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Academic Articles & Research Papers
Showing 20 of 426 academic articles
Erica Behrens, Jeffrey G. Mangum, Mathilde Bouvier, Cosima Eibensteiner et al. • The Astrophysical Journal
(2026)
We quantify the utility of HCN and HNC to characterize gas conditions in the nearby starburst galaxy NGC 253. We use measurements from the Atacama Large Millimeter/Submillimeter Array (ALMA) Large Program ALCHEMI: the ALMA Comprehensive Hig...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae3567
Ze-Nan Liu, Wei-Yang Wang, Yu-Chen Huang, Zi-Gao Dai • The Astrophysical Journal
(2025)
Fast radio bursts (FRBs) are millisecond-duration extragalactic transients characterized by ultrahigh brightness temperatures, suggesting coherent emission mechanisms in extreme astrophysical processes. In this paper, we extend the bunched ...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/adea76
Meni-Gallardo P., Orell-Miquel J., Fernández-Rodríguez G., Parviainen H. et al. • Astronomy & Astrophysics
(2026)
Since the discovery of the first exoplanet, significant efforts have been made to characterise their atmospheres. Ultra-hot Jupiters (UHJs) are of particular interest due to their extended and hot atmospheres. Although previous studies have...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/0004-6361/202557881
Adolf N. Witt, Geoffrey C. Clayton, B. T. Draine (2004)
Abstract. Currently ∼36 different absorption bands have been detected in the infrared spectra of cold, dense interstellar and circumstellar environments. These are attributed to the vibrational transitions of ∼17 different molecules frozen ...
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Mingzhe Hao, Nianhua Kou, Chenglin Zeng • World Electric Vehicle Journal
(2023)
This paper integrates the Internet of Things (IoT) technology and a smart grid to build an electric power IoT architecture and analyzes the intelligent sensing technology and wireless communication technology in this electric power IoT. Thr...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/wevj14080224
Liu Cheng, Fan Jiansheng, Xiong Lifa • E3S Web of Conferences
(2019)
The research of the temperature effect of steel-concrete composite bridges is of great significance to ensure the safety and durability. The latest research progress in the field of composite bridge temperature field is introduced, includin...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/e3sconf/201913604072
V. V. Novodvorskyi, G. K. Ivanitsky • Nauka ta progres transportu
(2023)
Purpose. Polymer products are used in industry due to their performance properties. The homogeneity of the melt is essential for the quality of the final product. Uniform distribution of components and properties ensures homogeneity of the ...
DOAJ
Open Access (DOAJ)
DOI: 10.15802/stp2023/282982
Yue Guo, Chenglong Wang, Abdelmalek Bouazza, Xuanming Ding et al. • Case Studies in Thermal Engineering
(2026)
Seasonal temperature fluctuations in cold regions induce freeze–thaw cycles that can significantly impact the structural safety and maintenance of tunnels. This study uses the Daban Mountain Tunnel as a case study to develop a full-scale nu...
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Open Access (DOAJ)
DOI: 10.1016/j.csite.2026.108518
Mohd Rosli Mohd Hasan, Zhanping You, Mohd Khairul Idham Mohd Satar, Muhammad Naqiuddin Mohd Warid et al. • Applied Sciences
(2018)
This study was initiated to evaluate the performance of asphalt binders and mixtures incorporating linear low-density polyethylene- calcium carbonate (LLDPE-CaCO3) pellet, either with or without titanate coupling agent. The detailed manufac...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/app8071029
Zhiping Zeng, Di Wang, Fushan Liu, Abdulmumin A. Shuaibu et al. • Advances in Civil Engineering
(2020)
Under long-term temperature loading, long bridges stretch and deform, causing the beam and rail to move relative to each other. This phenomenon could cause a gradual slide of the rail relative to the fastener composite pad and ultimately re...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2020/1918043
Ladislav BRIMICH, Martin BEDNÁRIK, Jozef BÓDI, Gyula MENTES • Contributions to Geophysics and Geodesy
(2022)
Tidal strain time series recorded at the Vyhne Tidal Station are used to test thirteen different ocean tide loading models. Ten models have been calculated using SPOTL: EOT11a, HAMTIDE11a, OSU.TPXO72atlas, OSU.TPXO72, TPX070, DTU10, CSR4.0,...
DOAJ
Open Access (DOAJ)
DOI: 10.31577/congeo.2022.52.1.3
Runlian Pang, Jing Yang, Wei Du, Aicheng Zhang et al. • Geophysical Research Letters
(2022)
Abstract High‐pressure minerals in impact ejecta quantify shock conditions and provide clues for provenance analysis. The sampling site of Chang’E‐5 may contain distal ejecta, which is critical for constraining the impact events and interpr...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2022GL098722
J. Schwarz, J. Schwarz, G. Kirchengast, G. Kirchengast et al. • Atmospheric Measurement Techniques
(2018)
Global Navigation Satellite System (GNSS) radio occultation
(RO) observations are highly accurate, long-term stable data sets and are
globally available as a continuous record from 2001. Essential climate
variables for the thermodynamic ...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/amt-11-2601-2018
K. Revathy, S. R. Prabhakaran Nayar, B. V. Krishna Murthy • Annales Geophysicae
(2001)
The vertical velocity in
the troposphere-lower stratosphere region measured using MST radar has been
utilized to evaluate the temperature profile in the region. The diurnal
variation of the tropospheric temperature on one day in Augus...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/angeo-19-1001-2001
I. P. Escobar, N. C. de Sá, J. J. Dantas, F. J. S. S. Dias • Brazilian Journal of Geophysics
(1996)
A Linha de Calibração Gravimétrica Observatório Nacional - Agulhas Negras foi implantada com o objetivo de monitorar as características dos gravímetros utilizados nos levantamentos da Rede Gravimétrica Fundamental Brasileira. Trata-se de um...
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Open Access (DOAJ)
DOI: 10.22564/rbgf.v14i1.1210
A. U. Adebanjo, B. I. O. Dahunsi, J. O. Labiran • Nigerian Journal of Technological Development
(2021)
In this study, locally produced Metakaolin (MK) was used as an admixture in recycled aggregate concrete of grades M 25 and M 30. The content of MK varied from 0-15% at 5% intervals. The physical and mechanical properties (bulk density, spec...
DOAJ
Open Access (DOAJ)
R. Selvamurugan, R. Selvamurugan, R. Selvamurugan, C. V. Devasia et al. • Annales Geophysicae
(2002)
The temporal and height
statistics of the occurrence of meteor trails during the Leonid meteor shower
revealed the capability of the Indian MST radar to record large numbers of
meteor trails. The distribution of radio meteor trails du...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/angeo-20-1869-2002
Minsu Park, Sungmin Park, Jeonggyu Kim, Chanwoo Ahn et al. • Geophysical Research Letters
(2026)
Abstract Ice‐nucleating particles (INPs) play a role in mixed‐phase clouds, yet the processes controlling their properties remain poorly understood. Water‐soluble salts such as sodium chloride (NaCl) depress the freezing temperature of clou...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2026GL123395
Barclay Kamb • Science
(1964)
From physical measurements on glaciers and experimental studies of ice properties a framework of concept and theory is being built which bids fair to place glaciers among the more quantitatively understandable phenomena in the earth science...
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DOI: https://doi.org/10.1126/science.146.3642.353
Gerhard Jentzsch, Richard Schulz, Adelheid Weise • Geodesy and Geodynamics
(2018)
The Burris Gravity Meter™ manufactured by ZLS Corporation, Austin/Texas, USA, is based on the invention of L&R (L. LaCoste and A. Romberg): The ZLS (zero-length spring). A digital feedback system (range of about 50 mGal) is used to null the...
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Open Access (DOAJ)
DOI: 10.1016/j.geog.2017.09.007