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- infrared gas detection 红外气体检测
- Anti-interference measures for infrared gas analyzers. 红外分析仪的抗干扰措施。
- 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 leading products include infrared gas stove, infrared furnace-head, newly range hood which separetes the oil and smoke, and light-wave sterilizer. 目前公司自主研发生产的主导产品有：红外线燃气灶，红外线炉头，油烟分离新型抽油烟机，光波消毒柜。
- Aiming at the existing problem in conventional infrared gas analyzer,a new dispersive infrared multigas analyzer was developed. 针对传统红外气体分析器存在的问题,研制了一种分光型红外多组分气体分析仪。
- Total organic carbon in soil is analysed with non-dispersive infrared gas analyzer.Discussing determination of the inorganic carbon in soil. 利用非分散红外吸收分析仪器来测定泥样品中的总有机碳,对其中泥样中的无机碳的确定进行探讨。
- The input and output mathematical model of DIGA (Dispersive Infrared Gas Analyzer) system with pyroelectric detector was established according to the design principle of DIGA. 在分光型红外气体分析器(DIGA)设计原理基础上，建立了基于热释电探测器的红外气体分析系统输入输出数学模型。
- 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 input and output mathematical model of DIGA (Dispersive Infrared Gas Analyzer) system with pyroelectric detector was established acco rding to the design principle of DIGA. 在分光型红外气体分析器(DIGA)设计原理基础上,建立了基于热释电探测器的红外气体分析系统输入输出数学模型。
- 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。
- 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。
- 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。
- It is proved that digital filtering method is suitable for decreasing random error of infrared gas sensor,while neural network method is able to fit smooth curves of concentration vs.ratio. 证明数字滤波方法适用于减小红外气体传感器数据的随机误差,神经网络方法可以拟合出平滑的浓度-比值曲线;
- 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。
- Dot Type Infrared Combustible Gas Detection Technology 点型红外可燃气体探测技术
- 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。
- negative-filter type infrared gas analyzer 负滤波式红外气体分析器
- Photoacoustic spectrometry (PAS) is a new method for trace gas detection based on the photoacoustic effect, which has high sensitivity, high selectivity and large dynamic detection range. 光声光谱技术是基于光声效应的一种新型微量气体检测技术，具有灵敏度高，选择性好，动态检测范围大等优点。
- Testing of Portable Infrared Gas Analyzer 便携式红外气体分析仪的检测
