Zobrazeno 1 - 10
of 7 731
pro vyhledávání: '"Dragonfly"'
Autor:
Lingyu Liao, Qian Cheng, Xueyan Zhang, Liang Qu, Siran Liu, Shining Ma, Kunlong Chen, Yue Liu, Yongtian Wang, Weitao Song
Publikováno v:
Heritage Science, Vol 12, Iss 1, Pp 1-15 (2024)
Abstract Micro-computed tomography (CT) of ancient Chinese glass dragonfly eye beads has enabled detailed exploration of their internal structures, contributing to our understanding of their manufacture. Segmentation of these CT images is essential b
Externí odkaz:
https://doaj.org/article/6904288e5ea943e9b99717351a96d1e8
Autor:
Soumyajit Saha, Somnath Chatterjee, Shibaprasad Sen, Diego Oliva, Marco Perez-Cisneros, Ram Sarkar
Publikováno v:
Automatika, Vol 65, Iss 4, Pp 1545-1557 (2024)
Contrast enhancement aims to amplify the visual quality of images by modifying the contrast level because digital images may get distorted by casual acquisition. The article deals with contrast enhancement as an optimization problem and uses the Drag
Externí odkaz:
https://doaj.org/article/485a92237afe448b83bfa1e4b59ad679
Publikováno v:
Applied Water Science, Vol 14, Iss 9, Pp 1-17 (2024)
Abstract Sediment phenomenon is very important in hydraulic and water resources issues. The existence of this phenomenon causes many problems in water storage. Sediment simulation in rivers helps in controlling sediment as well as reducing damages. I
Externí odkaz:
https://doaj.org/article/a21ccc571a614518acbb45b6c8a3417c
Publikováno v:
McKinsey Quarterly. 2011, Issue 1, p108-112. 5p. 3 Color Photographs, 2 Black and White Photographs.
Autor:
Leeban Moses M, Saravana Kumar R, Muhammad Faheem, Ramkumar K, Shoukath Ali K, Arfat Ahmad Khan
Publikováno v:
The Journal of Engineering, Vol 2024, Iss 10, Pp n/a-n/a (2024)
Abstract This research presents a machine learning (ML)‐based model that determines the DC and RF characteristics of InGaAs sub‐channel double gate high electron mobility transistors (DG‐HEMTs) to optimize the device structure. We employ techno
Externí odkaz:
https://doaj.org/article/85934760855c4970878e4578116677c2
Publikováno v:
International Transactions on Electrical Engineering and Computer Science, Vol 3, Iss 3 (2024)
Harmonics is the major power quality problem caused by nonlinear devices, leading to malfunction or operational halt of the system. Low-order harmonics increase vibration and heat generation in motors. Therefore, controlling harmonics in the output w
Externí odkaz:
https://doaj.org/article/69c23fcd0f6c48c5abe166f3cbe43d92
Publikováno v:
Acta Limnologica Brasiliensia, Vol 36 (2024)
Abstract Aim This study aimed to analyze aspects of adult emergence of Phyllocycla Calvert, 1948 (Odonata: Gomphidae) in artificial environments. Samplings were conducted in Sanharó stream, Caxias municipality, Maranhão State, Brazil. Methods Speci
Externí odkaz:
https://doaj.org/article/6de3ab0edab844ddbaa8eee4f5e2b0b0
Publikováno v:
Shipin Kexue, Vol 45, Iss 9, Pp 9-15 (2024)
In order to optimize the calibration set for near-infrared modeling of the protein content in wheat flour, the binary dragonfly algorithm (BDA) was used to select representative samples from the primary calibration set divided by the traditional Kenn
Externí odkaz:
https://doaj.org/article/647c5bb9c1a341c38602b8b9da69dd4f
Publikováno v:
Simbiosis: Journal of Biological Sciences, Pp 12-21 (2024)
Dragonfly is an insect with an interesting morphology and is often found in areas that are still beautiful and unpolluted, making it an environmental bioindicator.. This research was conducted to determine the diversity of dragonfly species and envir
Externí odkaz:
https://doaj.org/article/1cc49e6360bd43a1bb875d1025aa5249