泡沫镍载氧化钛基光阳极制备及其液相光电催化降解性能
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蔬菜发酵专用乳酸菌选育及其菌剂制备核心技术研究
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
有机化学教学中的课程思政
AbstractUnder the call of the Party Central Committee,colleges and universities in Chinahave set off a wave of 'Ideological and Political Courses'.'Ideological and politicaleducati...
新冠疫情对电子商务的影响—以拉丁美洲为例
新冠疫情对电子商务的影响一以拉丁美洲为例【摘要】新冠肺炎疫情席卷世界各国。疫情影响了许多方面,包括电子商务和数字技术的发展。许多国家也采取了检疫措施措施,由于运输受阻,人员隔离等情...
基于“导学案-微课”培养初一学生数学预习能力的探索
AbstractPre-learning ability is the first step to improve students'self-learning.Abstractionis the subject nature of mathematics,and it is also a great obstacle for middle schoolst...
类比思想在中学数学中的应用
AbstractAnalogy is a common mathematical method in middle school mathematics.Analogy iswidely found in the concept,formula,nature and problem solving of middle school mathematics.M...












