Results 51 to 60 of about 359,376 (304)

Ecological Impacts of Land Use Change in the Arid Tarim River Basin of China

open access: yesRemote Sensing, 2022
Land use/cover change has become an indispensable part of global eco-environmental change research. The Tarim River Basin is the largest inland river basin in China.
Yifeng Hou   +5 more
doaj   +1 more source

Parks, people and pixels: evaluating landscape effects of an East African national park on its surroundings [PDF]

open access: yes, 2010
Landscapes surrounding protected areas, while still containing considerable biodiversity, have rapidly growing human populations and associated agricultural development in most of the developing world that tend to isolate them, potentially reducing their
Binford, Elizabeth   +7 more
core   +2 more sources

A Concept of a Digital and Traceable Manufacturing Documentation Based on Formalized Process Description Applied on Composite Aircraft Moveable

open access: yesAdvanced Engineering Materials, EarlyView.
The documentation of component manufacture has become an essential part of today's production processes, especially for the analysis and optimization of production or component design with regard to structural performance, economic efficiency, and sustainability.
Björn Denker   +4 more
wiley   +1 more source

Research on the Suitability Evaluation and Enhancement Path of Grassland Ecological Product Value Transformation in China Based on the Three-Dimensional Evaluation Matrix of Ecology, Economy, and Importance

open access: yesLand
Chinese grassland ecological industry is at a critical stage of mid-term adjustment and development. Accurately assessing the benefits of grassland ecological product value conversion during its mid-term development can provide a reasonable basis for ...
Yaojie Wu, Pengwei Chen, Li Ma
doaj   +1 more source

Enabling Digital Continuity in Virtual Manufacturing for Eco‐Efficiency Assessment of Lightweight Structures by Means of a Domain‐Specific Structural Mechanics Language: Requirements, Idea and Proof of Concept

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents a solver‐agnostic domain‐specific language (DSL) for computational structural mechanics that strengthens interoperability in virtual product development. Using a hierarchical data model, the DSL enables seamless exchange between diverse simulation tools and numerical methods.
Martin Rädel   +3 more
wiley   +1 more source

A first--order irreversible thermodynamic approach to a simple energy converter

open access: yes, 2007
Several authors have shown that dissipative thermal cycle models based on Finite-Time Thermodynamics exhibit loop-shaped curves of power output versus efficiency, such as it occurs with actual dissipative thermal engines.
A. L. Lehninger   +16 more
core   +1 more source

Laser Metal Powder Deposition of Titanium Microalloyed HSLA Steel FeC0.12Si0.25Mn1.3

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates the additive manufacturing of titanium‐doped high‐strength low‐alloy (HSLA) steel via laser metal deposition. It reveals distinct process‐structure relationships for elemental powder blends compared to prealloyed feedstocks.
Olaf Stelling   +2 more
wiley   +1 more source

Barriers to the adoption of organic agriculture An investigation using the Theory of Planned Behaviour [PDF]

open access: yes, 2006
Certified organic production by small-scale farmers in developing countries is increasingly promoted as an opportunity to access a growing and dynamic market while at the same time, enhance productivity and improve incomes.
Hattam, Caroline
core  

Engineered Mycelial Scaffolds With Tunable Ultraviolet Protection, Wettability, Thermal Stability, and Spatial Mechanics

open access: yesAdvanced Engineering Materials, EarlyView.
Fungal mycelia grown into biodegradable scaffolds and infused with titania nanoparticles show enhanced ultraviolet shielding, thermal protection, and surface nonwettability. Properties were tuned by drying methods, revealing structure–function relationships.
Juwon S. Afolayan   +2 more
wiley   +1 more source

Identification of Enantiomeric Byproducts During Microalgae-Mediated Transformation of Metoprolol by MS/MS Spectrum Based Networking

open access: yesFrontiers in Microbiology, 2018
Metoprolol (MPL) is a chiral β-blocker ubiquitously detected in various environments due to its low to moderate removal in wastewater treatment plants. This study was conducted to test the potential of using microalgae to degrade emerging contaminant MPL
Min Lv   +10 more
doaj   +1 more source

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