brickyard mixer

Optimization of five gas admixtures in a CO_2 laser;

CO_2激光器五种混合气体压强优化

The principle and type of proportional gas mixer which was used in the modified atmosphere packaging machine were summarized.

综述了气调保鲜包装机中气体比例混合器的原理、类型及气体混合配送技术,研究了应用气体比例混合器的新技术实现不同比例气体的调节与组合,连续不断地供给气调保鲜包装机,适应各种被包装物品的保鲜包装要求。