Results 41 to 50 of about 847,425 (305)

Feedback and year level effects on university students’ self-efficacy and emotions during self-assessment: positive impact of rubrics vs. instructor feedback

open access: yes, 2023
This study explored the effects of three factors (feedback occasion, type of feedback, and year level) on self-efficacy and emotions when university students self-assessed.
Fraile Ruiz, Juan   +18 more
core   +1 more source

A Split-Gate Positive Feedback Device With an Integrate-and-Fire Capability for a High-Density Low-Power Neuron Circuit

open access: yesFrontiers in Neuroscience, 2018
Hardware-based spiking neural networks (SNNs) to mimic biological neurons have been reported. However, conventional neuron circuits in SNNs have a large area and high power consumption.
Kyu-Bong Choi   +7 more
doaj   +1 more source

Stability Investigation of Bidirectional AC-DC Converter Considering Operating Conditions

open access: yesIEEE Access, 2020
This paper investigates the stability performances of bidirectional ac-dc converters considering operating conditions based on the small-signal impedance model.
Yang Li   +5 more
doaj   +1 more source

Residual tail twisting in ascidian larvae is stabilized by asymmetric myofibrils that resist bilateral symmetry restoration

open access: yesFEBS Letters, EarlyView.
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure   +3 more
wiley   +1 more source

Cross-Organization Workflow Research of Agile Telecom on Positive Feedback

open access: yesCybernetics and Information Technologies, 2013
In order to promote the core competitive power in telecom operating enterprises that face market fine operations, this article compares ECTA mode (Extension Case Transmission Mode) and LCA mode (Loosen Couple Mode).
Wang A. Qi, Wang B. Yanan, Lv C. Furong
doaj   +1 more source

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

Modeling SMS driven conversion of ceramide to sphingomyelin reveals the existence of a positive feedback mechanism [PDF]

open access: yes, 2012
In questa tesi presentiamo un modello matematico minimo per la conversione di un ceramide in sfingomielina catalizzata dall'enzima sfingomielina sintasi 1 (SMS1) basato sulle leggi della cinetica chimica.
Thomaseth, Caterina
core  

Temporal switching and cell‐to‐cell variability in Ca2+ release activity in mammalian cells

open access: yesMolecular Systems Biology, 2009
Genetically identical cells in a uniform external environment can exhibit different phenotypes, which are often masked by conventional measurements that average over cell populations.
Naotoshi Nakamura   +3 more
doaj   +1 more source

Psychological Counseling of Teachers Working Online and Offline

open access: yesКонсультативная психология и психотерапия, 2020
The paper discusses the technology of psychological assistance to teachers based on the principles of the reflective-activity approach (RAA). This assistance is aimed at supporting teachers in situations where they encounter difficulties in the classroom
Zaretsky Yu.V.
doaj   +1 more source

Phase Shaping Method for Negative Input Admittance of Buck Converter Based on Sliding Mode Disturbance Observer

open access: yesIEEE Access, 2021
The power electronic converter that supplies power to the unmanned ship's servers can cause self-excited oscillation of the LC input filter under heavy load.
Xuzhou Zhuang   +7 more
doaj   +1 more source

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