Search Results - "Sakai, Yuichi"
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Flume experiments in the development of crevasse-splay deposits; transition from asymmetric-to-symmetric geometry
Published in Journal of sedimentary research (01-11-2023)“…Crevasse-splay deposits play an important role in the reconstruction of the magnitude of past flood events and in understanding the behavior of river systems…”
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2
Effect of MnO2 addition on temperature-dependent properties of tetragonal (Bi,Na)TiO3–BaTiO3 thick films prepared on MgO ceramic substrates
Published in Japanese Journal of Applied Physics (01-11-2021)“…The temperature-dependent properties of the (1–x)(Bi0.5Na0.5)TiO3–xBaTiO3 (BNT–100xBT, 0.14 ≤ x ≤ 0.40) thick films with MnO2 additives were investigated. The…”
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3
Multi‐decadal changes in the relationships between rainfall characteristics and debris‐flow occurrences in response to gully evolution after the 1990–1995 Mount Unzen eruptions
Published in Earth surface processes and landforms (15-09-2021)“…Explosive volcanic eruptions can cause long‐term landscape change, leading to increased sediment discharge that continues after the cessation of the eruptions…”
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4
Effect of substrate thermal expansion coefficients on the properties of (Bi,Na)TiO3-BaTiO3 thick films around the morphotropic phase boundary
Published in Japanese Journal of Applied Physics (01-11-2020)“…Lead-free (1-x)(Bi0.5Na0.5)TiO3-xBaTiO3 (abbreviated as BNT-100xBT) thick films around the morphotropic phase boundary composition (0.03 ≤ x ≤ 0.09) were…”
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5
Taxonomic revision of the genus Amphritea supported by genomic and in silico chemotaxonomic analyses, and the proposal of Aliamphritea gen. nov
Published in PloS one (10-08-2022)“…A Gram-staining-negative, aerobic bacterium, designated strain PT3 T was isolated from laboratory-reared larvae of the Japanese sea cucumber Apostichopus…”
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6
Laboratory investigation of the effects of grain size on the dynamics of debris flows: Measurement of pore fluid pressure in an open channel
Published in E3S web of conferences (01-01-2023)“…The dynamics of debris flow depend on internal stress components, such as particle–particle stress, the stress exerted by pore water, and interactions between…”
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Genome taxonomy of the genus Thalassotalea and proposal of Thalassotalea hakodatensis sp. nov. isolated from sea cucumber larvae
Published in PloS one (02-06-2023)“…The genus Thalassotalea is ubiquitous in marine environments, and up to 20 species have been described so far. A Gram-staining-negative, aerobic bacterium,…”
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8
Effects of Grain-Size Composition on Flow Resistance of Debris Flows: Behavior of Fine Sediment
Published in Journal of hydraulic engineering (New York, N.Y.) (01-05-2019)“…AbstractInvestigations are presented on the effects of grain-size composition on the flow resistance of debris flows via laboratory experiments with bidisperse…”
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9
Effect of substrate material to the properties of screen-printed lead free (Bi0.5Na0.5)TiO3-based thick films
Published in Japanese Journal of Applied Physics (24-01-2020)“…Lead-free piezoelectric 0.83(Bi0.5Na0.5)TiO3-0.17BaTiO3 (BNT-17BT) thick films were grown on MgO ceramic substrates via screen printing. Thick films with…”
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10
Characterization of Microbiomes Associated With the Early Life Stages of Sea Cucumber Apostichopus japonicus Selenka
Published in Frontiers in Marine Science (31-01-2022)“…There is a lot of evidence indicating pioneer microbes in early life having various effects on later host biology. Because of the influential phylogenetic…”
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11
Tracking the dynamics of individual gut microbiome of sea cucumber Apostichopus japonicus during gut regeneration
Published in PeerJ (San Francisco, CA) (01-12-2020)“…Sea cucumbers possess the remarkable capacity to regenerate their body parts or organs. Regeneration of host organs and/or body parts involves reconstruction…”
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12
Unveiling the early life core microbiome of the sea cucumber Apostichopus japonicus and the unexpected abundance of the growth-promoting Sulfitobacter
Published in Animal microbiome (24-10-2023)“…Abstract Background Microbiome in early life has long-term effects on the host’s immunological and physiological development and its disturbance is known to…”
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13
Effect of debris-flow sediment grain-size distribution on fan morphology
Published in Earth surface dynamics (01-08-2022)“…Knowledge of how debris flows result in the fan-shaped morphology around a channel outlet is crucial for mitigation of debris-flow-related disasters and…”
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14
Inferring potential causative microbial factors of intestinal atrophic disease in the sea cucumber Apostichopus japonicus
Published in Frontiers in Marine Science (30-08-2023)“…The overexploitation of the wild populations of Apostichopus japonicus has caused a significant decline in their numbers, prompting the establishment of a sea…”
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The Structure and Function of Gut Microbiomes of Two Species of Sea Urchins, Mesocentrotus nudus and Strongylocentrotus intermedius, in Japan
Published in Frontiers in Marine Science (22-12-2021)“…Sea urchin is an indicator of coastal environmental changes in the global warming era, and is also a model organism in developmental biology and evolution. Due…”
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Twenty-Five Years of Geomorphological Evolution in the Gokurakudani Gully (Unzen Volcano): Topography, Subsurface Geophysics and Sediment Analysis
Published in Geosciences (Basel) (01-11-2021)“…In the aftermath of pyroclastic density current-dominated eruptions, lahars are the main geomorphic agent, but at the decadal scale, different sets of…”
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17
Morphology control and phase transition of hexagonal sodium niobate particles
Published in Ceramics international (15-08-2017)“…Hexagonal NaNbO3 particles with an ilmenite structure and plate-like morphology were synthesized by a hydrothermal method. The morphological evolution of the…”
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Effects of Hexagonal BaTiO3 Addition on Textured BaTiO3 Thick Films Prepared by Screen Printing
Published in Jpn J Appl Phys (01-09-2013)“…The effects of hexagonal BaTiO 3 addition to BaTiO 3 thick films were examined. $A$- and $c$-axis-preferred BaTiO 3 thick films were prepared by hexagonal…”
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Effects of NiO addition on (K,Na,Li)NbO3-BaZrO3-(Bi,Na)TiO3-based ceramics
Published in Japanese Journal of Applied Physics (01-09-2014)“…The effects of CuO or NiO addition on the sintering temperature and electrical properties of 0.92(K0.47Na0.47Li0.06)NbO3-0.07BaZrO3-0.01(Bi0.5Na0.5)TiO3…”
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20
Delayed tooth movement in Runx2+/− mice associated with mTORC2 in stretch-induced bone formation
Published in Bone Reports (01-06-2020)“…Runt-related transcription factor 2 (Runx2) is an essential transcription factor for osteoblast differentiation, and is activated by mechanical stress to…”
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