Results 21 to 30 of about 2,741,061 (294)

Extraction of virgin olive oil by two-phase continuous system. Influence of different variables of the process on certain parameters related to oil quality

open access: yesGrasas y Aceites, 1995
The introduction of new technology for industrial extraction of olive oil requires a knowledge of how this could affect certain oil parameters in regulation of the extraction process.
A. Jiménez Márquez   +2 more
doaj   +1 more source

A Low-Cost Multi-Parameter Water Quality Monitoring System

open access: yesSensors, 2021
Multi-parameter water quality monitoring is crucial in resource-limited areas to provide persistent water safety. Conventional water monitoring techniques are time-consuming, require skilled personnel, are not user-friendly and are incompatible with ...
Arif Ul Alam   +2 more
doaj   +1 more source

Laboratory Investigating Role of Titanium Dioxide and Graphene Oxide Nanoparticles on Improving Flexibility and Removing Pollution in Porous Asphalt [PDF]

open access: yesمحیط زیست و مهندسی آب
Today, with the growth of the population and the increase in water, and air pollution, the issue of water purification and the use of nanomaterials has been the focus of many researchers.
Ramtin Sobhkhiz Foumani   +2 more
doaj   +1 more source

ASSESSMENT OF INLAND WATER QUALITY PARAMETERS OF DHAKA CITY, BANGLADESH [PDF]

open access: yesEnvironment & Ecosystem Science, 2019
Physicochemical parameters are the important indicators for determining the quality of water. This study was conducted to examine the water quality of two important water bodies located in Dhaka city namely Ramna Lake and Shahidullah Hall Pond of Dhaka
Mohammad   +4 more
doaj   +1 more source

Quality Parameters of PE–Pomace Based Membranes

open access: yesMembranes, 2022
This paper presents the results of research on selected mechanical and physical properties of polyethylene membranes containing 50% of the plant fraction obtained as waste from an edible oil press. The produced biomembranes were characterized by low tensile strength (2.02–4.28 MPa).
Izabela Betlej   +10 more
openaire   +3 more sources

Bounds and extremal domains for Robin eigenvalues with negative boundary parameter [PDF]

open access: yes, 2016
We present some new bounds for the first Robin eigenvalue with a negative boundary parameter. These include the constant volume problem, where the bounds are based on the shrinking coordinate method, and a proof that in the fixed perimeter case the disk ...
Antunes, Pedro R. S.   +2 more
core   +2 more sources

Exploring Emotions as a New Quality Parameter in Wine

open access: yesWine Business Journal, 2022
Emotions are a fundamental step in sensory evaluation and relate to how consumers make purchase decisions or express preference for specific wine styles. Despite their relevance, it is unclear if emotions can be used as a strategy to evaluate quality and
Miguel A. Pedroza, Robert Herrell
doaj   +1 more source

Components of Pittsburgh Sleep Quality Index in Iranian adult population: an item response theory model

open access: yesSleep Medicine: X, 2021
Objective/background: There have been conducted few studies in Iran on the quality of sleep in the general population. This study aimed to use the item response theory (IRT) model to examine the accuracy of the seven components of the Pittsburgh Sleep ...
Ahmad Khosravi   +3 more
doaj   +1 more source

Parameter Selection for the Evaluation of Compost Quality

open access: yesAgronomy, 2020
This work studies variables measured from the first phase of composting through the acquisition of the final product, with the goal of identifying those that are more strongly related to quality and are most useful for developing an index.
Haydee Peña   +3 more
doaj   +1 more source

A Novel Multi-Objective Process Parameter Interval Optimization Method for Steel Production

open access: yesMetals, 2021
Customized small batch orders and sustainable development requirements pose challenges for product quality control and manufacturing process optimization for steel production.
Yifan Yan, Zhimin Lv
doaj   +1 more source

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