Results 31 to 40 of about 3,808,670 (254)

Assessment of crystallographic influence on material properties of calcite brachiopods [PDF]

, 2008
Calcium carbonate biominerals are frequently analysed in materials science due to their abundance, diversity and unique material properties. Aragonite nacre is intensively studied, but less information is available about the material properties of ...
A. Pérez-Huerta, Lowenstam, M. Cusack, W. Zhu   +3 more
core   +1 more source

High Quality Factor, High Sensitivity Metamaterial Graphene—Perfect Absorber Based on Critical Coupling Theory and Impedance Matching

Nanomaterials, 2020
By means of critical coupling and impedance matching theory, we have numerically simulated the perfect absorption of monolayer graphene. Through the critical coupling effect and impedance matching, we studied a perfect single-band absorption of the ...
Chunlian Cen, Zeqiang Chen, Danyang Xu, Liying Jiang, Xifang Chen, Zao Yi, Pinghui Wu, Gongfa Li, Yougen Yi   +8 more
doaj   +1 more source

Implication of Surface Properties, Bacterial Motility, and Hydrodynamic Conditions on Bacterial Surface Sensing and Their Initial Adhesion

Frontiers in Bioengineering and Biotechnology, 2021
Biofilms are structured microbial communities attached to surfaces, which play a significant role in the persistence of biofoulings in both medical and industrial settings.
Sherry Zheng, Marwa Bawazir, Atul Dhall, Hye-Eun Kim, Le He, Joseph Heo, Geelsu Hwang, Geelsu Hwang   +7 more
doaj   +1 more source

Physical limits to sensing material properties

, 2019
Constitutive relations describe how materials respond to external stimuli such as forces. All materials respond heterogeneously at small scales, which limits what a localized sensor can discern about the global constitution of a material.
Beroz, Farzan, Lubensky, David K., Mao, Xiaoming, Zhou, Di   +3 more
core   +1 more source

Influence of Material Properties on Interfacial Morphology during Magnetic Pulse Welding of Al1100 to Copper Alloys and Commercially Pure Titanium

Journal of Manufacturing and Materials Processing, 2021
During magnetic pulsed welding (MPW), a wavy interface pattern can be observed. However, this depends on the specific material combination being joined.
Shunyi Zhang, Brad L. Kinsey
doaj   +1 more source

Nanoribbon-ring cross perfect metamaterial graphene multi-band absorber in THz range and the sensing application

Results in Physics, 2019
In this paper, we propose a graphene nanoribbon-ring cross structure. A multi-band absorber is obtained by a simple combination of graphene nanoribbons and and graphene ring. We obtain that the theoretical absorption of three resonance wavelengths are 99.
Zao Yi, Jin Huang, Chunlian Cen, Xifang Chen, Zigang Zhou, Yongjian Tang, Boyun Wang, Yougen Yi, Jian Wang, Pinghui Wu   +9 more
doaj   +1 more source

Load-depth sensing of isotropic, linear viscoelastic materials using rigid axisymmetric indenters [PDF]

, 2016
An indentation experiment involves five variables: indenter shape, material behavior of the substrate, contact size, applied load and indentation depth. Only three variable are known afterwards, namely, indenter shape, plus load and depth as function of ...
de With, G., van de Ven, A. A. F., van der Varst, P. G. Th.   +2 more
core   +9 more sources

Speciation Through the Lens of Population Dynamics: A Theoretical Primer on How Small and Large Populations Diverge

Population Ecology, EarlyView.
Population size and dynamics fundamentally shape speciation by influencing genetic drift, founder events, and adaptive potential. Small populations may speciate rapidly due to stronger drift, whereas large populations harbor more genetic diversity, which can alter divergence trajectories. We highlight theoretical models that incorporate population size
Ryo Yamaguchi, Hidaka Kubo, Tokuya Ogawa, Hayate Omura   +3 more
wiley   +1 more source

Transmission properties of acousto optic material [PDF]

, 2007
Laser beam can be modulated by acousto optic modulator using a suitable acousto optic material. UV-VIS Spectrophotometer was utilized to investigate the transmission spectrum of two non linear acousto optic materials that are lithium niobate and fused ...
Bidin, Noriah, Mat Daud, Nazariah, Mat Daud, Yaacob, Saidin, Mohamad Khairi   +3 more
core  

The influence of copper on the properties of ductile iron for producing centrifugally cast rolls [PDF]

, 2018
An intentional change in material properties is an important condition for castings production. It is one way how to meet the casting requirements of how to adapt the material properties to the operating conditions.
Hampl, Jiří, Hýbl, Tomáš, Válek, Tomáš   +2 more
core   +1 more source