排序
TA19焊接过程中的再结晶行为研究
第2页摘要钛是一种性能优良的材料,其发展时间较短,却获得广泛的重视,并应用于航空航天的国家重要战略民用或军用产品中,其制造的发动机结构件质量轻,性能好,耐高温耐腐蚀。TA19是钛合金中...
X射线衍射法探究碳纤维复合材料界面应力分布
北京理工大学珠海学院2020届本科生毕业论文Study on Interface Stress Distribution of Carbon Fiber Composite byX-ray DiffractionAbstractThe residual stress will reduce the stability of...
二氧化碳冷却条件下热处理温度对Q690结构高强钢力学性能的影响规律研究
二氧化碳冷却条件下热处理温度方法对Q690结构高强钢力学性能的影响规律研究摘要:此篇文章模拟了高强度结构钢在火灾作用下的冷却方式,并从Q690的断口形状、力学性能参数变化和微观组织等方面分...
固体发酵黑曲霉产单宁酶的研究
2.4.3紫外诱变筛选单宁酶高活性菌株152.4.4单宁酶高活性菌株产酶稳定性162.5本章小结17第三章单宁酶活力测定方法的构建183.1前言.…183.2实验材料与方法…183.2.1菌种..183.2.2培养基.…193.2.4...
基于迭代再加权最小二乘的地震资料稀疏反演方法
ABSTRACTABSTRACTThe basic goal impedance inversion is to recover the layered structure of thesurface as a function of depth from observed seismic data,which usually expressed asser...
年产1亿片牛黄解毒片车间工艺设计
An annual output of 100 million tables of Bezoar antidotaltablet Process Design WorkshopAbstractThis design carries out the process design of the production workshop with an annual...
年产8万吨多菌种发酵酱油的工厂设计
Annual output of 80000 tons of soy sauce production factorydesignAbstractSoy sauce is a kind of seasoning with unique sauce flavor,which is catalyzed by variousenzymes produced by ...
年产6万吨苹果醋车间设计
北京理工大学珠海学院2016届本科生毕业设计Design of apple vinegar workshop with an annual output of 60000 tonsAbstractApple is a nutritious,healthy and delicious fruit.Vinegar is a c...
年产50吨螺旋霉素发酵车间设计
北京理工大学珠海学院2020届本科生毕业设计Annual production of 50 tons of spiramycin fermentation workshopdesignAbstractIn order to realize the design of a 50-ton annual spiramycin f...
年产十万吨氯甲烷生产工艺的设计
Design of the production process of 100 thousand tons ofchloromethane per yearAbstractMethyl chloride (CH3CD),a colorless and liquefiable gas,is usually stored in steelcylinders un...










