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Dive into the research topics where Naoki Kawahara is active.

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Featured researches published by Naoki Kawahara.


Archive | 1999

Fluorescent X-ray analyzer

Naoki Kawahara; Kouichi Takatsuki Aoyagi


Archive | 1999

Fluorescent X-ray analyzer useable as wavelength dispersive type and energy dispersive type

Naoki Kawahara; Takashi Shoji; Takashi Takatsuki Misonoo; Kouichi Takatsuki Aoyagi; Akira Takatsuki Arake; Takashi Takatsuki Sakamoto; Minoru Takatsuki Inoue; Yasujiro Yamada


Archive | 2003

X-ray fluorescence spectrometer for semiconductors

Naoki Kawahara; Hisayuki Kohno; Takashi Yamada; Keisuke Ogura


Spectrochimica Acta Part B: Atomic Spectroscopy | 2015

New developments of X-ray fluorescence imaging techniques in laboratory

Kouichi Tsuji; Tsuyoshi Matsuno; Yuki Takimoto; Masaki Yamanashi; Noritsugu Kometani; Yuji C. Sasaki; Takeshi Hasegawa; Shuichi Kato; Takashi Yamada; Takashi Shoji; Naoki Kawahara


Archive | 2002

X-ray fluorescence analyzer for semiconductors

Naoki Kawahara; Hisamasa Kono; Keisuke Ogura; Takashi Yamada; 啓助 小倉; 隆 山田; 直樹 河原; 久征 河野


Archive | 2006

FUNDAMENTAL PARAMETER METHOD USING SCATTERING X-RAYS IN X-RAY FLUORESCENCE ANALYSIS

Yoshiyuki Kataoka; Naoki Kawahara; Shinya Hara; Yasujiro Yamada; Takashi Matsuo; Michael Mantler


Archive | 2006

Specimen drip substrate for total-reflection fluorescence x-ray analysis, total reflection fluorescent x-ray analyzer, and total reflection fluorescent x-ray analysis method

Koichi Aoyanagi; Tsuneo Kandori; Naoki Kawahara; Yuichiro Shimizu; Takashi Yamada; 隆 山田; 直樹 河原; 雄一郎 清水; 恒夫 神鳥; 光一 青柳


Bunseki Kagaku | 2017

Large-area Imaging by WD-XRF Analysis and Elemental Monitoring of the Dissolution Process of a Solid Sample

Shota Aida; Yuki Takimoto; Takuto Sakumura; Kazuyuki Matsushita; Takashi Shoji; Naoki Kawahara; Kouichi Tsuji


Archive | 2012

EXPERIMENTAL STUDY ON THE ENERGY DEPENDENCE OF PHOTOIONIZATION CROSS-SECTION RATIOS IN SUBSHELLS USING AN EDX SPECTROMETER

Makoto Doi; Naoki Kawahara; Shinya Hara; Michael Mantler


Archive | 2006

X-Ray Detectors and XRF Detection Channels

Frank Scholze; A. Longoni; C. Fiorini; L. Strüder; Norbert Meidinger; Robert Hartmann; Naoki Kawahara; Takashi Shoji

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