Results 91 to 100 of about 26,897 (288)

Integrable Families of Hard-Core Particles with Unequal Masses in a One-Dimensional Harmonic Trap

Physical Review X, 2017
We show that the dynamics of particles in a one-dimensional harmonic trap with hard-core interactions can be solvable for certain arrangements of unequal masses.
N. L. Harshman, Maxim Olshanii, A. S. Dehkharghani, A. G. Volosniev, Steven Glenn Jackson, N. T. Zinner   +5 more
doaj   +1 more source

Nano-Structured Gratings for Improved Light Absorption Efficiency in Solar Cells

Energies, 2016
Due to the rising power demand and substantial interest in acquiring green energy from sunlight, there has been rapid development in the science and technology of photovoltaics (PV) in the last few decades.
Farzaneh Fadakar Masouleh, Narottam Das, Seyed Mohammad Rozati   +2 more
doaj   +1 more source

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

Advanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal, Cevher Kursat Macit, Merve Ayık, Hakan Tutumlu   +3 more
wiley   +1 more source

Partnership Arrangements: Governmental Rhetoric or Governance Scheme? [PDF]

, 2002
It has become popular to advocate partnership arrangements. Such partnerships may be seen as new forms of governance, which fit in with the imminent network society.
Erik‐Hans Klijn, Klijn, Erik Hans, Teisman, G.R. (Geert), Klijn, E-H. (Erik-Hans), Geert R. Teisman, Teisman, Geert   +5 more
core   +1 more source

Updated urban facade design for quieter outdoor spaces

Journal of Facade Design and Engineering, 2017
The increasing migration into cities leads to an increasing number of people stressed by noise. More and more people are moving into urban settings comprised of multiple noise sources and hard reflective glass and steel facades.
Jochen Krimm, Ulrich Knaack, Holger Techen   +2 more
doaj   +1 more source

On inductively free reflection arrangements

, 2012
Suppose that W is a finite, unitary reflection group acting on the complex vector space V. Let A = A(W) be the associated hyperplane arrangement of W. Terao has shown that each such reflection arrangement A is free. There is the stronger notion of an inductively free arrangement.
Hoge, Torsten, Roehrle, Gerhard
openaire   +2 more sources

Influence of Scan Strategies in Electron Beam Powder Bed Fusion on Solidification, Microstructure, and High‐Temperature Compressive Properties of γ′‐Strengthened Inconel 738LC

Advanced Engineering Materials, EarlyView.
Experiments and thermophysical simulations were conducted to investigate the electron beam powder bed fusion electron beam (PBF‐EB/M) process for the γ′‐strengthened nickel‐based superalloy Inconel 738LC. The results demonstrate the impact of process‐induced microstructural variations on high‐temperature mechanical behavior, providing a basis for ...
Jan Niklas Petenati, Karthik Kumar Banku, Prasanth Bondi, Ivan Zhirnov, Yangyiwei Yang, Gordon Schmidt, Jürgen Christen, Georg Hasemann, Manja Krüger, Bai‐Xiang Xu, Bilal Gökce, Silja‐Katharina Rittinghaus   +11 more
wiley   +1 more source

« Faire connaissance avec la fragilité des choses »

Revue d'anthropologie des connaissances
This text is a reflection on material fragilities, grounded in the discussion of two case studies, which look at the reclamation of red mud from bauxite mining in Gardanne and the management of sealed biological samples used in the production of DNA ...
Ashveen Peerbaye
doaj   +1 more source

Additive Manufacturing of Alumina‐Reinforced Elastomers

Advanced Engineering Materials, EarlyView.
Vat‐photopolymerized elastomers reinforced with platelet‐shaped alumina exhibited preferential orientation, reduced porosity, and significantly enhanced mechanical performance. A 3 wt% platelet loading increased tensile strength from 12.4 to 45.7 MPa, highlighting the critical role of filler morphology in elastomeric VPP composites.
Majid Barzegar Keyvani, Zongwen Fu, Robert Göstl, Hamed Shokri, Carmine Putignano, Gianluca Percoco, Bilal Gökce   +6 more
wiley   +1 more source

Modulation of light localization in the iridophores of the deep-sea highlight hatchetfish Sternoptyx pseudobscura under magnetic field

AIP Advances, 2017
Efficient light control by certain tissue in bioluminescent fish offers potential for new optical devices. In the world’s deep-seas, there are numerous fish species with such bioluminescence yet to be discovered.
M. Iwasaka, S. Ohtsuka
doaj   +1 more source