哈尔滨石油学院本科生毕业设计（论文）AbstractWhen natural gas is used as fuel,it will produce acid components.It will not onlycause the corrosion of machines and pipelines in the pr...

生物降解包装材料的研究摘要：作为能够自源头方面将“白色污染”的问题予以解决的环境友好型材料的生物降解包装材料正以其巨大的优越性而为现在的社会越来越重视对它的技术研究开发以及推广应用...

博士学位论文摘要钙。在10%、20%、30%、40%(wt)KOH溶液中，通过球磨法能够制备得到锌酸钙晶体，且均为不规则形貌。不同浓度KOH溶液中制备的锌酸钙实际比容量仅能达到理论值的56%左右。通过对水...

Design of biodiesel production process with an annual output of100,000tonsAbstractNowadays,the increasing shortage of natural fossil non-renewable resources and theecological envir...

北京理工大学珠海学院2020届本料生毕业设计Design and implementation of automatic ultrasonic testing systemfor disc water immersionAbstractFive kinds of conventional ultrasonic nondes...

Production Process Design of High-Performance Polyurethane forWood Coatings with an Annual Output of 2000 Tons.AbstractThis design is the production process design of high-performa...

北京理工大学珠海学院2020届本科生毕业设计Production process design for lithium battery of 50,000 lenovoThinkPad e590AbstractThis graduation design is for lenovo ThinkPad e590 lithiu...

天水师范学院毕业设计第四章工艺计算..124.1既知量.……………….124.1.1送进反应炉中煤的组分占比124.1.2吹风气中所含组分及其所占比重..124.1.3半水煤气中所含组分及其所占比重.124.1.4各阶段...

的果实分布密度比开心形树高几倍到几十倍，而47年生树的差异不太明显。5人工授粉明显提高库尔勒香梨的座果率，但萼片脱落与人工授粉之间没有直接关系。在宏观上，萼片脱落主要与树势有关，营养...

北京理工大学珠海学院2020届本科生毕业设计The graduation project's mission is to make a production plant design,whose annual output is 4,000 tons of phytase preparation.AbstractThis ...