北京理工大学珠海学院2020届本科生毕业论文A Comparative Study of Topic Design of Intermediate OralTextbooks for Chinese as a Foreign LanguageAbstractNowadays,with the growing influen...

脆性材料中动态裂纹传播问题的研究5)采用大型有限元ABAQUS软件为平台处理器，根据内聚力模型(cohesive-mode)开发了用户接口子程序(VUMAT)模拟脆性材料PMMA板的动态裂纹传播行为，相同载荷下，采...

北京理工大学珠海学院设计与艺术学院2020届本科毕业设计·设计论述奇·梦

AbstractGradient this form now within the scope of the design field is verycommon,this is a form of a sequence and rhythm change single from thegradient color,it will be for the de...

80,000 Tons of Butadiene Production Process DesignAbstractButadiene is an important petrochemical organic raw material and synthetic rubbermonomer.is one of the most important comp...

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

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...

AbstractIn China,fermented food has a long history.At the beginning,fermented foodwas only used as a way to preserve food and extend the shelf life of food.Withthe spread of cultur...

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...