The photosynthetic characteristics during development and senescence of sweet potato leaves were measured by using PQW infrared gas analyzer.
利用红外气体分析仪测定甘薯叶片发育和衰老过程中光合特性的变化。
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。
The basic and detection principle of infrared gas analyzer have been introduced in this paper, and its failure analysis and treatment during application have been also discussed.
介绍了红外线气体分析仪的基本原理和检测原理，及其在应用过程中的故障分析和处理。
The performance indexes of infrared temperature monitor and gas analyzer that suited for coal mines were also given.
提出了适合煤矿井下使用的红外测温仪和气体分析器的性能指标。
The performance indexes of infrared temperature monitor and gas analyzer that suited for coal mines were also given.
提出了适合煤矿井下使用的红外测温仪和气体分析器的性能指标。
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