The cutter curve is fitted with the least square method and corrected to assure the corrected generation surface is identical with that of original fitted curve.
The starting curve and size of the die were already designed according to the rheological theory and then corrected with the extruding experiments.
根据流变学理论设计出口模的初始口型曲线尺寸，并进行试挤以修正模头各流道及口型曲线尺寸。
3
Methods:Initial data of samples were corrected with the standard curve which obtained by the standards pre-diluted with matrix solution free of the analytes.