area.This paper makes a summary about the development status of specialty agriculture in Southern Ningxia Mountainous Area and put forward the basic benefit goal and problems needing attention.On this basis,the paper studies the development pattern of specialty agriculture in Southern Ningxia Mountainous Area from the aspects of production factors and industry.This paper suggests that the development pattern of specialty agriculture in Southern Ningxia Mountainous Area should combine the regional agricultural pattern and innovative organization structure pattern,demonstration agriculture and market-directing pattern,engineering agricultural pattern and enterprise-driven pattern.The development of specialty agriculture in Southern Ningxia Mountainous Area should promote the three patterns,in order to achieve the construction of ecological agriculture and agricultural structure adjustment.
文摘为解决煤矿采空区电力杆塔稳定性差,容易因杆塔倾斜造成扩大事故的问题,设计了基于DSP2812芯片的电力杆塔倾斜预警测量装置。该装置将监测到的杆塔倾斜度与线路设计参数进行综合比较,完成电力杆塔倾斜度、倾斜角的预警,并通过全球移动通信系统-通用分组无线服务技术(global system for mobile communica-tions-general packet radio service,GSM/GPRS)无线模块将数据上传到上位机,实现对煤矿采空区电力杆塔的实时监测和预警。