试验结果表明：水洗及酸洗可使水稻秸秆的热解主反应区热重和微分热重曲线向高温侧移动，最大失重速率和最大失重温度升高；
The results showed that water and acid wash can make TG and DTG curves of rice straw pyrolysis shift to higher temperature section, and the maximum weight loss rate and temperature increased.
用热重（TG）和微分热重（DTG）法对优质和劣质PVC管进行温度扫描，并用扫描电镜（SEM）观察其微观形貌，从而鉴别出劣质PVC管和优质管的差异。
TG-DTG and SEM techniquies were used to study the quality of PVC tubes to obtain data of thermal analysis and SEM image. The technigues can distinguish superior PVC tubes from inferior ones.
用热重（TG）和微分热重（DTG）法对优质和劣质PVC管进行温度扫描，并用扫描电镜（SEM）观察其微观形貌，从而鉴别出劣质PVC管和优质管的差异。
TG-DTG and SEM techniquies were used to study the quality of PVC tubes to obtain data of thermal analysis and SEM image. The technigues can distinguish superior PVC tubes from inferior ones.
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