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По вашему запросу найдено документов: 79149

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DEVELOPMENT OF A REFERENCE SAMPLE FOR RAPID ANALYSIS OF AN ELEMENTAL COMPOSITION OF MEDICINAL PLANT RAW MATERIALS

Gaidashev I.A., Syroeshkin A.V.

-ray fluorescence analysis. Methods: Samples: fresh shoots of Kalanchoe daigremontiana, ready reference sample

Qualitative evaluation of atmospheric air pollution in the city of Gomel based on the results of the analysis of snow samples

Budyanu, Ivan, Kozlovskaya, Inna

The article contains information about the influence of the place and time of snow sampling

Systematic approach to quality management of downhole sampling: Analysis of current trends in Russia

Lobanov A., Fedorovskiy S., Promzelev I., Tikhomirov E., Mosharev P., Struchkov I.

The overview and analysis of technical, regulatory and procedural, administrative and business

STUDY OF WATER QUALITY OF SOME SPRINGS IN CHUVASHIA

sample

ANALYSIS OF THE DYNAMICS OF MACROECONOMIC INDICATORS BASED ON SMALL SAMPLES USING BAYESIAN NON-ASYMPTOTIC STATISTICAL METHODS

Boulytchev Alexander, Yakovleva Nina

ANALYSIS OF THE DYNAMICS OF MACROECONOMIC INDICATORS BASED ON SMALL SAMPLES USING BAYESIAN NON

Methodological aspects of using DART mass spectrometry for fast analysis of pharmaceuticals and other complex samples

Kalabin G.A., Revelsky I.A., Chernetsova E.S.

Methodological aspects of using DART mass spectrometry for fast analysis of pharmaceuticals

Minimax Modifications of Linear Discriminant Analysis for Classification with Rare Classes

Bratanova K., Kareev I., Salimov R.

© 2020 IEEE. We consider the problem of classification for imbalanced samples with rare classes. A

Equipment and newly developed methodological approaches for isotopic–geochemical studying fluid phases in rocks and minerals

Buikin A., Nevinnyi Y., Kamaleeva A., Sevast’yanov V., Kuznetsova O.

, consisting of two apparatuses, designed to prepare rock and mineral samples for the isotopic analysis

Determination of drugs and drug-like compounds in different samples with direct analysis in real time mass spectrometry

Chernetsova E.S., Morlock G.E.

Direct analysis in real time (DART), a relatively new ionization source for mass spectrometry

A gas-chromatographie study of hydrocarbon formation in natural samples containing sulfate-reducing bacteria

A procedure is described for the gas-chromatographic analysis of hydrocarbons formed in bottom

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