Articles with "clump" as a keyword



The effects of a compressive velocity pulse on a collapsing turbulent clump

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Published in 2019 at "Astronomische Nachrichten"

DOI: 10.1002/asna.201913548

Abstract: High-resolution hydrodynamical simulations are presented to follow the gravitational collapse of a uniform turbulent clump, upon which a purely radial compressive velocity pulse is activated in the midst of the evolution of the clump, when… read more here.

Keywords: effects compressive; compressive velocity; clump; velocity ... See more keywords

Meso fracture characteristics of granite and instability evolution law of surrounding rock in deep cavern

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Published in 2022 at "Scientific Reports"

DOI: 10.1038/s41598-022-06833-0

Abstract: In order to analyze the influence of meso-structure and meso-parameters on deep granite characteristics, a construction method of variable radius proportional clump model was proposed with particle flow method. The clump particle flow structure was… read more here.

Keywords: deep cavern; surrounding rock; clump; fracture ... See more keywords

Dark matter axion clump resonance of photons

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Published in 2018 at "Journal of Cosmology and Astroparticle Physics"

DOI: 10.1088/1475-7516/2018/11/004

Abstract: Recently there has been interest in the physical properties of dark matter axion condensates. Due to gravitational attraction and self-interactions, they can organize into spatial localized clumps, whose properties were examined by us in refs.… read more here.

Keywords: resonance; clump; dark matter; matter axion ... See more keywords

A Catalog of 13CO Clumps from the MWISP in l = 10°–20°

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Published in 2024 at "Research in Astronomy and Astrophysics"

DOI: 10.1088/1674-4527/ad3d12

Abstract: In this study, we present a catalog of molecular clumps extracted from 13CO (J = 1 − 0) emission data of the Milky Way Imaging Scroll Painting (MWISP) project. The data covers the inner Milky… read more here.

Keywords: catalog; clump; clump candidates; facet clump ... See more keywords

A Fundamental Research in In Vitro Spermatogonial Stem Cell Culturing: What Are Clump Cells?

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Published in 2023 at "Cellular reprogramming"

DOI: 10.1089/cell.2022.0123

Abstract: Spermatogonial stem cells (SSCs) are a small group of testicular cells located in the basement membrane of seminiferous tubules and can balance self-renewal and differentiation during spermatogenesis. Our in vitro culture experiments of mouse SSCs… read more here.

Keywords: vitro; cell; clump; spermatogonial stem ... See more keywords

Star-forming environments in smoothed particle magnetohydrodynamics simulations I: Clump extraction and properties

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Published in 2023 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stad1605

Abstract: What is the nature of a star forming clump? Observations reveal these to be chaotic environments being modified and influenced by many physical processes. However, numerical simulations often define these initial star forming clumps to… read more here.

Keywords: gas; clump; star; magnetohydrodynamics ... See more keywords

MeerKAT and ALMA view of the AGAL045.804−0.356 clump

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Published in 2024 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stae987

Abstract: This study presents a detailed analysis of the GAL045.804−0.356 massive star-forming clump. A high-angular resolution and sensitivity observations were conducted using MeerKAT at 1.28 GHz and ALMA interferometer at 1.3 mm. Two distinct centimetre radio continuum emissions… read more here.

Keywords: meerkat alma; alma view; clump; 804 356 ... See more keywords

Connecting Star Formation in the Milky Way and Nearby Galaxies. I. Comparability of Molecular Cloud Physical Properties

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Published in 2025 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf1911

Abstract: We used CO (2-1) and CO (1-0) data cubes to identify molecular clouds and study their kinematics and dynamics in three nearby galaxies and the inner Milky Way. When observed at similar spatial and velocity… read more here.

Keywords: nearby galaxies; way; clump; milky way ... See more keywords

The structure behind the Galactic bar traced by red clump stars in the VVV survey

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Published in 2018 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnrasl/sly171

Abstract: Red clump stars are commonly used to map the reddening and morphology of the inner regions of the Milky Way. We use the new photometric catalogues of the VISTA Variables in the V´ia La´ctea survey… read more here.

Keywords: clump stars; clump; red clump; structure behind ... See more keywords
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Clumpy coexistence in phytoplankton: the role of functional similarity in community assembly

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Published in 2021 at "Oikos"

DOI: 10.1111/oik.08677

Abstract: Emergent neutrality (EN) suggests that species must be sufficiently similar or sufficiently different in their niches to avoid interspecific competition. Such a scenario results in a transient pattern with clumps and gaps of species abundance… read more here.

Keywords: clump; functional similarity; size; community assembly ... See more keywords

Comparative Effects of Clump-Based and Traditional Selective Harvesting on Understory Biodiversity in Sympodial Bamboo Forests

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Published in 2025 at "Plants"

DOI: 10.3390/plants14162578

Abstract: To improve the efficiency and reduce the cost of traditional sympodial bamboo harvesting, this study evaluated the effects of four harvesting intensities—selective harvesting, one-third clump, one-half clump, and complete clump harvesting—on understory plant diversity in… read more here.

Keywords: clump harvesting; sympodial bamboo; clump; harvesting understory ... See more keywords