Results 111 to 120 of about 306,896 (290)

Experimental Modal Analysis‐Driven Gaussian Process Regression Modeling of Rectangular Steel Beams With Various Hole Geometries

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Understanding the dynamic behavior of structural components is crucial for optimizing performance and ensuring structural integrity. This study presents a new method that combines a systematic experimental investigation of four distinct hole geometries (circular, square, compact rectangular, and long rectangular) with varying hole counts, all ...
Amir Hossein Rabiee, Majid Rajaei, Mohammad Hossein Mahdavi Nasab, Parsa Shafiei   +3 more
wiley   +1 more source

Dynamic performance improvement method of energy storage DC/DC converter for grid-connected wind turbine with energy storage

电力工程技术
The internal storage system of a wind turbine usually needs to be connected to the DC bus using a DC/DC converter. However，due to the poor dynamic performance of the energy storage DC/DC converter using traditional PI control，it is easy to cause a large ...
Haonan SHI, Yichao SUN, Xiaobo TANG, Wei WANG, Dongmei YANG, Zheng WEI   +5 more
doaj   +1 more source

Effect of population reinforcement method, site, and plant characteristics on early establishment of the rare endemic plant species Minuartia smejkalii

Nordic Journal of Botany, EarlyView.
Many habitat‐specialist plant species have been endangered by fragmentation or destruction of their habitats. Minuartia smejkalii is a serpentinophyte endemic to the Czech Republic. It is highly threatened by recent habitat destruction and fragmentation, calling for effective conservation measures.
Alrun Siebenkäs, Karolína Sučíková, Zuzana Münzbergová, Hana Pánková   +3 more
wiley   +1 more source

Research on Optimization of an Open-Bench Deep-Hole Blasting Parameter Using an Improved Gray Wolf Algorithm

Applied Sciences
The blasting quality of open-pit mining can be enhanced and the production cost of stope reduced by establishing a mathematical model for step drilling and blasting costs based on stope consumption.
Li Zhao, Dengfeng Su, Zhengguo Li, Banghong Chen, Rui Wang, Rongkai Chen   +5 more
doaj   +1 more source

Evaluating the Taxonomic Status of the Mexican Gray Wolf and the Red Wolf

, 2019
National Academies of Sciences, Engineering, and Medicine; Division on Earth and Life Studies; Board on Agriculture and Natural Resources; Board on Life Sciences; Committee on Assessing the Taxonomic Status of the Red Wolf and the Mexican Gray Wolf.   +2 more
europepmc   +2 more sources

Measuring the Impacts of Wolves on the 'Market' for Elk Hunting: Hunter Adjustment and Game Agency Response [PDF]

The reintroduction of the gray wolf to Montana and other western states has to date largely pitted ranchers against environmental groups, with the U.S. Fish and Wildlife Service (USFWS) as the central agency for this reintroduction. There is also another
Batastini, John, Buschena, David E.
core   +1 more source

The Wolf-Rayet stars in M31: I. Analysis of the late-type WN stars

, 2014
Context: Comprehensive studies of Wolf-Rayet stars were performed in the past for the Galactic and the LMC population. The results revealed significant differences, but also unexpected similarities between the WR populations of these different galaxies ...
Hainich, Rainer, Hamann, Wolf-Rainer, Sander, Andreas, Todt, Helge   +3 more
core   +1 more source

Multiple scales of fear: foraging behaviour of white‐naped jays in semiarid landscapes

Oikos, EarlyView.
Animals must constantly balance the need to find resources with the risk of predation. Not only avoiding direct encounters with predators but also assessing the overall risk of their environment using cues, social information or habitat traits at multiple spatial and temporal scales.
Maria Carolina Beiriz, Luiz A. M. Mestre, Lorenzo R. S. Zanette   +2 more
wiley   +1 more source

Increasing tolerance of wolves in Montana, United States (2012–2023)

Conservation Science and Practice
Gray wolf (Canis lupus) conservation has been particularly controversial in the Northern Rocky Mountains, although reliable human dimensions data is sparse.
Alexander L. Metcalf, Elizabeth Covelli Metcalf, Justin A. Gude, John Baldridge, Michael S. Lewis   +4 more
doaj   +1 more source

Providing a framework to optimize the sustainable construction material supply chain with the possibility of horizontal transfers

Sustainable Futures
The application of Supply Chain Management (SCM) principles has gained considerable attention across various industries to enhance operational efficiency and business performance.
Hamed Ghamari, Hamidreza Abbasianjahromi, Seyed Mohammad Mirhosseini   +2 more
doaj   +1 more source