Results 61 to 70 of about 24,245,874 (262)

A Comprehensive Review of the Major Studies and Theoretical Models of Student Retention in Higher Education.

open access: yes, 2016
Student retention rate has been a major concern for tertiary institutions around the world since the establishment of formal education. Generally speaking, not every student completes his or her study program.
O. Aljohani
semanticscholar   +1 more source

Avoidance learning: a review of theoretical models and recent developments

open access: yesFrontiers in Behavioral Neuroscience, 2015
Avoidance is a key characteristic of adaptive and maladaptive fear. Here, we review past and contemporary theories of avoidance learning. Based on the theories, experimental findings and clinical observations reviewed, we distill key principles of how ...
Angelos-Miltiadis Krypotos   +3 more
semanticscholar   +1 more source

Long non‐coding RNAs as therapeutic targets in head and neck squamous cell carcinoma and clinical application

open access: yesFEBS Open Bio, EarlyView.
Long non‐coding RNAs (lncRNAs) occupy an abundant fraction of the eukaryotic transcriptome and an emerging area in cancer research. Regulation by lncRNAs is based on their subcellular localization in HNSCC. This cartoon shows the various functions of lncRNAs in HNSCC discussed in this review.
Ellen T. Tran   +3 more
wiley   +1 more source

Theoretical models in the Virtual Observatory [PDF]

open access: yesarXiv, 2007
Although full interoperativity between theoretical and observational data in the framework of the Virtual Observatory would be a very desirable achievement, the current status of VO offers few approaches to handle theoretical models. TSAP (Theoretical Spectra Access Protocol) has been proposed as a tool to fill this void, providing a simple scheme to ...
arxiv  

Making sense of implementation theories, models and frameworks

open access: yesImplementation Science, 2015
BackgroundImplementation science has progressed towards increased use of theoretical approaches to provide better understanding and explanation of how and why implementation succeeds or fails.
P. Nilsen
semanticscholar   +1 more source

Matrigel inhibits elongation and drives endoderm differentiation in aggregates of mouse embryonic stem cells

open access: yesFEBS Open Bio, EarlyView.
Stem cell‐based embryo models (SCBEMs) are valuable to study early developmental milestones. Matrigel, a basement membrane matrix, is a critical substrate used in various SCBEM protocols, but its role in driving stem cell lineage commitment is not clearly defined.
Atoosa Amel   +3 more
wiley   +1 more source

Performance analysis of control allocation using data‐driven integral quadratic constraints

open access: yesAdvanced Control for Applications, Volume 4, Issue 4, December 2022., 2022
Abstract A new method is presented for evaluating the performance of a nonlinear control allocation system within a linear control loop. To that end, a worst‐case gain analysis problem is formulated that can be readily solved by means of well‐established methods from robustness analysis using integral quadratic constraints (IQCs).
Manuel Pusch   +2 more
wiley   +1 more source

O diagrama V como ferramenta de integração analítica de conhecimentos teórico-conceituais e metodológicos na saúde

open access: yesRevista Gaúcha de Enfermagem, 2018
Resumo OBJETIVO Produzir uma reflexão sobre a capacidade do diagrama V de integrar os conhecimentos teóricos-conceituais e metodológicos obtidos de sistemas, modelos e teorias complexas e não explicitamente identificáveis.
Marcos Antônio Gomes Brandão   +4 more
doaj   +1 more source

Influence of temperature on thermodynamics for binary mixtures of short aliphatic protic ionic liquids [PDF]

open access: yesJournal of the Serbian Chemical Society, 2017
Two binary mixtures of protic ionic liquids comprising formate, acetate and propionate anions and 2-hydroxyethyl ammonium, bis(2-hydroxyethyl) ammonium and tris(2-hydroxyethyl) ammonium cations have been studied in terms of volumetric and acoustic ...
Andrade Rebecca S.   +2 more
doaj   +1 more source

The axiom of choice and model-theoretic structures [PDF]

open access: yesarXiv, 2019
We discuss the connections between the failure of the axiom of choice in set theory, and certain model-theoretic structures with enough symmetry.
arxiv  

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