Results 41 to 50 of about 4,252,082 (308)

Recycling of solvent used in a solvent extraction of petroleum hydrocarbons contaminated soil. [PDF]

open access: yes, 2011
The application of water washing technology for recycling an organic composite solvent consisting of hexane and pentane (4:1; TU-A solvent) was investigated for extracting total petroleum hydrocarbons (TPH) from contaminated soil. The effects of water
Frédéric Coulon   +11 more
core   +1 more source

Solvent-Free Synthesis of Hollow Carbon Nanostructures for Efficient Sodium Storage

open access: yes, 2023
The structural characteristics of hollow carbon nanostructures (HCNs) result in intriguing physicochemical properties and various applications, especially for electrochemical energy storage applications.
Ping Hu (59156)   +9 more
core   +1 more source

Value addition to underutilized oilseed crops through saponification of avocado and coconut oils in South-Kivu, Democratic Republic of Congo

open access: yesDiscover Applied Sciences
Underutilized oilseed crops contribute significantly to food security and poverty alleviation in the Democratic Republic of Congo (DRC). However, their potential remains underexploited due to limited data on their oil quality and potential applications ...
Jacques Kihye Byamungu   +6 more
doaj   +1 more source

Green High-Yielding One-Pot Approach to Biginelli Reaction under Catalyst-Free and Solvent-Free Ball Milling Conditions

open access: yesApplied Sciences, 2016
A simple, green, and efficient approach was used to synthesize 3,4-dihydropyrimidines derivatives. We showed that the application of the planetary ball milling method with a ball-to-reagent weight ratio of 8 for the Biginelli reaction provides 3,4 ...
Mohamed Ould M’hamed   +2 more
doaj   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani   +7 more
wiley   +1 more source

Solvent-Free Benzoin and Stetter Reactions with a Small Amount of NHC Catalyst in the Liquid or Semisolid State

open access: yes, 2016
The intermolecular or intramolecular asymmetric benzoin reaction was catalyzed by a small amount of N-heterocyclic carbene (NHC) (0.2–1 mol %) under solvent-free conditions.
Ryo Kimura (3237978)   +4 more
core   +1 more source

Optimisation of solvent replacement procedures according to economic and environmental criteria in pharmaceutical industry [PDF]

open access: yes, 2006
During pharmaceutical syntheses, the reaction solvent has often to be switched off from one reaction step to the following one. Because of the standard industrial practices, solvent replacement generally constitutes a slow and high solvent-consuming ...
Elgue, Sébastien   +4 more
core   +1 more source

A Stoichiometric Solvent-Free Protocol for Acetylation Reactions

open access: yesFrontiers in Chemistry, 2022
Considering the remarkable relevance of acetylated derivatives of phenols, alcohols, and aryl and alkyl thiols in different areas of biology, as well as in synthetic organic chemistry, a sustainable solvent-free approach to perform acetylation reactions is proposed here.
Francesca Valentini   +6 more
openaire   +5 more sources

Synthetic and Biological Studies of Ethyl-7-methyl-3-(naphthalen-2-yl)-5-phenyl-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate Derivatives

open access: yesOrbital: The Electronic Journal of Chemistry, 2017
Novel series of ethyl-7-methyl-3-(naphthalen-2-yl)-5-phenyl-5H-thiazolo[3,2-a] pyrimidine-6-carboxylate (4a–g) heterocyclic compounds have been synthesized in a one-pot reaction under solvent-free conditions from 4-(naphthalen-2-yl)thiazol-2-amine (1 ...
Kandarp H. Patel, Yogesh S. Patel
doaj   +3 more sources

Solvent-free NMC electrodes for Li-ion batteries: unravelling the microstructure and formation of the PTFE nano-fibril network

open access: yesFrontiers in Energy Research
The microstructure and electrochemical performance of solvent-free processed and slurry cast Li(Ni0.6Co0.2Mn0.2)O2 (NMC622) based electrodes for Li-ion batteries has been investigated.
G. A. B. Matthews   +7 more
doaj   +1 more source

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