Results 1 to 10 of about 3,631,571 (327)

Kinetic study on liquid propylene polymerization using a modified heat flow reaction calorimeter [PDF]

open access: yesPolyolefins Journal, 2021
Bulk phase polymerization of propylene with a 4th generation of Ziegler-Natta catalyst was kinetically investigated by means of heat flow calorimetry. The assumptions and modifications on isothermal calorimetric method were demonstrated.
Mehrsa Emami   +2 more
doaj   +1 more source

Assessment of natural groundwater reserve of a morphodynamic system using an information-based model in a part of Ganga basin, Northern India

open access: yesScientific Reports, 2022
Assessment of morphodynamic groundwater reserves is important for the sustainable management of water resources. It is a truth that groundwater resource evaluation is anxious with the ambiguity of its several factors and employing methods.
N. C. Mondal, V. Ajaykumar
doaj   +1 more source

Influence of Substitutional Defects in ZIF-8 Membranes on Reverse Osmosis Desalination: A Molecular Dynamics Study

open access: yesMolecules, 2021
In this study, molecular dynamics simulation is used to investigate the effects of water-based substitutional defects in zeolitic imidazolate frameworks (ZIF)-8 membranes on their reverse osmosis (RO) desalination performance. ZIF-8 unit cells containing
Terence Zhi Xiang Hong   +4 more
doaj   +1 more source

Optimization of the operating parameters and their effects on the degradation of Naphthol Blue Black by the Fenton process [PDF]

open access: yesJournal of Applied Research in Water and Wastewater, 2021
The objective of this work was to model and optimize the degradation of black azodye Naphthol Blue Black (NBB) by the Fenton process (advanced oxidation)using a minimum of experiments.
Salah Meddah   +3 more
doaj   +1 more source

Construction of a Compact and High-Precision Classifier in the Inductive Learning Method for Prediction and Diagnostic Problems

open access: yesInformation, 2022
The study is dictated by the need to make reasonable decisions in the classification of observations, for example, in the problems of medical prediction and diagnostics.
Roman Kuzmich   +5 more
doaj   +1 more source

Anthropogenic nitrate in groundwater and its health risks in the view of background concentration in a semi arid area of Rajasthan, India

open access: yesScientific Reports, 2021
An increased nitrate (NO3 −) concentration in groundwater has been a rising issue on a global scale in recent years. Different consumption mechanisms clearly illustrate the adverse effects on human health.
Abdur Rahman, N. C. Mondal, K. K. Tiwari
doaj   +1 more source

Exploring the Macroscopic Properties of Humic Substances Using Modeling and Molecular Simulations

open access: yesAgronomy, 2023
Soil organic matter (SOM) is composed of a complex and heterogeneous mixture of organic compounds, which poses a challenge in understanding it on an atomistic level.
Yerko Escalona   +3 more
doaj   +1 more source

Effect of Exfoliated Graphene Nanoplatelets on Rheological, Morphological, Mechanical and Thermal Properties of Immiscible Polypropylene/Polystyrene (PP/PS) Blends [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2016
Polyolefin/polystyrene blends, prepared by mechanical mixing, were immiscible blends having two-phase structure with weak interface. An improvement in compatibility of PP and PS led to their enhanced blend properties and applications.
Fatemeh Abbasi   +2 more
doaj   +1 more source

A visual analysis of the process of process modeling [PDF]

open access: yesInformation Systems and e-Business Management, 2014
The construction of business process models has become an important requisite in the analysis and optimization of processes. The success of the analysis and optimization efforts heavily depends on the quality of the models. Therefore, a research domain emerged that studies the process of process modeling.
J. CLAES   +5 more
openaire   +7 more sources

Effect of Statistical Dopant Fluctuations on Threshold Voltage of Emerging Devices

open access: yesIEEE Journal of the Electron Devices Society, 2021
This paper presents a comparative study on the effect of statistical dopant fluctuations on threshold voltage ( $V_{th}$ ) of emerging and conventional metal-oxide-semiconductor (MOS) field-effect (FET) transistors (MOSFETs). In this context, three ${n}$
Samar K. Saha
doaj   +1 more source

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