Luke sat directly behind the pilot and conversed with him...卢克就坐在飞行员后面，并且和他说着话。'Have you finished with me?' Luke asked, when he had listened to Armstrong's report of his evidence.“你已经都问完我了吗?”卢克听完阿姆斯特朗向自己重述...
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....