Nondestructive estimation of strength deterioration in photovoltaic backsheets using a portable near infrared spectrometer

Hua Li, Ryoei Kikuchi, Masanori Kumagai, +5

Solar Energy Materials and Solar Cells

Electrical EngineeringEngineeringMeasurementSolar PowerStructural Health Monitoring +7

A Chemometrics Approach for Distinguishing between Beers Using near Infrared Spectroscopy

Hua Li, Yutaka Takahashi, Masanori Kumagai, +6

Journal of Near Infrared Spectroscopy

Nir SpectroscopyEnvironmental MonitoringEngineeringChemistrySpectrochemical Analysis +17

Evaluation of Ionic Pollutants of Acid Fog and Rain Using a Factor Analysis and Back Trajectories

Tetsuya Adzuhata, Junko Inotsume, Tomoko Okamura, +4

Analytical Sciences

Environmental ChemistryBack TrajectoriesEnvironmental MonitoringEngineeringIonic Pollutants +7

Cloud droplet size dependence of the concentrations of various ions in cloud water at a mountain ridge in northern Japan

Nobuaki Ogawa, Ryoei Kikuchi, Tomoko Okamura, +3

Atmospheric Research

MeteorologyEnvironmental MonitoringCloud WaterEngineeringAtmospheric Science +8

Evaluation of ionic pollutants in cloud droplets at a mountain ridge in northern Japan using constrained oblique rotational factor analysis

Nobuaki Ogawa, Ryoei Kikuchi, Tomoko Okamura, +4

Atmospheric Research

MeteorologyEnvironmental ChemistryAtmospheric ConditionEnvironmental MonitoringEngineering +9

A Near Infrared Spectroscopic Discrimination of Noodle Flours Using a Principal-Component Analysis Coupled with Chemical Information

Masanori Kumagai, Kikuko Karube, Tomoaki Sato, +4

Analytical Sciences

Food ChemistryFood AuthenticationChemical InformationSpectroscopyBioanalysis +12

Monitoring of long-distance transportation of pollutants in precipitation in coastal areas facing the Japan Sea, Japan (2000-2001) and the grouping of ions in pollutants by principal component analysis

Toru Ozeki, Toshihiro Ihara, Toshinobu OKADA, +2

BUNSEKI KAGAKU

Pollution DetectionEnvironmental MonitoringEngineeringLong-distance TransportationEnvironmental Impact Assessment +10

Evaluation of sea-salt origin pollutants in precipitation at Akita using constrained oblique rotational factor analysis.

Nobuaki Ogawa, Ryoei Kikuchi, Hiroshi Gotô, +2

BUNSEKI KAGAKU

Sea-salt Origin PollutantsChemical OceanographyEngineeringSoil SalinityMarine Pollution +3

Chemical Meaning of Near Infrared Spectra from a Portable Near Infrared Spectrometer for Various Plastic Wastes

Masanori Kumagai, Hideto Suyama, Tomoaki Sato, +3

International Journal of the Society of Materials Engineering for Resources

The degree of Cl-loss for the particulate matter (PM) and fog water sampled at the same air mass at the Hachimantai mountain range in northern Japan

Ryoei Kikuchi, Makoto Takada, Keita Hifumi, +5

Atmospheric Research

Environmental MonitoringFog WaterEngineeringAir Pollution MeasurementAtmospheric Science +7