过程中冻干菌剂的细胞存活率从85.59%提高至90.47%，且耗能低，菌剂制备效率高。关键词：植物乳杆菌：分子生物学鉴定：美蓝直接计数法：真空冷冻干燥：保护剂：响应面：两步真空干燥法

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cooperation is more frequent than before.Especially after China's accession to the world tradeorganization,it has greatly expanded its business with foreign countries,resulting in ...

AbstractFrom may to November 2019,a preliminary survey was conducted on the butterflyspecies in cuiping lake,gutian county,and 98 species were found in 8 families,51 genera.They ar...

前言Pretace本次毕业设计以十二生肖为主题，以拟人化的表现形式再结合中国元素去表达出来。十二生肖与我们的生活息息相关，随着时代的发展，西方的十二星座慢慢地被年轻人所接受。希望通过本次...

毕业论文makes a comprehensive expatiation of the features.The last part,also the mostimportant part of the paper,summarizes the translation requirements,principles andmethods by ci...

目录引言….1(一)研究背景(二)研究方向…EEEEEEEEEEEEEEEEEEE1(三)研究意义…......1一、朱自清的语文教育思想概述(一)朱自清的育人观.2(二)朱自清的阅读观1.略读.…2.讲读.33.精读…44.诵读.4(...

AbstractIn this experiment,durian shell was used as the main raw material,and durianshell powder was prepared by microwave drying technology.Firstly,taking sensoryevaluation as an ...

北京理工大学珠海学院2016届本科生毕业设计AbstractBevacizumab is a humanized monoclonal antibody that inhibits vascular endothelialgrowth factor.It is widely used in the treatment of...

低脂冰淇淋的现状研究AbstractIce cream as a frozen dairy products,with its nutrition,taste,flavor,easy todigest and other characteristics,has been loved by the people,enjoy thecold ...