Results 121 to 130 of about 359,967 (298)

Research on the use fly ash and bottom ash from coal-fired power plants for making concrete lagging at underground mines

open access: yesJournal of Materials and Engineering Structures
Vietnam currently has 26 coal-fired power plants in operation, emitting a total amount of coal ash about 16 million tons/year of Fly Ash (FA) and Coal Bottom Ash (CBA).
Kien Van DANG   +3 more
doaj  

Numerical analysis and theoretical calculation of tensile membrane action region of RC simply supported slabs under fire

open access: yesFrontiers in Built Environment
Tensile membrane action (TMA) could significantly enhance the ultimate bearing capacity of reinforced concrete (RC) simply supported slabs under fire conditions.
Yan Jia   +8 more
doaj   +1 more source

Lisbon's underground construction

open access: yesGeotecnia, 1976
 Enlargement project of the present network (12 to 27 km). Crossed soils types on 1st phase of the works and galleries and constructed stations types. Correspondent construction phases and cost of works, referring to the 1st of July, 1973.
openaire   +1 more source

The spread of non‐native species

open access: yesBiological Reviews, EarlyView.
ABSTRACT The global redistribution of species through human agency is one of the defining ecological signatures of the Anthropocene, with biological invasions reshaping biodiversity patterns, ecosystem processes and services, and species interactions globally.
Phillip J. Haubrock   +16 more
wiley   +1 more source

The impacts of biological invasions

open access: yesBiological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

Subterranean environments contribute to three‐quarters of classified ecosystem services

open access: yesBiological Reviews, EarlyView.
ABSTRACT Beneath the Earth's surface lies a network of interconnected caves, voids, and systems of fissures forming in rocks of sedimentary, igneous, or metamorphic origin. Although largely inaccessible to humans, this hidden realm supports and regulates services critical to ecological health and human well‐being.
Stefano Mammola   +30 more
wiley   +1 more source

Igneous Rock Occurrence Prediction Based on Seismic Information Inversion and Its Influence Analysis During Coal Mining: A Case Study in Huaibei Coalfield

open access: yesApplied Sciences
Overlying hard and thick igneous rocks pose numerous potential safety hazards during the exploitation of coal resources. Identifying the spatial distribution of igneous rocks and analyzing their impact on coal mining are a primary research concern.
Juanjuan Li   +4 more
doaj   +1 more source

Classifying avian drinking behaviour: ecological insights and implications in a changing world

open access: yesBiological Reviews, EarlyView.
ABSTRACT Water is a fundamental currency of life, and its availability significantly influences animal behaviour, physiology and distributions. However, our knowledge around the dependence on water for drinking and the direct and indirect mechanisms driving related behaviours remains partial in the context of changing climates. Here, we review patterns
Shannon R. Conradie, Marc T. Freeman
wiley   +1 more source

Tough and tear resistant hydrogel with a sandwich mineralized structure induced by bidirectional ion migration

open access: yesNature Communications
Despite the advantages of hydrogels, such as softness and biological affinity, their applications are often severely limited by the inadequate mechanical properties that result from their loose and homogeneous structure.
Dongsheng Yang   +10 more
doaj   +1 more source

Addressing the Attitude Behaviour Perception Gap—Multimethod Sustainable Tourist Behaviour Evaluation

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Quantitative and perceptual studies have been used to define and model sustainable tourist behaviour in past years, but few studies have undertaken qualitative research of actual behaviour to delve deeper into understanding the different classifications of such behaviour. This research employed a three‐phase design, comprising a pretrip survey,
Rachel Dodds, Mark Robert Holmes
wiley   +1 more source

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