Results 21 to 30 of about 3,212,610 (337)

Effect of gold nano-particles on switch-on voltage and relaxation frequency of nematic liquid crystal cell

open access: yesAIP Advances, 2011
We report the observation of large changes in the electro-optical properties of nematic liquid crystal (NLC) due to inclusion of small concentration of 10 nm diameter gold nanoparticles (GNPs).
M. Inam   +3 more
doaj   +1 more source

Enzymeless Flow Injection Analysis of 2,4,6-Trichlorophenol Based on Preoxidation by Ammonium Cerium (IV) Nitrate

open access: yesInternational Journal of Electrochemical Science, 2012
Enzymeless flow injection analysis of 2,4,6-trichlorophenol (2,4,6-TCP) based on preoxidation by ammonium cerium (IV) nitrate will be presented in this work. A preoxidation scheme is applied for 2,4,6-TCP determination without any enzyme treatment.
Jun-Sheng Wang   +3 more
doaj   +1 more source

Development of a Coding Instrument to Assess the Quality and Content of Anti-Tobacco Video Games [PDF]

open access: yes, 2015
Previous research has shown the use of electronic video games as an effective method for increasing content knowledge about the risks of drugs and alcohol use for adolescents.
Alber, Julia M.   +4 more
core   +1 more source

Multiple intelligences instrument development: Identification system of multiple intelligences tutor

open access: yesREID (Research and Evaluation in Education), 2020
Research instruments are an important factor in a study in which the truth of researched results lies that determines the conclusion. Instruments are used to collect data and measure a research variable's object.
Mery Berlian   +3 more
doaj   +1 more source

Instrument development for organisational health [PDF]

open access: yes, 2015
This study establishes the factors influencing Organisational Health (OH), leading to the development of an empirical measurement instrument.Despite the fact that a few firms have understood the significance of measuring health, they mostly do not know ...
Kumar M., Dileep   +2 more
core   +2 more sources

Development and psychometric properties of the Person-centered Palliative Care Nursing Instrument (PPCNI) in the Philippines

open access: yesBelitung Nursing Journal, 2023
Background: Over the years, a few tools and instruments have been developed to assist in the assessment within a palliative care setting. However, many of these tools and instruments do not reflect a person-centered palliative care model.
Gil P. Soriano   +6 more
doaj   +1 more source

Payment instruments, finance and development

open access: yesJournal of Development Economics, 2018
This paper studies the effects of a payment technology innovation (mobile money) on entrepreneurship and economic development in a quantitative dynamic general equilibrium model. In the model mobile money dominates fiat money as a medium of exchange, since it avoids the risk of theft, but comes with electronic transaction costs.
Beck, Thorsten   +3 more
openaire   +5 more sources

Continuous Octane Monitoring

open access: yesMeasurement + Control, 1970
Reliable, accurate, continuous monitoring of octane number has been a long-standing need of the petroleum industry. For this reason, UOP developed the Monirex Octane Monitor, an instrument that contains a relatively simple reactor rather than a complex ...
J. H. McLaughlin, W. A. Bajek
doaj   +1 more source

The revised version of the retracted article: The development and preliminary validation of a social-emotional skills assessment instrument for Estonian lower secondary school students [PDF]

open access: yesPsihološka Istraživanja
Given the necessity of existence of comprehensive and psychometrically sound instruments that measure students' social-emotional skills (SE skills) in the school context and on a facet level, this study aims to develop and evaluate an SE skills ...
Einpaul Piret   +2 more
doaj   +1 more source

Informal carer's knowledge of traumatic brain injury questionnaire: Initial development and validation

open access: yesNursing Open, 2021
Aim To develop and psychometrically test the instrument for measuring the knowledge of traumatic brain injury of informal carers. Design Instrument development.
Amena Awadh Bamatraf   +5 more
doaj   +1 more source

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