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Now showing items 2571-2580 of 2810
On designing an assorted control charting approach to monitor process dispersion: an application to hard-bake process
(
Taylor and Francis Ltd.
, 2020 , Article)
The monitoring of process variability is an important feature to get optimal output from a process. Control charts are vital tools used for efficient process monitoring. The commonly used types of charts include Shewhart, ...
Feeding Behavior of Coralliophila sp. on Corals Affected by Caribbean Ciliate Infection (CCI): A New Possible Vector?
(
MDPI
, 2022 , Article)
Coral reefs in the Caribbean are known to be affected by many coral diseases, yet the ecology and etiology of most diseases remain understudied. The Caribbean ciliate infection (CCI) caused by ciliates belonging to the ...
A simple one-dimensional map-based model of spiking neurons with wide ranges of firing rates and complexities
(
Elsevier
, 2022 , Article)
This paper introduces a simple 1-dimensional map-based model of spiking neurons. During the past decades, dynamical models of neurons have been used to investigate the biology of human nervous systems. The models simulate ...
Mechanochemical Transformation of CF3 Group: Synthesis of Amides and Schiff Bases
(
Wiley
, 2021 , Article)
We communicate two mild, solvent-free mechanochemical coupling transformations of CF3 group with nitro compounds into amides or Schiff bases employing Ytterbia as a catalyst. This process proceeds via C−F bond activation, ...
Testing a Model of the Threat of Street Sexual Harassment in Egypt: Implications for Social Work Education
(
Macrothink Institute
, 2021 , Article)
This study tested a model of Egyptian women’s well-being and perception of the threat of sexual harassment. The model was drawn from multiple theoretical frameworks, including the vulnerability perspective, objectification ...
New tetradentate Schiff base Cu(II) complexes: synthesis, physicochemical, chromotropism, fluorescence, thermal, and selective catalytic oxidation
(
Springer
, 2021 , Article)
Three neutral Cu(II)/ƞ4-NNNO Schiff base complexes (1-3) were prepared from the (E)-4-nitro-2-(((2-(piperazin-1-yl)ethyl)imino)methyl)phenol, tetradentate Schiff base (SB) ligand, and the corresponding copper(II) salts. ...
Adhesion characteristics of solution treated environmental dust
(
Nature Research
, 2020 , Article)
Environmental dust is modified towards self-cleaning applications under the gravitational influence. Dust particles are collected in the local area of Dammam in Saudi Arabia and they are treated with a dilute hydrofluoric ...
Evidencing the role of carbonic anhydrase in the formation of carbonate minerals by bacterial strains isolated from extreme environments in Qatar
(
Elsevier
, 2022 , Article)
Calcium carbonate, one of the most abundant minerals in the geological records is considered as primary source of the carbon reservoir. The role of microorganisms in the biotic precipitation of calcium carbonate has been ...
Socio-Economic Development, Globalization and the Need for Heritage Policy in Qatar: Case Study
(
Scientific Research Publishing Inc
, 2021 , Article)
Qatar, has a rich history and seen many changes in a small amount of time, investigating its heritage. Although a young state established in 1868 Qatar’s key sectors is trying to create their own policy strategies. Major ...
Study of bacterial interactions in reconstituted hydrocarbon-degrading bacterial consortia from a local collection, for the bioremediation of weathered oily-soils
(
Elsevier B.V.
, 2021 , Article)
To enhance the process of bacterial remediation of weathered hydrocarbons, the area of Dukhan, Qatar, was considered as a model for weathering processes. Self-purification by indigenous hydrocarbon-degrading bacteria showed ...