The thermal weight loss of asphaltine in the pitch road building oil modified with different additives is studied with derivative thermo - gravimetric analyzer in inert atmosphere.
在惰性气氛中，利用差热分析仪研究了不同添加剂改质煤沥青筑路油中沥青质的热失重情况。
Using the automated mercury vapor analyzer and dynamic flux chamber(DFC) method, the pathways of mercury emissions to atmosphere were measured at a closed landfill in Wuhan, China.
利用自动测汞仪和动力学通量箱技术，对武汉市某生活垃圾填埋场封闭的扩建部分向大气释放汞的途径进行了研究。
A hydrogen analyzer which can be used in atmosphere existing explosive mixtures is introduced.
介绍一种能在具有爆炸性混合物场所使用的氢气分析器。
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