The design and structure of nitrogen tetroxide concentration monitor are introduced 摘要介绍了四氧化二氮毒气浓度监测仪的设计思路和组成结构。
Some key points are resolved with advanced software design conception and technology , and a nitrogen tetroxide concentration monitor with sound and light alarm is developed 通过采用先进的软件设计思想与技术,解决了几个关键问题,成功地研制出了具有声光报警功能的高性能四氧化二氮毒气浓度监测仪。
Without using the doping of ge , plasma enhanced chemical vapor deposition ( pecvd ) of thick silica films on si substrates with gas mixtures of sih4 and n2o has been investigated 实验以硅烷和氧化二氮作为反应气体,采用等离子体增强化学气相沉积( pecvd )技术,在单晶硅衬底上制备了用于平面光波导的二氧化硅薄膜。