filtration spring

The technology study of processing bur fruit juice with the means of exudation;

應用滲出法加工刺梨汁工藝技術研究

The glass tubes in discarded computers and TVs contain much lead which is no less than that contained in lead-acid accumulator,however there is little study on exudation of Pb in cone-glass.

文章對顯像管玻璃中Pb滲出機理分析并通過實驗證明,用水、鹽、酸和堿溶液處理顯像管玻璃后,都會有鉛滲出。