Zobrazeno 1 - 10 of 76 pro vyhledávání: '"Shin-ichi YAMASAKI"'
1
Akademický článek
Verification of the Solid–Liquid Separation of Waterlogged Reduced Soil via a Centrifugal Filtration Method
Autor: Shatabdi Saha, Kumi Watanabe, Tomoyuki Makino, Hitoshi Kanno, Kazuhiko Kimura, Shin-Ichi Yamasaki
Publikováno v: Soil Systems, Vol 8, Iss 2, p 61 (2024)
The efficient separation of solid and liquid phases of soil under reductive conditions is of the utmost importance to study soil chemistry and to predict the mobility and bioavailability of nutrients and toxic contaminants in waterlogged reduced soil
Externí odkaz: https://doaj.org/article/7364c76773d1424cb3d198217c4d2763
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2
Akademický článek
Major element analysis of geological samples with wavelength Dispersive X-ray Fluorescence (WDXRF) spectrometry using glass disks and pressed powder pellets
Autor: Shin-Ichi Yamasaki, Hiroyuki Yamagishi, Noriyoshi Tsuchiya
Publikováno v: Sustainable Environment, Vol 9, Iss 1 (2023)
ABSTRACTA rapid and accurate method for total analysis of major elements in soils, sediments and rock samples has been established by wavelength dispersive X-ray fluorescence spectrometry (WDXRF) using fused glass disks and pressed powder pellets. Th
Externí odkaz: https://doaj.org/article/41402f7f371d46aba7453db74812809b
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3
Akademický článek
Extraction of Surface Soil Geochemical Characteristics of Element Concertation by Principal Component Analysis
Autor: Kengo NAKAMURA, Tatsu KUWATANI, Takeshi KOMAI, Shin-ichi YAMASAKI
Publikováno v: Journal of MMIJ, Vol 134, Iss 2, Pp 13-21 (2018)
Understanding the geochemical characteristics of various soils is significant for revealing the mechanisms occurring under natural conditions, assessing the environmental risks and managing the land use. However these various soils have complex formi
Externí odkaz: https://doaj.org/article/950f723af8af4b138275ef53c4c05746
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9
Underestimation of chromium and zirconium in soils by hydrofluoric acid digestion and inductively coupled plasma-mass spectrometry
Autor: Noriyoshi Tsuchiya, Shin Ichi Yamasaki, Kazuhiko Kimura, Akira Takeda
Publikováno v: Soil Science and Plant Nutrition. 62:121-126
The concentrations of chromium (Cr) and zirconium (Zr) in 503 soil samples collected from 78 site in Japan were determined by using two utterly different methods. The first was the relatively widely used inductively coupled plasma-mass spectrometry (
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3b5e7e7427154f150808d6fe8fabdc3d
https://doi.org/10.1080/00380768.2016.1149437
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10
A geochemical approach for identifying marine incursions: Implications for tsunami geology on the Pacific coast of northeast Japan
Autor: Yuki Sawai, Fumiko Watanabe Nara, Takeshi Komai, Takahiro Watanabe, Noriyoshi Tsuchiya, Norihiro Hosoda, Toshio Nakamura, Shin Ichi Yamasaki
Publikováno v: Applied Geochemistry. 118:104644
Potential tsunami inundation areas can be predicted by the distribution of paleo tsunami deposits on land, which are mainly composed of marine-derived sands and muds. These exotic sandy and muddy layers have been identified by multiple approaches. Ho
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06f84a1a8bab60ca09d89f95539ba349
https://doi.org/10.1016/j.apgeochem.2020.104644
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