Results 21 to 30 of about 1,335,294 (246)

Study on the Infrared Spectral Characteristics of H2OⅠ-type Emerald and the Controlling Factors

Yankuang ceshi, 2019
BACKGROUND The infrared absorption mechanism is mainly related to the Si-O lattice, channel structure water, other alkaline metal cations, and vibration of molecules.
QIAO Xin, ZHOU Zheng-yu, NONG Pei-zhen, LAI Meng, LI Ying-bo, GUO Kai-peng, ZHONG Qian, WANG Han, ZHOU Yan   +8 more
doaj   +1 more source

The use of near infrared (NIR) spectroscopy to improve soil mapping at the farm scale [PDF]

, 2008
The creation of fine resolution soil maps is hampered by the increasing costs associated with conventional laboratory analyses of soil. In this study, near infrared (NIR) reflectance spectroscopy was used to reduce the number of conventional soil ...
Söderström, Mats, Stenberg, Bo, Wetterlind, Johanna   +2 more
core   +2 more sources

Advances in Ion Mobility Spectrometry-Mass Spectrometry (IMS-MS)-Based Techniques for Elucidating Higher-Order Protein Structures

, 2020
Despite its great success in the field of proteomics, mass spectrometry has limited use for determining structural details of peptides, proteins, and their assemblies.
SEO, JONGCHEOL
core   +1 more source

Characterization of the aerosol produced by infrared femtosecond laser ablation of polyacrylamide gels for the sensitive inductively coupled plasma mass spectrometry detection of selenoproteins [PDF]

, 2009
A 2D high repetition rate femtosecondlaserablation strategy (2-mm wide lane) previously developed for the detection of selenoproteins in gel electrophoresis by inductively coupled plasma mass spectrometry was found to increase signal sensitivity by a ...
Claverie, Fanny, Fernandez Garcia, Beatriz, Fernandez, B., Pécheyran, Christophe, Mounicou, Sandra, Alexis, Joël, Claverie, F., Donard, Olivier François Xavier, Lobinski, Ryszard, Ballihaut, Guillaume, Ballihaut, G., Donard, Olivier F. X., Ryszard Lobinski, Fanny Claverie, Sandra Mounicou, Guillaume Ballihaut, Beatriz Fernandez, Olivier F.X. Donard, Joël Alexis, Alexis, J., Christophe Pécheyran   +20 more
core   +1 more source

Bubble Identification in On-Line Determination of High Concentration Heavy Water via IR

He huaxue yu fangshe huaxue
High concentration heavy water is used as moderator and coolant in a reactor, and its concentration closely related to the safety and performance of the reactor.
Yan LIU, Chao WU, Ying REN, Bin-yong ZHANG, Yu-fei WANG   +4 more
doaj   +1 more source

Imputation of missing milk Fourier transform mid-infrared spectra using existing milk spectral databases: A strategy to improve the reliability of breeding values and predictive models

Journal of Dairy Science, 2023
: The use of milk Fourier transform mid-infrared (FT-MIR) spectrometry to develop management and breeding tools for dairy farmers and industry is growing and supported by the availability of numerous new predicted phenotypes to assess the nutritional ...
H. Soyeurt, X.-L. Wu, C. Grelet, M.L. van Pelt, N. Gengler, F. Dehareng, C. Bertozzi, J. Burchard   +7 more
doaj   +1 more source

Studying optical characteristics of aviation fuels samples stored under various conditions

Semiconductor Physics, Quantum Electronics & Optoelectronics, 2020
In this work the SPR method has been investigated. And it has been shown that this SPR method is the simple and reliable approach to study the quality of aviation kerosenes. The device “Plasmon-71” developed at the V.
O.V. Andrieiev, V.B. Lupkin, M.N. Zhurybeda, V.P. Maslov, V.J. Larin, V.O. Morozhenko, G.V. Dorozinsk, N.V. Kachur, H.V. Dorozinska, A.V. Turovska   +9 more
doaj   +1 more source

Is it possible to predict milk processing into butter using infrared spectroscopy?

Biotechnologie, Agronomie, Société et Environnement, 2021
Description of the subject. Given the current low price of milk, a lot of producers have decided to process their milk into products with a higher added-value, including butter. However, all milks are not suitable to be transformed into butter.
Émilie Lefébure, Thibault Troch, Younés Noutfia, Frédéric Colinet, Amaury Gérard, Frédéric Dehareng, Vincent Baeten, Nicolas Gengler, Marianne Sindic   +8 more
doaj   +1 more source

Basics of mass spectrometry [PDF]

, 2012
Podeu consultar el llibre complet a: http://hdl.handle.net/2445/32166This article summarizes the basic principles of mass spectrometry instrumentation with special emphasis in sample introduction methods, ionization techniques and mass analyzers used in ...
Teixidor Casamitjana, Pilar, Berdié Rabanaque, Lourdes, Casals i Ribes, Isidre, Perona Moreno, Joaquim, Fernández Vidal, Irene, Marimon Corbella, Rosa Maria, Jáuregui Pallarés, Olga   +6 more
core   +3 more sources

Determination of Petroleum Oil in Soil by Fluorescence Spectrophotometry with Oscillatory Extraction

Yankuang ceshi, 2023
BACKGROUNDAs an important index of soil environmental quality, the determination of petroleum oil has become one of the must-test items in environmental monitoring.
Yuan LI, Xiaoyan DUAN, Yuge SHI, Gang LI
doaj   +1 more source