Results 111 to 120 of about 84,490 (287)

Characteristics, properties and limitations of per‐ or polyfluoroalkyl substances (PFASs) and fluoropolymers

Polymer International, EarlyView.
An overview and categorization of man‐made per‐ or polyfluoroalkyl substances (PFASs) including low‐molar‐mass and high‐molar‐mass fluorochemicals, and their international regulations is presented. Though certain PFASs are toxic, bioaccumulative and cross the human cellular membranes, others, such as fluoropolymers, are safe, reliable and involved in ...
Bruno Améduri
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

Engineering 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, Ali Batuhan Kilmen, Murat Kaş   +2 more
doaj   +1 more source

Actuation Strategies for Underwater Jet‐Propelled Soft Robots

Journal of Field Robotics, EarlyView.
ABSTRACT This review article examines jet‐propulsion mechanisms in underwater soft robotic systems, focusing exclusively on physically fabricated and experimentally validated robots. Covering research published from 2013 to 2025, this study classifies and evaluates jet‐propulsion robots based on their actuation mechanisms.
Angel Kitone, Mohammed Anteet, Pawandeep S. Matharu, Yara Almubarak   +3 more
wiley   +1 more source

HHO-gasoline hybrid motorcycle

Tạp chí Khoa học và Công nghệ
Supplementing HHO into gasoline is an effective solution for improving combustion processes and reducing greenhouse gas emissions in motorcycle engines.
Nguyen Le Chau Thanh, Bui Van Ga, Ngo Tan Thong, Le Xuan Thach   +3 more
doaj   +1 more source

“There Are Places Full of Beauty”: Desettling High School Students' Scientific Writing

Science Education, EarlyView.
ABSTRACT This study contributes to desettling and expanding expectations about the forms of scientific language that belong in students' scientific writing. The primary empirical focus is the analysis of 52 high school student abstracts articulating community‐based investigations, submitted as part of their participation in a student conference in a ...
Alejandra Frausto Aceves
wiley   +1 more source

Business Model and Sustainable Development Goals for an Innovative Agricultural Waste Management: Distributed Biogas Production

Sustainable Development, EarlyView.
ABSTRACT Technological progress and population growth have increased global pork demand; leading to a rise of methane emission from pig farming, a key contributor to climate change. Anaerobic digestion offers a sustainable solution by converting manure into biogas.
María‐Pilar Martínez‐Hernando, Carlos Reparaz, Roberto Paredes, Enrique Garcia‐Franco, Alfonso García Álvaro, Marcelo F. Ortega   +5 more
wiley   +1 more source

Research on setting up types of containing methane fuel injection schematic for spark ignition engine using Juken software

Tạp chí Khoa học và Công nghệ
With the strong shift in the use of alternative energy sources for gasoline engines on waterways and road vehicles, the concentration of toxic emissions into the environment will gradually be reduced according to the roadmap towards net zero by 2050 ...
Nguyen Thanh Tuan, Quach Hoai Nam, Nguyen Phu Dong, Tran Dang Khoi   +3 more
doaj   +1 more source

The changes of burning efficiency emission and power output of a diesel engine fueled by bioethanol – biodiesel-diesel oil mixtures [PDF]

, 2006
The environmental pollution and the decrease of the oil based fuels are the greatest problems of the automotive-industry at the start of the 21st century.
Zöldy, Máté
core  

Expansion of the Brazilian Sugarcane Bioenergy System Promotes Greenhouse Emission Reductions and Sustainable Development Without Compromising Food Security

Sustainable Development, EarlyView.
ABSTRACT The growing global demand for biofuels has raised concern about compromising food security. This study uses two independent economy‐wide models to evaluate the impact of expanding the Brazilian sugarcane bioenergy system on economic growth, social outcomes and food security.
Angelo C. Gurgel, Sofia M. Arantes, Luciane C. Bachion, Marcelo M. R. Moreira, Marcelo Justus, David Chiaramonti, Lee R. Lynd   +6 more
wiley   +1 more source

Resource redeployment as an entry advantage in resource‐poor settings

Strategic Management Journal, EarlyView.
Abstract Research Summary Scarcity of productive factors poses a challenge for firms entering underdeveloped regions. We theorize that incumbent firms can overcome scarcity of skilled human capital in local labor markets by redeploying workers from existing units.
Jasmina Chauvin, Carlos Inoue, Christopher Poliquin   +2 more
wiley   +1 more source