Editorial Note: Machine learning model for predicting the optimal depth of tracheal tube insertion in pediatric patients: A retrospective cohort study

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GUEST EDITORS’ NOTE by Piero Amodio, Edward W. Legg, Ljerka Ostojić

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Subring Depth, Frobenius Extensions, and Towers by Lars Kadison

“…The minimum depth d(B,A) of a subring B⊆A introduced in the work of Boltje, Danz and Külshammer (2011) is studied and compared with the tower depth of a Frobenius extension. …”
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Prospects of News Televsion: Materials of In-Depth Interviews by I. I. Volkova, E. L. Proskurnova, T. T. D. Tran

“…The goal is to look at how much content creators and consumers agree in their predictions about the future of TV. The data of in-depth interviews were used as empirical material: professional television journalists (federal TV channels) and students (PFUR “Television” department) were interviewed. …”
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Assessment of Depth Contact Endurance of Surface-Hardened Gears by Sergei P. Rudenko, Aleksandr L. Valko, Sergei G. Sandomirski

“…The existing analytical dependences have been analyzed for hardness distribution over the thickness of the diffusion layer of surface-hardened parts, used for determining the depth contact endurance of cylindric gears. It is noted that the approximating dependence given in the works of V.I. …”
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Global Green Building Adoption: An In-Depth Analysis of Trends Worldwide by Sony Susanto, Gatot Ciptadi, Nuhfil Hanani, M. Ruslin Anwar

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Spatial and temporal variability of depth and density of the snow cover in Russia by N. I. Osokin, A. V. Sosnovsky

“…Measurements of snow cover depth and density made in 2001–2010 in the snow survey routes made it possible to study spatial and temporal variability of these characteristics on the territory of Russia. …”
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Intraspecific phenotypic differentiation by habitat depth in deep demersal fish species by Natasha Steeds, Zulqurnain Zulqurnain, Thomas Regnier, Fiona Gibb, David Stirling, A. Rus Hoelzel

“…In some cases, this generates a boundary (e.g. when light is lost in the bathypelagic), and in others it varies continuously (e.g. for hydrostatic pressure). Various studies have noted general morphometric adaptations to living at different depths seen among species, even though vertical migration can cause their ranges to overlap. …”
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Regional carbonate compensation depth variability in the Pacific Ocean since the Oligocene by Faranak Dalvand, Adriana Dutkiewicz, Nicky M. Wright, Ben R. Mather, Dietmar Müller

“…Reconstructing the temporal evolution of carbonate flux to the seafloor requires estimating the changes in carbonate compensation depth (CCD), a key proxy, revealing the depth where the rate of calcium carbonate supply from biogenic ooze equals the rate of dissolution. …”
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In-depth exploration of cutaneous anthrax: clinical and pathological manifestations of a case report by Yongjun Du, Jizhou Ma, Guozhen Liu, Zhi Chai, Hang Han, Tairen Chen, Lan Yang, Li Jing, Fangjing Xu, Yucheng Fan

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Estimation of Radioactivity in Dash - Salakhli Bentonite Clay: Depth and Radionuclide Migration Processes by Akhmedov E. A.

“…Additionally, the paper compares the radioactivity levels of other radionuclides such as radium-226 (Ra-226) and thorium-234 (Th-234), noting that Ra-226 exhibits significant activity at depths of 5 m, 10 m, 15 m and 25 m, while Th-234 exhibits higher activity at depth of 20 m. …”
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Notes on the Origin of Jorge Luis Borges’ Bartolomé de Las Casas by Ricardo Monsalve

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Elucidating the evolutionary dynamics of parasitism in Cuscuta: in-depth phylogenetic reconstruction and extensive plastomes reduction by Sivagami-Jean Claude, Kashish Kamra, Joonhyung Jung, Hye One Kim, Joo-Hwan Kim

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In the depths of the Amazon rainforest: a new troglobitic species of Circoniscus (Isopoda: Scleropactidae) from Brazil by Júlia Barbosa Galo, Giovanna Monticelli Cardoso, Rodrigo Lopes Ferreira

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Depth Gradient and Radon Activity Concentration in Soil Gas in the Zone of a Potentially Active Fault by Timofey Leshukov, Konstantin Legoshchin, Kirill Avdeev, Elizaveta Baranova, Aleksey Larionov

“…At the same time, no significant differences in the activity of uranium (²³⁸U) series isotopes at different soil depths were detected. Significant spatial variability in radioactivity and the physical properties of soils is noted. …”
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Impact of Carotid Endarterectomy on Choroidal Thickness and Volume in Enhanced Depth Optical Coherence Tomography Imaging by Elżbieta Krytkowska, Monika Masiuk, Miłosz P. Kawa, Aleksandra Grabowicz, Paweł Rynio, Arkadiusz Kazimierczak, Krzysztof Safranow, Piotr Gutowski, Anna Machalińska

“…All participants underwent a complete ophthalmologic examination, including enhanced depth imaging-optical coherence tomography (EDI-OCT). …”
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Proposed changes to framework to assess contraceptive autonomy based on phased in-depth interviews in northwest Tanzania by Sheridan F. Bowers, Valencia J. Lambert, Aneth Nzali, Anna Samson, Nelusigwe Mwakisole, Hidaya Yahaya, Radhika Sundararajan, Samuel E. Kalluvya, Agrey H. Mwakisole, Jennifer A. Downs

“…Methods We conducted in-depth interviews in three phases in eight rural communities in northwest Tanzania with users and non-users of contraceptives using open-ended questions derived from the proposed contraceptive autonomy framework. …”
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Age-stratified reference ranges for adenoid hypertrophy in children: a single-center retrospective study by Enfu Tao, Wei Liang, Hongdan Gu, Junfen Zhou, Changhua Zheng, Junhui Yuan

“…Measurements of adenoid depth (AD), nasopharyngeal depth (ND), and A/N ratios were recorded, and age-stratified percentiles (P5-P95) were calculated for four distinct age cohorts. …”
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Reconstruction and Separation Method of Ranging and Communication Phase in Beat-Note for Micro-Radian Phasemeter by Tao Yu, Hongyu Long, Ke Xue, Mingzhong Pan, Zhi Wang, Yunqing Liu

“…The phasemeter then performs micro-radian accuracy phase measurement and communication information demodulation for this beat-note. To mitigate the impact of phase modulation, existing solutions mostly alleviate it by reducing the modulation depth and optimizing the structure of the pseudo-random noise (PRN) codes. …”
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Association Between Clinical Measures of Depth of Sedation and Multimodal Cerebral Physiology in Acute Traumatic Neural Injury by Kangyun Park, Logan Froese, Tobias Bergmann, Alwyn Gomez, Amanjyot Singh Sainbhi, Nuray Vakitbilir, Abrar Islam, Kevin Y. Stein, Izzy Marquez, Fiorella Amenta, Younis Ibrahim, Frederick A. Zeiler

“…Therefore, it is likely that there exists substantial variation in objective sedation depth for a given clinical grade in these patients, leading to undesired sedation depths and cerebral physiological consequences. …”
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