Results 91 to 100 of about 419,115 (223)

Construction and application of full chain intelligent system in 450 m working face

open access: yesMeitan kexue jishu
Aiming at the major technical challenges such as complex mine pressure behavior, difficult coordinated control of equipment group and high requirements for mining and transportation balance caused by scale effect in super-long working face of medium ...
Ruyu YAN   +5 more
doaj   +1 more source

Control of Polarization and Polar Helicity in BiFeO3 by Epitaxial Strain and Interfacial Chemistry

open access: yesAdvanced Functional Materials, EarlyView.
In BiFeO3 thin films, the interplay of interfacial chemistry, electrostatics, and epitaxial strain is engineered to stabilize homohelicity in polarization textures at the domain scale. The synergistic use of a Bi2O2‐terminated Aurivillius buffer layer and a highly anisotropic compressive epitaxial strain offers new routes to control the polar‐texture ...
Elzbieta Gradauskaite   +5 more
wiley   +1 more source

Carolina Shearer-Sherers and Others - Accession 715 no. 4 [PDF]

open access: yes, 2016
Carolina Shearer-Sherers and Others compiled by Iva LaRou Sherer chronicles the family history and genealogy of the family living in York County, South Carolina and surrounding areas. In addition to Mrs.
Sherer, Iva LaRou   +1 more
core   +1 more source

From Food to Power: Hydrogel Thermoelectrics for Ingestible Electronics

open access: yesAdvanced Functional Materials, EarlyView.
We introduce a fully edible thermoelectric–electrochromic platform that harvests heat from food and converts it into a visible color change. N‐type and p‐type hydrogel thermoelectric generators connected in series power anthocyanin‐based electrochromic displays, demonstrating the feasibility of safe, biodegradable, ingestible systems for on‐food ...
Antonia Georgopoulou   +3 more
wiley   +1 more source

Quantifying Subsurface Weak in‐Plane Magnetization of Mixed Phase BiFeO3 by Scanning Nitrogen Vacancy Magnetometry

open access: yesAdvanced Functional Materials, EarlyView.
We use scanning nitrogen vacancy magnetometry to directly image the weak in‐plane magnetic moments in mixed phase BiFeO3 at the nanoscale and quantify the local magnetic moments to be 18.8±2.0 μB/nm2 in the rhombohedral‐like phase and 1.5±0.6 μB/nm2 in the well‐known non‐magnetic tetragonal‐like phase.
Lei Wang   +14 more
wiley   +1 more source

Glissile Interphase Boundaries Enable Collective Phase Switching in Epitaxial Polar Oxides

open access: yesAdvanced Functional Materials, EarlyView.
A triple point is identified in the phase diagram of low‐symmetry epitaxial BiFeO3 thin film along with an extended regime of phase competition associated with a flattened energy landscape. The electromechanical response is shown to be governed by correlated interphase‐boundary motion, including scale‐free avalanche dynamics characteristic of systems ...
Mohammad Moein Seyfouri   +11 more
wiley   +1 more source

Research on the Intelligent System Architecture and Control Strategy of Mining Robot Crowds

open access: yesEnergies
Despite the pressure of carbon emissions and clean energy, coal remains the economic backbone of many developing countries due to its abundant resources and widespread distribution.
Zenghua Huang   +4 more
doaj   +1 more source

Structure‐Guided Dynamical Mechanics in Bioinspired Double Twisted Laminated Thin Films

open access: yesAdvanced Functional Materials, EarlyView.
This work explores a dynamic mechanistic study of crack propagation and puncture testing via real‐time monitoring of crack initiation, propagation, and termination through nature‐inspired single and double twisted architectures fabricated from cellulose nanocrystals.
Justin Brackenridge   +4 more
wiley   +1 more source

Theory and key technologies for intelligent fully-mechanized top-coal caving faces of annual production of millions of tons

open access: yesMeitan kexue jishu
The research focused on addressing various challenges in intelligent top caving theory, intelligent perception and recognition key technology, intelligent caving comprehensive decision-making technology, and remote caving intelligent control technology ...
Bin YU   +7 more
doaj   +1 more source

Enhanced TOA-based Indoor-Positioning Algorithm for Mobile LTE Cellular Systems

open access: yes, 2011
This work proposes an effective time delay estimation procedure for performance improvements of positioning techniques in LTE cellular systems. We exploit a fast parabolic interpolation running on three estimated samples in the neighborhood of the coarse
F. Benedetto   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy