粘土矿物能催化脱羧基作用是早已认识到的问题.The ability of clay minerals to catalyse decarboxylation has long been recognised.这些部位包括羧基 、 羰基 、 环氧基和氨基等.These sites include, carboxyl, epoxy, amino and the like.结果表明,燕化公司研究院研制生产的YH -05 羧基丁苯胶乳各项性能指...
The fading reaction of DCB arsenazo with Cr 2 O 2 - 7 was studied.本文研究了DCB偶氮胂与Cr2O2-7的褪色反应.Cars were covered with clear-coat finish at the factory to protect the underlying paint from fading.工厂给汽车上了透明罩漆，以防底漆褪色。Hopes of a...
他这一笑, 是一种令人毛骨悚然的冷笑, 是一种表示默认的冷笑.It was in some strange way, a chilling smile, of assent.莎士比亚对于分歧并不是采取默认的态度.Shakespeare did not acquiesce in discrepancy.只有当他们无法找到低估品时,又会回到默认的方式——持有现金.Only when they cannot find bargains sho...
这些砂岩体形成伸长的透镜体.These sandstone bodies form elongate lenses.在这个村庄附近, 透镜体的厚度达100米左右.Near this village, the thickness of this lens reaches abut a hundred metres.结果表明,砂岩透镜体油藏多数为它源性多期幕式成藏,其成藏机理可概括为隐蔽输导和幕式置换.The results showed ...