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...
On Sunday Cohen lay around the house all day.科恩星期天一整天都在家无所事事。I didn't so much as catch sight of him all day long.我一整天都没见他人影。All day she had fought off the impulse to telephone Harry.她一整天都在克制自己想给哈里打电话的冲动。...