点击切换搜索课件文库搜索结果(574)
文档格式:PDF 文档大小:588.87KB 文档页数:6
对6炉微合金化高氮L45钢进行了长时间(1800s)加热时和快速(50℃/s)短时间(5s)加热时奥氏体晶粒长大试验。测定了奥氏体晶粒平均截线长度。在萃取复型透射电镜照片上利用图象分析仪测定了1#、3#和6#钢样中微细析出相的尺寸分布。利用透射电镜能谱仪分析了微细析出相的化学成分。还探讨了铝及微合金化元素钛、钒和铌与加热温度对高氮中碳钢奥氏体晶粒度的影响机制
文档格式:PPTX 文档大小:804.3KB 文档页数:8
人教版《小学英语》家庭作业同步配套教学课件(六年级上册)Unit 5 What does he do?_Part A Let’s learn & Listen, match and say
文档格式:PDF 文档大小:194.87KB 文档页数:2
概念题: 1.若下列反应中的气体是理想气体,则K=Kx=K=K的反应是 ()CaCO3 =CaO(s)+CO2(g) (2)N2O4(g)=2O2(g) (3)2n(s)+32(g)=2zno(s)+2SO2(g) (4)CO(g)+2O(g)=C2(g)+H2(g)
文档格式:DOC 文档大小:101KB 文档页数:20
Choose the one that best completes the sentence. Mark your answer on the ANSWER SHEET. (5 points) Advance in science more often than not encounters powerful opposition, Darvin's Theory of Evolution
文档格式:PPT 文档大小:449.5KB 文档页数:14
1. History 1921.12. 16, Fritz Winkle observed the phenomena of fluidization and developed the gasifigator 1939. Warren Lewis and edwin gillil and discovered the technique of catalytic cracking with fast fluidization 1960s Douglass elliott began to use fluidized bed to produce steam
文档格式:PPT 文档大小:1.96MB 文档页数:35
“Any subject can by taught effectively to any child at any stage of development
文档格式:PPTX 文档大小:3.43MB 文档页数:8
人教版《小学英语》家庭作业同步配套教学课件(五年级下册)Unit 5 Whose dog is it?_Part A Let’s spell
文档格式:PPT 文档大小:1.83MB 文档页数:16
《英语阅读》课程教学资源(PPT课件)10 英语阅读(二)Unit 5 Your Health Reading Three It’s O.K. to Cry 5-2
文档格式:PPTX 文档大小:2.88MB 文档页数:7
人教版《小学英语》家庭作业同步配套教学课件(五年级下册)Unit 5 Whose dog is it?_Part A Let’s learn & Look, say and complete
文档格式:PDF 文档大小:3.71MB 文档页数:35
《线粒体生物学与医学》课程教学课件(Mitochondria Biology and Medicine)5 Mitochondrial Metabolic Disorder in Alzheimer’s Disease - Targeting Mitochondria for Diagnosis and Prevention
首页上页2021222324252627下页末页
热门关键字
搜索一下,找到相关课件或文库资源 574 个  
©2008-现在 cucdc.com 高等教育资讯网 版权所有