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。
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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.