Results 21 to 30 of about 343,710 (341)

Using Aerosol OT in Hexane Solution to Synthesize Calcium Nitrate Self-Healing Refined Microcapsules for Construction Applications

open access: yesBuildings, 2022
The micro-encapsulation procedure of calcium nitrate in urea-formaldehyde shell is well known. The most recent developed method for the synthesis of the calcium nitrate self-healing micro-capsules was based on the in-situ polymerization using water-in ...
Ala Abu Taqa   +3 more
doaj   +1 more source

Effects of Air Excess Ratio on Combustion and Engine Performance in a Homogeneous Charge Compression Ignition Engine fuelled with Hexane and N-Heptane Fuel Mixtures [PDF]

open access: yesGazi Üniversitesi Fen Bilimleri Dergisi, 2020
Homogeneous charge compression ignition engines are engines with low temperature combustion tendency and high thermal efficiency. The operating range of these engines, where there is no direct control over combustion, is limited because of knock and ...
Emre YILMAZ
doaj   +1 more source

Extraction of sweet and hot pepper and paprika oleoresin II. Hazards and critical control points and commercial requirements

open access: yesGrasas y Aceites, 2007
This paper reviews the hazards analysis and critical control points (HACCP) for the conventional extraction of paprika oleoresin, a product with potential to be produced in Africa and South America.
J. Pablo Fernández-Trujillo
doaj   +1 more source

Enantioselective synthesis of non-proteinogenic 2-arylallyl-α-amino acids via Pd/In catalytic cascades [PDF]

open access: yes, 2006
An efficient synthesis of both R- and S-enantiomers of 2-arylallyl-α-amino acids via a diastereoselective Pd/In mediated catalytic allylation of chiral N-sulfinyl-α-imino esters is described.
Anwar   +23 more
core   +1 more source

Solvent solutions: comparing extraction methods for edible oils and proteins in a changing regulatory landscape. General introduction☆

open access: yesOilseeds and fats, crops and lipids
Hexane is currently the dominant solvent in the oil extraction industry, valued for its efficiency, low cost, and ability to preserve the quality of oils and proteins.
Carré Patrick   +4 more
doaj   +1 more source

Tokopherols in Okara (Soy Pulp): Highly Efficient Liquid Chromatography [PDF]

open access: yesТехника и технология пищевых производств, 2020
Introduction. Soy pulp, or okara, is a soy milk by-product. It contains a complex of valuable macro- and micronutrients, including fat-soluble vitamins. Recently, there has been a growing interest in replacing synthetic antioxidants with a mix of natural
Petrova Svetlana N.   +1 more
doaj   +1 more source

Liquid n-hexane condensed in silica nanochannels: A combined optical birefringence and vapor sorption isotherm study

open access: yes, 2009
The optical birefringence of liquid n-hexane condensed in an array of parallel silica channels of 7nm diameter and 400 micrometer length is studied as a function of filling of the channels via the vapor phase.
Andriy V. Kityk   +7 more
core   +1 more source

Identification and quantification of cannabinol as a biomarker for local hemp retting in an ancient sedimentary record by HPTLC-ESI-MS [PDF]

open access: yes, 2020
Cannabis products have been used in various fields of everyday life for many centuries, and applications in folk medicine and textile production have been well-known for many centuries.
Csuk, René   +6 more
core   +2 more sources

Preparation of biodegradable porous poly(butylene succinate) microspheres [PDF]

open access: yesHemijska Industrija, 2008
The aim of this study was to determine the optimal conditions for the fabrication of porous microspheres based on poly(butylene succinate), PBS. The biodegradable non-porous PBS microspheres were prepared by the oil-in-water (o/w) emulsion solvent ...
Pepić Dragana   +3 more
doaj   +1 more source

Effect of ion hydration on the first-order transition in the sequential wetting of hexane on brine

open access: yes, 2003
In recent experiments, a sequence of changes in the wetting state (`wetting transitions') has been observed upon increasing the temperature in systems consisting of pentane on pure water and of hexane on brine. This sequence of two transitions is brought
Indekeu, Joseph O., Weiss, Volker C.
core   +1 more source

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