Results 41 to 50 of about 268,596 (371)

Analysis Distribution of Biomass Carbon of Grasslands, Shrubs, and Rainfed Rice Fields on Dry Land in the Aceh Besar District Indonesia

open access: yesEnvironmental Protection and Natural Resources, 2022
This research was conducted to determine plant biomass, carbon potential, and CO2 reserve potential in understory vegetation in general, namely grasslands, shrubs, and rainfed rice fields.
Umar H A   +4 more
doaj   +1 more source

Seasonal Variations of Particulate Matter Capture and the Air Pollution Tolerance Index of Five Roadside Plant Species

open access: yesAtmosphere, 2023
Particulate matter (PM) is the most dangerous type of air pollutant and is harmful to human health. Plants can be used as a biofilter to remove PM from the atmosphere and improve air quality.
Huong-Thi Bui, Na-Ra Jeong, Bong-Ju Park
doaj   +1 more source

Comparative Wear and Friction Analysis of Sliding Surface Materials for Hydrostatic Bearing under Oil Supply Failure Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
Hydrostatic bearings excel in high‐precision applications, but their performance hinges on a continuous external supply. This study evaluates various material combinations for sliding surfaces to mitigate damage during supply failures or misalignment and to discover the most effective materials identified for enhancing the reliability and efficiency of
Michal Michalec   +6 more
wiley   +1 more source

Shrub Ensembles for Online Classification [PDF]

open access: yesarXiv, 2021
Online learning algorithms have become a ubiquitous tool in the machine learning toolbox and are frequently used in small, resource-constraint environments. Among the most successful online learning methods are Decision Tree (DT) ensembles. DT ensembles provide excellent performance while adapting to changes in the data, but they are not resource ...
arxiv  

Influence of topography and moisture and nutrient availability on green alder function on the low arctic tundra, NT [PDF]

open access: yes, 2017
The Arctic has warmed by at least 3°C over the past 50 years and this rapid warming is expected to continue. Climate warming is driving the proliferation of shrubs across the tundra biome with implications for energy balance, climate, hydrology, nutrient
Baltzer, Jennifer Lynn, Dr.   +1 more
core   +1 more source

Material Composition Gradient Controls the Autonomous Opening of Banksia Seed Pods in Fire‐Prone Habitats

open access: yesAdvanced Functional Materials, EarlyView.
The seed pod valves of Australian Banksia attenuata plants are not simply bi‐layers which bend when dry. These experiments and models reveal complex mechanics, which allow seed release only after several steps of seed pod opening. Stiffness gradients prevent delamination of the valves during loading, and a shape‐memory function protects the seeds ...
Friedrich Reppe   +7 more
wiley   +1 more source

Iterative Next Boundary Detection for Instance Segmentation of Tree Rings in Microscopy Images of Shrub Cross Sections [PDF]

open access: yesarXiv, 2022
We address the problem of detecting tree rings in microscopy images of shrub cross sections. This can be regarded as a special case of the instance segmentation task with several unique challenges such as the concentric circular ring shape of the objects and high precision requirements that result in inadequate performance of existing methods.
arxiv  

Efficacy of Different Concentrations of NAA on Selected Ornamental Woody Shrubs Cuttings

open access: yesHorticulturae, 2021
Ornamental woody shrubs are used in landscape design worldwide. Their propagation can be made generatively and vegetatively. Vegetative propagation methods are mostly used by nurseries, as such methods are quick and the newly propagated plants inherit ...
Endre Kentelky   +3 more
doaj   +1 more source

Dwarf shrubs as bioindicators. [PDF]

open access: yesSilva Fennica, 1981
Several studies of air polluted forest environments have shown that dwarf shrubs suffer from air pollution. In many cases the disturbances have been attributed to the susceptibility of the dwarf shrubs, while in some cases the vegetational competition factor has been discussed.
Hilkka Mikkonen, Satu Huttunen
openaire   +3 more sources

Materials, Structure, and Interface of Stretchable Interconnects for Wearable Bioelectronics

open access: yesAdvanced Materials, EarlyView.
Stretchable interconnects are one of the fundamental components in achieving robust wearable devices, but their importance is often overlooked. This review highlights their importance and provides insightful information on various materials, configurations, and manufacturing approaches being studied for interconnects.
Yue Li   +3 more
wiley   +1 more source

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