Insights into the effect of vanadium on chromium-vanadium Phillips catalysts for the ethylene polymerization [PDF]
Polyolefins Journal, 2020 The chromium/vanadium bimetallic Phillips catalysts developed by our research group have been proved to be a promising process to produce bimodal polyethylene using a single-reactor process.
Shijia Ling +5 more
doaj +1 more source
Chaos Control in Gear Transmission System using GPC and SMC Controllers [PDF]
Journal of Applied and Computational Mechanics, 2022 Chaos is a phenomenon that occurs in some non-linear systems. Therefore, the output of the system will be heavily dependent on the initial conditions. Since the main characteristic of the chaos is an abnormal behavior of the system output, it should be ...
Mohammad Hossein Gharagozloo +1 more
doaj +1 more source
Journal of Petroleum Exploration and Production Technology, 2020 Developing a reliable classification model for drilling pipe stuck is crucial for decision-makers in the petroleum drilling rig. Artificial intelligence (AI) includes several machine learning (ML) algorithms that are used for efficient predictive ...
Haytham H. Elmousalami, Mahmoud Elaskary
doaj +1 more source
Light Shaping with Holography, GPC and Holo-GPC [PDF]
Optical Data Processing and Storage, 2017 AbstractLight shaping techniques based on phase-only modulation offer multiple advantages over amplitude modulation. This review examines and compares the merits of two phase modulation techniques; phase-only computer generated holography and Generalized Phase Contrast (GPC).
Banas, Andrew, Glückstad, Jesper
openaire +1 more source
Determination of 16 Polycyclic Aromatic Hydrocarbons in Vegetable Oil by GPC and GC-MS/MS
Liang you shipin ke-ji, 2022 A method for the determination of 16 polycyclic aromatic hydrocarbons in vegetable oil by gel permeation chromatography purification coupled with GC-MS/MS was developed.
PENG Xing-xing +6 more
doaj +1 more source
Dynamical mechanical analysis of photocrosslinked hyperbranched urethane acrylates [PDF]
Journal of the Serbian Chemical Society, 2004 A series of acrylate functionalized samples based on hyperbranched hydroxy-terminated polyesters with different molecular weights and different degrees of acrylation were synthesized.
Džunuzović Enis S. +4 more
doaj +1 more source
Journal of Pure and Applied Microbiology, 2023 Urinary tract infections (UTIs) are among the most common bacterial infections of the urinary tract, accounting for a high percentage of all infections.
Disha Rameshbhai Fefar +3 more
doaj +1 more source
Preparation and Characterization of a Novel Hyperbranched Polyester Polymers Using A2+B3 Monomers
Production Engineering Archives, 2023 Compared to linear analogs, hyperbranched polymers (HBPs) have gotten much attention in the last decade because of their intrinsic globular topologies and distinctive features like low viscosity, high solubility, and a high degree of functionality.
Al-Mutairi Nabeel Hasan +2 more
doaj +1 more source
Effect of Different Polar Solvents and Stabilizer and Co-Stabilizer Concentration on Dispersion Polymerization of Styrene [PDF]
علوم و تکنولوژی پلیمر, 2019 Hypothesis: Dispersion polymerization has proven to be a useful technique for preparing uniform polymer particles in the micrometer size range. The polymer synthesized with this method can be utilized in various applications.
Mohammad Reza Jozaghkar +4 more
doaj +1 more source
Characterization and Thermal Rearrangement Investigation of 1,4-Polybutadiene by Nuclear Magnetic Resonance Spectroscopy [PDF]
علوم و تکنولوژی پلیمر, 2009 Microstructural investigation of low molecular weight 1,4-polybutadiene (1,4-PBD) was studied by 1H and 13C nuclear magnetic resonance spectroscopy (NMR).
F. Ziaee
doaj +1 more source