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乙醇酸

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This paper presents a description of the brief synthesis of hexanoic acid 2-ethyl ester by new methods and its application. It takes two steps and 4.5 h to complete the synthesis of it.

己酸二乙氨基乙醇酯(DA 6)由美国科学家于20世纪90年代初首先发现的一种新型植物生长调节剂,具有高活性,低毒无污染、可与其它农化物质兼容的特点,它的合成与应用研究正日益受到人们的重视[1~7]。

Three different strains of Monascus sp including A13, As3.554 and As3.972 were used to investigate the effects of their culture conditions (initial moisture content of steamed rice, culture time, and addition level of glucose and sucrose used as rapidly-efficient carbon source) on the esterifying capacity of fatty acid ester (converted by ethanol and hexanoic acid).

以A13、As3.554和As3.972为研究对象,比较了其培养参数米坯的初始水分、培养时间及以葡萄糖和蔗糖为速效碳源及添加量对底物己酸和乙醇转化为脂肪酸酯的酯化力的影响规律。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。