语言是将人类与动物区分开来的基本特征。Language is something which fundamentally distinguishes humans from animals.尸体保存完好,他的容貌特征清晰可辨。The body was found to be well preserved, his features easily recognizable.对外来者怀有敌意是人类和其他动物共有的特征。Hostility t...
目的:研究芒果苷单钠盐的制备工艺.OBJECTIVE To study a preparation method of mangiferin monosodium salt.结果:首次合成芒果苷单钠盐,芒果苷单钠质量收率为92.8%.RESULTS Mengoferin monosodium salt was first prepared crystallized out with 92.8 % yield.方法:将芒果苷置于水和丙酮的...
她对20世纪60年代的理想主义一直心怀崇敬。She never lost her respect for the idealism of the 1960s.他们心怀恐惧地退缩了。They backed off in horror.他闷闷不乐、心怀怨恨、一言不发地转过身去了。He turned away in sullen, resentful silence....
在有些植物中,光合作用产物是以多聚果糖的形式储藏.In some plants photosynthetic products are stored in the form polyfructosans.波里发现等克分子量的示踪葡萄糖和果糖.Burley found labeled glucose and fructose in equimolar amounts.果糖是大多数的人体必需的基本高级碳水化合物之一.Fructose is ...