It has developed the test method of 13 organophosphorus pesticides in water by disk SPE followed by gas chromatography with flame photometric detector.
建立了圆盘固相萃取-气相色谱-火焰光度检测器测定水中13种有机磷农药的分析方法。
The accuracy can be optimized by strengthening quality control of critical factors in the process of test of ammonia density in indoor air with indophenol blue photometric method.
通过对室内空气中氨的靛酚蓝分光光度法检测的整个相关过程的影响因素进行质量控制，从而提高室内空气中氨浓度检测的准确性。
The main contents of standard "Nighttime Photometric Performance and Test Methods of Retro-reflective Pedestrian Markings", are the test principium, points and steps of the retro-reflective markings.
国标《行人反光标识夜间光度性能及测试方法》的主要内容包括行人反光标识夜间光度性能的测试原理、测试要点和测试步骤。
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