Selective dehydration of hexose, such as D - fructose, is one of main synthetic methods for 5 - hydroxymethylfurfural.果糖等己糖选择性脱水是制备 5- 羟甲基糠醛的主要方法之一....
浅滩上的潮水逐渐退去。The tidal stream or current gradually decreases in the shallows.潮水已经退去,他们走过岩石区的潮水潭。The tide was out and they walked among the rock pools.这场胜利的喜悦退去后,人们将不得不回归现实。Once the euphoria surrounding this victory subside...