nP/(nP+BaP)、BaA(BaA+Chry)和Fla(Fla+Pyr)等比值法进行分析，其标准为：InP/(InP+BghiP)

AbstractThe design task is in treatment of 60 million tons of methanol to olefins preprocessing section of the process design of the section design including absorption,resolution,...

melts at 720.9.XRD shows that KBr crystal belongs to cubic system and Fm3m space group.The transmission spectrum of KBr crystal has been tested,and the transmittance is greater tha...

金属卟啉醋酸钴复合催化对二甲苯氧化制备对苯二甲酸的反应、机理、动力学研究通过实验数据回归确定了模型参数。我们的动力学模型可以很好的解释实验现象，并从动力学方面证明了金属卟啉在催化对...

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

华侨大学硕士学位论文：聚合物位相光栅参量快速测量方法研究关键词：聚合物位相光栅：激光衍射；光栅参数；快速测量；热压印技术

AbstractAbstractSteam permeation is one of the most effective technologies for separating mixedsteam.Different from pervaporation,in this process,because the hydrophilic groupson t...

With an annual output of 10,000 tons of UV curing conductive inkProduction process designAbstractConductive ink has wide application value in PCB board,RFID antenna,sensor,solarcel...

北京理工大学珠海学院2020届本科生毕业设计Production process design of 20000 tons polystyrene resin per yearAbstractIn this design,the synthesis process is designed with an annual ou...

北京理工大学珠海学院2020届本科生毕业设计Design of 100KW photovoltaic-fuel cell composite power generationsystemAbstractWith the rapid development of society and the reduction of fo...