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...
They can't encumber us on the road.他们不会在路上拖累大家.They would interrupt and encumber me.他们会妨碍我,打搅我.He shall not encumber his brain with the coil of rhythm and number.他绝不能使自己的脑子受累于纠缠不清的格律和韵律....