Results 81 to 90 of about 1,289,970 (245)

Molecular Electrocatalysis Coupled With a Palladium Membrane Reactor Affords Selective Nitrogen Reduction

Advanced Science, EarlyView.
A palladium membrane reactor delivers active hydrogen to homogeneous nickel terpyridine catalysts, which then selectively hydrogenate dinitrogen to ammonia. ABSTRACT Ammonia production is a cornerstone of modern industry and society, yet the conventional Haber–Bosch process accounts for nearly 2% of the global CO2 emissions. A promising and potentially
Morgan McKee, Sai Phani Kumar Vangala, Farzaneh Farzinpour, Jasmin Wagner, Giacomo Pugliese, Hamed Heidarpour, Hossein Bemana, J. Felipe Estrada‐Ruiz, Jörg Daniels, Alessandro Bismuto, Ali Seifitokaldani, Nikolay Kornienko   +11 more
wiley   +1 more source

Structural changes and impacts of methane emissions in China

Scientific Reports
The annual increase in total methane emissions in China has decelerated, largely due to the continued implementation of effective emission reduction policies.
Siqi Yu, Zhu Liu, Lu Sun, Duo Cui, Xinyu Dou   +4 more
doaj   +1 more source

Methane release from warming-induced hydrate dissociation in the West Svalbard continental margin: timing, rates, and geological controls

, 2013
Hundreds of plumes of methane bubbles, first observed in 2008, emanate from an area of the seabed off West Svalbard that has become 1°C warmer over the past 30 years. The distribution of the plumes, lying close to and upslope from the present upper limit
Thatcher, K.E., Westbrook, G.K., Sarkar, S., Minshull, T.A.   +3 more
core   +1 more source

Porphyrin‐Based Porous Materials for Antibacterial Applications

Advanced Science, EarlyView.
Porphyrin‐based porous materials have excellent photophysical properties and tunable structures for high‐efficiency antibacterial therapy. This review comprehensively discusses the structural design strategies and synthetic pathways of the four main types of porphyrin‐based porous materials, summarizes their cross‐domain antimicrobial applications, and
Xiao‐Xue Liang, Xin Li, Ying Xiong, Xin Wang, Ying‐Wei Yang   +4 more
wiley   +1 more source

Research on methane emission characteristics of city gate stations based on field measurements

管道保护
This study aims to clarify the methane emission characteristics and influencing factors at city gate stations. Using the High Flow Sampler (Hi-Flow) method, component-level methane emissions were measured on-site at 11 typical city gate stations ...
Peng WANG, Hongwei ZHANG, Lide FENG, Mingbin CHU, Jina ZHANG   +4 more
doaj   +1 more source

Measuring methane emission

, 1994
This article 'Measuring Methane Emission' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems.
Neue, H. U., Wassmann, R., Lantin, R. S., Alberto, M. C., Aduna, J. B.   +4 more
openaire   +3 more sources

Transforming Gas Separations with Scalable Carbon Molecular Sieve Membranes Enabled by Chemically Tuned Hollow‐Fiber Precursors

Advanced Science, EarlyView.
We established a broadly tunable network‐polymer platform for polyimide‐based precursor membranes, extendable to various diamines. Ultrahigh selectivity with demonstrated aging resistance, and scalability via hollow fiber CMS engineering collectively establishes broad and lasting impact for the membrane science and engineering communities.
Yuhe Cao, Zhongyun Liu, Zahra Shomali, Jinyoung Kim, Steven Schlosser, Ryan P. Lively, William J. Koros   +6 more
wiley   +1 more source

Preliminary Evaluation of Method to Monitor Landfills Resilience against Methane Emission

E3S Web of Conferences, 2018
Methane emission from landfill sites contribute to global warming and un-proper methane treatment can pose an explosion hazard. Stakeholder and government in the cities in Indonesia been found significant difficulties to monitor the resilience of ...
Amalia Chusna Noor, Maryono Maryono
doaj   +1 more source

Emission factors for methane engines on vehicles and ships : with a focus on methane emissions

, 2020
Den här rapporten beskriver emissioner från metanmotorer på vägfordon och fartyg. Syftet är att ta fram relevanta emissionsfaktorer för olika motortyper och fordonstyper, alternativt fartyg. Fokuset är att presentera emissionsfaktorer för metanutsläpp och uppskattningarna omfattar både emissioner från motorer och från bränslesystemen ombord.
Hult, Cecilia, Winnes, Hulda
openaire   +1 more source

Methane Emission Control

Johnson Matthey Technology Review, 2016
Natural gas is of increasing interest as an alternative fuel for vehicles and stationary engines that traditionally use gasoline and diesel fuels. Drivers for the adoption of natural gas include high abundance, lower price and reduced greenhouse gas emissions compared to other fossil fuels. Biogas is an option which could reduce such emissions further.
openaire   +1 more source