Results 21 to 30 of about 344,625 (347)

Влияние концентрации н-гексана на изменение плотности и теплопроводности подсолнечного масла

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
It should be noted that in recent years, solutions with liquid components have a very wide distribution in the art and are used in many industrial processes, heat exchanging devices.

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

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

Separation of n-hexane - ethyl acetate mixture by azeotropic batch distillation with heterogeneous entrainers [PDF]

open access: yes, 2005
In this article, a systematic study of the separation of the n-hexane - ethyl acetate mixture with an entrainer by heterogeneous azeotropic batch distillation is performed.
Acosta   +12 more
core   +2 more sources

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

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

Peripherally-metallated porphyrins: meso-n1-porphyrinyl-platinum(II) complexes of 5,15-diaryl- and 5,10,15-triarylporphyrins [PDF]

open access: yes, 2002
Attempted metathesis reactions of peripherally-metallated meso-η1-porphyrinylplatinum(II) complexes such as trans-[PtBr(NiDPP)(PPh3)2] (H2DPP = 5,15-diphenylporphyrin) with organolithium reagents fail due to competitive addition at the porphyrin ring ...
Arnold, Dennis   +2 more
core   +2 more sources

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

GC-MS assay of hexane and ethanol extracts of spirulina algae and detecting their antibacterial activity against uropathogenic S.aureus and E.coli

open access: yesPočki
Background. This study aims to assess the antimicrobial activity of spirulina hexane and ethanol extracts. The task is to discover standardized analytical methods for isolating original bioactive compounds from algae for fighting harmful bacteria such as
Salah Faiz Shnaa   +2 more
doaj   +1 more source

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

Home - About - Disclaimer - Privacy