Results 1 to 10 of about 1,011,905 (146)

Research progress in nanotechnology for enhanced silicon-based and iron-based anodes for lithium-ion batteries [PDF]

open access: yesMATEC Web of Conferences, 2023
Recent research has focused on making suitable anode materials for lithium-ion batteries and using nanotechnology to refine composite electrode materials with high reversible capacity and strong stability. However, much work remains to be done to develop
Yao Yaqi
doaj   +1 more source

Monitoring of Soil Salinity in Land Destruction Using Remote Sensing Techniques (Ilam Province Case Study) [PDF]

open access: yesمخاطرات محیط طبیعی, 2021
Soil salinization is one of the dominant processes of land degradation in arid and semi-arid regions.  Soil salinity is one of the most important problems affecting many parts of the world.
Noorallah Nikpour   +4 more
doaj   +1 more source

Old French Si, Syntax and Function in Diachrony

open access: yesIsogloss, 2022
This article offers a diachronic analysis of the Old French particle si.  Using data from both verse and prose texts, I analyse the function and syntax of si from the 12th to 14th centuries.
Wyn Francis Shaw
doaj   +1 more source

Adicción a los estupefacientes y su incidencia en las relaciones interpersonales en estudiantes de bachillerato técnico de la U.E. Albertina Rivas Medina

open access: yesEducare, 2022
El consumo de sustancias estupefacientes por parte de los estudiantes tiene un gran impacto en su bienestar físico y mental. Es de conocimiento público que la adición en edades tempranas trae graves consecuencias en el desarrollo presente y futuro de ...
Juana Monserrate Bravo Macías   +1 more
doaj   +1 more source

Measuring Students Perception of Online Learning in the Context of Technology Acceptance Model in a Reputed Private University of West Bengal [PDF]

open access: yesNew Applied Studies in Management, Economics & Accounting, 2022
The goal of this research is to assess several aspects of students' perceptions of online learning and to determine how these determinants might help define students' behavioral intention to use online learning mode.
Parantap Chatterjee, Mahuya Adhikary
doaj   +2 more sources

Determining Vulnerability of the Rozeh Chay Aquifer in the Urmia Plain, Using the Combination Method of DRASTIC, SINSTAC and SI Indexes [PDF]

open access: yesپژوهش‌های آبخیزداری, 2020
The Rozeh Chay Plain is located on the western margin of the Urmia Lake. The shallow groundwater table, agricultural activities, and particularly the use of fertilizers and pesticides may lead to the groundwater contamination.
Ramin Mosazade   +2 more
doaj   +1 more source

Self-Powered Autonomous Wireless Sensor Node by Using Silicon-Based 3D Thermoelectric Energy Generator for Environmental Monitoring Application

open access: yesEnergies, 2020
In this paper, we present the results of a preliminary study on the self-powered autonomous wireless sensor node by using thermoelectric energy generator based on Silicon (Si) thermoelectric legs, energy management integrated circuit (EMIC), Radio ...
Jong-Pil Im   +9 more
doaj   +1 more source

Ecological observations on the genus Samia Hübner, 1819 (Lepidoptera, Saturniidae) of China, especially the natural hostplants [PDF]

open access: yesNota Lepidopterologica
A few members within the genus Samia, have been widely collected and domesticated due to their sericultural or entomophagous value. Based on field observations in recent years, this article summarizes and analyzes relevant ecological information ...
Yujie Wu   +2 more
doaj   +3 more sources

Cadmium Accumulation in Wheat of Different Varieties at Seedling Stage as Impacted by Addition of Exogenous Elements

open access: yesGuan'gai paishui xuebao, 2021
【Background】Cadmium (Cd) is one of contaminants found in agricultural soils caused by anthropogenic activities including wastewater irrigation and application of phosphate fertilizers rich in Cd impurities, sludges and composts.
LI Lele   +8 more
doaj   +1 more source

First principles analysis on the stability of C, Sn atoms near the surface of Ge thin film

open access: yesNihon Kikai Gakkai ronbunshu, 2018
To apply the germanium (Ge) thin film for various electronic devices, energy band structure should be controlled by carbon (C) and/or Tin (Sn) doping. It is important to understand the stable atomic configurations of C and Sn atoms near the (001) surface
Kai TADANO, Koji SUEOKA
doaj   +1 more source

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