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Influence of CO Treatment Pressure on the Chemical Composition and Rheological Properties of Degassed Waxy Crude Oil.
ACS Omega
December 2024
College of Pipeline and Civil Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, People's Republic of China.
With the gradual application of enhanced oil recovery by CO (CO-EOR), the rheological behavior of produced fluid is altered due to CO dissolution and degassing. This work focuses on the composition, physical properties, gelation and yield characteristics, and viscosity-temperature properties of crude oil containing paraffinic wax after CO treatment. Special attention is given to the effect of the phase state of CO.
View Article and Find Full Text PDFSevere degranulation of mesenteric mast cells in an experimental rat mammary tumor model.
Turk J Med Sci
December 2024
Department of Pathology, Faculty of Veterinary Medicine, Bursa Uludağ University, Bursa, Turkiye.
Background/aim: Breast cancers are one of the most common cancers in women and are responsible for many deaths worldwide. Mast cells are inflammatory cells. Their role in cancers is controversial, and there is limited data on systemic mast cell activation in cancer cases.
View Article and Find Full Text PDFThe shard test and nanoporomechanics reverse classical paradigm of cement hydration being contractive.
Proc Natl Acad Sci U S A
December 2024
Civil and Environmental Engineering Department, Northwestern University, Evanston, IL 60208.
Le Chatelier in 1887 and Powers in 1947 demonstrated that the volume of nanoscale C-S-H (calcium silicate hydrate) particles formed during hydration is smaller than the combined volume of the reactants-the anhydrous Portland cement and water. Hydration has thus been considered as contractive. An experiment shows that the opposite is true above the nanoscale.
View Article and Find Full Text PDFSuccessful treatment of small bowel phytobezoar using double balloon enterolithotripsy combined with sequential catharsis: A case report.
World J Radiol
November 2024
Department of Gastroenterology, Shenzhen Hospital of Southern Medical University, Shenzhen 518100, Guangdong Province, China.
Background: Small bowel bezoar obstruction (SBBO) is a rare clinical condition characterized by hard fecal masses in the small intestine, causing intestinal obstruction. It occurs more frequently in the elderly and bedridden patients, but can also affect those with specific gastrointestinal dysfunctions. Diagnosing SBBO is challenging due to its clinical presentation, which mimics other intestinal obstructions.
View Article and Find Full Text PDFDeformation dynamics of an oil droplet into a crescent shape during intermittent motion.
Phys Rev E
October 2024
Department of Physics, Chiba University, Yayoi-cho 1-33, Inage-ku, Chiba 263-8522, Japan.
A paraffin droplet containing camphor and oil red O (dye) floating on the water surface shows spontaneous motion and deformation generated by the surface tension gradient around the droplet. We focused on the intermittent motion with a pronounced deformation into a crescent shape observed at specific concentrations of camphor and oil red O. We quantitatively analyzed the time changes in the droplet deformation and investigated the role of the oil red O by measuring the time-dependent paraffin-water interfacial tension with the pendant drop method.
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