mecha相关论文
采用低能球磨和放电等离子烧结法制备了石墨烯(GNPs)增强铜基复合材料.研究了石墨烯含量对复合材料微观结构和性能的影响.结果 表......
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......
The deformation modulus of a rock mass is an important parameter to describe its mechanical behavior.In this study,an an......
采用在线去应力退火工艺对线性摩擦焊TiA1合金接头进行处理,避免了焊后裂纹的产生.显微组织分析表明,接头焊缝区与热力影响区界限......
Influence of Finish Rolling Temperature on Microstructure and Mechanical Properties of a 19Cr1.5Mo0.
A 444-type heat-resistant ferritic stainless steel containing 0.05 wt％ Ce (rare earth element) and 2 wt％ (Mo + W) was adop......
To investigate the evolution of microstructure and wear behavior of TiSiN coatings with the variation of Si in targets a......
Mechanism and Application of Plant Rhizospheric Bacillus sp. for Growth Promotion and Disease Preven
In order to promote the development and application of environmental-friendly,efficient and safe beneficial Bacillus sp.......
详细研究冷轧前退火和固溶处理对1100铝合金初始组织的形成、纳米至微米级组织的形成以及力学性能和腐蚀性能的影响.在50％深冷轧前,......
In this study,gradual and sudden reduction methods were combined to simulate a progressive failure in notched composite ......
With the increasing incidence of obesity and metabolic syndrome worldwide,concomitant nonalcoholic fatty liver disease(N......
采用压力渗透法制备出了铝基复合泡沫材料,填充材料是以粉煤灰漂珠为主要组分、硬质聚氨酯泡沫为粘结剂的复合泡沫材料。通过准静......
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......
STUDY ON THE VARIATION IN THE CONFIGURATION OF SUBTROPICAL ANTICYCLONE AND ITS MECHANISM DURING SEAS
The mechanisms for the variation in the configuration of subtropical anticyclone during seasonal transition are explored......
The effect of cooling rate on the microstructure of ZA48 alloy was investigated. The alloy was prepared using a relative......
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......
Large-scale transportation and storage of wood pellets:Investigation of the change in physical prope
The change in physical properties of wood pellets,with a focus on particle size distributions due to pellet breakage and......
Blepharoptosis is present when the upper eyelid is lower than its normal anatomic position in primary gaze. This is seco......
The water collector is operated in the humid and hot environment of the cooling tower all the year round.It also needs t......
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......
Objective:To investigate the possible molecular mechanism of panax notoginseng in the treatment of vitreous hemorrhage(V......
The only peer-reviewed journal in the field of neural regeneration A journal indexed in SCI-E General Disclaimer In cons......
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 ......
神经根型颈稚病是颈稚病的最常见类型,“三小”定点整脊技术为我院特色治疗手段,其小角度、小力度、小幅度的特点,决定了整脊复位......
Effect mechanisms of micro-alloying element La on microstructure and mechanical properties of hypoeu
The rare earth influence on the as-cast microstructures and mechanical properties of aluminum alloys attracted great att......
Numerical Modeling of Deformation at the Baiyun Gold Deposit,Northeastern China:Insights into the St
The Qingchengzi ore field is an important gold-polymetallic center of the North China Cra-ton.It has been recognized tha......
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......
Microstructure and properties evolution of Al-17Si-2Fe alloys with addition of quasicrystal Al-Mn-Ti
The Fe-rich intermetallic compounds in Al17Si-2Fe were modified via Al-Mn-Ti quasicrystal master alloy.The effect of mas......
目的探索完全性肺静脉异位引流(TAPVC)根治术后延迟拔管危险因素,进而指导临床准确选择拔管时机。方法回顾性分析北京安贞医院2011......
以RuCl3·3H2O为原料合成了水溶性钌配合物[(bipy)2Ru(H2O)2](OTf)2(bipy=2,2’-bipyridine,Otf-=triflate),利用DBU(1,8-Diazabic......
Self-toughening ZrB2–SiC based composites are fabricated by in-situ reactive hot pressing. The effect of sintering addi......
本文通过对荣华二采区10...
Considering defects of current single celestial-body positioning methods such as discontinuity and long period, a new su......
Phase Transformation and Its Effect on Mechanical Properties of C300 Weld Metal after Aging Treatmen
The influence of aging temperature on phase transformation and mechanical properties of weld metal of maraging steel(gra......
研究了在真空感应熔炼条件下,不同的固溶处理冷却方式对Ni-Cr-W-Co合金组织和力学性能的影响。结果表明,在试棒上涂覆1309D涂料后......
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......
从分析存在于端板及高强螺栓中的轴增力、压减力及荷载外拉力的概念及三者间关系入手,指出目前高强螺栓计算中关于中和轴位置及荷......
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......
