the best synthesis conditions of the new olefin monomer (mg) were developed. and its structure was analysised under the way of ir spectroscopy, elemental analysis and mass spectrometry.
研发了这种新的烯类单体(mg)的最佳制备条件,并通过红外光谱、元素分析等结构鑒定方式分析了该单体的结构。
measure a person, should with he be having the misfortune to under the way of keeping the courage, confidence is quasi.
衡量一个人,应以他在不幸之下保持勇气、信心的方式为準。
the economy of xinjiang is under the way of fast developing and healthy recycling period, it needs the great improvement of transportation infrastructure to prompt its economic development.
新疆经济目前处于快速发展和良性循环阶段,需要交通基础设施的大力改善以促进经济发展。