Zobrazeno 1 - 10
of 40
pro vyhledávání: '"H. Ent"'
Autor:
I. de Krom, W. Bavius, R. Ziel, E. A. McGhee, R. J. C. Brown, I. Živković, J. Gačnik, V. Fajon, J. Kotnik, M. Horvat, H. Ent
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 2317-2326 (2021)
A primary mercury gas standard was developed at Van Swinden Laboratory (VSL) to establish an International System of Units (SI)-traceable reference point for mercury concentrations at emission and background levels in the atmosphere. The majority of
Externí odkaz:
https://doaj.org/article/861844c3d77d4ecdbe991c4f0e715a36
Publikováno v:
Poultry Science, Vol 103, Iss 11, Pp 104191- (2024)
ABSTRACT: Dietary phytate P (PP) concentration impacts Ca and P digestibility in broilers. Research was conducted to determine the impact of increasing concentration of dietary PP, with and without phytase, on broiler standardized ileal digestibility
Externí odkaz:
https://doaj.org/article/08d98baa21594d5b924317d2548c7d78
Autor:
Paul Robb, H. Ent, Maria Antónia Calhau, Isabel Castanheira, H. den Boer, Linda Owen, J. Schmit
Publikováno v:
Journal of Food Composition and Analysis. 20:725-732
Analytical results are a major source of data input into food composition databanks (FCDBs). However, the methodology used to obtain and assess analytical data may introduce imprecision and errors during the compilation process. EuroFIR will provide
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 107:160-162
The reaction of 1,3-dibromocyclobutane (5) and of 1,3-dibromocyclopentane (6) with magnesium in diethyl ether has been investigated. The corresponding 1,3-di-Grignard reagents 7 (
Publikováno v:
Poultry Science, Vol 100, Iss 2, Pp 900-909 (2021)
Work was carried out to determine the effects of limestone (LM) geometric mean diameter (GMD), phytate, Ca source, and phytase on standardized ileal digestibility (SID) of Ca and P in broilers. Twelve treatments (TRT) were tested. One basal corn and
Externí odkaz:
https://doaj.org/article/2e234cd8816e45378eef28b348d65305
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Akademický článek
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ChemInform Abstract: N-Acyliminium Cyclizations: Formation of the Furo(3,4-a)pyrrolizine Ring System
Publikováno v:
ChemInform. 21
The hydroxylactams 5a,b could be converted into the furo[3,4-a]pyrrolizine derivatives 10a,b via the 2-aza-Cope rearrangement cyclization reaction of N-acyliminium ions
Publikováno v:
HETEROCYCLES. 30:501
The hydroxylactams 5a,b could be converted into the furo[3,4-a]pyrrolizine derivatives 10a,b via the 2-aza-Cope rearrangement cyclization reaction of N-acyliminium ions
Publikováno v:
Tetrahedron Letters. 24:2109-2112
The 2-aza-Cope N-acyliminium ring closure is shown to proceed in a stereoselective fashion via the primary N-acyliminium intermediate 1B . The latter ion can also be generated from the open hydroxymethyllactam 6b .