Mechani相关论文
摘要： 文章制备了具有海绵结构的聚氨酯（PU）/聚乙烯醇缩丁醛（PVB）三维（3D）纳米纤维多孔结构。通过SEM、XRD和FTIR对其形貌和结构进行表征，......
目的探讨早期活动对慢性阻塞性肺疾病(COPD)机械通气患者胃肠功能及谵妄的影响。方法选择济宁医学院附属湖西医院重症医学科2017年......
目的探讨静息能量消耗（REE）监测在接受机械通气的重症患者营养支持治疗中的应用价值。方法采用前瞻性随机对照研究方法，选择2016年9月......
Effect of Process Parameters on Defects, Melt Pool Shape,Microstructure, and Tensile Behavior of 316
Previous studies have revealed that laser power and energy density are significant factors affecting the quality of part......
High Strength Electrospun Single Copolyacrylonitrile(coPAN)Nanofibers with Improved Molecular Orient
High-performance carbon nanofibers are highly dependent on the performance of their precursors,especially polyacrylonitr......
In vitro calcification studies on bioprosthetic and decellularized heart valves under quasi-physiolo
The lifespan of biological heart valve prostheses available in the market is limited due to structural alterations cause......
Influence of multi-stage heat treatment on the microstructure and mechanical properties of TC21 tita
Duplex-structured TC21 alloy samples were first solution-treated at a higher temperature in theα+βregion (940℃) with ......
研究Al?5.0Mg?3.0Zn?1.0Cu合金挤压铸造态、固溶态和时效态显微组织及力学性能随截面深度的变化规律.对于挤压铸造态合金,从表层到......
焊接参数在一定程度上决定着焊缝的形貌及力学性能。采用激光-电弧复合焊接方法对高氮钢进行了焊接,研究了不同焊接参数对焊缝形貌......
Maximum hardness test in weld heat-affected zone(HAZ),oblique Y-groove cracking test and mechanical property test of wel......
Experimental work has been focused on the formation of alloyed Au-Cu nanoparticles under simultaneous laser exposure and......
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......
Comparison of agronomic performance between inter-sub-specific hybrid and inbred japonica rice under
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......
本文通过对荣华二采区10...
Mass Spectrometry of 2a,4-Disubstituted 5-Benzoyl-2a,3,4,5-tetrahydro-2-phenoxy-azeto[1,2-a][1,5]ben
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......
由于木竹复合材料的性能与原料的类型、施胶量、工艺参数、木材和竹材的比例等许多因素有关,本文研究了不同木材和竹材的比例对木......
The effect of commercial frequency electromagnetic field on the solidification structure and mechanical properties of co......
以新型植物纤维大麻秆芯粉作为填料制备EVA复合材料。研究秆芯粉质量含量、粒径、不同相容剂对填充体系力学性能的影响。结果表明,......
利用BP神经网络的方法建立了连续退火温度与TRIP钢力学性能的预测模型.模型输入为退火温度,输出为屈服强度、抗拉强度、伸长率和加......
为了保证产品的焊接质量,为现场焊接提供理论依据与指导,采用焊条电弧焊对12 mm厚的9Ni钢板进行多层多道焊焊接,使用光学显微镜、......
Preparation of Antibacterial Electrospun PVA/Regenerated Silk Fibroin Nanofibrous Composite Containi
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ZK60-xcerium alloys were studied,where x mass fraction is 0, 0.52%, 0.94%, 1.51% and 1.98%, respectively. Influence of C......
Microstructure and properties of mechanical alloying particles reinforced aluminum matrix composites
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通过DSC、XRD、SEM、FT‐IR和显微硬度测试等分析手段，研究了冷却方式对99．75Ge23 Se67 Sb10‐02．5RbI玻璃组织、热稳定性以及光学和......
Gd-based bulk metallic glass has drawn strong attention because of its large magnetic entropy changes.Thermal stability ......
报道一种新奇的现象,即随着Fe75Mo5P10C8.3B1.7块体金属玻璃的直径从1.5mm增加到2.0mm,其室温压缩塑性反而从0.5％增加到1.8％.这主要......
SiC具有优异的力学与功能性能,作为增强相,在复合材料领域具有广阔的应用前景。采用双螺杆挤出、注塑成型方法制备了微-纳米SiC/聚......
造成起下钻困难的情况有多种，地层交界面处便是其中之一。此情况形成的地质因素有：相邻地层岩性可钻性存在差异，且存在一定地层倾角，钻......
Mass Spectrometry of 2a,4-Disubstituted 5-Benzoyl-2a,3,4,5-tetrahydro-2-phenoxy-azeto[1,2-a][1,5]ben
The mass spectrometric fragmentation of 2a,4-disubstituted 5-benzoyl-2a,3,4,5-tetrahydro-2-phenoxy-azeto[1,2-a][1,5]benz......
基于对高校体育文化内在特质的研究,尝试从以文化人视域对高校体育文化的育人机理及育人过程中的薄弱环节进行探讨和分析.高校体育......
