mech相关论文
目的观察无创正压通气在急性加重期慢性阻塞性肺疾病（COPD)合并有Ⅱ型呼吸衰竭的救治效果，探讨无创正压通气在治疗COPD合并Ⅱ型呼吸......
为了系统研究水泥乳化沥青比例(C/A)对复合材料特征和水泥乳化沥青混凝土性能的影响,采用动态剪切流变仪、扫描电镜和力学试验等研......
A CoCe/ZSM-5 catalyst was prepared by ultrasonic-assisted impregnation for the catalytic combustion of toluene.To study ......
通过检索中英文数据库获取有关经皮穴位电刺激干预痛证的相关文献,并进行整理归纳,从而了解近年来经皮穴位电刺激对疼痛介质影响的......
The significance of source rocks for oil and gas accumulation has been indisputably acknowledged. Moreover, it has been ......
Influence of annealing temperatures on microstructure evolution and mechanical properties in a low-c
Quenching and partitioning (Q&P) heat treatments with different annealing temperatures and fixed initial quenching tem-p......
Effect of low-energy proton on the microstructure, martensitic transformation and mechanical propert
Ni–48.5at%Ti thin films were irradiated in the austenite phase by different energy-level protons at a dose rate of 1.85......
Fabrication of PVDF nanofibrous hydrophobic composite membranes reinforced with fabric substrates vi
To improve the mechanical properties of the electrospun nanofibrous membrane,the nonwoven fabrics and spacer fabrics wer......
目的 分析内科重症监护病房(ICU)与专科ICU有创机械通气患者常见呼吸机报警原因及相关处理策略.方法 选择中国医科大学附属第一医......
为明确冻土地区混凝土桩基在循环荷载作用下桩土流变效应对桩端位移、桩端阻力以及桩侧冻结应力的影响,利用在冻土中的混凝土模型......
An Fe Mo-alloy-doped β-Si Al ON(Fe Mo/β-Si Al ON) composite was fabricated via a reaction-bonding method using raw mat......
The effects of heat treatment on the microstructure and mechanical properties of intermetallic compounds in the interfac......
Metallographic structure, mechanical properties, and process parameter optimization of 5A06 joints f
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......
肝细胞癌（HCC）极强的侵袭和转移特征，既是导致HCC术后高复发率和远期疗效差的重要病理学机制，也是临床制订个体化抗转移复发方案的重要......
采用CF/PLA复合材料,应用熔融沉积成形(FDM)工艺制备了拉伸、弯曲、冲击试件,与纯PLA试件、注塑PLA试件、注塑CF/PLA试件、ABS试件......
Novel acrylic resin denture base with enhanced mechanical properties by the incorporation of PMMA-mo
A kind of novel acrylic resin denture base enhanced by PMMA-modified hydroxyapatite(M-HAP) was prepared and the modifica......
目的探讨在优化救治流程中,应用支架取栓的方法治疗急性脑动脉闭塞(ACAO)的效果及安全性。方法回顾2013年1月至2016年12月进入优化......
A stable copper (hydr)oxide-modified electrode was prepared in 0.5 mol/L NaOH solution by cyclic voltammetry in the rang......
目的 探讨序贯机械通气治疗在慢性阻塞性肺疾病(COPD)合并呼吸衰竭中作为撤机方式的应用价值.方法 将40例患者随机分为序贯治疗组(......
目的 探讨在机械通气的急性呼吸窘迫综合征（ARDS）患者中改良的俯卧位头高脚低倾斜30°机械通气方法,相比常规的俯卧位机械通气的......
能量代谢可以反映人体代谢基本情况,不同生理或病理时期机体代谢特征不同.恶性肿瘤负荷状态下,多数患者处于高能耗状态,但也有部分......
红曲是一种药食两用的传统食品,除了可能降血脂外,还具有降血压、防治骨质疏松和降血糖等多种功效.本文总结了红曲的非降脂作用及......
The development of notions about the mechanism of the oxidative coupling of methane (OCM) over oxide catalysts and corre......
Comparisons of interface microstructure and mechanical behavior between Ti/Al and Ti-6Al-4V/Al bimet
...
A stable copper (hydr)oxide-modified electrode was prepared in 0.5 mol/L NaOH solution by cyclic voltammetry in the rang......
Nano-SiO2/polypropylene composite was prepared by melt-blending process. The nano-SiO2 particles were organized by wet p......
用原位聚合法制备脲醛树脂石蜡微胶囊，用扫描电子显微镜、差示扫描量热仪和红外光谱仪表征了微胶囊的微观形貌、相变特性及化学组成......
Nanoscaled aluminum nitride(Al N) dispersion strengthened 2024 aluminum alloy was fabricated using a novel approach in w......
为研究真空感应熔炼炉的真空度对Ni-Fe-Cr基合金力学性能的影响,在不同真空度条件下制备4个样品.化学分析结果表明:在氩气保护气氛......
为探讨ns脉冲电场诱导细胞器膜产生电穿孔的机理,采用分子动力学软件从原子水平上分析了ns脉冲电场作用下细胞脂双层膜电穿孔形成......
农产品物理特性在测定农产品的物理特征(如:形状、体积、尺寸、密度、颜色、外观)、水果的坚实度、成熟度和品质及估算谷物的损坏......
The bulk glassy Cu60Zr30Ti10 alloy with a diameter up to 4 mm and a length of 70 mm containing nanocrystalline phase was......
对板厚为44mm的6082-T6铝合金进行搅拌摩擦焊工艺试验。结果表明,接头的微观组织形态和力学性能均良好,其中抗拉强度随主轴转速的......
矿井巷道掘进作业中,掘进机属于核心设备,其集合多种功能于一体,是实现矿井采掘有序、高效交替进行的基础设施保障。但由于作业情......
以喷射混凝土配比为基准,将3种不同掺量的陶粒和玄武岩纤维进行组合,配制出9组轻骨料喷射混凝土(Lightweight Aggregate Fiber Sho......
采用胶体磨以六偏磷酸钠为助磨剂制备超细生石膏粉体,通过激光粒度仪和XRD等方法对超细磨产品进行表征。结果表明,当生石膏料浆质......
