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...

苏州大学本科毕业设计（论文）摘要本文主要采用了一种原位开环-缩合级联聚合(PROP)的方法，用1,4对苯二甲醇(1,4-Benzenedimethanol)作小分子引发剂，环状寡聚对苯二甲酸丁二醇酯(COBTs)作单体，...

四川大学博士学位论文A1ON粉体，当原料中A1配比降至11.0wt%时，A12O3采用NH4Al(SO4)2·12HO热解法自制粉体（粒径约30m,粒度分布范围宽），在N2气氛中，在1800℃煅烧3小时可以合成出单相A1ON粉体...

北京理工大学珠海学院16届本科生毕业论文Development of a-galactosidase producing strainAbstracta -Galactosidase (EC 3.2.1.22),is one kind of enzyme that hydrolyze non-reducingtermina...

昆明理工大学解，进一步进行一段渣硫酸化焙烧浸出试验研究，在酸矿比为1，焙烧温度400℃，焙烧时间90min,H2S04浓度2.76mol/L,浸出温度100℃，液固比3ml/g,浸出时间60min,搅拌速度300rmin的条件...

ABSTRACTIn this paper,the temperature field distribution of aluminum alloy with differentthickness was studied by ABAQUS finite element software.Several groups ofdifferent welding ...

Abstract[Objective]The common gene fragments of all species and genera of Brucella were screened,and theprimers and probes suitable for amplification of target genes were designed....

Advances in Studies on the Biological Activities of Lutein andZeaxanthin and Their Applications in foodAbstractBoth lutein and zeaxanthin belong to one of the carotenoids.They are ...

北京理工大学珠海学院2020届本科生毕业设计The engineering design of produce 200 cubic meters biogas per daywith livestock farm waste as raw materialAbstractOur country is agricultura...

摘要近年来，由于其出色的机械强度、耐热特性以及耐腐蚀特点，碳纤维复合材料被越来越多地应用于各种行业，尤其是军事、医药、航空航天等。然而，由于它的热传导特性较差，使它的使用范围受到一...