Results 11 to 20 of about 5,066,513 (318)

Comparison of fluoroscopy time in different catheter-engagement approaches to graft vessels in post-coronary artery-bypass graft angiography

open access: yesResearch Reports in Clinical Cardiology, 2018
Mostafa Ahmadi,1 Ramin Khameneh Bagheri,1 Faeze Keihanian,2,3 Amin Saeidinia4 1Atherosclerosis Prevention Research Center, Imam Reza Hospital, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; 2Pharmaceutical Research Division ...
Ahmadi M   +3 more
doaj   +1 more source

Predicting market movement direction for bitcoin: A comparison of time series modeling methods

open access: yes, 2021
Many traders participate in activities known as "day-trading", trading Bitcoin against the dollar bill as the United States Dollar (USD) on very short timeframes to squeeze out profits from small market fluctuations.
Kashef, R., Corrigan, L., Ibrahim, A.
core   +1 more source

STANDARD M10 SARS-CoV-2 Assay for Rapid Detection of SARS-CoV-2: Comparison of Four Real-Time PCR Assays

open access: yesDiagnostics, 2022
The demand for assays that can rapidly and accurately detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remains high. We evaluated the performance of two rapid real-time reverse transcription polymerase chain reaction (RT-qPCR) assays ...
Seri Jeong   +7 more
doaj   +1 more source

Monotone iterations method for fractional diffusion equations

open access: yesМатематичні Студії, 2022
In recent years, there has been a growing interest on non-local models because of their relevance in many practical applications. A widely studied class of non-local models involves fractional order operators.
M. Krasnoshchok
doaj   +1 more source

Comparison of sleeping time, immobility time and arousal time in mice

open access: yesJournal of Pharmacy and Pharmacology, 1965
Abstract The sodium salts of the five barbiturate hypnotics hexoba rbitone, pentobarbitone amylobarbitone, secobarbitone and phenobarbitone, were studied in mice for their effect on duration of sleeping time, immobility time and arousal time.
F W, HUGHES, R B, FORNEY, A B, RICHARDS
openaire   +2 more sources

Analysis and comparison of the stability of discrete-time and continuous-time linear systems

open access: yesArchives of Control Sciences, 2016
The asymptotic stability of discrete-time and continuous-time linear systems described by the equations xi+1 = Ākxi and x(t) = Akx(t) for k being integers and rational numbers is addressed. Necessary and sufficient conditions for the asymptotic stability
Kaczorek Tadeusz
doaj   +1 more source

Contests—a comparison of timing and information structures [PDF]

open access: yesPublic Choice, 2011
We study a model of imperfectly discriminating contests with two ex ante symmetric agents. We consider four institutional settings: Contestants move either sequentially or simultaneously and in addition their types are either public or private information.
openaire   +2 more sources

NK-SORTING ALGORITHM

open access: yesJournal of Kufa for Mathematics and Computer, 2011
Sorting has been a profound area for the algorithmic researchers and many resources are invested to suggest more works for sorting algorithms. For this purpose, many existing sorting algorithms were observed in terms of the efficiency of the algorithmic ...
NIDHAL . K EL ABBADI   +1 more
doaj   +1 more source

Modeling Yield Risk under Technological Change: Dynamic Yield Distributions and the U.S. Crop Insurance Program

open access: yesJournal of Agricultural and Resource Economics, 2011
The objective of this study is to evaluate the risk associated with major agricultural commodity yields in the United States. We are particularly concerned with the nonstationary nature of the yield distribution, which arises primarily as a result of ...
Ying Zhu   +2 more
doaj   +1 more source

Oscillatory behavior of higher-order neutral type dynamic equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2013
The oscillation behavior of solutions for higher-order delay dynamic equations of neutral type is investigated by making use of comparison with second-order dynamic equations.
Said Grace, Raziye Mert, Agacik Zafer
doaj   +1 more source

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