concentrating column

基本解釋

The process for concentrating natural vitamin E in the dual-column continuous countercurrent supercritical extraction is studied.
探討了雙塔連續(xù)逆流操作的超臨界萃取和濃縮天然維生素E的工藝路線。
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The match-cast epoxy joints of segmental bridge column will crack and open concentrating on the joints under earthquake loading, forming the nature discontinuities in the structure.
采用膠接縫連接的節(jié)段拼裝預(yù)應(yīng)力混凝土橋墩在地震荷載作用下會(huì)在接縫區(qū)域張開，出現(xiàn)不連續(xù)的現(xiàn)象。