Water soluble hydroxypropyl � � cyclodextrin was converted to acetonyl hydroxypropyl � � cyclodextrin via selective oxidation. 通过选择性氧化,将水溶性优良的羟丙基β环糊精转化为丙酮基羟丙基β环糊精.
黄昏时分, 姑娘们穿着灰色网纱衫.Evening hours, girls in grey gauze.江苏飞跃网纱织造有限公司是生产玻璃纤维涂塑窗纱及网格布专业厂家.Glass Cleaner is a ready - to - use glass cleanerglass window , mirrors , plastic and glossy painted surfaces.本公司除供应质优产品外, 另外还经营各种印刷器材如丝...
The third clause of the contract specifies steel sashes for the windows.合同的第三款指定使用钢窗.The officer wears sashes on his shoulders.这名军官的肩上佩戴着肩带.Our windows have double - pane sashes.我们的窗户有 双层 的玻璃窗框....