搜索结果: 1-15 共查到“工学 flat”相关记录57条 . 查询时间(0.093 秒)
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...
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 ...
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...
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...
Three gradients and the perception of flat and curved surfaces
Three gradients perception flat curved surfaces
2015/8/13
Researchers of visual perception have long been interested in surfaces. Most psychologists have been interested in the perceived slant of a surface and in the gradients that purportedly specify it. Sl...
Scale-Based Monotonicity Analysis in Qualitative Modelling with Flat Segments
Piecewise Quasi-Monotone Functions Model-Based Diagnostic Qualitative Model Abstraction
2015/8/3
Qualitative models are often more suitable than classical quantitative models in tasks such as Model-based Diagnosis (MBD), explaining system behavior, and designing novel devices from first principle...
What if the touchscreen of your smartphone or tablet could touch you back? What if touch was as integrated into our ubiquitous technology as sight and sound?
Northwestern University and Carnegie Mell...
$18-million NSF investment aims to take flat materials to new heights
take flat materials new heights
2014/10/9
Graphene, a form of carbon in which a single layer of atoms forms a two-dimensional, honeycomb crystal lattice, conducts electricity and heat efficiently and interacts with light in unusual ways. Thes...
浅谈扁平椭圆形风管（Flat Oval Ducts）优缺点及发展前景
扁平椭圆形 风管 优缺点 发展前景
2013/6/25
近来，一种通过机械自动化生产工艺替代传统的半机械化手工制作工艺而成的，形状为椭圆型的风管，逐渐从国外引进至国内，开始批量生产应用。这种风管具有节省材料，漏风量小等特点。
Effects of whole buckwheat flour on physical, chemical, and sensory properties of flat bread, Lavas
pseudo-cereals phytic acid mineral sensory
2014/2/25
The whole buckwheat flour (WBF) was used in Turkish flat bread, lavaş, up to 30% level without gluten, and up to 40% level with gluten and sodium stearoyl-2-lactylate (SSL) additions. Some physic...
This paper presents an alternative approach for achieving higher optical efficiency in conventional parallax barrier 3D mobile displays. The method entails modifying and enhancing the protrusion struc...
A Broadband, Spectrally Flat, High Rep-rate Frequency Comb: Bandwidth Scaling and Flatness Enhancement of Phase Modulated CW through Cascaded Four-Wave Mixing
Broadband Spectrally Flat High Rep-rate Frequency Comb Bandwidth Scaling Flatness Enhancement Phase Modulated CW Cascaded Four-Wave Mixing
2015/5/20
We demonstrate a scheme to scale the bandwidth by several times while enhancing spectral flatness of frequency combs generated by intensity and phase modulation of CW lasers using cascaded four-wave m...