Results 111 to 120 of about 770,468 (299)

Tempi di Tunnelling (Tunneling Times)

, 1998
In this review (in Italian) we critically and detaily examine various definitions existing in the literature for the tunnelling times: namely, the phase-time; the centroid-based times; the Buttiker and Landauer times; the Larmor times; the complex (path-integral and Bohm) times; the dwell time, and the generalized (Olkhovsky and Recami) dwell time ...
Privitera, Giuseppe, Recami, Erasmo, Olkhovsky, Vladislav S.   +2 more
openaire   +2 more sources

Gourd‐Inspired Design of Unit Cell with Multiple Gradients for Physiological‐Range Pressure Sensing

Advanced Functional Materials, EarlyView.
Gourd‐shaped micro‐dome arrays with coordinated modulus, conductivity, and geometric gradients co‐optimize sensitivity and linearity in piezoresistive tactile sensors. Under pressure, a solid upper dome embeds into a porous lower dome, triggering rapid contact‐area growth and series‐to‐parallel conduction, enabling unsaturated, intensity‐resolved ...
Jiayi Xu, Ming Lei, Yuanzhe Liang, Biao Qi, Ziyi Dai, Yong Zhao, Bingpu Zhou   +6 more
wiley   +1 more source

Research on multi-objective optimization method of Z-shaped pipeline structure based on Kriging model

Scientific Reports
Slurry pipeline transportation is widely used in dredging and serves as an essential method for conveying solid materials. However, accurately describing the interaction between slurry and particles through numerical simulations, while optimizing the ...
Chunya Sun, Zhengdong Xiao, Yanqiu Xiao, Zhifang Xu, Wanbin Cui, Pengpeng Wang, Zhanpeng Fang, Guangzhen Cui, Lianhui Jia   +8 more
doaj   +1 more source

Synthesis of a control model for a liquid nitrogen cooled, closed circuit, cryogenic nitrogen wind tunnel and its validation [PDF]

The details of the efforts to synthesize a control-compatible multivariable model of a liquid nitrogen cooled, gaseous nitrogen operated, closed circuit, cryogenic pressure tunnel are presented.
Balakrishna, S., Goglia, G. L.
core   +1 more source

Exploring Artistic Learning Through the Creation of Tunnel Books [PDF]

, 2013
This paper discusses the results of an autoethnographic, arts-based study that explored artistic learning through the creation of tunnel books. The researcher, an art teacher at a private Catholic school, chose the Painted Churches of Schulenburg, TX as
Reynolds, Janet
core   +1 more source

A New Threshold Switching Device With Tunable Negative Differential Resistance Based on ErMnO3 Polymorphs

Advanced Functional Materials, EarlyView.
Polymorph engineering in ErMnO3 enables low‐voltage, forming‐free threshold switching with tunable negative differential resistance. Conducting orthorhombic regions embedded in an insulating hexagonal matrix provide controlled Joule‐heating‐enhanced Poole–Frenkel transport. The hexagonal phase prevents excessive heating and breakdown.
Rong Wu, Florian Maudet, Thanh Luan Phan, Wassim Hamouda, Richard Schroedter, Ahmet Samil Demirkol, Ronald Tetzlaff, Veeresh Deshpande, Catherine Dubourdieu   +8 more
wiley   +1 more source

Shuttle orbiter boundary layer transition at flight and wind tunnel conditions [PDF]

, 1983
Hypersonic boundary layer transition data obtained on the windward centerline of the Shuttle orbiter during entry for the first five flights are presented and analyzed. Because the orbiter surface is composed of a large number of thermal protection tiles,
Bertin, J. J., Derry, S. M., Goodrich, W. D.   +2 more
core   +1 more source

Photon tunneling microscopy

Applied Optics, 1989
Abstract The Photon Tunneling Microscope is used to provide high resolution (subnanometer vertical), quantifiable, real-time, 3-D (with continuously variable viewpoint) imaging and profilometry of homogenous dielectric samples, whether transparent or absorbing. A partial list of these includes: thin films (micraroughness.
openaire   +2 more sources

2D Magnetic and Topological Quantum Materials and Devices for Ultralow Power Spintronics

Advanced Functional Materials, EarlyView.
2D magnets and topological quantum materials enable ultralow‐power spintronics by combining robust magnetic order with symmetry‐protected, Berry‐curvature‐driven transport. Fundamentals of 2D anisotropy and spin‐orbit‐coupling induced band inversion are linked to scalable growth and vdW stacking.
Brahmdutta Dixit, Yifei Yang, Shawn Li, Yu‐Chia Chen, Qi Jia, Jian‐Ping Wang   +5 more
wiley   +1 more source

Assessment of Rainfall Variability over Karnataka state in India

Natural Hazards Research
Karnataka state situated in the southern part of India is surrounded by a long coast line and western ghat mountain regions on the western side. The rainfall distribution shows a large variability in different parts of the state.
Krushna Chandra Gouda, Nikhilasuma P, Mahendra Benke, Geeta Agnihotri   +3 more
doaj   +1 more source