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....
许多由沙漠侵入这些牧场的灌木种都是耐火的.Many of the desert scrub species that have invaded these ranges are fire intolerant.法律规定所有公寓房屋都应该是耐火的建筑物.The law required apartment buildings to be of fire - retardant construction.这种材料是耐火的.This mate...
她的案例属于道德法律的范畴。Her case falls within the ambit of moral law.康德哲学的范畴与亚里士多德哲学的范畴的不同在于其主观性.The Kantian categories differ from those of Aristotle in being subjective.这一问题属于哲学范畴.This question comes into the domain of philosoph...
里奥格兰德河三角洲曾是一片遍布荆棘和沼泽的荒废之地。The delta region of the Rio Grande river was a forsaken land of thickets and swamps.在肯尼亚东部的塔纳河一带经常发现陷入沼泽的大象。Elephants were often to be found in swamp in eastern Kenya around the Tana River.挖渠排掉沼...
The letter was a feeler to see how he would look upon such a movement.这封信是一种试探,看看他如何看待这种运动.She made a little deal in stocks as a feeler.她在股票上做一笔小交易当作试探.The letter was a feeler to see what his attitude might be.这封信是一种试探,看...