Results 121 to 130 of about 64,085 (311)

Hydration of Humic Substances [PDF]

open access: yes, 2011
Tato dizertační práce studuje charakter hydratační vody v systému voda/huminová látka. Úkolem je určit jak kvantitativní, tak i kvalitativní aspekty hydratace huminových látek (HS) v pevné i kapalné fázi a prozkoumat rozdíly ve vlastnostech vody ...
Bursáková, Petra
core  

Optimization of a reactor for biostimulant production with emphasis on the economic aspects of hydrolysis

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Biostimulants are increasingly used in agriculture to promote plant growth, improve stress tolerance, and support sustainable farming practices. One common method of production is chemical hydrolysis of protein‐rich waste, such as tannery by‐products, offering an economical and eco‐friendly alternative to conventional raw materials.
Karel Kolomazník   +3 more
wiley   +1 more source

Accurate separation and recovery of humic substances from landfill leachate concentrate by triethanolamine-based loose nanofiltration membranes

open access: yesAdvanced Membranes
The treatment of landfill leachate concentrate poses significant environmental challenges, particularly in the separation and recovery of valuable humic substances from high salt concentrations.
Shihang Wei   +7 more
doaj   +1 more source

Polyvinylidene Fluoride: A Growing Specialty Polymer with Many Facets

open access: yesChinese Journal of Chemistry, EarlyView.
Comprehensive Summary Polyvinylidene fluoride (PVDF), the second largest produced fluoropolymer, exhibits outstanding chemical, physical, electroactive and electrochemical properties and is involved in many High‐Tech applications. This review reports recent novelties in synthesis, characterization, processes and applications. Recent preparation studies
Bruno Améduri
wiley   +1 more source

Soil fertility comparison among organic and conventional managed citrus orchards in Sicily. [PDF]

open access: yes, 2002
In recents years, organic farming is expanding in Southern Italy and in the Mediterranean area, due to interest of consumers and EU agricultural policies.
Alessandra, Dr. Trinchera   +5 more
core  

Boards of Directors That Transform: A Study on How Specific Architectural Components Drive ESG Performance

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study explores the potential influence of key components of the board of directors' architecture on ESG outcomes. Specifically, we focus on the effects of demographic components (gender and cultural diversity), structural and compositional factors (size, CEO‐Chair separation, and the presence of independent/non‐executive directors), and ...
Jorge Ochaita‐Gonzalez   +3 more
wiley   +1 more source

The effect of NOM characteristics and membrane type on microfiltration performance [PDF]

open access: yes, 2007
Efforts to understand and predict the role of different organic fractions in the fouling of low-pressure membranes are presented. Preliminary experiments with an experimental apparatus that incorporates automatic backwashing and filtration over several ...
Bolto, Brian   +3 more
core  

English across the four nations: A ‘home international’ comparison of secondary English curricula in the UK

open access: yesThe Curriculum Journal, EarlyView.
Abstract Every child across the UK is expected to study English until the age of 16. The subject is understood to be a core and foundational element of pupils' curriculum entitlement across their school lives, and success in English is a key determinant for influencing individuals' future trajectories, and for impacting wider economic and social ...
Rebecca Morris, Wendy Ramku
wiley   +1 more source

Butterflies of curriculum realisation: Investigating early implementation of the Curriculum for Wales

open access: yesThe Curriculum Journal, EarlyView.
Abstract Curriculum reform provides a vital opportunity for nations to ensure learners are equipped to fully participate as citizens in the 21st century. This paper presents an understanding of educators’ response to curriculum reform, and some of its enablers and barriers.
Alison Glover   +5 more
wiley   +1 more source

Efficient Enantiomeric Selectivity Separation Via Homochiral Graphene Oxide Membrane

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A new type of chiral graphene oxide (GO) membrane is proposed that exhibits a separation factor of up to 20.1 as well as a preferential enantiomer flux of 4.5 mmol m−2 h−1. Moreover, the only first FPLC‐compatible column has been further developed via stacking these chiral GO membranes.
Junbo Wang   +10 more
wiley   +1 more source

Home - About - Disclaimer - Privacy