Results 11 to 20 of about 21,728 (231)

Brief History, Preparation Method, and Biological Application of Mesoporous Silica Molecular Sieves: A Narrative Review

open access: yesMolecules, 2023
It has been more than 30 years since the first ordered mesoporous silica molecular sieve (MCM-41) was reported, but the enthusiasm for exploiting mesoporous silica is still growing due to its superior properties, such as its controllable morphology ...
Qiuping Li, You Zhou
doaj   +3 more sources

Effect of Zr Modification on NH3-SCR Reaction Performance of Cu-Ce/SAPO-34 Catalysts

open access: yesApplied Sciences, 2023
Molecular sieve catalysts containing transition metals have been attracting attention for their potential applications in various fields, including environmental and industrial catalysis.
Chongfei Liu   +6 more
doaj   +1 more source

Study Using Machine Learning Approach for Novel Prediction Model of Liquid Limit

open access: yesBuildings, 2022
The liquid limit (LL) is considered the most fundamental parameter in soil mechanics for the design and analysis of geotechnical systems. According to the literature, the LL is governed by different particle sizes such as sand content (S), clay content ...
Muhammad Naqeeb Nawaz   +7 more
doaj   +1 more source

Recent Developments in Direct C–H Functionalization of Quinoxalin-2(1H)-Ones via Heterogeneous Catalysis Reactions

open access: yesMolecules, 2023
In recent years, Web of Science has published nearly one hundred reports per year on quinoxalin-2(1H)-ones, which have attracted great interest due to their wide applications in pharmaceutical and materials fields, especially in recyclable heterogeneous ...
Qiming Yang   +3 more
doaj   +1 more source

Kinetic characterization, antioxidant and in vitro toxicity potential evaluation of the extract M116 from Bacillus amyloliquefaciens, a Cuban southern coastmarine microorganism [PDF]

open access: yesJournal of Pharmacy & Pharmacognosy Research, 2023
Context: Marine ecosystems are sources of bioactive compounds. Thirty-eight microorganism strains from the Cuban platform were screened, which allowed us to identify an extract from Bacillus amyloliquefaciens, strain CBM-116, as a source for obtaining ...
Ilianet Céspedes   +14 more
doaj   +1 more source

In-Situ Transformation of Li-ABW Zeolites Based on Li-Geopolymer

open access: yesGels, 2023
Lithium batteries, as energy storage devices, are playing an increasingly important role in human society. As a result of the low safety of the liquid electrolyte in batteries, more attention has been paid to solid electrolytes.
Huaiyuan Dou   +3 more
doaj   +1 more source

Investigating the Efficiency of Visible-Near Infra-Red (NIR) Spectrometry to Estimate Selected Soil Properties in Semirom Area, Isfahan [PDF]

open access: yesمجله آب و خاک, 2022
Introduction Estimating soil properties on large scales using experimental methods requires specialized equipments and can be extremely time-consuming and expensive, especially when dealing with a high spatial sampling density.
F. Rahmati   +3 more
doaj   +1 more source

Modified DEMATEL Method Based on Objective Data Grey Relational Analysis for Time Series

open access: yesSystems, 2023
Smart data selection can quickly sieve valuable information from initial data. Doing so improves the efficiency of analyzing situations to aid in better decision-making.
Qun Wang   +4 more
doaj   +1 more source

Comparing Soil Taxonomy and WRB Efficiency for the Classification of Gypsiferous-Calcareous Soils in the West of Kohgiluye-Boyerahmad Province [PDF]

open access: yesمجله آب و خاک, 2023
Introduction  Soil classification is the systematic categorization of soils based on distinguishing soil characteristics, aiding in the comprehension of soil properties through soil surveys, and establishing suitable strategies for effective soil ...
H.R. Owliaie
doaj   +1 more source

A Modern Approach for Classification of Soil Aggregates based on Stereo Vision [PDF]

open access: yesJournal of Agricultural Machinery, 2020
IntroductionStereo vision is an approach to 3D information from multiple 2D views of a scene. The 3D information can be extracted from a pair image, as known stereo pair by estimating the relative depth of points in the scene.Soil aggregate size ...
A Azizi   +3 more
doaj   +1 more source

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