Hydroquinone is an important chemical material and intermediate in industrial chemistry.对苯二酚是一种重要的化工原料和中间体.Market prospect and production methods for pyrocatechol and hydroquinone are reviewed.概述邻苯二酚、对苯二酚的市场前景、生产方法.Antio...
Eliza goes down on her knees on the hearthrug to look for the ring.伊莉莎在炉前地毯上跪下来寻找那戒指.Tom Thumb and Hunca Munca went cautiously across the hearthrug.汤姆大拇和亨卡忙卡小心翼翼地穿过壁炉前的地毯....
This stainless steel normally magnetic due to its martensitic structure and iron - content.这种不锈钢具有马氏体结构和铁元素,因此具有正常的磁特性.The size effect on start temperature of martensitic transformation, Ms, is summarized.总结了马氏体相变的尺寸效应.A...