To improve the IR absorption of hydrotalcite, we intercalate SO 42 - to partly replace CO 32 - of interlayer.对水滑石红外吸收机理的研究表明,水滑石的层间阴离子起主要作用, 层板具有协同效应.为提高水滑石的红外吸收选择性,通过对不同阴离子的分析和筛选,确定在水滑石层间插入硫酸根.Veiws evidently intercalat...
They peeled cold stiffened gloves from their hands.他们将冻得硬邦邦的手套从手上脱下来。He leaned towards her and she stiffened at this invasion of her personal space.他向她俯过身去，这种侵犯她个人空间的举动让她绷紧了身子。She stiffened with fear.她吓呆了。...
There was undeniably a strong theoretical dimension to his thinking.不可否认，他的思想很有理论深度。This adds a new dimension to our work.这给我们的工作增添了新的内容。There is a political dimension to the accusations.这些指控含有政治方面的因素。...
保存得太久的食品会变坏,是因为受到酵母菌, 霉菌和细菌的侵袭.Food which is kept too long decays because it is attacked by yeasts, molds and bacteria.防止啤酒变坏的主要方法是用纯酵母菌株发酵.The principal methods of avoiding spoilage are the use of pure yeast strains as ...
科学家根据那些化石的骨骼结构确定其年代.Scientists have dated the fossils by their bone structure.有两个因素对生物化石的保存是有利的.Tow factors are favorable for the preservation of organisms as fossils.它们是怎样变成化石的?How did they become fossils?...
His solution : DAC Vision would develop its own state - of - the - art machinery for making eyeglass lenses.国际先进技术水平的;艺术级---这两种会比较贴切吧. 你所想的“巧夺天工”似乎太“拽”了,感觉也你真能展开想像的翅膀!The third column of Table 1 gives the normalized DAC ...