用金属锂 - 液氨一步还原法合成γ姜黄烯.实验证实γ姜黄烯极不稳定,室温下极易芳香化转变成α姜黄烯. The synthesis of ν - curcumene was described. The experiment affirmed that ν - curcumene can aromatize to α - curcumene readily at room temperature.
Community leaders want to strengthen controls at external frontiers.社区领导想要加强对小区外围的管理。Human acts have repercussions far beyond the frontiers of the human world.人类行为所产生的影响远远超出人类世界的范围.They are highly interested in the front...