Results 131 to 140 of about 93,158 (308)

Using hydrotalcite for biodiesel production [PDF]

open access: yes, 2009
Different parameters that can modify the extension of the transesterification reaction have been evaluated, such as, reaction temperature, agitation speed, methanol:oil molar ratio, percentage of solid catalyst presents in the reaction medium and ...
Labarta, Juan A.   +3 more
core  

Sustainability Disclosure and External Assurance of Reports in the Italian Agrifood Sector

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT The European Union introduced the Corporate Sustainability Reporting Directive (CSRD) with the aim of aligning the “walk”—the implementation of substantive sustainability practices—and the “talk”—their representation in sustainability reporting.
Andrea Caccialanza   +2 more
wiley   +1 more source

CSR Disclosure and Operating Performance in the Agri‐Food Manufacturing Industry: Evidence From Southern Europe

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study explores the relationship between corporate social responsibility (CSR) disclosure and operating profitability in the agri‐food manufacturing industry of Southern Europe, focusing on Extremadura (Spain). From an initial pool of 284 firms, the final sample comprised 185 companies after excluding inactive or non‐reporting cases.
Ángel Sabino Mirón Sanguino   +3 more
wiley   +1 more source

Ultrasound Assisted Esterification of Rubber Seed Oil for Biodiesel Production [PDF]

open access: yes, 2012
Production of biodiesel is currently shifting from the first to the second generation in which the raw materials are mostly from non-edible type oils and fats. Biodiesel production is commonly conducted under batch operation using mechanical agitation to
Berkah , Fajar   +2 more
core  

Mapping Corporate Environment, Social, and Governance Discourses: Analysis of Korean Companies' Sustainability Reports (2014–2024)

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Corporations increasingly use Environmental, Social, and Governance (ESG) reports to articulate their commitments, priorities, and performance in sustainability governance. This study examines how Korean firms have configured and reconfigured their sustainability discourses across industries and time using 634 sustainability reports (2014–2024)
Taedong Lee   +3 more
wiley   +1 more source

Quantitative Analysis Ageing Status of Natural Ester-paper Insulation and Mineral Oil-paper Insulation by Polarization/Depolarization Current

open access: yes, 2012
Polarization and Depolarization Current (PDC) technique is an effective tool to assess the condition of oil-paper insulation system in power transformers. So far the PDC behaviors of mineral oil-paper insulation have been widely investigated.
Yang, Lijun   +4 more
core  

Learning Strategies from Nature's Blueprint to Cyclic Carbonate Synthesis

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
The development of sustainable synthetic methods for cyclic carbonates draws inspiration from nature, focusing on eco‐friendly processes and renewable resources like CO2 and biomass. This review explore various CO2 activation mechanisms, green chemistry principles, and green catalysts.
Erika Saccullo   +4 more
wiley   +1 more source

Operation variables in transesterification of vegetable oil: an enzymatic catalysis review

open access: yesIngeniería e Investigación, 2010
This paper presents the results of a literature review regarding how operating conditions influence vegetable oil enzymatic transesterification yield. The following parameters were studied: temperature and time reaction, alcohol: oil molar ratio, alcohol
Andrés Felipe Rojas González   +2 more
doaj  

THE IMPACT OF PETROLEUM PRICES ON VEGETABLE OILS PRICES: EVIDENCE FROM COINTEGRATION TESTS

open access: yes
This paper investigate the long-term relationship between the petroleum and vegetable oils prices represented by palm, soybean, sunflower and rapeseed oils prices. To that end, the bivariate cointegration approach using Engle-Granger two-stage estimation
Mohamed Arshad, Fatimah   +1 more
core   +1 more source

Associations Between Microbial Depletion and Autonomic Dysregulation in Binge‐Eating Disorder

open access: yesInternational Journal of Eating Disorders, EarlyView.
ABSTRACT Objective The interplay between the gut microbiome and autonomic nervous system remains unexplored in binge‐eating disorder (BED). We aimed to explore specific microbial alterations in BED and examine their potential association with cardiac vagal tone as a distinct bio‐behavioral phenotype.
Shuang Liang   +4 more
wiley   +1 more source

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