Results 91 to 100 of about 25,240 (264)

Carbon Emissions From Different Functional Zones of Construction Land in the Yellow River Basin Based on Nighttime Light Data and POI Data

Land Degradation &Development, EarlyView.
ABSTRACT The Yellow River Basin is a critical region for ecological conservation and sustainable development in China. It also serves as a core area for carbon emissions across various functional zones of construction land. Accurately understanding carbon emissions from various types of construction land in the Yellow River Basin is crucial for China ...
Xi Chen, Wei Wei, Lei He, Xiaoxu Wei, Binbin Xie, Junju Zhou, Wei Shi, Yanli Pei   +7 more
wiley   +1 more source

Hydrogen Supplementation in SI Engines: Enhancing Efficiency and Reducing Emissions with a Focus on Knock Phenomena

Machines
This study investigates the impact of hydrogen supplementation on the performance, efficiency, and emissions of a spark-ignition internal combustion engine, with a specific focus on knock phenomena.
Saugirdas Pukalskas, Alfredas Rimkus, Tadas Vipartas, Saulius Stravinskas, Donatas Kriaučiūnas, Gabrielius Mejeras, Andrius Ušinskas   +6 more
doaj   +1 more source

Strategic Reconfiguration of Agriculture Sustainability in APEC Countries: Trade Exposure, Technological Transition, and Climate Constraints

Land Degradation &Development, EarlyView.
ABSTRACT In developing economies, the agricultural sector enhances national food security, employment, and economic prosperity, while it is also closely linked to the ecological system. International trade, technological innovations, and fertilizer use are modern inputs to increase output; however, their unsustainable use leads to environmental ...
Jie Yue, Yichen Yao, Bin Gong
wiley   +1 more source

Research Progress and Commercial Applications of Fluid Catalytic Cracking (FCC) Technology

Shiyou huagong gaodeng xuexiao xuebao
As the core of heavy oil upgrading, fluid catalytic cracking(FCC) units have long been the main pillar of economic benefits for petrochemical enterprises in China.This paper reviews the development history of domestic FCC technology and summarizes the ...
Ruiqi QIAO, Jianhong GONG, Xiaoli WEI, Dongxue CAO   +3 more
doaj   +1 more source

Chemical Ionization Mass Spectrometry: Fundamental Principles, Diverse Applications, and the Latest Technological Frontiers

Mass Spectrometry Reviews, EarlyView.
ABSTRACT The review examines the evolution of chemical ionization mass spectrometry (CI‐MS), a technique developed in 1966 by Field and Munson. CI is a soft‐ionization method that produces more intense molecular ions with less fragmentation than electron ionization (EI).
Malvika Dutt, Adriana Arigò, Giorgio Famiglini, Pierangela Palma, Achille Cappiello   +4 more
wiley   +1 more source

Economic Determinants of Gasoline Prices: A Cointegration Analysis for Czechia

Communications
The long-term relationships between the N95 ("Natural 95") gasoline prices and economic factors, such as Brent crude oil prices, diesel fuel prices, and the CZK/USD exchange rate from 2014 to 2024, was investigated within this research. The Engle-Granger
Jiří Alina, Jiří Nožička
doaj   +1 more source

ETHYL GASOLINE [PDF]

American Journal of Public Health, 1925
openaire   +2 more sources

A Branch‐and‐Price Algorithm for the Symmetric Electric Traveling Salesman Problem

Networks, EarlyView.
ABSTRACT The Electric Traveling Salesman Problem (ETSP) is a variant of the well‐known TSP in which an electric vehicle must visit a set of customers minimizing the total cost of its route. The vehicle is assumed to be equipped with a battery of limited capacity that may need to be recharged along the route.
Alberto Ceselli, Cristina Ondei, Giovanni Righini   +2 more
wiley   +1 more source

Perceptions of Patients and Health Professionals Regarding the Experience of Patients With a Hybrid Cardiac Rehabilitation Program

Research in Nursing &Health, EarlyView.
ABSTRACT Hybrid cardiac rehabilitation (HCR), which combines supervised center‐based and monitored home‐based exercise programs, gained popularity during the COVID‐19 pandemic. While HCR appears to be as effective as standard cardiac rehabilitation, patients' experiences within these programs remain largely unexplored.
Pamela Tanguay, Nicole Marquis, Alexandra Ethier, Jennifer Hakim, Monique Dufour Doiron, Gaétan Thériault, Michel Leblanc, Marie‐Andrée Giroux, Mathieu Bélanger   +8 more
wiley   +1 more source

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