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DOI
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Journal
Affiliation
ISSN
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Development of simple HPLC/UV with a column-switching method for the determination of nicotine and cotinine in hair samples
(Articles)
Masayoshi Tsuji
,
Yayoi Mori
,
Hideyuki Kanda
,
Teruna Ito
,
Tomoo Hidaka
,
Takeyasu Kakamu
,
Tomohiro Kumagai
,
Takehito
Hayakawa
,
Yoneatsu Osaki
,
Tetsuhito Fukushima
Health
Vol.5 No.4
,April 18, 2013
DOI:
10.4236/health.2013.54091
5,984
Downloads
9,096
Views
Citations
Controlling the Energy Absorption Capability of a Unidirectional Carbon Fiber Reinforced Plastic Tube Using a Double-Sided Plug
(Articles)
Masahito Ueda
,
Takehito
Tsuji
,
Tae-Kun Jeong
Open Journal of Composite Materials
Vol.5 No.1
,December 31, 2014
DOI:
10.4236/ojcm.2015.51006
4,871
Downloads
6,301
Views
Citations
Stability Analysis of Cliff Face around Kegon Falls in Nikko, Eastern Japan: An Implication to Its Erosional Mechanisms
(Articles)
Yuichi S.
Hayakawa
International Journal of Geosciences
Vol.4 No.6B
,August 20, 2013
DOI:
10.4236/ijg.2013.46A2002
4,816
Downloads
6,987
Views
Citations
This article belongs to the Special Issue on
Geography
On the Tempo-Spatial Evolution of the Lower Ionospheric Perturbation for the 2016 Kumamoto Earthquakes from Comparisons of VLF Propagation Data Observed at Multiple Stations with Wave-Hop Theoretical Computations
(Articles)
Tomokazu Asano
,
Masashi
Hayakawa
Open Journal of Earthquake Research
Vol.7 No.3
,July 23, 2018
DOI:
10.4236/ojer.2018.73010
970
Downloads
1,755
Views
Citations
Angiodysplasia Presenting with Multiple Polypoid Lesions: An Unusual Cause of Small Bowel Obstruction
(Articles)
Yoshiharu Takenaka
,
Takahiro Sasaki
,
Nobuyoshi Miyajima
,
Takehito
Otsubo
Case Reports in Clinical Medicine
Vol.3 No.11
,November 21, 2014
DOI:
10.4236/crcm.2014.311128
3,493
Downloads
4,106
Views
Citations
The Effect of Nitrous Oxide on the Intraocular Pressure in Patients Undergoing Abdominal Surgery under Sevoflurane and Remifentanil Anesthesia
(Articles)
Toru Goyagi
,
Takehito
Sato
,
Takashi Horiguchi
,
Toshiaki Nishikawa
Open Journal of Anesthesiology
Vol.6 No.6
,June 9, 2016
DOI:
10.4236/ojanes.2016.66014
2,158
Downloads
3,725
Views
Citations
Variations of Atmospheric ELF/VLF Radio Noise Due to Seismogenic Modifications in Tropospheric Conductivity
(Articles)
Masashi
Hayakawa
,
Alexander P. Nickolaenko
Open Journal of Earthquake Research
Vol.13 No.2
,May 27, 2024
DOI:
10.4236/ojer.2024.132005
10
Downloads
39
Views
Citations
Transition of the Feldstein-Horioka Puzzle
(Articles)
Isamu Ginama
,
Kazuhiko
Hayakawa
,
Takahiro Kanmei
Journal of Mathematical Finance
Vol.11 No.1
,February 26, 2021
DOI:
10.4236/jmf.2021.111006
446
Downloads
1,240
Views
Citations
Difference of Curcumin Content in Curcuma longa L. (Zingiberaceae) Caused by Hybridization with Other Curcuma Species
(Articles)
Hiroshi
Hayakawa
,
Yukio Minaniya
,
Katsura Ito
,
Yoshinori Yamamoto
,
Tatsuya Fukuda
American Journal of Plant Sciences
Vol.2 No.2
,July 1, 2011
DOI:
10.4236/ajps.2011.22013
11,582
Downloads
23,007
Views
Citations
On the Anomalies in ULF Magnetic Field Variations Prior to the 2008 Sichuan Earthquake
(Articles)
Qi Li
,
Alexander Schekotov
,
Tomokazu Asano
,
Masashi
Hayakawa
Open Journal of Earthquake Research
Vol.4 No.2
,April 14, 2015
DOI:
10.4236/ojer.2015.42005
4,335
Downloads
5,371
Views
Citations
A Study on the Correlation of Milk Yield of Cows with Seismicity and ULF Magnetic Field Variations
(Articles)
Masashi
Hayakawa
,
Tomokazu Asano
,
Alexander Schekotov
,
Hiroyuki Yamauchi
Open Journal of Earthquake Research
Vol.5 No.4
,November 17, 2016
DOI:
10.4236/ojer.2016.54017
1,385
Downloads
2,464
Views
Citations
Characteristic Variations of VLF/LF Signals during a High Seismic Activity in Japan in November 2016
(Articles)
Tomokazu Asano
,
Alexander Rozhnoi
,
Maria Solovieva
,
Masashi
Hayakawa
Open Journal of Earthquake Research
Vol.6 No.4
,November 3, 2017
DOI:
10.4236/ojer.2017.64013
1,011
Downloads
1,886
Views
Citations
Formation of Ionospheric Precursors of Earthquakes—Probable Mechanism and Its Substantiation
(Articles)
Georgii Lizunov
,
Tatiana Skorokhod
,
Masashi
Hayakawa
,
Valery Korepanov
Open Journal of Earthquake Research
Vol.9 No.2
,March 16, 2020
DOI:
10.4236/ojer.2020.92009
581
Downloads
1,687
Views
Citations
This article belongs to the Special Issue on
Seismo Electromagnetics and Earthquake Prediction
Malnutrition and Its Association with the Mortality of Patients with Femoral Intertrochanteric Fractures: A Retrospective Analysis of Japanese Patients
(Articles)
Taizo Kaneko
,
Kyoko Matsudaira
,
Kentaro
Hayakawa
,
Fumiaki Tokimura
,
Tsuyoshi Miyazaki
Open Journal of Orthopedics
Vol.14 No.1
,January 22, 2024
DOI:
10.4236/ojo.2024.141003
49
Downloads
174
Views
Citations
Geographical Patterns of Tuberculosis Notification Rates and Their Associations with Sociodemographic Characteristics in Communes in Phnom Penh, Cambodia
(Articles)
Ayano Miyashita
,
Aya Hiraki
,
Keiko Nakamura
,
Takehito
Takano
,
Kaoruko Seino
,
Saber Al-Sobaihi
,
Ngy Mean Heng
,
Koeut Pichenda
Journal of Tuberculosis Research
Vol.7 No.2
,June 30, 2019
DOI:
10.4236/jtr.2019.72011
747
Downloads
1,702
Views
Citations
An Evans Syndrome Case Expressing Anti-Jk
a
Autoantibody under Condition of Primary IgA Immunodeficiency
(Articles)
Takeshi Sugimoto
,
Ayumi Tani
,
Ikuyo
Hayakawa
,
Makoto Hashimoto
,
Tomoko Yanai
,
Ikuko Kubokawa
,
Takeshi Mori
,
Takeshi Kato
,
Satoshi Hirase
,
Nobuyuki Yamamoto
,
Hironobu Minami
,
Akira
Hayakawa
International Journal of Clinical Medicine
Vol.6 No.7
,July 16, 2015
DOI:
10.4236/ijcm.2015.67066
3,016
Downloads
4,096
Views
Citations
Development of a Molecular Marker to Identify a Candidate Line of Turmeric (Curcuma longa L.) with a High Curcumin Content
(Articles)
Hiroshi
Hayakawa
,
Tetsuya Kobayashi
,
Yukio Minaniya
,
Katsura Ito
,
Akira Miyazaki
,
Tatsuya Fukuda
,
Yoshinori Yamamoto
American Journal of Plant Sciences
Vol.2 No.1
,March 4, 2011
DOI:
10.4236/ajps.2011.21002
8,757
Downloads
18,891
Views
Citations
Simulation of Waves Processes in Dusty Emission of Volcano
(Articles)
V.V. Grimalsky
,
M.A. Cruz Chavez
,
S.V. Koshevaya
,
A. Kotsarenko
,
M.
Hayakawa
,
R. Pérez Enriquez
Open Journal of Geology
Vol.1 No.1
,April 11, 2011
DOI:
10.4236/ojg.2011.11002
4,146
Downloads
9,815
Views
Citations
Introgressive Hybrids of
Arisaema sikokianum
and
A. tosaense
(Araceae) Confirmed through Nuclear and Chloroplast DNA Comparisons
(Articles)
Hiroshi
Hayakawa
,
Hidenori Hamachi
,
Kanako Matsuyama
,
Yuko Muramatsu
,
Yukio Minamiya
,
Katsura Ito
,
Jun Yokoyama
,
Tatsuya Fukuda
American Journal of Plant Sciences
Vol.2 No.3
,September 30, 2011
DOI:
10.4236/ajps.2011.23034
4,810
Downloads
8,259
Views
Citations
Interspecific Hybridization between
Arisaema sikokianum
and
A. serratum
(Araceae) Confirmed through Nuclear and Chloroplast DNA Comparisons
(Articles)
Hiroshi
Hayakawa
,
Hidenori Hamachi
,
Kanako Matsuyama
,
Yuko Muramatsu
,
Yukio Minamiya
,
Katsura Ito
,
Jun Yokoyama
,
Tatsuya Fukuda
American Journal of Plant Sciences
Vol.2 No.4
,October 31, 2011
DOI:
10.4236/ajps.2011.24061
4,970
Downloads
9,342
Views
Citations
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