Results 1 to 10 of about 38,586 (120)
Kinetic study on liquid propylene polymerization using a modified heat flow reaction calorimeter [PDF]
Polyolefins 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
Design of Industrial Water-Based Polymerization Agitated Vessel by CFD Simulation [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2022 Agitated vessels are frequently used equipment in industries, especially in polymer processes. In the present work, the CFD simulation technique was used to study the effect of impeller shapes in the industrial scale water-based polymers agitated vessels
Amir Heidari, Samrand Karim Nejadian
doaj +1 more source
Modeling of Sorkheh Reverse Osmosis (RO) Water Treatment Plant by Artificial Neural Network (ANN) with Genetic Algorithm (GA) [PDF]
Chemical Process Design, 2022 The Reverse Osmosis (RO) process is one of the most widely used technologies in the water treatment industry to reduce water hardness. In this paper, the reverse osmosis treatment plant of Sorkheh city (Semnan province, Iran) was modeled by Artificial ...
Hamidreza Ardeshiri Lordejani +2 more
doaj +1 more source
Scientific 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
Molecules, 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
Information, 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
Scientific 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
Optimization of the operating parameters and their effects on the degradation of Naphthol Blue Black by the Fenton process [PDF]
Journal 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
Effect of Exfoliated Graphene Nanoplatelets on Rheological, Morphological, Mechanical and Thermal Properties of Immiscible Polypropylene/Polystyrene (PP/PS) Blends [PDF]
علوم 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
Exploring the Macroscopic Properties of Humic Substances Using Modeling and Molecular Simulations
Agronomy, 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