Results 21 to 30 of about 872,810 (292)

New Stable Sulfonium Ylides. 1-Dimethylsulfuranylidene-l-phenylsulfonyl-2-propanone and Related Compounds [PDF]

open access: yes, 1968
The preparation of the title compounds as a new type of stable S-ylides has been described. The reaction of 1-dimethylsulfuranylidene-1-phenylsulfonyl-2-propanone (IIb) with lithium aluminium hydride was found to result in the formation of trans ...
Masuike, Taketosi   +4 more
core   +1 more source

Photophysics, Molecular Reorientation in Solution and X-Ray Structure of a New Fluorescent Probe 1,7-Diazaperylene [PDF]

open access: yes, 1993
A new fluorescent molecule 1,7-diazaperylene (DP) has been investigated by means of time-resolved and steady-state polarized fluorescence spectroscopy, as well as X-ray spectroscopy.
Barkely   +32 more
core   +1 more source

Quality of DNA extracted from formalin-fixed, paraffin-embedded canine tissues. [PDF]

open access: yes, 2020
Veterinary pathology tissue banks are valuable resources for genetic studies. However, limited data exist as to whether quality DNA can be extracted from these tissues for use in canine genotyping studies.
Bannasch, Danika L   +2 more
core   +1 more source

Latent Thermal Energy Storage Application in a Residential Building at a Mediterranean Climate

open access: yesEnergies, 2022
An innovative thermal energy storage system (TESSe2b) was retrofitted in a residential building in Cyprus with a typical Mediterranean climate. The system comprises flat-plate solar collectors, thermal energy storage tanks filled with organic phase ...
Luis Coelho   +10 more
doaj   +1 more source

Analysis of magnetic treatment of production fluid with high content of asphalt-resin-paraffin deposits [PDF]

open access: yes, 2017
Purpose. Justification of magnetic field application in order to prevent formation of asphalt-resin-paraffin deposits (ARPD) in oil and gas equipment, and consider some current views on the state of ARPD problem in oilfield equipment and possible methods
Kharchenko, M   +3 more
core   +2 more sources

The Effect of Local Heat and Cold Therapy on the Intraarticular and Skin Surface Temperature of the Knee [PDF]

open access: yes, 1991
Objective. To evaluate the effects of local application of ice chips, ligno-paraffin, short-wave diathermy, and nitrogen-cold air on skin and intraarticular temperature. \ud Methods. Forty-two healthy subjects were divided into 4 treatment groups.
Jacobs, J.W.G.   +3 more
core   +3 more sources

An Electronic Nose Based Method for the Discrimination of Weathered Petroleum-Derived Products

open access: yesSensors, 2018
In recent years pollution due to hydrocarbon spills has increased markedly as a result of the numerous advances in technologies and industrial processes. Anthropogenic activities (accidental or illegal) are responsible for most of these incidents.
María José Aliaño-González   +6 more
doaj   +1 more source

THERMAL CHARACTERISTICS OF PHASE CHANGE MATERIAL USED AS THERMAL STORAGE SYSTEM BY USING SOLAR ENERGY

open access: yesMağallaẗ Al-kūfaẗ Al-handasiyyaẗ, 2018
In this paper, the melting processes of phase change material in a shell and tube heat exchanger by using solar thermal energy have been investigated numerically and experimentally.
Kadhim F. Nasir   +2 more
doaj   +1 more source

Review on phase change materials (PCMs) for cold thermal energy storage applications [PDF]

open access: yes, 2012
Thermal energy storage (TES) is a technology with a high potential for different thermal applications. It is well known that TES could be the most appropriate way and method to correct the gap between the demand and supply of energy and therefore it ...
Cabeza, Luisa F.   +4 more
core   +2 more sources

Investigation of Anti-Relaxation Coatings for Alkali-Metal Vapor Cells Using Surface Science Techniques

open access: yes, 2010
Many technologies based on cells containing alkali-metal atomic vapor benefit from the use of anti-relaxation surface coatings in order to preserve atomic spin polarization.
Balabas, M. V.   +19 more
core   +3 more sources

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