Results 21 to 30 of about 7,588,826 (299)

Comparative analysis of filterability behavior of B30 and B40 biodiesel blends on various porosity and dimension of fuel filter

open access: yesInternational Journal of Renewable Energy Development, 2023
This report is focused on comparative analysis of the impact of using biodiesel blends containing more than 30% biodiesel in diesel engine filtration systems.
Yogi Pramudito   +6 more
doaj   +1 more source

Mineral element discrimination of Selenium-enriched rice in Ningxia and its quality evaluation

open access: yesShipin yu jixie, 2022
Objective: The element content and physical and chemical quality were analyzed from the nutritional quality of Selenium (Se)-enriched rice in Ningxia. Methods: 25 rice samples from different brands in Ningxia were selected as the research object, and 26 ...
YANG Xiao-chen
doaj   +1 more source

A Tale of Oil Production Collapse

open access: yesResources Policy, 2023
Programa Operativo FEDER de Andalucía 2014–2020 (grant number B-SEJ-544-UGR20)
Henry Aray, David Vera
openaire   +2 more sources

Fast Determination of 20 Pesticides Residues in Wheat Using QuEChERS-modified and GC-MS/MS

open access: yesLiang you shipin ke-ji, 2022
A method for the determination of 20 pesticides residues in wheat by QuEChERS coupled with GC-MS/MS was developed. The effect of sorbent for purification was investigated. The matrix effect was also studied.
PENG Xing-xing   +2 more
doaj   +1 more source

OIL AND OIL PRODUCTS.

open access: yes, 2023
Provides a detailed understanding of petroleum and petroleum products and the products that separate petroleum during refining.
openaire   +2 more sources

Formation Mechanism of Trailing Oil in Product Oil Pipeline

open access: yesProcesses, 2018
Trailing oil is the tail section of contamination in oil pipelines. It is generated in batch transportation, for which one fluid, such as diesel oil follows another fluid, such as gasoline, and it has an effect on the quality of oil. This paper describes
Enbin Liu   +3 more
semanticscholar   +1 more source

Research progress on mechanism of water displacement by flowing product oil

open access: yesYou-qi chuyun, 2020
Corrosion products caused by accumulated water in low places of the product oil pipeline often lead to trunk line equipment blockage.It is an effective method to reduce the corrosion of product oil pipeline and prevent the pipeline blockage by oil flow ...
Guangli XU, Xinye LIU, Liangxue CAI
doaj   +1 more source

Oil and oil products market in Ukraine [PDF]

open access: yesEkonomika APK, 2020
The purpose of the article is to study the market of oil and oil products in Ukraine, its role in the functioning of agriculture and identify ways to improve. Research methods. Methods used: system analysis and generalization (to study and generalize the energy dependence of Ukraine); statistical (to display the situation on the oil and oil products ...
Oleksandr Zakharchuk   +1 more
openaire   +1 more source

DEVICE FOR STUDY OF DYNAMIC SURFACE TENSION OF AQUEOUS SURFACTANT SOLUTIONS

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2014
Theoretical bases of fixed spinning drop method for the study of dynamic interfacial tension of aqueous surfactant solutions on the border with other immiscible liquids in water are considered.
Igor Kisil   +3 more
doaj   +1 more source

Study on Asymmetry Concentration of Mixed Oil in Products Pipeline

open access: yesEnergies, 2020
Long-distance pipelines transporting multiple product oils such as gasoline, diesel and jet fuel, are important facilities for transporting fossil energy. One major concern in operation is the energy consumption of the pipeline. Energy consumption should
Yi Wang   +3 more
doaj   +1 more source

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