In this paper the method combined with energizing blasting and hydrochloric acid well washing and its principle in elevating outflow of limestone well are discussed.
论述了聚能爆破与盐酸联合洗井提高石灰岩水井出水量的原理及方法。
The rapid analysis method of welding quality, acid washing test, for the longitudinally high frequency welded pipe is introduced.
介绍了一种快速分析高频直缝焊管焊接质量的方法——酸洗试验。
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。
The welding method employs resistance welding, which has advantages of low welding cost, low process requirements, saving the acid-washing process and avoiding pollution to environment.
所述的焊接方法，采用电阻焊接，焊 接成本低，工艺要求低，而且省去了酸洗过程，避免了环境的污染。
The processing method includes washing and cleaning the sheep placenta, then dried and ground into powder, which is sterilized, by peroxyacetic acid.
其配方主要包含以下组分，羊胎盘干燥粉末、山药、谷芽、肉苁蓉、枸杞子、复盆子、车前子。
The processing method includes washing and cleaning the sheep placenta, then dried and ground into powder, which is sterilized, by peroxyacetic acid.
其配方主要包含以下组分，羊胎盘干燥粉末、山药、谷芽、肉苁蓉、枸杞子、复盆子、车前子。
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