Results 81 to 90 of about 219,962 (312)

Typology of logging companies in the Brazilian Amazon [PDF]

open access: yes, 2011
After 20 years of labeling with a strong increase of certified surfaces all around the world, real advantages and inconveniences of a company certified with regard to a normal company are not well known.
Martinez Plaza, Santiago   +2 more
core  

Optimal land cover mapping and change analysis in northeastern oregon using landsat imagery. [PDF]

open access: yes, 2015
The necessity for the development of repeatable, efficient, and accurate monitoring of land cover change is paramount to successful management of our planet’s natural resources. This study evaluated a number of remote sensing methods for classifying land
Campbell, Michael J   +2 more
core   +2 more sources

Hydrogel‐Based Functional Materials: Classifications, Properties, and Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Conductive hydrogels have emerged as promising materials for smart wearable devices due to their outstanding flexibility, multifunctionality, and biocompatibility. This review systematically summarizes recent progress in their design strategies, focusing on monomer systems and conductive components, and highlights key multifunctional properties such as
Zeyu Zhang, Zao Cheng, Patrizio Raffa
wiley   +1 more source

Efficient and cost-effective monitoring of urban green spaces using combination of photogrammetry, LiDAR, and RTK in an iPhone-Based approach

open access: yesCentral European Forestry Journal
Urban green spaces (UGS) provide various ecological, cultural, aesthetic, and psychological functions contributing to public health and well-being. To ensure proper management and the optimal performance of all these functions, it is essential to closely
Výbošťok Jozef   +5 more
doaj   +1 more source

Adhesive Double‐Network Granular Organogel E‐Skin

open access: yesAdvanced Materials Technologies, EarlyView.
We introduce a double‐network granular organogel adhesive for electronic skin, overcoming adhesion and strength trade‐offs. It provides reversible, robust bonding and ionic conductivity, enabling wearable and soft robotic e‐skin. Thanks to the e‐skin adhesive, a soft robotic trunk can recognize touch, temperature, humidity, and acidity.
Antonia Georgopoulou   +4 more
wiley   +1 more source

Overview of Health and Safety Risks in the Process of Production and Storage of Forest Biomass for Energy Purposes—A Review

open access: yesEnergies
With increasing demands on the quality and quantity of produced biomass, as the main element of the knowledge-based economy, people and the issue of safety and health protection at work are coming to the fore.
Miloš Gejdoš, Martin Lieskovský
doaj   +1 more source

Use of terrestrial laser scanning to evaluate the spatial distribution of soil disturbance by skidding operations

open access: yesiForest - Biogeosciences and Forestry, 2015
We investigated the disturbance to the surface of a skid trail caused by removing cut timber from inside the forest to the roadside by dragging using terrestrial laser scanning technology.
Koren M   +3 more
doaj   +1 more source

On the Tree-Cutting Problem under Interest Rate and Forest Value Uncertainty [PDF]

open access: yes
The current literature on optimal forest rotation makes the unrealistic assumption of constant interest rate though harvesting decisions of forest stands are typically subject to long time horizons.
Erkki Koskela, Luis H. R. Alvarez
core  

Visible‐Light Photoprogrammable Transistors Enabled by an All‐Organic Triplet‐Sensitized Diarylethene Channel Layer

open access: yesAdvanced Optical Materials, EarlyView.
All‐organic channel‐layer OFETs are shown to enable visible‐light photoprogramming via triplet‐sensitized diarylethene switching. Preferential localization of the photoswitch and organic sensitizer in intercrystalline amorphous domains preserves polymer crystalline packing while ensuring short‐range Dexter‐type triplet–triplet energy transfer and solid‐
Jieun Kwon   +10 more
wiley   +1 more source

Hedging Strategies in Forest Management [PDF]

open access: yes
The paper focuses on forests management strategies for natural hazards of nonindustrial owners, in the case where the forest provides nontimber services.
Brunette, Marielle   +2 more
core   +1 more source

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