本文分析了电位器接触电阻变化率(CRV)测量的难点，提出了一种行之有效的方法——准包络测量法。
This paper analyses the difficulty in potentiometers' Contact Resistance Variation (CRV) test, and introduces an effective test method-Qarsi-Envelope test method (QETM).
加压生物接触氧化法通过简单的“加压”方式有效提高了污染物去除率。
The pressure biological contact oxidation process (PBCO) can effectively increase the pollutant removal efficiency by simple pressurized way.
生物酯的涂覆能有效地降低棒材表面接触角且能有效降低壳聚糖棒材的吸水率。
Bio-ester solution coating was adopted as the method of surface hydrophobic modification of chitosan rod.
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