Effect of LED Light with Different Ratios of Red to Blue Light on Growth and Quality of Lettuce Lettuce was used as maternal and different ratios of red to blue Light were set to investigate the ef……

Drug vial cooler with PID control Specification Supply voltage: DC12V Output: DC12V—5A/MAX Temperature setting range: -20°C ~ 110°C Temperature accuracy: 0.1°C/-9.9°C~99.9°C, 1°C/other temper……

How To Measure Humidity Humidity is the amount of water vapor present in the air at a particular time. There is no one standard humidity level in the air as it is determined by several factors. Tem……