Beat-to-Beat Variation in Periodicity of Local Calcium Releases Contributes to Intrinsic Variations of Spontaneous Cycle Length in Isolated Single Sinoatrial Node Cells. by Oliver Monfredi, Larissa A Maltseva, Harold A Spurgeon, Mark R Boyett, Edward G Lakatta, Victor A Maltsev

“…Since LCRs are generated by Ca(2+) release channel (i.e. ryanodine receptor) openings, they exhibit a degree of stochastic behavior, manifested as notable cycle-to-cycle variations in the time of their occurrence.<h4>Aim</h4>The present study tested whether variation in LCR periodicity contributes to intrinsic (beat-to-beat) cycle length variability in single sinoatrial nodal cells.…”
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Direct prismatic coefficient variation to hull form surface by Dayeon Jeong, Min-Jae Oh

“…Thus, we propose a method to directly apply CP variation onto the hull form surface, setting the variated section line as a constraint. …”
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A multi-player game equilibrium problem based on stochastic variational inequalities by Cunlin Li, Wenyu Zhang, Baojun Yang, Hooi Min Yee

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Bearing Fault Diagnosis Based on Parameter Optimized VMD and ELM with Improved SSA by Yang Sen, Wang Hengdi, Cui Yongcun, Li Chang, Tang Yuanchao

“…Aiming at the problem that the initial fault signal of rolling bearings is weak and the fault characteristic is difficult to extract, this study proposes a rolling bearing fault diagnosis method based on variational modal decomposition (VMD) for adaptive parameter optimization based on the improved sparrow search algorithm (SSA) and the extreme learning machine (ELM) with multi-layer feature vector fusion. …”
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Regional variations and trends in liver transplantation practices across Europe by Tommaso Di Maira, Valérie Cailliez, Beatriz Domínguez-Gil, Beatriz Mahíllo, Marina Álvarez, Luca Saverio Belli, René Adam, Constantino Fondevila, Giacomo Germani, Hermien Hartog, Marina Berenguer

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Variation of physicochemical and sensory properties during the aging of yerba mate by Santiago A. Holowaty, Sergio A. Surkan, Valeria D. Trela, German D. Byczko, Miguel E. Schmalko

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Anatomical Variation in the Mandibular Foramen in Non-Atrophic and Atrophic Mandibles by Marcelo Betti Mascaro, Lara Cristina Picoli, Stefany Torres Reis Matos, Silvana Carla Sipos Lotaif, Mônica Rodrigues De Souza, Marcelo Ferreira Calderon

“…Material and Methods: Morphometric methods were used to study the mandibular foramen variation. …”
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Temporal and spatial variations in the effect-based ecotoxicological assessment of streams by Delia Hof, Thomas Bing, Sebastian Heß, Jens Mayer, Jörg Oehlmann, Matthias Oetken

“…However, there is a need to develop a comparable ecotoxicological assessment system for surface waters as for chemical and ecological status. This study aims to contribute to this discourse by investigating the temporal and spatial variation of ecotoxicological effects by assessing water grab samples of 15 different sites in central Germany over the course of 1 year using different in vitro assays. …”
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Multi-label Classification Based on Label-Aware Variational Autoencoder by SUN Hongjian, XU Pengyu, LIU Bing, JING Liping, YU Jian

“…Therefore, in order to solve the above problems, this paper proposes a multi-label classification method based on label-aware variational self-encoder from embedding representation learning and label relevance learning. …”
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Somaclonal Variation and Clonal Fidelity in Commercial Micropropagation: Challenges and Perspectives by Sweety Majumder, Abir U. Igamberdiev, Samir C. Debnath

“…This review aims to describe the causes behind somaclonal variation, the selection of somaclonal variants, and their uses in crop and plant improvement at the commercial level. …”
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Dimensional Variations of Left-Sided Double-Lumen Endobronchial Tubes by Niels Hegland, Sebastian Schnitzler, Jan Ellensohn, Marc P. Steurer, Markus Weiss, Alexander Dullenkopf

“…Endobronchial tubes of ostensibly the same size revealed wide variation in measured parameters between brands from different manufacturers. …”
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Seasonal variation of the zooplankton communities’ diversity in ponds of the Atlantic Forest by Maria Eduarda Turcato de Souza, Natan Guilherme Dos Santos, Laura Jardim Chiarelli, Maria Stela Maioli Castilho Noll

“…Abstract: Aim This study analyzed the structure and seasonal variation of the zooplankton community in five ponds in a preserved Atlantic Forest environment in Brazil, the Betary Reserve. …”
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Cadaveric variation in the morphology of the gastrocnemius muscle in a Nigerian population by Mamerhi T Enaohwo, Efe J Jaiyeoba-Ojigho, Lilian E Chris-Ozoko, Faith Ogbe, Elohor M Ebijor

“…Material and Methods: Variations in the heads of origin of the gastrocnemius muscle were examined in 31 lower limbs during routine dissection of the popliteal fossa at the anatomical museum of Delta State University. …”
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Microbiological and Physicochemical Variations during Spontaneous Fermentation of Plantain Must by Ollo Kambire, Konan Mathurin Yao, Karamoko Detto, Moustapha Kamate

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Gut microbiota variations in depression and anxiety: a systematic review by YuanYuan Cao, YiRan Cheng, WenChao Pan, JianWei Diao, LingZhi Sun, MiaoMiao Meng

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A clinical evaluation of variation in paediatric intracranial pressure waveforms by Amarah Saeed, Richard Boulton, Roddy O'Kane, Martin Shaw, Laura Moss

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Seasonal Variation of Testosterone Levels in a Large Cohort of Men by Taiba Zornitzki, Sagi Tshori, Galit Shefer, Shira Mingelgrin, Carmit Levy, Hilla Knobler

“…Various data suggest seasonal variation in testosterone levels. However, previous studies are limited by their size or by variability in baseline characteristics. …”
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Age-related variation in health status after age 60. by Giola Santoni, Sara Angleman, Anna-Karin Welmer, Francesca Mangialasche, Alessandra Marengoni, Laura Fratiglioni

“…Although particularly important when planning health and social services, knowledge about their distribution and aggregation at different ages is limited. We aim to characterize the variation of health status in a 60+ old population using five indicators of health separately and in combination.…”
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The effects of climate variations on the incidence of benign paroxysmal positional vertigo by Tiago Chantre, Inês Alpoim Moreira, Mariana Oliveira, Herédio Sousa

“…Benign Paroxysmal Positional Vertigo (BPPV) is one of the most frequently observed diagnoses in these patients and has a considerable personal and health care burden. Our aim is to evaluate the weekly and seasonal incidence of BPPV and study the possible relationship between the incidence of BPPV and the climate variations that occurred throughout the year 2021, in the metropolitan area of Lisbon. …”
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Anatomical variations and coding of the intra-trunk pathways in the thoracodorsal nerve by N. S. Gorbunov, K. V. Kober, E. V. Kasparov, S. I. Rostovtsev, E. N. Protasyuk

“…Aim. To study anatomical variations of the intra–trunk pathways in the thoracodorsal nerve bundles and to develop a system for their coding.Materials and methods. …”
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