Results 61 to 70 of about 100,579 (206)

Various Faces of Type IIA Supergravity

open access: yes, 2003
We derive a duality-symmetric action for type IIA D=10 supergravity by the Kaluza-Klein dimensional reduction of the duality-symmetric action for D=11 supergravity with the 3-form and 6-form gauge field.
Aganagic   +71 more
core   +1 more source

The Sloan Digital Sky Survey Reverberation Mapping Project: Ensemble Spectroscopic Variability of Quasar Broad Emission Lines [PDF]

open access: yes, 2015
We explore the variability of quasars in the MgII and Hbeta broad emission lines and UV/optical continuum emission using the Sloan Digital Sky Survey Reverberation Mapping project (SDSS-RM).
Bizyaev, Dmitry   +16 more
core   +2 more sources

Analysis and Characterization of Kisspeptin and Its Analogues in Serum and Urine Samples by Liquid Chromatography–High‐Resolution Mass Spectrometry for Doping Control Purposes

open access: yesDrug Testing and Analysis, EarlyView.
Sensitive LC‐HRMS methods were established for the detection of kisspeptin and its analogues in serum and urine, alongside their analytical and metabolic characterization. Stability studies were conducted in serum, plasma, and urine, highlighting the importance of appropriate sample handling for reliable anti‐doping analysis.
Sophia Krombholz   +3 more
wiley   +1 more source

Learning from Chinese Management

open access: yesStudia Universitatis Vasile Goldis Arad, Seria Stiinte Economice, 2021
China is one of the fastest-growing economies and has gained a leading position in terms of production or exports. China’s managerial and business practices are influenced by its traditional cultural values.
Isac Florin Lucian, Remeș Eugen Florin
doaj   +1 more source

Emerging Trends in Organic Photoreactions Utilizing Disulfides

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
Disulfides are versatile, nontoxic alternatives to metal photocatalysts. This review explores their role as photoactivated thiyl‐radical precursors and bifunctional catalysts (HAT/electron shuttling) in diverse transformations. Strategies for electronic tuning and development into recyclable heterogeneous materials are highlighted for sustainable ...
Sunil Kumar   +3 more
wiley   +1 more source

Measuring Customer Retention in the European Automotive Sector

open access: yesCentral European Management Journal, 2021
Purpose: The main purpose of the work is to present the results of the customer retention level in the automotive sector based on the proposed measurement indicators: “serviced and sold” (SESO) and “sold and serviced” (SOSE).
Sliż Piotr, Delińska Liwia
doaj   +1 more source

An Achievable Rate Region for Three-Pair Interference Channels with Noise

open access: yes, 2012
An achievable rate region for certain noisy three-user-pair interference channels is proposed. The channel class under consideration generalizes the three-pair deterministic interference channel (3-DIC) in the same way as the Telatar-Tse noisy two-pair ...
Bandemer, Bernd
core   +1 more source

Galactic fountains and the rotation of disc-galaxy coronae [PDF]

open access: yes, 2011
In galaxies like the Milky Way, cold (~ 10^4 K) gas ejected from the disc by stellar activity (the so-called galactic-fountain gas) is expected to interact with the virial-temperature (~ 10^6 K) gas of the corona.
Anderson   +43 more
core   +3 more sources

Validation and Application of an HPLC–UV Method for the Quantification of 3‐O‐Methylquercetin in Nasal Mucosa

open access: yesELECTROPHORESIS, EarlyView.
This study improved an HPLC–UV method for quantifying 3‐O‐methylquercetin in porcine nasal mucosa following ICH M10 and ANVISA (Brazil) guidelines, assessing selectivity, linearity, accuracy, precision, and robustness. The method was applied for the first time to evaluate release, permeation, and retention profiles of a nasal formulation.
Jeniffer Viviana Ramirez Hernández   +6 more
wiley   +1 more source

Evaluating the Effect of Managers’ Narcissism on Bankruptcy Risk Among Companies Listed on the Tehran Stock Exchange

open access: yesStudia Universitatis Vasile Goldis Arad, Seria Stiinte Economice, 2022
Bankruptcy or default is a situation, in which, a business company or enterprise gets unable to pay its debts and cannot meet its obligations. Different reasons can cause bankruptcy that mismanagement seems to be one of the most important reasons for ...
Faghekarimi Shahriar   +3 more
doaj   +1 more source

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