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A new method for analyzing protein crystals – developed by Cornell researchers and given a funky two-part name – could open up applications for new drug discovery and other areas of biotechnology and ...
Beyond Good Vibrations:New Insights into Metamaterial Magic（图）
Vibrations New Insights Metamaterial Magic
2017/11/23
If invisibility cloaks and other gee-whiz apps are ever to move from science fiction to science fact, we’ll need to know more about how these weird metamaterials actually work. Michigan Tech researche...
Virginia Tech architecture professor,students reduce structural vibrations with simple,groundbreaking device
Virginia Tech architecture professor students reduce structural vibrations with simple groundbreaking device
2017/2/16
A revolutionary portable device invented by Virginia Tech architecture professor Mehdi Setareh with help from students promises to make structural vibration-reducing technology uni...
Phosphate Vibrations Probe Local Electric Fields and Hydration in Biomolecules
Phosphates Water Phospholipids Spectrophotometry, Infrared Electricity Models, Molecular
2016/5/25
The role of electric fields in important biological processes such as binding and catalysis has been studied almost exclusively by computational methods. Experimental measurements of the local electri...
Origins of the Sensitivity of Molecular Vibrations to Electric Fields:Carbonyl and Nitrosyl Stretches in Model Compounds and Proteins
phosphoenolpyruvate carboxylase thermostable limited proteolysis flexible loop main chain connectivity
2016/5/24
The vibrational Stark effect (VSE) is the effect of an electric field on the vibrational spectrum. Typically, the largest change induced by an electric field is the linear frequency shift whose sensit...
Bad vibrations:UCI researchers find security breach in 3-D printing process
Bad vibrations UCI researchers security breach 3-D printing process
2016/3/11
With findings that could have been taken from the pages of a spy novel, researchers at the University of California, Irvine have demonstrated that they can purloin intellectual property by recording a...
Lecture Notes on Nonlinear Vibrations.
Using delay to quench undesirable vibrations
Differential-delay equations Hopf bifurcation Perturbation methods
2015/8/27
A van der Pol type system with delayed feedback is explored by employing the two vari-able expansion perturbation method. The perturbation scheme is based on choosinga criticalvalue for the de-lay cor...
Lecture Notes on Nonlinear Vibrations.
Vortex-Induced Vibrations of an Inclined Cylinder in Flow
Vortex-Induced Vibrations Inclined Cylinder Flow
2014/10/23
When a bluff body is placed in flow, vortices are shed downstream of the body. For the case of a bluff body with a circular cross-section (a cylinder) attached to a spring and a damper, when the frequ...
Deep within spinach leaves, vibrations enhance efficiency of photosynthesis（图）
Short pulses of light The molecular vibration Photosynthesis Charge separation Cells biology
2014/7/18
ANN ARBOR—Biophysics researchers at the University of Michigan have used short pulses of light to peer into the mechanics of photosynthesis and illuminate the role that molecule vibrations play in the...
VIBRATIONS OF A GYROCOPTER – AN ANALYSIS USING IMUS
Aerial Analysis IMU Platforms Test Imagery
2014/4/25
As a part of a research project on the development of a low-cost sensor system for use on gyrocopters several investigations on the recording of aerial image blocks have been carried out during the la...
Nonlinear free flexural vibrations of functionally graded rectangular and skew plates under thermal environments
Functionally graded plate nonlinear free vibration aspect ratio temperature gradient index
2011/9/21
Abstract: The nonlinear formulation developed based on von Karman's assumptions is employed to study the free vibration characteristics of functionally graded material (FGM) plates subjected to therma...
Alfven seismic vibrations of crustal solid-state plasma in quaking paramagnetic neutron star
Alfven seismic vibrations paramagnetic neutron star
2010/11/11
Magneto-solid-mechanical model of two-component, core-crust, paramagnetic neutron star responding to quake-induced perturbation by differentially rotational, torsional, oscillations of crustal electro...
Radiative activity of magnetic white dwarf undergoing Lorentz-force-driven torsional vibrations
magnetic white dwarf non-radial pulsations magneto-dipole emission
2010/11/11
We study radiative activity of magnetic white dwarf undergoing torsional vibrations about axis of its own dipole magnetic moment under the action of Lorentz restoring force. It is shown that pulsating...