BOWED HEADS : Ethiopian Orthodox worshipers prayed before the traditional Washing of the Feet ceremony at the Ethiopian section of the Church of the Holy Sepulchre in Jerusalem 's Old City Thursday .

拉头：埃塞俄比亚东正教前在了圣墓教堂的耶路撒冷老城星期四埃塞俄比亚 节脚祈祷礼拜仪式传统 洗衣 机。

The Economy of Recovering CO Tail Gas from Liquid Nitrogen Washing Section of Large Scale Residual Oil and Coal-Water Slurry Ammonia Plant for Combined Production of 40kt / a Methanol

大型渣油、水煤浆氨厂回收液氮 洗CO 尾气联产4万t／a甲醇的经济性

To recover thermal energy from hot wastewater discharged by desizing and scouring machine and transfer cold water to hot water served as supplemental water for open washing section in mercerizing machine ;

回收退煮（退浆、煮练）机排放的废热水的热能，将冷水转换成热水，作为丝光机平 洗 部分的补充水；

It is indicated in this paper that the depth of sand filter washing drainage trough will be determined not only by the terminal water depth but also by the form of cross section and the longitudinal change of the water depth in the trough .

本文指出滤池 洗砂排水槽槽深设计应考虑水槽 断面形式和槽内水深沿程变化规律，不能只凭末端水深确定槽深。

The experimental results showed that the purity and recovery of CLAs were 97.2 % and 62.5 % when extraction section and washing section were with a number of theoretical stages of two and four respectively which were in accordance with the results of theoretical calculation .

结果表明，当萃取段的理论级数为2， 洗涤 段的理论级数为4时，CLAs的纯度高达97.2%，回收率为62.5%，实验值与理论值一致。