通过对装置进行试验，分析了压力、温度、流量等因素对膜分离和变压吸附制得氧气纯度的影响，为装置的进一步改进提供了依据。
Trial use of the device helps analyze such factors as pressure, temperature, and discharge that will affect the purity of the oxygen, and provides proof of improvement.
然而，混合动力汽车性能，特别是动力性和经济性的评价与改进，不但需要理论仿真，更需要大量的试验分析。
However, evaluating and improving HEV performances, especially dynamic and economical performance, not only needs theoretic simulation but also needs vast test datum analyzing.
对醇酸树脂合成方法及影响因素进行了试验和分析，确定了改进合成工艺条件、提高醇酸树脂质量的方法。
Some experiments are made so as to change the process parameters for processing alkyd resin and then, to improve the quality of the resin.
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