The possibility of its potential application is discussed for separation of actinon - lanthanon mixtures by ion exchange.讨论了该离子交换法在分离锕 - 镧系元素上应用的可能性....
快速看过岩块, 寻找岩质较松有裂缝的地方.Scan the rock, look for cracks that create a loose area.目的确定天然裂缝对人工压裂裂缝的影响.Purpose To determine the effect of in - situ fractures upon artificial fracturized ones.对裂缝的出现和预应力的变化规律作了相应的阐释.The changes o...
“爸爸,我想和你一起去。”——“好吧,好吧,小宝贝。”"I want to go with you, Daddy."—"Now, now, sweetheart."这个小宝贝光着身子在沙滩上。The baby went naked on the beach.她是小宝贝!She's a little darling!...