【Key words】 polyester fiber-reinforced asphalt concrete; weighing content; low temperature; stiffness modulus
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In organic solvent to dissolve fat, with extraction that fat is separated from the solvent, and then drying, weighing, calculate the fat content.
在有机溶剂下溶解脂肪，用抽提法使脂肪从溶剂中分离出来，然后烘干，称量、计算出脂肪含量。
Through the content above, the application of high accuracy automatic weighing system is successfully realized in industry control field.
并通过以上内容，实现高精度自动称量装置在工业控制领域的成功应用。
The content of nitrogen and chlorine in fertilizer is usually measured, but routine analysis method needs weighing twice, consuming long time and strict condition.
化肥中氮和氯的含量是经常需检测的指标，但常规分析方法为两次称量，耗时长，条件控制严格。
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