而在众多的手性氨基醇中手性苯甘氨醇有着较广泛的应用.Chiral phenylglycinol has more wide application value in the utility of chiral aminoalcohols.介绍了甲醛与硝基甲烷反应合成几种氨基醇类的产品发展情况及其用途.The synthesis and application of several amino - alcohols from nitroa...
石林在地貌上是一种高大的石芽.Stone forest is a kind of tall clints in geomorphologic structure.旅游景点: 则岔石林自然保护区.Tourist Attractions: Stone Forest Nature Reserve is bifurcated.游览石林,参观民族博物馆, 民族村等.Kunming , Stone Forest, National Museum, ...