Results 41 to 50 of about 1,160,481 (309)

Enhanced mechanical property and tunable dielectric property of SiCf/SiC-SiBCN composites by CVI combined with PIP

open access: yesJournal of Advanced Ceramics, 2021
The SiBCN matrix via chemical vapor infiltration (CVI) or/and polymer infiltration pyrolysis (PIP) technologies was orderly introduced to SiCf/SiC composites to optimize the mechanical property and electromagnetic (EM) shielding effectiveness ...
Chaokun Song   +5 more
doaj   +1 more source

Electrochemical growth of three-dimensionally ordered macroporous metals as photonic crystals [PDF]

open access: yes, 2010
Over the last two decades three dimensionally ordered macroporous (3-DOM) materials have turned out to be very promising in many applications ranging from optics, plasmonics, to catalyst scaffolds.
Zhu, Rong, Zhu, Rong
core   +1 more source

A new problem in inflammatory bladder diseases: Use of mobile phones!

open access: yesInternational Brazilian Journal of Urology, 2014
Purpose Technological developments provide a lot of conveniences to our lives. This issue is one of the risks that arise along with these conveniences. In our study we tried to understand the impact of electromagnetic waves from mobile phones on bladder
Orhan Koca   +5 more
doaj   +1 more source

In situ estimation of soil hydraulic and hydrodispersive properties by inversion of electromagnetic induction measurements and soil hydrological modeling [PDF]

open access: yesHydrology and Earth System Sciences, 2022
Soil hydraulic and hydrodispersive properties are necessary for modeling water and solute fluxes in agricultural and environmental systems. Despite the major efforts in developing methods (e.g., laboratory-based, pedotransfer functions), their ...
G. Dragonetti   +6 more
doaj   +1 more source

Hybrid Nanostructured Porous Silicon-Silver Layers for Wideband Optical Absorption [PDF]

open access: yes, 2019
As subwavelength nanostructures are receiving increasing attention for photonic and plasmonic applications, we grew nanostructured porous silicon (n-PS) and hybrid n-PS/Ag layers onto silicon substrates and measured their reflection and absorption ...
Lakhtakia, Akhlesh   +3 more
core   +1 more source

Melt Processing and Characterization of Al-SiC Nanocomposite, Al, and Mg Foam Materials

open access: yesMetals, 2016
In the present work, metallic foams of Al, Mg and an Al-SiC nanocomposite (MMNC) have been fabricated using a new manufacturing technique by employing melt infiltration assisted with an electromagnetic force.
Ahmed M. Nabawy   +3 more
doaj   +1 more source

Synthesis of dense bulk MgB2 by an infiltration and growth process [PDF]

open access: yes, 2014
We report the processing of dense, superconducting MgB2 (2.4 g cm-3) by an infiltration and growth technique. The process, which involves infiltration of liquid magnesium at 750 C into a pre-defined boron precursor pellet, is relatively simple, results ...
Babu, NH   +5 more
core   +1 more source

One step synthesis of 3D BaTiO3@C for novel electromagnetic shielding of epoxy composites [PDF]

open access: yesE3S Web of Conferences
The ever-increasing electromagnetic interference (EMI) pollution becomes an important issue in current environmental protection and human society. In this work, 3D BaTiO3(3DBT)@C porous ceramic framework was one-step fabricated by sol-gel method using ...
Zhang Dongmei   +8 more
doaj   +1 more source

Progress in the Preparation of Large-Size High-Performance CuCr Alloys

open access: yesAdvances in Materials Science and Engineering, 2022
CuCr contact material, whose mass fraction of Cr is generally in the range of 25% to 50%, is one of the most desirable contact materials for medium- and high-voltage vacuum switches.
Jin-Ru Han   +3 more
doaj   +1 more source

Computer assisted electromagnetic navigation improves accuracy in computed tomography guided interventions: A prospective randomized clinical trial. [PDF]

open access: yesPLoS ONE, 2017
PURPOSE:To assess the accuracy and usability of an electromagnetic navigation system designed to assist Computed Tomography (CT) guided interventions. MATERIALS AND METHODS:120 patients requiring a percutaneous CT intervention (drainage, biopsy, tumor ...
Pierre Durand   +6 more
doaj   +1 more source

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