internal calibration

Synthesizing the temperature inversion model of infrared colorimetric theory and temperature compensation model of blowing gas, the two-step internal calibration of the measurement system is completed.

并综合比色测温原理的温度反演模型和底吹气体的温度补偿模型，完成测温系统的两步内定标。

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Methods Gene expression associated with vascular channel in osteosarcoma endothelial cell was measured by semi-quantitative reverse transcriptase polymerase chain reaction using the transcriptional level of the house-keeping gene for internal calibration.

方法利用RT-PCR技术对骨肉瘤肿瘤细胞（MG63、U2OS）血管形成相关基因进行检测，并同内皮细胞（ECV304）相比较。

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The paper adopted internal calibration to quantify. The results show that the coefficients of variation of menthol and menthyl acetate was 3.93% and 5.45%, resp.

测定结果的变异系数分别为：薄荷醇3.93%，乙酸薄荷醇酯5.45%。

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