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In 1983, after a storm washed out an unstable pedestrian bridge over Ithaca’s Fall Creek, the Cornell student chapter of the American Society of Civil Engineers (ASCE) rebuilt it. Forty years later, i...
为研究黏结键软化效应在岩石破坏离散元模拟过程中的影响，将黏结裂缝模型的软化关系引入到Flat-Joint本构模型中，使颗粒间发生黏结破坏时考虑软化效应，并通过C++语言生成供颗粒流程序(PFD2D)调用的离散元本构子程序(DLL)。模拟岩石单轴压缩过程，根据其应力–应变曲线、软化黏结键数量和断裂黏结键数量变化曲线将破坏过程划分为以下5个阶段：线性上升段、非线性上升段、非线性下降段、脆性下降段和残余...
“Fizzy” soda water could be key in clean and sustainable manufacture of “flat” wonder material:graphene（图）
Fizzy soda water clean sustainable manufacture flat wonder material graphene
2017/9/5
Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign h...
Ernst Sachse: Concertino for Cornet and Brass Band in E flat（音频）
Ernst Sachse Concertino for Cornet and Brass Band in E flat 音频
2017/3/31
Ernst Sachse: Concertino for Cornet and Brass Band in E flat（音频）。
The brown recluse spider engineers extra-strong silk by spinning loops onto a flat strand
The brown recluse spider engineers extra-strong silk spinning loops flat strand
2017/3/14
It helps to know a little about the brown recluse to fully understand the discovery about what makes the silk of this particular spider so strong.An international collaboration between William & Mary ...
Flat-footed competitors have fighting advantage
Flat-footed competitors fighting advantage
2017/2/16
A heel-down posture -- a feature that separates great apes, including humans, from other primates -- confers advantages in fighting, according to a new study published today in the journal Biolog...
Flat-footed fighters
Flat-footed fighters
2017/3/13
Walking on our heels, a feature that separates great apes, including humans, from other primates, confers advantages in fighting, according to a new University of Utah study published Feb. 15 in&...
Flat-footed competitors have fighting advantage
Flat-footed competitors fighting advantage
2017/3/14
A heel-down posture -- a feature that separates great apes, including humans, from other primates -- confers advantages in fighting, according to a new study published today in the journal Biolog...
Computational Design Tool Transforms Flat Materials Into 3-D Shapes
Computational Design Tool Transforms Flat Materials 3-D Shapes
2016/8/1
A new computational design tool can turn a flat sheet of plastic or metal into a complex 3-D shape, such as a mask, a sculpture or even a lady’s high-heel shoe.
Researchers at Carnegie Mellon Univers...
Many things in the natural world are geometrically chiral, meaning they cannot be superimposed onto their mirror image. Think hands — right and left hands are mirror images but if you transplanted a r...
Effects of Taping and Orthoses on Foot Biomechanics in Adults with Flat-Arched Feet
FOOT ORTHOSES GAIT BIOMECHANICS FOOT THERAPY
2017/4/13
Purpose: There is a paucity of evidence on the biomechanical effects of foot taping and foot orthoses in realistic conditions. This study aimed to determine the immediate effect and relationships betw...
Fiscal Consolidation and the New Flat Rate Individual Income Tax in Hungary
Fiscal policy Flat rate tax Social policy Tax principles Tax system
2016/1/27
In the last two years the Hungarian people have witnessed several new measures in government’s fiscal policy. To respond to global crisis that hit Hungary hard, the Bajnai government enacted a series ...
APPLICATION AND ANALYSES OF AIRBORNE LIDAR TECHNOLOGY IN TOPOGRAPHIC SURVEY OF TIDAL FLAT AND COASTAL ZONE
Coast Application LIDAR DEM Surveying
2015/12/28
LIDAR(Light Detection and Ranging) is a new technology of acquiring three-dimensional (3D) coordinates with high precise and density, which gathers laser measure distance, computer, GPS(Global Positio...
Application and Analyses of Airborne LIDAR Technology in Topographic Survey of Tidal Flat And Coastal Zone
Coast, Application LIDAR DEM Surveying
2015/12/8
LIDAR(Light Detection and Ranging) is a new technology of acquiring three-dimensional (3D) coordinates with high precise and density, which gathers laser measure distance, computer, GPS(Global Positio...
Research on Spaceborne InSAR Images Registration and Removal of the Effect of the Flat Earth
Interferometric SAR Images Registration Removal of the Effect of the Flat Earth
2015/11/20
Interferometric Synthetic Aperture Radar (INSAR) is a good technique to produce high resolution digital elevation model (DEM), to detect small earth motions, and so on. Therefore, it is very useful to...