Results 21 to 30 of about 1,168,516 (371)

LR Aerial Photo Categorization by Semi-Supervised Perceptual Feature Selection

open access: yesIEEE Access, 2023
Recognizing the semantic categories of low-resolution (LR) aerial photos is an indispensable technique in geoscience and remote sensing. However, it is also a challenging task in practice.
Yinhai Li, Yichuan Sheng
doaj   +1 more source

Soil compaction of various Central European forest soils caused by traffic of forestry machines with various chassis

open access: yesForest Systems, 2015
Aim of study: The primary objective of this paper was to compare the effects of different types of forestry machine chassis on the compaction of the top layers of soil and to define the soil moisture content level, at which machine traffic results in ...
Michal Allman   +4 more
doaj   +1 more source

Design and Manufacturing of Equipment for Investigation of Low Frequency Bioimpedance

open access: yesMicromachines, 2022
The purpose of this study was to highlight a method of making equipment for the investigation of low frequency bioimpedance. A constant current with an average value of I = 100 µA is injected into the human body via means of current injection electrodes,
Lucian Pîslaru-Dănescu   +3 more
doaj   +1 more source

Electrostrictive Polymers for Mechanical-to-Electrical Energy Harvesting [PDF]

open access: yes, 2016
Research of electrostrictive polymers has generated new opportunities for harvesting energy from the surrounding environment and converting it into usable electrical energy. Piezoelectric ceramic based devices have long been used in energy harvesting for
Coutu, Ronald A., Jr.   +2 more
core   +2 more sources

Production of non-timber forest products (NTFPs) and diversity of harvesters' practices and decision-making processes in northern Thailand community forests [PDF]

open access: yes, 2020
Previous research on community forestry in Thailand has mainly focused on its institutional dimensions. Comprehensive knowledge on the production of non-timber forest products and on harvesting practices and decision-making processes is therefore still ...
Dumrongrojwatthana, Pongchai   +2 more
core   +1 more source

Molecular Engineering of Photosensitizers for Solid‐State Dye‐Sensitized Solar Cells: Recent Developments and Perspectives

open access: yesChemistryOpen, 2023
Dye‐sensitized solar cells (DSSCs) are a feasible alternative to traditional silicon‐based solar cells because of their low cost, eco‐friendliness, flexibility, and acceptable device efficiency. In recent years, solid‐state DSSCs (ss‐DSSCs) have garnered
Dr. Bommaramoni Yadagiri   +6 more
doaj   +1 more source

Energy Harvesting Techniques for Internet of Things (IoT)

open access: yesIEEE Access, 2021
The rapid growth of the Internet of Things (IoT) has accelerated strong interests in the development of low-power wireless sensors. Today, wireless sensors are integrated within IoT systems to gather information in a reliable and practical manner to ...
T. Sanislav   +3 more
semanticscholar   +1 more source

Harvesting systems for steep terrain in the Italian Alps: state of the art and future prospects [PDF]

open access: yes, 2016
Steep slope forest operations in Central Europe and in particular in the Alps are strongly related to the adoption of the cable-based harvesting system, even if innovative ground-based harvesting system, even if innovative ground-based harvesting systems
Cavalli, Raffaele   +2 more
core   +1 more source

Nonlinear Energy Harvesting [PDF]

open access: yesPhysical Review Letters, 2009
Ambient energy harvesting has been in recent years the recurring object of a number of research efforts aimed at providing an autonomous solution to the powering of small-scale electronic mobile devices. Among the different solutions, vibration energy harvesting has played a major role due to the almost universal presence of mechanical vibrations: from
COTTONE, FRANCESCO   +2 more
openaire   +4 more sources

A Novel Capacitance-Based In-Situ Pressure Sensor for Wearable Compression Garments

open access: yesMicromachines, 2019
This paper pertains to the development & evaluation of a dielectric electroactive polymer-based tactile pressure sensor and its circuitry. The evaluations conceived target the sensor’s use case as an in-situ measurement device assessing load ...
Steven Lao   +4 more
doaj   +1 more source

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