Zobrazeno 1 - 10
of 336
pro vyhledávání: '"visible absorption spectroscopy"'
Autor:
Archchi Sarkar, Uttam Kumar Bhui, Krittibas Das, Sudip Bhattacharyya, Jitendra Kumar, Darshan Halari
Publikováno v:
International Journal of Coal Science & Technology, Vol 11, Iss 1, Pp 1-14 (2024)
Abstract Solvent-extracted fractions of six Indian coal samples of different ranks were investigated using multiple geochemical, petrological and spectroscopic proxies and an attempt was made to indicate possible fingerprint regions for different pol
Externí odkaz:
https://doaj.org/article/afffa0ec0b0e4436817234ec3c122586
Autor:
Jin Hee Bae, Seong-Cheol Huh, Joo Young Park, Seungil Park, Sangheum Eom, Seungmin Ryu, Hyungyu Lee, Sanghoo Park
Publikováno v:
Chemical Engineering Journal Advances, Vol 20, Iss , Pp 100647- (2024)
Nitric oxide (NO) is an invaluable multifunctional chemical in agri-food applications; for example, it plays a role in plant growth, development, and stress tolerance. One of the interesting implications of NO is the suppression of fruit ripening and
Externí odkaz:
https://doaj.org/article/f373f79935574d019470b000b5514657
Akademický článek
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Akademický článek
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Akademický článek
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Autor:
Carlo Ciarrocchi, Guido Colucci, Massimo Boiocchi, Donatella Sacchi, Maduka L. Weththimuni, Alessio Orbelli Biroli, Maurizio Licchelli
Publikováno v:
Chemistry, Vol 4, Iss 3, Pp 717-734 (2022)
Electron donor–acceptor (EDA) complexes are characterized by charge-transfer (CT) processes between electron-rich and electron-poor counterparts, typically resulting in a new absorption band at a higher wavelength. In this paper, we report a series
Externí odkaz:
https://doaj.org/article/f35bc93b22114a19a2d99d882348d429
Publikováno v:
Yankuang ceshi, Vol 39, Iss 1, Pp 85-91 (2020)
BACKGROUND Spectroscopic characteristics for brown colored Type Ⅱa diamonds treated by high pressure high temperature (HPHT) processes have been investigated extensively. However, almost no reports are available on the variation of the spectroscopi
Externí odkaz:
https://doaj.org/article/c568baac63ea4d959a01e0b8dd75a790
Publikováno v:
Yankuang ceshi, Vol 38, Iss 5, Pp 489-496 (2019)
BACKGROUND Akoya pearl is a biomineralized organic gemstone. The mineral composition and microtextural analysis, and the identification method of color formation of this type of pearl are still lacking. OBJECTIVES To identify natural gray pearls from
Externí odkaz:
https://doaj.org/article/18d1015108fd4a878a5d6745f5c1bc6c
Publikováno v:
Hungarian Journal of Industry and Chemistry, Vol 46, Iss 2, Pp 43-46 (2018)
Itaconic acid is an organic acid produced mainly for non-food purposes. It can be manufactured by biotechnological synthesis using various strains which results in the salt form of the acid. In this work, the separation of sodium itaconate by electro
Externí odkaz:
https://doaj.org/article/01254d148f89450fb1c4935eb99ebfb0
Publikováno v:
Yankuang ceshi, Vol 37, Iss 3, Pp 306-312 (2018)
BACKGROUND The needle-like inclusions in rose quartz are considered to be rutile or dumortierite, and their orientation is related to the c-axis. However, there is no consensus on this statement. OBJECTIVES To find out the distribution characteristic
Externí odkaz:
https://doaj.org/article/c3ea1bfd5ad446bca190d8afc04bb51a