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...
It makes melt , plasticating, injection and pressure corse go on in the state of vibrating periodically.分析了此种振动装置在注射阶段脉动螺杆的动态响应以及振幅和频率的特性.The ice cream softened and began to melt.冰淇淋开始变软并开始融化。One of the key problems in i...
气象员报告有高气压向本地区推进.The weatherman reports a high moving in.此高原上空的高气压使夏季的气候干燥.The high pressure over the Atlas Mountains makes the climate dry in summer.B小高说: [ 这是因为高气压产生额外的热.B Col says: " It's because the high pressure...
暖风让很多人觉得乏力沮丧。Warm winds make many people feel enervated and depressed.该国的经济问题很大程度上是因为复苏乏力。The country's economic problems are largely due to the weakness of the recovery.语言生动见之于语言功底;语言乏力出自泛泛而论.Vigor or weakness resu...