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分析了溴百里酚蓝的气敏作用机理 ,介绍用涂膜法和喷膜法制备溴百里酚蓝气敏薄膜 ,并用单色仪测量溴百里酚蓝薄膜在氨蒸汽中气敏前后的光谱透过特性。
The mechanism of gas sensitization of bromothymol blue was analyzed. The bromothymol blue gas sensing film was prepared by the coating method and spraying method. The bromothymol blue film was measured by monochromator before and after the gas sensitization Spectral transmission characteristics.