The measuring method of sand compactability in laboratory is analyzed,and a fast measuring method is designed,and the intelligent instrument for fast measuring sand compactability are developed.

分析了铸造行业型砂紧实率现有测试方法,提出了机电一体化的型砂紧实率快速智能测试方法,并据此研制成功了便携式型砂紧实率快速智能测试仪。

An intelligent instrument to predict the infection of pear leaves by pathogen of Venturia nashicola was designed based on 89C51 single chip and SHT15 smart temperature and humidity sensor.

摘要以89C51为控制核心，采用SHT15智能温湿度传感器，设计了一种梨黑星病菌侵染测报器。