refinement相关论文
The crystals of alkaloid Dehydrocrydaline chloride (C_(22)H_(24)NO_4·HCl) belong to the orthorhombic system. The space......
SiC particle reinforced pure aluminum composites were fabricated using a powder metallurgy method.The effect of the volu......
As an official transaction of Foundry Institution of Chinese Mechanical Engineering Society (FICMES), FOUNDRY Journal (m......
阜阳市局 ￡4a 局长——_MINtkMMtgj’＃lnH＄B——q.M——D收束志不他只邀狲位J则【科校为先导推动地租工作.B为广为戳民U用凶盼引眯B.......
Martensitic microstructure in quenched and tempered 17CrNiMo6 steel with the prior austenite grain size ranging from 6μ......
The decomposition of the coarse primary M_2C carbide in M2 high speed steel was investigated by using optical microscope......
The effects of Sc addition on the microstructure and mechanical properties of the ZK60 wrought magnesium alloy were inve......
Ti-24Nb-4Zr-8Sn, abbreviated as Ti2448 from its chemical composition in weight percent, is a multifunctional β type tit......
On-line thermo mechanical controlled processing(TMCP) was conducted to develop the third generation high strength low al......
The effect of rare earths on the morphology and microstructure of eutectic carbides in M2 high speed steel was studied. ......
This review highlights very recent achievements and new developments of severe plastic deformation(SPD) technology for p......
The effect of the rare earth element Er on the microstructures and properties of Mg-Al intermetallic were studied in thi......
The refinement of large boride ribbons in the as-cast TiAl alloy is the essential issue for aerospace industry applicati......
Self-adaptive software (SAS) is gaining popularity as it can reconfigure itself in response to the dynamic changes in th......
Collaborative text editing systems allow multiple users to concurrently edit the same document, which can be modeled by ......
The Unified Modeling Language (UML) is an industry standard for modeling analysis and design. However, the semantics of ......
A hypereutectic Al–3Fe (wt.％) alloy was subjected by rheo-extrusion, and the effect of sub-rapid cooling and shear defor......
Formal methods offer the promise of significant improvement on quality and reliability of critical embedded software. B-......
通过对添加B和Sb细化变质的ZL101合金进行固溶和时效处理,研究了热处理对合金显微组织和力学性能的影响.结果表明,添加B和Sb后,共......
探讨了铝液变质、晶粒细化、浇注温度及聚苯乙烯模样 对消失模铝铸件针孔的影响.研究结果表明，干砂消失模铸造工艺冷却速度比树脂砂......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The state space explosion problem is still the key obstacle for applying model checking to systems of industrial size.Ab......
在分析和解答涉及化学平衡问题时,学生往往感到无从下手,因此,很有必要让学生系统深入地了解和掌握这些知识,同时运用等效平衡原理......
主要对大规格4004铝合金扁铸锭熔铸工艺进行了研究,并对现场生产的4004铝合金420mm×1620mm规格铸锭进行了全面分析,从化学成分、......
The effect of niobium on the formation of NbC phase and solidification structure in high carbon equivalent grey cast iro......
The packet size of bainitic steel can be refined by a special relaxation-precipitation-control phase transformation (RPC......
Influence of high-intensity ultrasonic treatment on the phase morphology of a Mg-9.0wt.%A1 binary ah
The effect of ultrasonic treatment on the β-phase (Mg17Al12) morphology of an Mg-9.0wt.%Al alloy was studied. The resul......
Effects of pre-precipitation of Cr2N on microstructures and properties of high nitrogen stainless st
Aging precipitation and solid solution heat treatment were carried out on three steels which have chromium content of 18......
Relationship between mechanical properties and grain size of AZ80 at 350 ℃ under different strain ra
The dynamic recrystallization refinement of magnesium alloy AZ80 by compression tests was studied, and its effect on the......
Mg-1.5Zn-0.2Zr-xCe (x=0, 0.1, 0.3, 0.5, mass fraction, %) alloys were prepared by conventional semi-continuous casting. ......
Influence of melt hydrogenation during induction skull melting process on the solidification microst
A new method to modify the solidification microstructure of titanium alloys, named melt hydrogenation,by adding TiH2 as ......
In this article,we show that the generalized logarithmic mean is strictly Schurconvex function for p＞2 and strictly Schur......
Microstructure and mechanical properties of pure magnesium and AZ31 alloy with Ca/Si based refiner addition were investi......
城市居住单元是自然环境与人类社会经济活动的综合体,现阶段,高密度居住区域是中国城市居住单元发展的主要方向,而居住区的居住舒......
进程网是结合Petri网和进程代数定义的一种网结构,用于并发异步系统的建模。进程网的细化是用复杂的结构替换高层的简单结构支持自......
针对辽河油田公司在设备润滑管理方面所存在的问题,采用物联网、云计算、大数据分析和挖掘技术,设计开发了油田设备智能润滑管理信......
选取1971—2017年7个国家级气象站的气温资料,分析年代际气温变化特征及城郊温差、城县温差;选取2014—2017年103个国家考核区域气......
刑法规定越来越细微精巧,罪名种类越来越繁琐复杂,罪状表达越来越详尽具体。但从哲学视角看,过于精细的刑法规定有悖质量相统一理......
目的探讨精细化管理策略对门诊患者满意度与护理质量的影响。方法选取2017年1月~12月我院未实施精细化管理策略的20名门诊护理人员......
精细化管理从本质上来说就是将企业的发展目标进行一定程度的分解和细化,从而保证责任能够得到落实的一个过程,也是让一家企业的发......
随着社会主义市场经济体制的改革发展,全国各地用电量大幅度增加,致使我国电网基建项目建设日益增多,由于电网基建项目前期管理工......
介绍了基于普通微机（PC）的数控系统的设计方法，并将其应用于普通车床（CA6140）的数控化改造，取得较好的经济效果。该数控系统设计方法还可......
高校实验室是高校开展实验教学的主阵地,是支撑科学研究工作的重要场所,综合情况复杂,同时事关师生的教学和生活安全,为确保教学质......
研究加入不同含量稀土La对3Cr2W8V热作模具钢的组织、强度、硬度、冲击韧性和塑性的影响。结果表明，稀士La加入量在适当的范围内可......
精致化是融科学管理与人文管理于一体的全新管理理念，德育领域嵌入精致化理念是现代德育发展的必然。要实现精致化德育，需从观念更新......
以萝卜红色素为原料，比较系统地探讨了超临界状态下萃取压力、温度、时间对萝卜红色素精制的影响。结果表明，萃取压力30MPa、萃取时......
采用索氏提取法萃取香椿籽油，通过单因素试验研究了不同因素对香椿籽油提取效果的影响，采用正交试验设计，得到了香椿籽油浸提的最优条......
粗鱼油通过精炼可以除去非甘油三酯杂质成分，研究表明黄鳍金枪鱼鱼油精炼的工艺参数为：800g，L的H3PO4脱胶，添加量为油量的1％（体积分数）；300......
高校开展精细化职业指导有利于促进学生形成科学的职业定位,有利于促进学生提升自己的就业质量,有利于 促进高校更好发展的必然要......
