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- fire gases detection 火灾气体探测
- Common photoacoustic gas detection model is not suitable for fire warning because of poor real-time performance and high wavelength qualifications. 摘要普通光声气体探测模型因其实时性能差及波段要求高而不适用于火灾报警系统。
- The fixed gas detection system with automatic self test. 具有自我自动校正功能的固定式气体侦测系统.
- The requirements and principles of using photoacoustic gas detection technique in fire detection area are discussed and an unusual photoacoustic gas detection system is presented. 将可检测极低浓度的某一气体的光声检测技术应用于极早期火灾气体产物的检测是一个新的尝试,将可能实现高灵敏度、高可靠性的火灾探测。
- Making pit geology work well is the basic security of realizing coal mine safety.It's very important to prevent from main calamities such as water fire gas and roof. 搞好矿井地质工作,是实现煤矿安全生产的基本保障,对预防水、火、瓦斯、顶板等主要灾害有着极为重要的意义。
- According to the Beijing Youth Daily, the mine failed to install a gas detection system and explosives were stocked in a storeroom underground. 据北京青年报，煤矿没有安装瓦斯检测系统和爆炸物被放在一个地下库房。
- The data fusion concept is introduced and the Dempster-Shafer evidence deduction is described and applied to oil and gas detection. 信息融合是现代信息技术与多学科交叉、综合、延拓产生的新系统科学研究方向。
- fire & inflammable gas detection system 火灾和可燃气体探测系统
- fire and combustible gas detection system 火气探测系统
- fire and gas detection system(FGS) 火灾和气体报警系统
- In view of many issues from the present gas detection systems,a kind of multi-stage monitoring &management system frame for the coal mine gas safety is designed. 针对目前使用的煤矿瓦斯监测系统存在的种种问题,设计了一种矿井瓦斯远程多级监控监管网络系统构架平台。
- Behaviors of harmonic signals in wavelength modulation spectroscopy (WMS) for gas detection with Lorentzian line under high absorption strength are investigated. 基于洛伦兹线型近似，研究了高吸收强度下波长调制吸收光谱中谐波信号的行为。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- He took out a fire insurance policy for his house. 他为自己的房子办理了一份火险保险单。
- gas detection combined with fire detection 火气合一
- Tight scale is usually a problem encountered in forgings hardened from direct fired gas furnaces having highpressure burners. 用高压炉头直燃煤气炉对锻件进行淬火时，通常会出现鳞片问题。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- According to the bad conditions such as oil field,coal mine in which the instrument was used and the characteristics of NIRS,improved the traditional lock-in amplifier and designed a new one which was fit for gas detection. 由于仪器主要用于油田、煤矿等工作环境相对恶劣的地方,其工作电压不稳定,另外根据近红外光谱的特点,对传统的锁相放大器进行了改进,设计了一种适合瓦斯气体浓度检测中的锁相放大器。
- The kettle was boiling away merrily on the fire. 壶水烧开了咕嘟咕嘟地滚泡。
- A crowd gathered at the scene of the fire. 许多人聚集在火灾现场。
