A change in enthalpy also takes place when a change of phase occurs.相发生变化时,焓也发生变化.Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated.研究了苯并口恶嗪二苯醚树脂固化时的体积收缩率 、 ...
Does the college cafeteria provide a healthful diet?大学餐厅供应的膳食是否有益健康呢？Chinese cooking is both low in calories and healthful.中餐不仅热量低，而且对健康有益。The healthful man can give counsel to the sick.健康的人可以对生病的人提出忠告....
...strips of cultivated land irrigated by a maze of interconnected canals.由纵横交错的运河灌溉的一条条狭长耕地区域Decentralized robust stabilization problem of a class of interconnected largescale system with parametric uncertainties is con...