Results 11 to 20 of about 35,391,899 (226)

An Analytic Method for $S$-Expansion involving Resonance and Reduction [PDF]

open access: yes, 2016
In this paper we describe an analytic method able to give the multiplication table(s) of the set(s) involved in an $S$-expansion process (with either resonance or $0_S$-resonant-reduction) for reaching a target Lie (super)algebra from a starting one ...
Ipinza, M. C.   +3 more
core   +4 more sources

Identifying regions in prefrontal cortex related to working memory improvement: A novel meta-analytic method using electric field modeling. [PDF]

open access: yesNeurosci Biobehav Rev, 2021
Altering cortical activity using transcranial direct current stimulation (tDCS) has been shown to improve working memory (WM) performance. Due to large inter-experimental variability in the tDCS montage configuration and strength of induced electric ...
Wischnewski M, Mantell KE, Opitz A.
europepmc   +2 more sources

A simple analytic method for estimating T2 in the knee from DESS. [PDF]

open access: yesMagn Reson Imaging, 2017
Sveinsson B   +3 more
europepmc   +2 more sources

Loss Analytic Calculation and Error Analysis for HVDC Converter

open access: yesZhongguo dianli, 2022
The loss of modular multilevel converter (MMC) HVDC converter valve is not only an important performance and economic evaluation index of the system, but also the direct basis for the selection of converter valve power devices, junction temperature ...
Biaojun LI   +3 more
doaj   +1 more source

Research Progress on Vanillin in Alcoholic Beverages

open access: yesShipin gongye ke-ji, 2022
Vanillin is a very important aroma compound in alcoholic beverages. It has been widely concerned because of its pleasant sweet aroma, vanilla aroma and physiological function.
Xinliang MO   +4 more
doaj   +1 more source

Optimizing tight oil extraction from low permeability tight reservoirs: a study on stress sensitivity effects and applications in carbon capture, utilization, and storage

open access: yesFrontiers in Energy Research, 2023
This paper takes into consideration the impact of stress sensitivity on bioenergy production from low permeability tight reservoirs, focusing on the post-fracturing phase.
Xin Jiang, Gaoming Yu
doaj   +1 more source

Describing the scattering of keV protons through graphene

open access: yesFrontiers in Chemistry, 2023
Implementing two-dimensional materials in technological solutions requires fast, economic, and non-destructive tools to ensure efficient characterization.
Jakob Bühler   +2 more
doaj   +1 more source

Green analytical methods [PDF]

open access: yesAnalytical and Bioanalytical Chemistry, 2012
In 1995 an analytical journal published the first small issue on green analytical chemistry entitled “Environmentally conscientious analytical chemistry”, which was devoted to environmental deleterious side effects of analytical methods, thus indicating that, in spite of the great advances in automation, miniaturization, and alternative sample ...
Miguel, de la Guardia, Sergio, Armenta
openaire   +2 more sources

A Simplified Mechanical Model and Analysis for the Settlement Deformation of Buried Pipelines Caused by Open-Cut Excavation

open access: yesApplied Sciences, 2023
This study aims to reveal the deformation characteristics of buried pipelines and the effects of various parameters on settlement displacement using the analytical analysis method.
Yulin Lu   +3 more
doaj   +1 more source

Research Review on Quality Detection of Fresh Tea Leaves Based on Spectral Technology

open access: yesFoods, 2023
As the raw material for tea making, the quality of tea leaves directly affects the quality of finished tea. The quality of fresh tea leaves is mainly assessed by manual judgment or physical and chemical testing of the content of internal components ...
Ting Tang   +5 more
doaj   +1 more source

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