Latterly problems that limited extensive use of UF, such as the loss of small molecules, the passing amount and the washing of membrane, were analysed.
重点对影响超滤技术广泛应用的三个方面问题做了分析，包括影响小分子有效成分损失的因素、影响超滤通量的因素以及超滤膜的清洗方法。
The major loss caused by the method of washing with sulfuric acid was avoided, and the consumptions of sulfuric acid and alkali were decreased.
避免了传统硫酸酸洗法脱硫工艺中苯损失大、硫酸和碱用量大的问题。
A: no washing machine operation engineering turbine fixed, may form a clean by washing the wrong location of the vehicle, thus forming a vehicle accident loss.
一：操作没有固定好的工程洗车机洗轮机，也许会形成被洗车辆的清洁方位不对，因而形成车辆意外的损失。
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