mecha相关论文
慢性前列腺炎/慢性盆腔疼痛综合征(CP/CPPS)是泌尿男科常见病之一，治疗后易复发。近年来，在传统药物疗效局限的情况下，体外冲击波治疗......
目的探讨支气管肺泡灌洗术(BAL)联合机械通气治疗重症肺部感染的临床效果。方法抽取2017年1月至2020年10月阳泉煤业(集团)有限责任......
Synergic Enhancement of High-density Polyethylene through Ultrahigh Molecular Weight Polyethylene an
General-purpose plastics with high strength and toughness have been in great demand for structural engineering applicati......
Influence of Heat Treatment on Precipitation Behavior and Mechanical Properties of Extruded AZ80 Mag
By means of annular channel angular extrusion technology and solution treatment,the AZ80 supersaturated solid solu-tion ......
Analysis of mechanism of Buzhong Yiqi Decoction in treating senile functional constipation via netwo
Objective: To explore the molecular mechanism of buzhong yiqi decoction in the treatment of senile functional constipati......
糖尿病视网膜病变(DR)病理生理过程复杂,机制主要涉及有炎症、羰基化终产物、氧化应激和蛋白激酶C等通路.这些机制导致视网膜内各......
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......
In this work,the amination of sulfonated polystyrene resin with alkyl secondary amine is investigated.The catalytic acti......
Effects of high-pressure rheo-squeeze casting on the Fe-rich phases and mechanical properties of Al-
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......
Selective laser melting (SLM) is a promising additive manufacturing (AM) technology for fabricating the near net-shaped ......
For the 30,000 km long French conventional railway lines(94% of the whole network),the train speed is currently limited ......
Ventilator management for acute respiratory distress syndrome associated with avian influenza A (H7N
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......
Preparation of Three Dimensional Hydroxyapatite Nanoparticles/Poly(vinylidene fluoride) Blend Membra
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......
EFFECT OF MELT OVER-HEATING AND ZIRCONIUM ALLOYING ON THE MORPHOLOGY OF Al9FeNi PHASE AND MECHANICAL
The effect of melt over-heating on the morphology of Al9FeNi phase in 2618 aluminumalloy with high contents of Fe and Ni......
目的 观察两种吸痰方法对呼吸衰竭患者机械通气的效果.方法 将106例呼吸衰竭机械通气患者随机分为对照组和观察组,各53例.观察组采......
目的：评价加长型气管切开导管在气管食管瘘中的作用。方法：10例气管食管瘘接受机械通气的患者，置入自制加长型气管切开导管，观察换管前......
采用金相显微镜、布氏硬度和力学拉伸等手段研究不同振动幅度对ADC12铸件和经过550℃×4 h固溶,160℃×4 h时效ADC 12铸件的微观组......
采用不同的热处理工艺,研究了新材质车轴钢LZ45CrV的力学性能和组织变化的规律.结果表明:两次正火+回火处理优于一次正火+回火处理......
对疏松砂岩油藏开发过程中的出砂问题进行研究,从细观尺度分析了砂岩颗粒的受力状态,明确了出砂的力学条件,提出砂岩出砂的3个几何......
本文对汽车用高强韧压铸AlMg5Si2Mn合金的微观组织和力学性能进行了研究,结果表明AlMg5Si2Mn合金压铸组织主要包括:枝晶和颗粒状的......
短流程铸辗复合成形工艺利用铸造环坯直接辗扩成形,具有节能、节材和缩短工艺流程等优点。在这种新工艺中,冶炼、铸造工艺对铸坯质......
目的：评价单用或联合应用舒芬太尼在重症监护病房机械通气患者镇痛镇静治疗中的效应和安全性。方法160例ICU需行机械通气患者随机分......
The proper spacer material and the preparation technology for biological compatible porous magnesium materials were expl......
The glass forming ability of Gd-Co-Al ternary alloy systems with a composition ranging from 50% to 70% (molar fraction)f......
尽管冠心病的主要治疗手段已有血管介入、冠状动脉搭桥和药物保守治疗等多种手段,但仍有部分患者存在心绞痛症状.增强型体外反搏作......
采用机械分散法和胰酶消化法,分别选取 MGM-448、Grace、TC-100等3种培养基进行柞蚕蛹卵巢组织细胞的体外培养.在2个月的原代细胞......
The hydrogeological condition affects the coalbed gas storage dramatically. In an area of stronger hydrodynamics, the co......
Mechanical Properties of Small-diameter Superfine Silk Powder/Polyurethane Vascular Graft Reinforced
In this paper, a kind of composite microtube, which is made from superfine silk powder and polyurethane, reinforced by p......
In this work,the amination of sulfonated polystyrene resin with alkyl secondary amine is investigated.The catalytic acti......
The effects of Y on mechanical properties and microstructure of TiCN/Al2O3 ceramics were studied in details. The experim......
为深入分析中国汽车行业成本传导机理,以广州市汽车行业为例,将汽车行业生产链条上的成本传导转化为相应上中下游价格指数同步变化......
为了研究聚丙烯纤维对橡胶混凝土工作性能及力学性能的影响,选取橡胶置换率5%和25%的混凝土作为基础试验,按纤维掺量为0、0.3、0.6......
为提升植物微量成分提取的工业化程度,实现填料罐罐盖螺栓的自动拧紧,对填料罐罐盖螺栓连接所需预紧力和拧紧力矩进行分析。在分析......
