Results 71 to 80 of about 4,760,883 (304)
Advanced Materials, EarlyView.Mobile‐atom percolation underlying β‐relaxations fundamentally dictates the crystallization pathways of phase‐change materials. High‐frequency ultrasonic excitation dynamically modulates this critical mobility percolation network, substantially accelerating the crystallization process.
Yu‐Yao Liu +11 more
wiley +1 more source
Acta AcusticaResidential perimeter blocks can shield traffic noise, but the acoustical quality may be sub-optimal in the inner courtyards. This study investigated how effective sound-absorbing facade surfaces and balcony soffits as well as an absorbing floor (lawn ...
Eggenschwiler Kurt +3 more
doaj +1 more source
Parametric Analysis of Acoustical Requirements for Lateral Reflections: Melbourne Recital Hall Case Study [PDF]
Journal of Systemics, Cybernetics and Informatics, 2013 This paper is an investigation of the Melbourne Recital Centre as a case study to define the parameters necessary for good acoustical quality as it relates to the Binaural Quality Index and determining the intimacy of the hall by its initial time delay ...
Erica Claustro, Jacquelyn Haas
doaj
MULTI-WAVE ULTRASONIC CONTROL OF CONCRETE
Наука и техника, 2017 The existing non-destructive testing system of structure concrete is actually orientated on the usage of longitudinal acoustical waves. This is due to simplicity of technical realization for measuring velocity (time) of acoustical pulse propagation in ...
D. Yu. Snezgkov, S. N. Leonovich
doaj +1 more source
Acoustical road parameters identification
, 2009 Many impedance models can be used for describing the acoustical behaviour of a road. These models rely on some intrinsic parameters (2,3 or 4), which are difficult to measure in the field.
Golay, Francis +2 more
core
Biohybrid Crawling Robot With Spiral‐Spring Backbone and Inclined Legs for Enhanced Locomotion
Advanced Materials, EarlyView.We present a biohybrid crawling robot integrating a muscle ring with a flexible skeleton combining two complementary structural elements. The spiral‐spring backbone enables large‐amplitude bending without compromising axial stability, while outward‐inclined legs with unequal front–rear lengths effectively convert deformation into directional strides ...
Tomohiro Morita +2 more
wiley +1 more source
Evaluation of Acoustic Parameters of Churces
, 2010 The purpose of this paper is to give an evaluation of subjective and objective acoustic parameters in two architecturally different churces in Zagreb, Croatia. These churches have completely different architectural parameters due to different style, shape and volume.
Vodopija, Janko +2 more
openaire +2 more sources
Demagnetization‐Driven Nanoscale Chirality‐Selective Phonon Transport
Advanced Materials, EarlyView.Chiral heat flow is switched in a ferromagnet/chiral α‐SiO2 heterostructure by controlling the angular momentum of demagnetization‐driven chiral phonons. When phonon handedness matches the crystal chirality, nanoscale thermal transport is enhanced; the opposite handedness suppresses transport, establishing a magnetization‐tunable chiral phonon diode ...
In Hyeok Choi +8 more
wiley +1 more source
Holistic optimization of noise barriers from acoustical and non-acoustical parameters
, 2012 We present the last results obtained within WP5 "Holistic optimizations" of the QUIESST European Project dedicated to the assessment of Noise Reducing Devices' acoustical performances.
Lutgendorf, D. +6 more
core
Speech related acoustical parameters in classrooms and their relationships
, 2008 A survey on the speech related acoustical parameters in the Hong Kong classrooms having standardized architectural layouts is carried out in the present study.
Tang, S. K.
core +1 more source