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Enclosure enhances grassland plant diversity and community stability more effectively than grazing and mowing by strengthening species turnover regulation and soil process driving [PDF]

open access: yesFrontiers in Plant Science
Grassland ecosystems are profoundly influenced by land management practices, yet the long-term mechanisms linking plant diversity and community stability remain unclear.
Mengyuan Shi   +11 more
doaj   +2 more sources

A method for dating archaeological structures based on astronomical alignments [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2022
A method for dating archaeological structures, based on their astronomical alignments, is presented. In this method, the number of alignments falling within a tolerance band is calculated in suitable time bins.
Gaspani Adriano , Spagocci Stefano
doaj   +1 more source

Safe Ventilation Methods against Leaks in Hydrogen Fuel Cell Rooms in Homes

open access: yesEnergies, 2022
Hydrogen, which has a high energy density and does not emit pollutants, is considered an alternative energy source to replace fossil fuels. Herein, we report an experimental study on hydrogen leaks and ventilation methods for preventing damage caused by ...
Hyon Wook Ji   +3 more
doaj   +1 more source

Identification and Analysis of Factors Improving Social Life in Urban Public Spaces with Focus on Enclosure and Sociability [PDF]

open access: yesمسکن و محیط روستا, 2021
The dominance of vehicles in the urban spaces of Iran has continuously decreased the human scale and degraded social values. Unfortunately, the issue of human-centered designs has been rejected in many cities of Iran.
Saeed Mohammadzade   +3 more
doaj  

Enclosure Design for Brake Wear Particle Measurement Using Computational Fluid Dynamics

open access: yesEnergies, 2021
The harmfulness of fine dust generated by automobile brakes to the environment has recently received attention. Therefore, we aimed to analyze and regulate the brake wear particles in dynamometers.
Tuo Zhang   +4 more
doaj   +1 more source

Pressure drop mechanisms in a cooling system enclosure

open access: yesJournal of Fluid Science and Technology, 2022
A potential way to reduce the noise generated by construction machinery cooling systems is to satisfy the flow rate required for cooling at lower fan speeds, and a promising approach to achieving this goal involves finding ways to reduce the pressure ...
Takashi KAWANO, Masaki FUCHIWAKI
doaj   +1 more source

Expansion Coefficients and Propagation Speeds of Premixed n-Butane–Air Flames

open access: yesEnergies, 2023
The propagation speeds of premixed n-butane–air mixtures (2.0–5.7 vol%) were investigated under various initial conditions (pressures of 0.4–1.2 bar; temperatures of 289–500 K).
Domnina Razus   +3 more
doaj   +1 more source

Romano-British Settlement in South-East Wales

open access: yesInternet Archaeology, 2018
Hillforts and defended enclosures do not appear to have played much part in the fighting connected with the Roman occupation of south-eastern Wales. Following the conquest, although a more Mediterranean style of life was introduced around forts and a ...
Edith M. Evans
doaj   +1 more source

Editorial. Iron Age Settlement in Wales

open access: yesInternet Archaeology, 2018
In 2004, the four Welsh archaeological trusts began an assessment of the Iron Age hillforts, promontory forts and defended enclosures and enclosed farmsteads, grant-aided by Cadw, as part of a continuing programme of threat-related assessments. Following
Ken Murphy
doaj   +1 more source

Impacts of different fencing periods and grazing intensities on insect diversity in the desert steppe in Inner Mongolia

open access: yesFrontiers in Ecology and Evolution, 2022
For the past several decades, both species biodiversity and productivity of desert steppe have been reduced due to excessive use and climate factors.
Ning Wang   +3 more
doaj   +1 more source

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