The N-isopropylacrylamide and the polyvinyl alcohol are respectively 5 percent and 25percent byweightpercent.
N-异丙基丙烯酰胺与聚乙烯醇的质量百分比分别为5％和25％。
2
It's the world's first major airliner to use composite materials for most of its construction, more than 50 percentbyweight.
她是世界上第一种在其大部分结构上使用复合材料的飞机，使用比例超过了机体重量的50%。
3
Sum in weightpercent all the impurities found: water, acidity, carbon dioxide and aldehydes and subtract from 100.0 percent to obtain the percentbyweight ethylene oxide.