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用热重分析技术研究了3种烧蚀材料的热失重信息，分别用直接法和差减微分法确定了其分解动力学参数．并以CaCO3为已知动力学参数的标准物对这2种方法作了标定．
The thermogravimetry (TG) technique was used to study the TG data of the three kinds of ablative materials. The decomposition kinetic parameters were determined by the direct method and the differential subtraction method respectively. The two methods were calibrated with CaCO3 as the standard of known kinetic parameters.