Results 61 to 70 of about 142,451 (184)

Precise comparison of theory and new experiment for the Casimir force leads to stronger constraints on thermal quantum effects and long-range interactions

open access: yes, 2005
We report an improved dynamic determination of the Casimir pressure between two plane plates obtained using a micromachined torsional oscillator. The main improvements in the current experiment are a significant suppression of the surface roughness of ...
Decca, R. S.   +5 more
core   +1 more source

Stacked High-Impedance Surface (HIS) for 5 GHz WLAN Applications [PDF]

open access: yes, 2013
In this work we present a stacked high-impedance surface (HIS) for low-profile, high-gain, 5 GHz WLAN antennas. The structure consists of two layers: a lower mushroom layer and an upper planar layer.
Kovacs, P., Puskely, J.
core   +1 more source

Flower-like CuS/reduced Graphene Oxide Composite as Anode Materials for Lithium Ion Batteries

open access: yesInternational Journal of Electrochemical Science, 2018
We developed a liquid phase method to synthesize flower-like CuS/reduced graphene oxide (rGO) composite for lithium ion batteries. The as-obtained products were characterized by XRD, Raman spectra, FESEM and TEM.
Hongdong Liu, Lei Zhang, Haibo Ruan
doaj   +1 more source

A Frequency Selective Surface based focal plane receiver for the OLIMPO balloon-borne telescope

open access: yes, 2014
We describe here a focal plane array of Cold-Electron Bolometer (CEB) detectors integrated in a Frequency Selective Surface (FSS) for the 350 GHz detection band of the OLIMPO balloon-borne telescope.
AndrĂ©n, Daniel   +8 more
core   +1 more source

Development of an Al-Zn-Bi alloy sacrificial anode for the protection of steel in artificial seawater: an electrochemical analysis

open access: yesMaterials Research Express
The Al-Zn sacrificial anodes are widely used for cathodic protection in marine steel structures. This study evaluates the impact of bismuth addition on the electrochemical properties of the Al-Zn sacrificial anode in artificial seawater.
M H Qureshi, A Farooq, M Wasim, K M Deen
doaj   +1 more source

A Highly Effective Copper Nanoparticle Coupled with RGO for Electrochemical Detection of Heavy Metal Ions

open access: yesInternational Journal of Electrochemical Science, 2017
A highly effective copper nanoparticle (CuNP) coupled with reduced graphene oxide was successfully prepared by liquid phase reduction. The as-prepared products were tested with X-ray diffraction, field-emission transmission electron microscopy, and ...
Dan Li   +7 more
doaj   +1 more source

Equivalent circuit model of radiative heat transfer

open access: yes, 2012
Here, we develop a theory of radiative heat transfer based on an equivalent electrical network representation for the hot material slabs in an arbitrary multilayered environment with arbitrary distribution of temperatures and electromagnetic properties ...
Maslovski, Stanislav I.   +2 more
core   +1 more source

Inorganic Filler Sizes Effect on Ionic Conductivity in Polyethylene Oxide (PEO) Composite Polymer Electrolyte

open access: yesInternational Journal of Electrochemical Science, 2013
In the present work, the effect of inorganic fillers with different particle sizes on the composite polymer electrolytes consist of Polyethylene Oxide (PEO), Lithium Trifluoromethanesulfonate (LiCF3SO3) and Ethylene Carbonate (EC) has been explored ...
Y.L. Yap, A.H. You, L.L. Teo, H. Hanapei
doaj   +1 more source

Is Cell Viability Always Directly Related to Corrosion Resistance of Stainless Steels? [PDF]

open access: yes, 2016
It has been frequently reported that cell viability on stainless steels is improved by increasing their corrosion resistance. The question that arises is whether human cell viability is always directly related to corrosion resistance in these biostable ...
Ghaffari, M.   +3 more
core   +1 more source

Comparison of Algorithms and Parameterisations for Infiltration into Organic-Covered Permafrost Soils [PDF]

open access: yes, 2010
Infiltration into frozen and unfrozen soils is critical in hydrology, controlling active layer soil water dynamics and influencing runoff. Few Land Surface Models (LSMs) and Hydrological Models (HMs) have been developed, adapted or tested for frozen ...
Carey, Sean K.   +5 more
core   +2 more sources

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