The synthesis of ν - curcumene was described. The experiment affirmed that ν - curcumene can aromatize to α - curcumene readily at room temperature.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....
等蛋糕温热或凉至室温时切成四方块端上桌。Serve the cake warm or at room temperature, cut in squares.把籽和果核弄掉，将果肉切成小方块。Remove the seeds and stones and cube the flesh.他摸了一张方块7。He drew the seven of diamonds....