Results 31 to 40 of about 481,484 (270)

Academic Search Engines: Constraints, Bugs, and Recommendation [PDF]

open access: yesarXiv, 2022
Background: Academic search engines (i.e., digital libraries and indexers) play an increasingly important role in systematic reviews however these engines do not seem to effectively support such reviews, e.g., researchers confront usability issues with the engines when conducting their searches.
arxiv  

Specific Features of Solid Fuels Combustion in Oxygen Atmosphere with Recirculation of CO2

open access: yesEurasian Chemico-Technological Journal, 2015
Aspects of coal combustion have been experimentally studied under oxyfuel conditions, one of the promising technologies for carbon capture and storage (CCS). Here, the thermogravimetric analysis (TGA) method was chosen as an experimental technique.
D. A. Melnikov, G. A. Ryabov
doaj   +1 more source

Ecological restoration of degraded pasture lands in the Circum-Caspian Sea semi-desert [PDF]

open access: yesE3S Web of Conferences, 2020
For the ecological restoration of desert lands, the dominant species of fodder plants of the natural flora of the violent and patient ecology were used: Krascheninnikovia ceratoides (L.) Gueldenst., Bassia prostrata (L.) A.J. Scott, Camphorosma lessingii
Shamsutdinov Nariman   +2 more
doaj   +1 more source

On Gender, Ethnicity, and Culture in Empirical Software Engineering Research [PDF]

open access: yes11th International Workshop on Cooperative and Human Aspects of Software Engineering (CHASE), 2018, 2019
This note highlights the importance of investigating diversity aspects in combination in empirical research. It draws on the psychological discourse and suggests why and how software engineering scholars can use the aspect of diversity in all their research endeavors.
arxiv   +1 more source

EARTHQUAKE PREDICTION BASED ON THE HYDROGEODEFORMATION FIELD MONITORING DATA

open access: yesГеодинамика и тектонофизика, 2015
The paper discusses further ways to improve the geodynamic informativity of the hydrogeodeformation field (HGD field) monitoring. New methods for efficient assessment of the stressstrain state of the geological environment and seismic hazard are proposed.
Gennady V. Kulikov, Albert A. Ryzhov
doaj   +1 more source

Conceptual approaches to assessment and allocation of unused lands for organic agriculture projects

open access: yesНовые технологии, 2021
The purpose of the research is to develop a scientifically based system for assessing and allocating unused agricultural lands for the creation of organic agriculture projects. The Methods.
V. V. Borodychev   +2 more
doaj   +1 more source

Adaptive Quantum Heat Engines [PDF]

open access: yesarXiv, 2021
For heat engines working between two heat baths, functionality is often conditioned on a set of fixed constraints such as given internal structure of the engine and given temperatures for the baths. It is, however, important to devise heat engines which can function adaptively, in particular when the engine is a quantum system and the baths are subject
arxiv  

1.4 W Passively Q-Switched Mode-Locked Tm:CALGO Laser with a MoS2 Saturable Absorber

open access: yesPhotonics
The passively Q-switched mode-locked (QML) operation of a Tm:CaGdAlO4 (Tm:CALGO) bulk laser pumped by a wavelength-tunable Ti:sapphire oscillator using molybdenum disulfide (MoS2) as a saturable absorber was demonstrated.
Weijun Ling   +10 more
doaj   +1 more source

Harnessing energy extracted from heat engines to charge quantum batteries [PDF]

open access: yesarXiv, 2023
We explore the performance of three- and two-stroke heat engines with a qutrit working substance in charging two-level quantum batteries. We first classify the heat engines into two groups depending on their working methods. The first type of heat engine, the sequential engine, evolves through three distinct strokes, viz., heat, work, and cold strokes.
arxiv  

SimJEB: Simulated Jet Engine Bracket Dataset [PDF]

open access: yes, 2021
This paper introduces the Simulated Jet Engine Bracket Dataset (SimJEB): a new, public collection of crowdsourced mechanical brackets and accompanying structural simulations. SimJEB is applicable to a wide range of geometry processing tasks; the complexity of the shapes in SimJEB offer a challenge to automated geometry cleaning and meshing, while ...
arxiv   +1 more source

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