Mechan相关论文
Microstructure evolution and mechanical properties of high-boron steel with different ratios of boro
Boron and carbon contents are the main factors influencing the properties of high-boron steel. In this study, experiment......
Simultaneous Enhancement of Toughness and Strength of Stretched iPP Film via Tiny Amount of β-Nuclea
Herein,isotactic polypropylene films with small β-nucleating agent content were fabricated via a melt-extrusion-stretch......
Preparation of Heavyweight Ultra-high Performance Concrete Using Barite Sand and Titanium-rich Heavy
The heavyweight ultra-high performance concrete (HUHPC) was prepared with barite sand partially replaced by titanium-ric......
An effective approach for bonding of TZM and Nb-Zr system:Microstructure evolution,mechanical proper
A novel method of liquid metallic film(LMF)bonding was developed to join titanium zirconium molyb-denum alloy(TZM)and Nb......
Synthesis and Applications of Tetra-functional Branched Poly(ethylene glycol) Derivative for the Dec
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Microstructure and Mechanical Properties of Ultrafine Grained Mg15Al Alloy Processed by Equal-channe
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Recent Progress in Two-dimensional Nanomaterials Following Graphene for Improving Fire Safety of Pol
The high fire safety of polymer nanocomposites is being pursued by research institutions around the world.In addition to......
Preparation of sodium titanate nanotubes modified by CdSe quantum dots and their photovoltaic charac
Sodium titanate nanotubes have been prepared and modified chemically with CdSe quantum dots (QDs) using bifunctional mod......
Leading:法律面前人人平等,执法人员公正无私的意识已经深入人心。那么,是否执法人员就不会出错呢?若你被执法人员错当疑犯抓进监......
The effects of rare earth elements on the microstructure and properties of magnesium alloy AM60B alloy were studied. Dif......
目的探讨急性生理学与慢性健康状况评分系统Ⅱ（APACHEⅡ）评分与老年重症肺炎需有创机械通气（MV）患者谵妄发生的关系。方法采用回顾性研......
Objective: To explore the mechanism of Simiao Yong'an Decoction in treating deep venous thrombosis based on the method o......
Ever since it first appeared in 1935, the famous paper by Einstein, Podolsky and Rosen, questioning the completeness of ......
Objective:To explore the target and signal pathway of Qingchang Huashi Decoction(QCHSD)in the treatment of ulcerative co......
目的分析重症甲型H1N1患者临床资料,指导临床诊疗。方法随机选取2009年9月至2010年3月河南省各医院收治的重症甲型H1N1病例80例,收......
Formulae for calculating the transmission loss and the specific acoustic impedance of sandwichpanels are put forward by ......
Mechanism of “Radix clematidis-impatientis semen” in the treatment of esophageal cancer based on net
Objective: To explore the mechanism of “Radix clematidis - Impatientis semen” in the treatment of esophageal cancer ba......
,Noise analysis of grating-based x-ray differential phase-contrast imaging with angular signal radio
X-ray phase-contrast imaging is one of the novel techniques,and has potential to enhance image quality and provide the d......
Using Google Earth software as a platform,this study has established an integrated database of both old and new landslid......
本文通过对荣华二采区10...
Characterizations and mechanical properties of impregnated diamond segment using Cu-Fe-Co metal matr
Diamond impregnated Cu-Fe-Co based saw-blade segments are directly processed by vacuum and pressure-assisted sintering a......
采用电子背散射衍射(EBSD)研究了固溶温度对旋压C-276合金超薄壁管材再结晶、晶界特征分布的影响;运用拉伸试验机和扫描电子显微镜......
The influences of the time,temperature and atmosphere on the reduction swelling of oxidized pellets were investigated by......
Nano composite coatings are fabricated by electro brush plating containing various nano particles (Al2O3, SiO2and ZrO2).......
Unsteady temperature field of surrounding rock mass in high geothermal roadway during mechanical ven
To explore the spatial-temporal evolution law of rock mass temperature in high geothermal roadway during mechanical vent......
超粗晶硬质合金是一类性能优异的新型合金,广泛用于采矿、凿岩、轧辊等领域,应用前景广阔。化学包覆法和纳米粉末溶解法是超粗晶WC......
利用数码相机、X射线衍射仪、材料试验机及扫描电镜研究了磁感应强度为0~1.11T的直流磁场对纯镁凝固组织、结晶织构及力学性能的影......
对过共晶Al-17.5Si合金热挤压成形后的组织与性能进行了研究。结果发现,挤压铸造Al-17.5Si合金的共晶组织明显细化,板片状的共晶Si......
电梯制动器是频繁使用的安全部件,也是维持电梯安全运行的重要基础。本文结合一起电梯冲顶事故,对事故电梯的制动器进行拆解,分析......
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......
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......
Effect of lower bainite/martensite/retained austenite triplex microstructure on the mechanical prope
We present a study concerning Fe–0.176C–1.31Si–1.58Mn–0.26Al–0.3Cr(wt%) steel subjected to a quenching and partitio......
Effects and mechanisms of fluorite on the co-reduction of blast furnace dust and seaside titanomagne
The co-reduction roasting and grinding-magnetic separation of seaside titanomagnetite and blast furnace dust was investi......
Mg-Zn-Mn-based alloys have received considerable attention because of their high creep resistance,strength,and good corr......
Mg–Zn–Mn-based alloys have received considerable attention because of their high creep resistance, strength,and good c......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Physical Modeling of Fold-and-Thrust Belt Evolution and Triangle Zone Development: Dabashan Foreland
Triangle zones,generally found in foreland fold-and-thrust belts,serve as favorable objects of petroleum exploration.Tak......
在中国国家863高技术发展计划MEMS重大专项课题《MEMS动态特性频闪干涉视觉三维测量技术及系统》资助下，研发微机电系统(Micro Elec......
目的:探讨急性左心衰意识障碍患者的通气方法及疗效。方法:在常规治疗的基础上,将68例急性左心衰并意识障碍患者随机分成动态无创......
富水流沙层斜井采用EBZ160型综掘机掘进、配以挖掘机、6m3箕斗出矸、整体模板台车和轨轮式混凝土搅拌运输车的机械化作业线,实现了......
针对在实验室构建的几何缩比1∶10的深立井凿井迈步吊盘模型，进行了不同凿井施工工况下的迈步吊盘结构受力物理模拟试验。试验结果......
以蓖麻油(CTO)和1,6-己二异氰酸酯(HDI)为原料合成蓖麻油基聚氨酯预聚体(COPUP),并采用COPUP对酚醛泡沫进行改性。通过FT-IR和1H N......
