The subject analyzes the status quo of transport packaging test technology at home and abroad, and designs the controller of data record system for transport packaging based on single chip microcomputer. The system has the peculiarity of mass-storage, low power and low costs. 本课题对运输包装测试现状进行了分析,设计了一款基于单片机的运输包装数据采集系统,它具有大容量、低功耗、低成本等特点。
The process has its competitive advantages in treating the coal mine drainage as low investment, low operating costs, less floor area and easy management. 该工艺一次性投资少、运行费用低、占地面积小、运行管理方便,在处理煤矿矿井废水方面具有较强的竞争优势。
Laser welding tailored blanks ( LWTB ) is good of low tare, low production costs and high productivity, it has been widely studied on automotive industry. 激光拼焊板具有车身质量轻、生产成本低、生产率高等优点,在汽车制造中具有很大的应用价值。
All-vanadium redox flow battery is a new energy storage system developed quickly in recent years. It has some special properties such as high storage efficiency, long service life, environmental friendly, low price, and low costs of operation and maintenance. 钒电池是近年来开发出的一种新型储能电池,因其能量效率高,使用寿命长,对环境友好以及价格便宜,操作和维护费用低等诸多特点,得到了迅速发展。