Results 21 to 30 of about 35,683 (287)
Impedance Spectroscopy as a Tool for the Diagnosis of the State of Vegetable Oils Used as Lubricants
In this research the performance of sesame seeds and sweet almond oils was analyzed used as lubricants in preventive wear testing (AW) in a four-ball tribometer. The impedance spectroscopy technique was used in the frequency range of 0.2 to 2000 kHz as a
E. Delgado, W. Aperador, A. Hernández
doaj +1 more source
Lipoid pneumonia can develop from exposure to different types of oil, but occupational exposure is rare. A 58‐year‐old woman was referred to our hospital for patchy airspace opacities in the lungs with lower lobe predominance on chest computed tomography.
Sunji Park, Ji Eun Park, Jaehee Lee
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Effects of biological control on biodiversity of insects in citrus orchards of Babolsar, Mazandaran Province, Iran [PDF]
In this research, insect populations in citrus orchards of Hadishahr, Babolsar, Mazandaran Province, Iran, under different pest managements for two seasons (summer and autumn) from late June to late December 2017 were evaluated by installation of sticky ...
Sahar Sorkhabi Abdolmaleki +3 more
doaj
According to the ASTM D97, the pour point is the temperature below which petroleum products cease to flow. To evaluate the relevance of pour point measurements for synthetic lubricating oils, we investigated the crystallization, melting temperature and ...
Andreas Conrad +4 more
doaj +1 more source
The continuous development of electrical systems and high voltage transformers builds the need for looking for new insulating media or to improve the insulating properties of commercially available transformer oils (TO) by various modification techniques.
Jacek Fal, Omid Mahian, Gaweł Żyła
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Investigation of the content of unsaturated hydrocarbons in transformer oils using IR spectroscopy
THE PURPOSE. To analyze the current understanding of unsaturated hydrocarbons with double C=C bonds in mineral transformer oils and evaluate the effectiveness of modern methods of controlling the content of these compounds in oils ...
M. Sh. Garifullin +4 more
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Evaluation of the lubricating power of sweet almond oil without additives
The lubricity of sweet almond oil (Prunus amygdalus var. Dulcis) was evaluated through Anti Wear (AW) properties and Extreme Pressure (EP) performance in a four-ball tribometer.
Arnoldo Emilio Delgado-Tobón +2 more
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Mineral Paraffins in olives and olives oils
Mineral paraffins are used as markers of contamination with mineral oils. Toxic effects are observed in Fisher 344 rats at concentrations of 0.01–20 mg kg1 bw, depending on the type of paraffins administered. Concerns arise about possible presence
Tiziana Populin +5 more
core +1 more source
The true cloud temperature of a 50–50 weight mixture of aniline and mineral oil is a reliable index of the amount of swelling a synthetic rubber undergoes when immersed in mineral oil.
P. O. Powers, H. A. Robinson
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