Otros

 

Otros

Optimizing the performance of solar evacuated tube collector systems for seawater desalination
05/09/2024 - Solar thermal collectors, such as evacuated tube collectors (ETCs), are essential for harnessing renewable energy, yet their efficiency is often hindered by thermal losses and limited heat transfer....
Enhancing durable electrical conductivity in multi?walled carbon nanotubes?epoxy composites via laser repetition rate nanojoining for flexible electronics
22/08/2024 - Borosilicate residue as flame retardant for natural fiber composites.AbstractThis study evaluated the influence of adding borosilicate residue (BS) as a flame retardant in polypropylene (PP) and...
UiO?66?NH2 anchored sulfonated polyphenylene sulfide proton exchange membrane with high proton conductivity and low methanol permeability
16/08/2024 - The reuse of polyamide 66 is viable for the production of super?tough biopolyethylene, using reactive processing in a twin?screw extruder.AbstractPlastics reuse is essential for promoting a...
Application of Experimental Design for Optimization of Interfacial Adhesion between Rubber and Surface Modified Polyester Fabric-Factory Experience
12/08/2024 - Tires and conveyor belts are among the most prominent examples of cord-rubber composites in which, synthetic fibers are extensively used as reinforcing material. Although, it passes a long time...
Drying behavior and nutritional quality of bitter?gourd slices dried in a solar dryer with tray and skewer arrangement
16/07/2024 - In this investigation, we assessed the efficacy of an indirect?type solar drying system that utilized skewers and rack arrangements, comparing it to a conventional drying cabinet equipped with trays...
Facile way of preparing PMMA@TiO2@SiO2 (P@T@S) composite microspheres with high haze and light transmittance for diffusion film
24/05/2024 - Multivariable recycling process of a post?industrial polypropylene.AbstractThis study provides key insights into the extrusion of a post?industrial feedstock primarily composed of polypropylene (PP)...
The Properties of Tannery Waste Addition as a Filler Based on Two Types of Polymer Matrices: Poly(Butylene Adipate?Co?Terephthalate) (PBAT) and Poly(Butylene Succinate) (PBS)
26/05/2023 - Wet blue leather is a waste produced by the leather industry. It is a difficult waste product to dispose of, and if not disposed of properly, it will affect the environment and cause toxicity....
Preparation and Property Study of PA56/POE?g?MAH?GMA/PPO Ternary Alloy
05/12/2023 - Bio?based PA56 is as matrix resin, maleic anhydride (MAH), and glycidyl methacrylate (GMA) dual monomer grafted POE (POE?g?MAH/GMA) polyphenyl ether(PPO) are simultaneous as toughening agents. The...
Effect of heat treatment on the radial structure of coaxial polyacrylonitrile/mesophase pitch composite fiber
15/05/2024 - AbstractBasalt fiber reinforced polypropylene composites with two initial fiber lengths (3.2 and 6.4?mm) were fabricated using twin?screw extrusion compounding. In the case of composites with smaller...
Effect of screw speed in compounding of poly(butylene adipate?co?terephthalate)/thermoplastic starch blends and their processability by cast extrusion
25/04/2024 - Blends of bio?polyesters cover a wide percentage of the market share and possess properties comparable to the ones of conventional polymers. Poly(butylene adipate?co?terephthalate) (PBAT) is a...
Impact of Drying Method and Solvent Extraction on Ethiopian Verbascum sinaiticum (Qetetina) Leaves: Metabolite Profiling and Evaluation of Antioxidant Capacity
29/04/2024 - The aim of this study was to evaluate the effects of different drying methods on bioactive compounds and to analyze their composition in Verbascum sinaiticum (V. sinaiticum) leaf extracts using...
Dynamic Response of Steel–Timber Composite Beams with Varying Screw Spacing
26/04/2024 - Steel–timber composite beams are a relatively new type of composite structure. They have many important advantages, owing to which they may be considered a sustainable solution. Their...
Investigation of physical, thermal, mechanical and gas permeability properties of low?density polyethylene/ poly(4?methyl?1?pentene) blend films and their utilization for fresh?cut fruit and vegetable packaging applications
25/04/2024 - Relationship between packaging gas permeability and shelf life of fruish fruit and vegetables.In this study, low density polyethylene/poly(4?methyl?1?pentene) (LDPE/PMP) blend films were prepared by...
Aerospace, Vol. 11, Pages 330: Steering Mirror System with Closed-Loop Feedback for Free-Space Optical Communication Terminals
23/04/2024 - Precision beam pointing plays a critical role in free-space optical communications terminals in uplink, downlink and inter-satellite link scenarios. Among the various methods of beam steering, the...
Method Development for the Prediction of Melt Quality in the Extrusion Process
25/04/2024 - Simulation models are used to design extruders in the polymer processing industry. This eliminates the need for prototypes and reduces development time for extruders and, in particular, extrusion...
Measuring Device Detecting Impact Forces on Impact Rollers
23/04/2024 - This paper presents laboratory devices on which measurements were carried out to prove the validity of the assumption about the reduction in vibrations transmitted to the conveyor belt structure...
Preparation and characterization of hybrid PLA biocomposites reinforced by wood and silane treated basalt fibers or compatibilized by maleic anhydride?grafted polypropylene (MAPP)
22/04/2024 - Silane and maleic anhydride compatibilization improves physical and mechanical properties of wood/basalt fibres hybrid polylactic acid biocomposites.In this study, basalt and/or beech wood fibers...
Improved processability for ultra?high molecular weight polyethylene/polyolefin elastomer composites: Effect of ethylenevinyl acetate copolymer
20/04/2024 - Preparation of (A) Polyolefin elastomer/ethylene vinyl acetate (POE/EVA) films and (B) POE/EVA/ultra?high molecular weight polyethylene (UHMWPE) composites with twin screw extrusion and hot?press...
Computational Fluid Dynamics Analysis and Empirical Evaluation of Carboxymethylcellulose/Alginate 3D Bioprinting Inks for Screw-Based Microextrusion
18/04/2024 - Three-dimensional microextrusion bioprinting technology uses pneumatics, pistons, or screws to transfer and extrude bioinks containing biomaterials and cells to print biological tissues and organs....
The Role of Reduced Graphene Oxide in Enhancing the Mechanical and Thermal Properties of a Rubber Cover Joint
18/04/2024 - The development of high-performance rubber composites has always been a research hotspot in the field of conveyor belt manufacturing. In this work, a rubber cover joint composite made of reduced...
Experimental Study to Determine the Development of Axial Stiffness of Wood Screws with Increasing Load Cycles
15/04/2024 - 123 withdrawal tests were conducted to investigate the change in axial stiffness of fully threaded screws under axial loading and up to four loading cycles. The screws were initially loaded in two...