Results 11 to 20 of about 82,676 (261)

Realized density estimation using intraday prices

open access: yesCroatian Review of Economic, Business and Social Statistics, 2020
Availability of high-frequency data, in line with IT developments, enables the use of Availability of high-frequency data, in line with IT developments, enables the use of more information to estimate not only the variance (volatility), but also higher ...
Arnerić Josip
doaj   +1 more source

The Operational Efficiency of Public Higher Vocational Schools in the Lubelskie Voivodeship

open access: yesStudia Ekonomiczne i Regionalne, 2020
Subject and purpose of work: This paper aims to assess the operational efficiency of public higher vocational schools in the Lublin Region.
Pyra Mariusz
doaj   +1 more source

Hazard Function as a Tool to Diagnose Business Liquidation

open access: yesFolia Oeconomica Stetinensia, 2014
Research of firms cohorts, such as human cohorts, are carried out by means of the methods of survival analysis (duration). The paper presents the possibility of using expectancy tables and intensity function (hazard) of firms liquidation.
Markowicz Iwona
doaj   +1 more source

Labeling of Mitochondrial Proteins by C14-Tyrosinamide and C14-Tyrosyladenylate

open access: yesJournal of Biological Chemistry, 1959
Recent studies on the enzymic mechanisms of protein synthesis have emphasized the importance of the “activation” of the cu-carboxyl groups of amino acids, i.e. the conversion of the amino acids into reactive acylating agents. The work of numerous investigators (for a recent review, see Chantrenne (1)) has suggested that this activation process, which ...
C, ZIOUDROU, J S, FRUTON
openaire   +2 more sources

La necrópolis calcolítica de Los Millares: dataciones radiocarbónicas y valoración de la dieta y del medio ambiente a partir del análisis de isótopos estables

open access: yesTrabajos de Prehistoria, 2020
Se presentan en este estudio los resultados de los análi­sis isotópicos realizados sobre una muestra de restos huma­nos de la necrópolis calcolítica de Los Millares.
Fernando Molina   +9 more
doaj   +1 more source

Serum C14:1/C12:1 ratio is a useful marker for differentiating affected patients with very long-chain acyl-CoA dehydrogenase deficiency from heterozygous carriers

open access: yesMolecular Genetics and Metabolism Reports, 2019
Introduction: Various markers, such as C14:1 and the C14:1/C2 ratio, are used as diagnostic markers of very long-chain acyl-CoA dehydrogenase deficiency (VLCADD).
Kenji Yamada   +6 more
doaj   +1 more source

Incorporation of C14 of Acetate-1-C14 and Pyruvate-2-C14 into Brain Cholesterol in the Intact Rat

open access: yesExperimental Biology and Medicine, 1957
SummaryIncorporation of C14 into brain cholesterol following the intracisternal injection of acetate-1-C14 and pyruvate-2-C14 has been investigated. Incorporation was observed in both young and adult rats, but the amount of incorporation was much greater in the younger animals.
P J, McMILLAN   +2 more
openaire   +2 more sources

Estimation of Employee Turnover with Competing Risks Models

open access: yesFolia Oeconomica Stetinensia, 2015
Employee turnover accompanies every business organization, regardless of the industry and size. Nowadays, many companies struggle with problems related to the lack of sufficient information about the nature of employee turnover processes.
Grzenda Wioletta, Buczyński Michał K.
doaj   +1 more source

Dicumarol Labelled with C14.

open access: yesExperimental Biology and Medicine, 1950
SummaryDicumarol, containing C14 in the methylene bridge was synthesized and given intravenously to mice and rabbits. The activity disappeared rapidly from the blood and was recovered in the liver, bile, intestinal contents and later in the urine, but not from other tissues. About 10% of the activity became fixed in the liver.
C C, LEE   +3 more
openaire   +2 more sources

The Distribution of C14 in the Chick Following the Administration of Buquinolate-3-C14

open access: yesPoultry Science, 1967
Abstract THE commercial potential of buquinolate, * ethyl 4-hydroxy-6,7-diisobutoxy-3-quinolinecarboxylate, a broad spectrum coccidiostat (Engle et al., 1966) has been evaluated in diverse studies (Chang et al., 1966; Cox et al., 1966; Engle et al., 1966; Hebert et al., 1966; Spencer et al., 1966).
R J, Herrett   +3 more
openaire   +2 more sources

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