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Papain - catalyzed synthesis of aspartame precursor Z - APM in biphasic solvent system wasinvestigated.本文报道在两相溶剂体系中利用木瓜蛋白酶催化合成Aspartame前体Z - APM的研究.And now I think of it, aspartame is the tip of a considerable iceberg.并且...
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“佃农”的反义词：地主。...
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将真数形象化的最方便的途径是通过数轴.One convenient way to visualize the real numbers is by the way of a number line....
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n.[航天]宇宙飞船，航天器...
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main unit的音标：main unit的英式发音音标为：[mein 'ju:nit]main unit的美式发音音标为：[men 'junɪt]...
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Patients were dying because of an acute shortage of nurses.因为护理人员严重不足，患者生命垂危。Any shortage could push up grain prices.任何一种短缺都会抬高粮食价格。There is a shortage of council housing.廉租公房房源不足。...
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目的: 合成新的双-胡椒醛缩二胺类席夫碱化合物.Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction.用胡椒醛为起始原料,经氯化 、 水解、缩合,制得血凝酸胺.After the process of chlorination, hydrolytic decomposition and condensat...
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polyandry的音标：polyandry的英式发音音标为：[ˌpɒli'ændri]polyandry的美式发音音标为：[ˌpɑli'ændri]...
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“大败”的拼音为：dà bài ...
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seal的音标：seal的英式发音音标为：[si:l]seal的美式发音音标为：[sil]...
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A 40 watt bulb would be quite sufficient and would not obtrude.40瓦的灯泡完全够亮了，并且不会晃眼。a 25 watt amplifier一台25瓦扩音器a 60-watt light bulb60瓦的电灯泡...
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“铰接”的拼音为：jiǎo jiē...
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n.受托管理国( mandatory的名词复数 )...
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Blood - Determinatoin of cholinesterase activity - Spectrophotometric method - Hydroxylamine - ferric chloride method.全血胆碱酯酶活性的分光光度测定方法羟胺三氯化 铁法.The synthesis of hydroxylamine sulfate H _ 2 SO _ 4 and hydroxylamine hydroc...