FRAC相关论文
High-entropy perovskite RETa3O9 ceramics for high-temperature environmental/thermal barrier coatings
Four high-entropy perovskite(HEP)RETa3O9 samples were fabricated via a spark plasma sintering(SPS)method,and the corresp......
目的:探讨痴呆对≥60岁髋部骨折患者手术疗效的影响。方法:以2012年1月至2017年12月解放军总医院第七医学中心骨科收治的91例≥60......
Shale samples of Silurian Longmaxi Formation in the Changning area of the Sichuan Basin, SW China, were selected to carr......
Integrated geological,geochemical and geophysical investigations have been carried out for the groundwater management in......
基于多种湍流风谱模型并考虑湍流强度、地表粗糙度及空间高度对湍流风的影响,获取各种环境条件下的湍流风风速时间序列数据并生成......
Wang N. et al. reported the discovery of a new type of two-dimensional quasicrystal with eightfold symmetry in rapidly s......
Fracture theory is a classic,but not a well-dealt with,difficulty in solid mechanics. This paper has proposed the concep......
The United States carried out the first hydraulic fracturing in 1947 after 60 years of development, and has made amazing......
Numerical simulation and data assimilation of the water-energy cycle over semiarid northeastern Chin
The default fractional vegetation cover and terrain height were replaced by the estimated fractional vegetation cover, w......
Plasticized poly(L-lactide)(PLLA) materials have been applied in many fields and the microstructure performance of such ......
NO.1Accm’ate Detection of High—Speed Multi—Target Video Sequences Motion Regions Based 011 Reconsttucted Background D......
Statistical regularity of road network features and ecosystem change in the Longitudinal Range-Gorge
As an intrinsic disturbance factor of landscapa,roads are conspicuous artificial components.Regional landscape pattern a......
Hydrochemistry, Origin and Evolution of Sedimentary Subsurface Fluids:——Ⅱ. Early diagenetic pore-wat
High sedimentation-rate basins are characteristic of the continental margins, where sedimentation ratesup to 500m/Ma an......
Ｍｉｃｒｏｅａｒｔｈｑｕａｋｅａｎａｌｙｓｉｓｆｏｒｈｙｄｒａｕｌｉｃｆｒａｃ┐ｔｕｒｉｎｇｐｒｏｃｅｓＹＩＮＧ－ＰＩＮＧＬＩ（李应平）ＤｅｐａｒｔｍｅｎｔｏｆＥａｒｔｈ，ＡｔｍｏｓｐｈｅｒｉｃａｎｄＰｌａｎｅｔａｒｙＳｃｉｅｎｃｅｓ，Ｍａｓａｃｈ...
Microearthquake analysis for hydraulfrac┐turingprocesYING-PINGLI DepartmentofEarth, AtmosphericandPlan......
Experimental investigation and numerical simulation on the effect of fissure water pressure in verti
This paper studies the effect of fissure water pressure in different fractures on the critical angle of landslide by lab......
Mineralisation is the result of the coupled multi-geodynamic processes in the crust. The coupled mechano-thermo-hydrolog......
Quantitative study of landscape patterns in homogenous carbonate rock distributed regions in Guizhou
With the utilization of GIS software, research is conducted on (a) the characteristics of cells, fragmentation, and patc......
The process of preparing SiCfiber-reinforced y-TiAl composites by the conventional methods is difficult and complicated ......
[目的]分别构建膜内成骨骨修复模型和软骨内成骨骨修复模型.[方法]取BALB/c小鼠64只,随机分为骨皮质钻孔模型组和骨膜划痕模型组.......
The study of flow behaviour of water-sand mixtures in fractured rocks is of great necessity to understand the producing ......
Closed form soliton solutions of three nonlinear fractional models through proposed improved Kudryas
We introduce a new integral scheme namely improved Kudryashov method for solving any nonlinear fractional differ-ential ......
The success of new scientific areas can be assessed by their potential for contributing to new theoretical approaches al......
1991年,区域性当代艺术收藏中心(FRAC中心)决定将收藏范围集中于一个具体的领域,即艺术和建筑之间的关系。居于此目的,中心开始收......
六月份UIA大会在北京召开,这是世界建筑师在本世纪的最后一次大聚会。回顾20世纪、展望21世纪的建筑发展将可能是与会建筑师们的基......
Oxygen isotope and REE geochemistry of metamorphic veins within the Zhoutan Group, central Jiangxi P
Geochemical studies on REE, trace elements and oxygen isotopes from metamorphic veins and their host metasedimentary roc......
An experimental study was conducted to investigate the feasibility of a proposed rapid repair technique for severely ear......
Purification and Crystallization of Flammulin,a Basic Protein with Anti-tumor Activities from Flammu
Flammulin, an anti-tumor protein, was purified from the aqueous extract of basidiomes of Flammulina Velutipes to electro......
A strain isolated from the fruiting body of a fungus parasitized on Elaphomyces was identified as Cordyceps ophioglossoi......
Recycling gas drilling is a new drilling technology. This paper can be divided into three parts, with the purpose of int......
Variations in carbon isotopic composition in the subcontinental lithospheric mantle beneath the Yang
The components and evolution of subcontinental lithospheric mantle beneath the North China Craton and the Yangtze Craton......
Microstructure, fracture behavior, in vitro corrosion resistance,and cytotoxicity of Zn-Mg/Mg-Zn-HAp
Ideal biodegradable materials exhibit suitable degradation rates and sufficient mechanical properties for their specific......
Effect of Post Weld Heat Treatment on Toughness of Base Metal of Nuclear Reactor Pressure Vessel Ste
The effect of post weld heat treatment (PWHT) on the toughness of nuclear reactor pressure vessel steel was investigated......
The mechanism of damage evolution and fracture in A357 casting alloys was investigated by in-situ scanning electron micr......
Molecular Dynamics Simulation of Tensile Deformation and Fracture of γ-TiAl with and without Surface
Molecular dynamics simulation of uniaxial tension along [001] has been performed to study the influence of various surfa......
X-ray tomography was used to characterize the porosity in high pressure die casting of AM60B alloy. In situ tensile defo......
Late Mesozoic granitic magmatism(158–112 Ma) are widespread in the southern margin of the North China Craton(NCC), cont......
A hot-mix asphalt (HMA) overlay is one of the primary strategy for rehabilitating existing HMA pavements and Portland ce......
A new blind frequency offset estimation method based on cyclic prefix and virtual subcarriers in coherent optical orthog......
A low power fully integrated digital TV tuner chip for China Mobile Multimedia Broadcasting(CMMB) application is present......
An Improved Robust Model Predictive Control Approach to Systems with Linear Fractional Transformatio
In this paper, a robust model predictive control approach is proposed for a class of uncertain systems with time-varying......
With a reasonable parameter configuration,the passive dynamic walking model has a stable,efficient,natural periodic gait......
本文通过对荣华二采区10...
为了改善迄今轴承腔油滴运动分析未包含油滴与空气热量传递以及油滴相/空气介质均相处理中油滴含率确定方式不够准确的不足,借助单......
Microstructure and properties of an Al-Zn-Mg-Cu alloy pre-stretched plate under various ageing condi
The microstructures after various ageing treatments and their relation to the strength, fracture toughness, and corrosio......
Electron beam welding(EBW) has been widely used in the manufacture of titanium alloy welded blisk for aircraft engines. ......
研究了Mg-8Li-3Al-Y合金在温度为280℃时多道次不同压下率的轧制变形以及轧后热处理,通过金相(OM)显微组织观察、力学性能测试、扫......
...
Minimally invasive percutaneous compression plating versus dynamic hip screw for intertrochanteric f
Objective:Intertrochanteric femur fracture is a common injury in elderly patients.The dynamic hip screw (DHS) has served......
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......
