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1

Changes in elemental composition, molecular weight and 1H NMR spectra of the water-extractable hydrophobic acid fraction in Cambisol with season and soil depth

Daichi ASAKAWA, Hidemasa MOCHIZUKI, Yukiko YANAGI, Takeshi SUZUKI, Seiya NAGAO, Nobuhide FUJITAKE

Journal:

Soil Science & Plant Nutrition

Year:

2006

Language:

english

File:

PDF, 476 KB

english, 2006

2

Distribution and sources of organic matter in surficial sediments on the shelf and slope off Tokachi, western North Pacific, inferred from C and N stable isotopes and C / N ratios

Toshihiro Usui, Seiya Nagao, Masanobu Yamamoto, Koji Suzuki, Isao Kudo, Shigeru Montani, Atsushi Noda, Masao Minagawa

Journal:

Marine Chemistry

Year:

2006

Language:

english

File:

PDF, 526 KB

english, 2006

3

Sedimentary rhythm of Mn-carbonate laminae induced by East Asian summer monsoon variability and human activity in Lake Ohnuma, southwest Hokkaido, northern Japan

Katsuta, Nagayoshi, Naito, Sayuri, Ikeda, Hisashi, Tanaka, Kuniaki, Murakami, Takuma, Ochiai, Shinya, Miyata, Yoshiki, Shimizu, Mayuko, Hayano, Asuka, Fukui, Konami, Hasegawa, Hitoshi, Nagao, Seiya, N

Journal:

Quaternary Science Reviews

Year:

2020

File:

PDF, 7.17 MB

2020

4

Low levels of 134Cs in suspended solids in rivers discharging into the Sea of Japan

Inoue, Mutsuo, Yoneoka, Shuichiro, Ochiai, Shinya, Morokado, Toshiki, Uemura, Hiroaki, Nagao, Seiya

Journal:

Journal of Radioanalytical and Nuclear Chemistry

Year:

2018

Language:

english

File:

PDF, 610 KB

english, 2018

5

Degradation of pentachlorophenol in a contaminated soil suspension using hybrid catalysts prepared via urea–formaldehyde polycondensation between iron(III)-tetrakis(p-hydroxyphenyl)porphyrin and humic acid

Masami Fukushima, Satoko Shigematsu, Seiya Nagao

Journal:

Environmental Chemistry Letters

Year:

2011

Language:

english

File:

PDF, 431 KB

english, 2011

6

Transport of particulate organic matter in the Ishikari River, Japan during spring and summer

Md. Jahangir Alam, Seiya Nagao, Takafumi Aramaki, Yasuyuki Shibata, Minoru Yoneda

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

2007

Language:

english

File:

PDF, 256 KB

english, 2007

7

Clear cell meningioma with histologically aggressive appearance and clinically aggressive behavior: A case report

Satoshi Hori, Nakamasa Hayashi, Shin Ishizawa, Shinichi Hayashi, Hikari Sato, Seiya Nagao, Naoki Akioka, Shoichi Nagai, Manabu Nishikata, Shunro Endo

Journal:

Year:

2012

Language:

english

File:

PDF, 635 KB

english, 2012

8

[IEEE 2011 International Symposium on Electrical Insulating Materials (ISEIM) - Kyoto (2011.9.6-2011.9.10)] Proceedings of 2011 International Symposium on Electrical Insulating Materials - Effect of surface condition on the evaluation of hydrophobicity of polymer insulator

Tokoro, Tetsuro, Kojima, Seiya, Nagao, Masayuki

Year:

2011

Language:

english

File:

PDF, 1.09 MB

english, 2011

9

Circulation paths of 134Cs in seawater southwest of Japan in 2018 and 2019

Inoue, Mutsuo, Takehara, Ryosei, Takikawa, Tetsutaro, Shirotani, Yuhei, Morita, Takami, Honda, Naoto, Nagao, Seiya

Journal:

Journal of Environmental Radioactivity

Year:

2020

File:

PDF, 1.45 MB

2020

10

Possible complexation of uranium with dissolved humic substances in pore water of marine sediments

Seiya Nagao, Satoru Nakashima

Journal:

Science of The Total Environment

Year:

1992

Language:

english

File:

PDF, 464 KB

english, 1992

11

Molecular-size-distribution-dependent aggregation of humic substances by Na(I), Ag(I), Ca(II), and Eu(III)

Tamamura, Shuji, Ohashi, Ryutaro, Nagao, Seiya, Yamamoto, Masayoshi, Mizuno, Motohiro

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2013

Language:

english

File:

PDF, 1.63 MB

english, 2013

12

134Cs and 137Cs Radioactivity in River Waters from the Upper Tone River

NAGAO, Seiya, KANAMORI, Masaki, SUZUKI, Kyuma, OCHIAI, Shinya, INOUE, Mutsuo

Year:

2017

File:

PDF, 838 KB

2017

13

Influence of Halogen Substituents on the Catalytic Oxidation of 2,4,6-Halogenated Phenols by Fe(III)-Tetrakis(p-hydroxyphenyl) porphyrins and Potassium Monopersulfate

Fukushima, Masami, Mizutani, Yusuke, Maeno, Shouhei, Zhu, Qianqian, Kuramitz, Hideki, Nagao, Seiya

Journal:

Year:

2011

File:

PDF, 421 KB

2011

14

Cytologic and ultrastructural studies of a rare breast carcinoma with osteoclast-like giant cells

Dr. Isamu Sugano, Koichi Nagao, Yoichiro Kondo, Seiya Nabeshima, Shizuka Murakami

Journal:

Year:

1983

Language:

english

File:

PDF, 2.21 MB

english, 1983

15

Processes influencing iron distribution in the coastal waters of the Tsugaru Strait, Japan

Yukiyo Saitoh, Kenshi Kuma, Yutaka Isoda, Hiroshi Kuroda, Hiromi Matsuura, Taku Wagawa, Hyoe Takata, Naoto Kobayashi, Seiya Nagao, Takeshi Nakatsuka

Journal:

Journal of Oceanography

Year:

2008

Language:

english

File:

PDF, 1.37 MB

english, 2008

16

Syringomyelia Associated With Paget Disease of the Skull

HORI, Satoshi, KURIMOTO, Masanori, UMEMURA, Kimiko, HAMADA, Hideo, NAGAO, Seiya, HAYASHI, Nakamasa, KUWAYAMA, Naoya, ENDO, Shunro

Journal:

Neurologia medico-chirurgica

Year:

2013

Language:

english

File:

PDF, 343 KB

english, 2013

17

Desorption of radioactive cesium by seawater from the suspended particles in river water

Onodera, Masaki, Kirishima, Akira, Nagao, Seiya, Takamiya, Kouichi, Ohtsuki, Tsutomu, Akiyama, Daisuke, Sato, Nobuaki

Journal:

Year:

2017

Language:

english

File:

PDF, 3.69 MB

english, 2017

18

Bacteriophages of Clostridium saccharoperbutylacetonicum

OGATA, Seiya, NAGAO, Noriaki, HIDAKA, Zyun, HONGO, Motoyoshi

Journal:

Agricultural and Biological Chemistry

Year:

1969

Language:

english

File:

PDF, 6.26 MB

english, 1969

19

Characteristics of humic substances in the Kuji River waters as determined by high-performance size exclusion chromatography with fluorescence detection

Seiya Nagao, Takeshi Matsunaga, Yasuhiro Suzuki, Takashi Ueno, Hikaru Amano

Journal:

Year:

2003

Language:

english

File:

PDF, 476 KB

english, 2003

20

Radiocarbon of dissolved humic substances in river waters from the Chernobyl area

Seiya Nagao, Takafumi Aramaki, Nobuhide Fujitake, Takeshi Matsunaga, Yuri Tkachenko

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

2004

Language:

english

File:

PDF, 302 KB

english, 2004

21

Convenient Characterization of Humic Substances in Deep Groundwaters by Three-Dimensional Excitation Emission Matrix Spectroscopy

Nagao, Seiya, Iwatsuki, Teruki

Journal:

Year:

2007

File:

PDF, 883 KB

2007

22

Geomagnetic and Topographic Survey of the Main Crater Lake in Taal Volcano (Philippines): Preliminary Report

SASAI, Yoichi, HARADA, Makoto, SABIT, Julio P., ZLOTNICKI, Jacques, TANAKA, Yoshikazu, CORDON Jr., Juan M., UYEDA, Seiya, NAGAO, Toshiyasu, SINCIOCO, Jame S.

Journal:

Journal of Geography (Chigaku Zasshi)

Year:

2008

File:

PDF, 1.88 MB

2008

23

Characterization and thermodynamic study of humic acid in deep groundwater at Horonobe, Hokkaido, Japan

Kimuro, Shingo, Kirishima, Akira, Nagao, Seiya, Saito, Takumi, Amano, Yuki, Miyakawa, Kazuya, Akiyama, Daisuke, Sato, Nobuaki

Journal:

Journal of Nuclear Science and Technology

Year:

2017

Language:

english

File:

PDF, 1.24 MB

english, 2017

24

A fast high-voltage switching multiwire proportional chamber

Natori, H., Teshima, N., Aoki, M., Nishiguchi, H., Nguyen, T. D., Takezaki, Y., Furuya, Y., Ito, S., Mihara, S., Nagao, D., Nakatsugawa, Y., Nguyen, T. M., Seiya, Y., Shimizu, K., Yamamoto, K.

Journal:

Progress of Theoretical and Experimental Physics

Year:

2017

Language:

english

File:

PDF, 1.93 MB

english, 2017

25

Low levels of Fukushima Dai-ichi NPP-derived radiocesium in marine products from coastal areas in the Sea of Japan (2012–2017)

Inoue, Mutsuo, Yamashita, Shiori, Takehara, Ryosei, Miki, Shizuho, Nagao, Seiya

Journal:

Applied Radiation and Isotopes

Year:

2019

Language:

english

File:

PDF, 690 KB

english, 2019

26

Uranium in coastal sediments of Tokyo Bay and Funka Bay

Shizuo Tsunogai, Seiya Nagao, Shintaro Watanabe, Yoshiaki Takahashi, Kazunari Suzuki, Masatoshi Yamada, Koh Harada

Journal:

Journal of Oceanography

Year:

1990

Language:

english

File:

PDF, 659 KB

english, 1990

27

Co-seismic geoelectrical potential changes associated with the June 4, 2000’s earthquake (Mw7.9) in Bengkulu, Indonesia

Djedi S. Widarto, Toru Mogi, Yoshikazu Tanaka, Toshiyasu Nagao, Katsumi Hattori, Seiya Uyeda

Journal:

Physics and Chemistry of the Earth, Parts A/B/C

Year:

2009

Language:

english

File:

PDF, 1.12 MB

english, 2009

28

Sediment transport processes in a reservoir–catchment system inferred from sediment trap observations and fallout radionuclides

Ochiai, Shinya, Yamamoto, Masayoshi, Nagao, Seiya, Itono, Taeko, Kashiwaya, Kenji

Journal:

Journal of Radioanalytical and Nuclear Chemistry

Year:

2015

Language:

english

File:

PDF, 414 KB

english, 2015

29

Variation of dissolved organic matter and fluorescence characteristics before, during and after phytoplankton bloom

Marut Suksomjit, Seiya Nagao, Kazuhiko Ichimi, Tatsuo Yamada, Kuninao Tada

Journal:

Journal of Oceanography

Year:

2009

Language:

english

File:

PDF, 2.06 MB

english, 2009

30

Short-term earthquake prediction: Current status of seismo-electromagnetics

Seiya Uyeda, Toshiyasu Nagao, Masashi Kamogawa

Journal:

Year:

2009

Language:

english

File:

PDF, 1.16 MB

english, 2009

31

Oxidative degradation of 2,4,6-trichlorophenol and pentachlorophenol in contaminated soil suspensions using a supramolecular catalyst of 5,10,15,20-tetrakis ( p -hydroxyphenyl)porphine-iron(III) bound to humic acid via formaldehyde polycondensation

Fukushima, Masami, Shigematsu, Satoko, Nagao, Seiya

Journal:

Journal of Environmental Science and Health Part A

Year:

2009

Language:

english

File:

PDF, 622 KB

english, 2009

32

Europium-binding abilities of dissolved humic substances isolated from deep groundwater in Horonobe area, Hokkaido, Japan

Terashima, Motoki, Nagao, Seiya, Iwatsuki, Teruki, Fujitake, Nobuhide, Seida, Yoshimi, Iijima, Kazuki, Yoshikawa, Hideki

Journal:

Journal of Nuclear Science and Technology

Year:

2012

Language:

english

File:

PDF, 1.51 MB

english, 2012

33

Convection of surface water in the northeastern Japan Sea: Implications from vertical profiles of 134Cs concentrations

Inoue, Mutsuo, Takehara, Ryosei, Yamashita, Shiori, Senjyu, Tomoharu, Morita, Takami, Miki, Shizuho, Nagao, Seiya

Journal:

Marine Chemistry

Year:

2019

Language:

english

File:

PDF, 816 KB

english, 2019

34

The geochemistry of pore water uranium in coastal marine sediments from Funka Bay, Japan.

Nagao, Seiya, Narita, Hisashi, Tsunogai, Shizuo, Harada, Koh, Ishii, Toshiaki

Journal:

GEOCHEMICAL JOURNAL

Year:

1992

Language:

english

File:

PDF, 2.91 MB

english, 1992

35

Marine Reservoir Effects Deduced from 14C Dates on Pottery Residues, Bones, and Molluskan Shells from the Hamanaka 2 Archaeological Site, Rebun Island, Hokkaido, Japan

Miyata, Yoshiki, Horiuchi, Akiko, Kondo, Megumi, Onbe, Shin, Yoshida, Kunio, Nagao, Seiya, Nishimoto, Toyohiro

Journal:

Year:

2016

Language:

english

File:

PDF, 794 KB

english, 2016

36

The factors controlling vertical color variations of North Atlantic Madeira Abyssal Plain sediments

Seiya Nagao, Satoru Nakashima

Journal:

Year:

1992

Language:

english

File:

PDF, 839 KB

english, 1992

37

Accumulation and potential dissolution of Chernobyl-derived radionuclides in river bottom sediment

Yukihisa Sanada, Takeshi Matsunaga, Nobuyuki Yanase, Seiya Nagao, Hikaru Amano, Hideshige Takada, Yuri Tkachenko

Journal:

Applied Radiation and Isotopes

Year:

2002

Language:

english

File:

PDF, 289 KB

english, 2002

38

Degradation Characteristics of Humic Acid during Photo-Fenton Processes

Fukushima, Masami, Tatsumi, Kenji, Nagao, Seiya

Journal:

Environmental Science & Technology

Year:

2001

Language:

english

File:

PDF, 187 KB

english, 2001

39

Minimum of the order parameter fluctuations of seismicity before major earthquakes in Japan

Sarlis, Nicholas V., Skordas, Efthimios S., Varotsos, Panayiotis A., Nagao, Toshiyasu, Kamogawa, Masashi, Tanaka, Haruo, Uyeda, Seiya

Journal:

Proceedings of the National Academy of Sciences

Year:

2013

Language:

english

File:

PDF, 1.50 MB

english, 2013

40

Stream Water Nitrogen Eutrophication During Non-Irrigated Periods in a Paddy-Dominated Agricultural Basin in a Snowfall Area in Japan

Shinozuka, Ken’ichi, Chiwa, Masaaki, Nakamura, Koji, Nagao, Seiya, Kume, Atsushi

Journal:

Water, Air & Soil Pollution

Year:

2016

Language:

english

File:

PDF, 1.49 MB

english, 2016

41

Low levels of 134Cs and 137Cs in surface seawaters around the Japanese Archipelago after the Fukushima Dai-ichi Nuclear Power Plant accident in 2011

INOUE, MUTSUO, KOFUJI, HISAKI, NAGAO, SEIYA, YAMAMOTO, MASAYOSHI, HAMAJIMA, YASUNORI, FUJIMOTO, KEN, YOSHIDA, KEISUKE, SUZUKI, ATSUO, TAKASHIRO, HIDEAKI, HAYAKAWA, KAZUICHI, HAMATAKA, KAZUHITO, YOSHID

Journal:

GEOCHEMICAL JOURNAL

Year:

2012

Language:

english

File:

PDF, 867 KB

english, 2012

42

Radiocesium distribution in aggregate-size fractions of cropland and forest soils affected by the Fukushima nuclear accident

Koarashi, Jun, Nishimura, Syusaku, Atarashi-Andoh, Mariko, Matsunaga, Takeshi, Sato, Tsutomu, Nagao, Seiya

Journal:

Year:

2018

Language:

english

File:

PDF, 1.51 MB

english, 2018

43

A Patient with Bacterial Bilateral Cervical Aneurysms Who Responded to Endovascular Treatment

Tsuboi, Yoshifumi, Itokawa, Hiroshi, Narikiyo, Michihisa, Nagayama, Gota, Nagasaki, Hirokazu, Nagao, Seiya, Kambayashi, Chisaku

Journal:

Journal of Neuroendovascular Therapy

Year:

2018

Language:

english

File:

PDF, 1.21 MB

english, 2018

44

Rare earth element distributions in rivers and sediments from the Erdenet CuâMo mining area, Mongolia

Munemoto, Takashi, Solongo, Tsetsgee, Okuyama, Akihiro, Fukushi, Keisuke, Yunden, Ariuntungalag, Batbold, Taivanbat, Altansukh, Ochir, Takahashi, Yoshio, Iwai, Hisanori, Nagao, Seiya

Journal:

Applied Geochemistry

Year:

2020

File:

PDF, 6.27 MB

2020

45

Comparison of the vertical distributions of Fukushima nuclear accident radiocesium in soil before and after the first rainy season, with physicochemical and mineralogical interpretations

Matsunaga, Takeshi, Koarashi, Jun, Atarashi-Andoh, Mariko, Nagao, Seiya, Sato, Tsutomu, Nagai, Haruyasu

Journal:

Science of The Total Environment

Year:

2013

Language:

english

File:

PDF, 1.16 MB

english, 2013

46

N2fixation variability in the oligotrophic Sulu Sea, western equatorial Pacific region over the past 83 kyr

Keiji Horikawa, Masao Minagawa, Yoshihisa Kato, Masafumi Murayama, Seiya Nagao

Journal:

Journal of Oceanography

Year:

2006

Language:

english

File:

PDF, 645 KB

english, 2006

47

Spatial variations of 226Ra, 228Ra, 137Cs, and 228Th activities in the southwestern Okhotsk Sea

Mutsuo Inoue, Keisuke Yoshida, Masayuki Minakawa, Hisaki Kofuji, Seiya Nagao, Yasunori Hamajima, Masayoshi Yamamoto

Journal:

Journal of Environmental Radioactivity

Year:

2012

Language:

english

File:

PDF, 545 KB

english, 2012

48

Factors affecting vertical distribution of Fukushima accident-derived radiocesium in soil under different land-use conditions

Jun Koarashi, Mariko Atarashi-Andoh, Takeshi Matsunaga, Tsutomu Sato, Seiya Nagao, Haruyasu Nagai

Journal:

Science of The Total Environment

Year:

2012

Language:

english

File:

PDF, 732 KB

english, 2012

49

Electric field polarization around Ioannina VAN station, Greece, inferred from a resistivity mapping

Wataru Kanda, Makoto Uyeshima, John Makris, Yoshiaki Orihara, Hideaki Hase, Toshiyasu Nagao, Seiya Uyeda

Journal:

Physics of the Earth and Planetary Interiors

Year:

2000

Language:

english

File:

PDF, 1.66 MB

english, 2000

50

Sorption behavior of pletoniem(IV) onto soils in the presence of hemic acid

Tanaka, Tadao, Nagao, Seiya, Sakamoto, Yoshiaki, Ogawa, Hiromichi

Journal:

Journal of Nuclear Science and Technology

Year:

2002

Language:

english

File:

PDF, 1.81 MB

english, 2002

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