Methods: 7 common-used nonmetal materials were burned in the combustion test box; and qualitative analysis was done by detective apparatus and GC-MS.
方法：将7种常用非金属材料在燃烧试验箱中燃烧，用检测仪器和GC - MS进行定性分析。
In addition, the color changing toy can also be used for a qualitative demonstrating apparatus simulating color light combining or a color sample plate.
另外，它还可用作一种模拟色光组合的定性的演示用具或者用作一种颜色样板。
The apparatus featured fast, short cycle, and can be used for qualitative and quantitative analysis.
所检测的数据能连续记录，其速度快，测试周期短，且能定性和定量地进行监测。
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