Inyección

Inyección

Flexible, compressible, versatile biomass-derived freestanding carbon monoliths as binder- and substrate-free tri-functional electrodes for solid-state zinc-air batteries and overall water splitting
- Highly flexible and compressible biomass-derived freestanding monoliths are directly utilized as binder- and substrate-free tri-functional electrodes for the wearable electronic devices. The...
Is the Treatment of the Tear Trough Deformity with Hyaluronic Acid Injections a Safe Procedure? A Systematic Review
03/12/2021 - Among the various therapeutic options for the treatment of tear trough deformities, the use of hyaluronic acid-based fillers has constantly been increasing. The aim of this research is to conduct a...
The Friction of Structurally Modified Isotactic Polypropylene
05/12/2021 - The purpose of studies was to analyse an impact of heterogeneous nucleation of modified isotactic polypropylene (iPP) on its tribological properties. The iPP injection molded samples, produced by...
Plasma treatment to improve the adhesion between ABS and PA6 in hybrid structures produced by injection overmolding
01/02/2022 - In this article, we investigate the possibility of combining ABS and PA6 in one structure by means of injection overmolding. The combination of these polymers in one structure is very promising,...
Effects of injection on flame flashback in supersonic crossflow
- An approach that combines numerical, experimental, and theoretical analyses has been implemented to investigate the effects of the injection parameters on the flame flashback phenomenon of...
Modeling Transient Flow in CO2 Injection Wells by Considering the Phase Change
01/12/2021 - A transient model to simulate the temperature and pressure in CO2 injection wells is proposed and solved using the finite difference method. The model couples the variability of CO2 properties and...
Visualization of Fast Ion Phase-Space Flow Driven by Alfvén Instabilities
- Fast ion phase-space flow, driven by Alfvén eigenmodes (AEs), is measured by an imaging neutral particle analyzer in the DIII-D tokamak. The flow firstly appears near the minimum safety factor at...
Preparation and Finite Element Analysis of Fly Ash/HDPE Composites for Large Diameter Bellows
30/11/2021 - In recent years, buried bellows have often had safety accidents such as pipeline bursts and ground subsidence due to the lack of adequate mechanical properties and other quality problems. In order to...
Numerical characterization of a novel test bench featuring secondary reactions of methane
- Recently, a novel test bench was developed at the Bundeswehr University of Munich in order to study secondary near-wall reactions caused by cold injection of methane into an oxygen-rich hot...
Plasma remelting and injection method for fabricating metal matrix composite coatings reinforced with tungsten carbide
- Tungsten carbide (WC) reinforced metal matrix composites are ideal protective coatings against wear and are widely used for surface coating. However, WC particle dissolution, subsidence, and...
A comparative study of biocarbon reinforced polyoxymethylene and polyamide: Materials performance and durability
- Polyoxymethylene (POM)- and polyamide 6 (PA6)-based biocomposites were investigated in order to evaluate the reinforcing efficiency of a biocarbon filler (BioC). Both types of composites were...
A real-time control-oriented discrete nonlinear model development for in-cylinder air charge, residual gas and temperature prediction of a Gasoline Direct Injection engine using cylinder, intake and exhaust pressures
- The in-cylinder trapped air, residual gas, and temperature are critical dynamic parameters in Gasoline Direct Injection (GDI) Spark Ignition (SI) engines for fuel and combustion control. However,...
Model predictive combustion control of a Gasoline Compression Ignition engine
- Gasoline Compression Ignition is a novel combustion concept that derives is superiority from the high compression ratio of a compression ignition engine as well as the properties of gasoline fuel,...
Cooling performance of multi-nozzle spray with liquid nitrogen
01/01/2022 - Spray cooling with liquid nitrogen has great advantages to achieve a cryogenic environment simulation system. The nozzle number, the mass flow rate and the gas velocity have crucial impacts on the...
Overcoming the limitations of COVID-19 diagnostics with nanostructures, nucleic acid engineering, and additive manufacturing
- The COVID-19 pandemic revealed fundamental limitations in the current model for infectious disease diagnosis and serology, based upon complex assay workflows, laboratory-based instrumentation, and...
Fabrication of an All-Solid-State Ammonium Paper Electrode Using a Graphite-Polyvinyl Butyral Transducer Layer
26/11/2021 - A planar solid-state ammonium-selective electrode, employing a composite mediator layer of graphite particles embedded in a polyvinyl butyral matrix on top of an inkjet-printed silver electrode, is...
The Influence of Microplastics from Ground Tyres on the Acute, Subchronical Toxicity and Microbial Respiration of Soil
18/11/2021 - As a rubber annular coat of rim wheels, tyres are inevitable parts of all vehicles in modern times. As to their composition, however, they represent a risk for the environment. During the use of...
Modification of the Cavity of Plastic Injection Molds: A Brief Review of Materials and Influence on the Cooling Rates
27/11/2021 - In the 21st century, a great percentage of the plastic industry production is associated with both injection molding and extrusion processes. Manufactured plastic components/parts are used in several...