Results 71 to 80 of about 84,092 (286)

Car Industry developments – oil industry challenges [PDF]

open access: yes, 2007
Automotive industry of Europe is one of the greatest economical powers, the „engine of Europe”. It employs directly 2.2 million people and 10 million in related industries and services.
Horváth, Ádám   +3 more
core  

Ultrasound–Calcination Synergistic Control of (Ce, La)PO4 Catalyst Structure for Enhanced Low‐Temperature NH3‐SCR Performance

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT In this study, (Ce, La)PO4 catalysts were synthesized via an ultrasound‐assisted method. The effects of ultrasound duration and calcination temperature on the low‐temperature NH3‐SCR performance were systematically investigated. The results indicated that the (Ce, La)PO4 catalyst prepared with an ultrasound treatment time of 20 min and a ...
Na Li   +4 more
wiley   +1 more source

An Experimental Study of the Influences of Lacquer Thinner Addition to Gasoline on Performance and Emissions of a Spark Ignition Engine [PDF]

open access: yesEngineering Perspective
In this study, lacquer thinner (LT) has been utilized as an addition to pure gasoline in a single cylinder SI engine for increasing performance and reducing emissions.
Ahmet Uyumaz   +2 more
doaj   +1 more source

Towards Long-endurance Flight: Design and Implementation of a Variable-pitch Gasoline-engine Quadrotor

open access: yes, 2017
Majority of today's fixed-pitch, electric-power quadrotors have short flight endurance ($
Chen, B. M., Lin, F., Pang, T., Peng, K.
core   +1 more source

Exposure to Occupational Inhalants and the Risk of Developing Rheumatoid Arthritis: A Systematic Review and Meta‐Analysis

open access: yesArthritis &Rheumatology, EarlyView.
Objective Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by joint pain, swelling, and stiffness. Although smoking is a well‐established risk factor for RA, the role of occupational inhalants in RA development is less well recognized.
Qianwen Liu   +7 more
wiley   +1 more source

An Analysis of the Combustion Behavior of Ethanol, Butanol, Iso-Octane, Gasoline, and Methane in a Direct-Injection Spark-Ignition Research Engine [PDF]

open access: yes, 2012
Future automotive fuels are expected to contain significant quantities of bio-components. This poses a great challenge to the designers of novel low-CO2 internal combustion engines because biofuels have very different properties to those of most typical ...
Aleiferis, PG   +2 more
core   +2 more sources

Combined effect of increasing the post‐reformer temperature and adding red mud as a secondary catalyst in the thermocatalytic reforming of digestate

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract This work studies the combined effect of increasing the post‐reformer temperature and introducing red mud as a support catalyst in the thermocatalytic reforming (TCR®) of digestate. The TCR® method, developed by the Fraunhofer Institute for Environmental, Safety and Energy Technology UMSICHT (abbreviated as Fraunhofer UMSICHT), is an extension
Hillary Onyishi   +4 more
wiley   +1 more source

Soil reinforcement with synthetic and natural fibres: a review [PDF]

open access: yes, 2020
Problematic soil is a common issue in construction activities, particularly when dealing with peat and clay soils of poor geotechnical properties. Such soils are non-homogeneous, and their properties vary greatly from place to place or, in some cases ...
Abdul Rahman, Mohd Fahrni   +6 more
core  

Numerical analysis of a downsized 2-stroke uniflow engine [PDF]

open access: yes, 2014
In order to optimize the 2-stroke uniflow engine performance on vehicle applications, numerical analysis has been introduced, 3D CFD model has been built for the optimization of intake charge organization.
Freeland, P   +4 more
core   +1 more source

Effective acetalization of furfural catalyzed by Fe‐ and Co‐oxalates: impact of alcohols structure on products composition

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Fe‐, Co‐, and FeCo‐oxalates supported on silica gel (5 wt% metal load) were synthesized, characterized, and tested for the first time in solvent‐free furfural (FF) acetalization with C1–C8 alcohols at 70–170 °C under both conventional and microwave (MW)‐assisted conditions. The interaction of FF with linear C1–C4 alcohols yielded pincer‐shaped
Alexander Pokutsa   +3 more
wiley   +1 more source

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