barium sulfate
Influence of Nano Barium Sulfate Agglomeration on Microstructure and Properties of the Hardened Cement Based Materials
... Nano-barium sulfate additions on the physico- mechanical properties of hardened cement ...Nano-barium sulfate was prepared by the pre- cipitation ...nano-barium sulfate and ...
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Evaluation Efficiency of Barium Sulfate Scale Inhibitors by Electrochemical Impedance Spectroscopy
... [21-29]. Barium sulfate scaling onto carbon steel in the presence and absence of scaling inhibitors used the spectroscopy electrochemical impedance EIS, is the objective of this ...of barium ...
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Nanofunctionalized zirconia and barium sulfate particles as bone cement additives
... and barium sulfate (BaSO 4 ) particles were introduced into a methyl methacrylate monomer (MMA) solution with polymethyl methacrylate (PMMA) beads during polymerization to develop the following novel bone ...
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Modeling of Catalyst Effect on the Reduction Rate Enhancement of Barium Sulfate by Methane and Developing Two Environmentally Friendly Processes
... of barium sulfate by methane based on experimental data obtained by thermogravimetric ...for barium carbonate production with methane as a reducing agent, decreasing CO 2 emission ...
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Evaluation of Barium Sulfate (Barite) Solubility Using Different Chelating Agents at a High Temperature
... Barium sulfate (barite) is one of the widely used weighting materials in the preparation of drilling fluid for deep oil and gas wells. Barite is not soluble in the regular solvents; such as, hydrochloric ...
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Investigation of Barium Sulfate Precipitation and Prevention Using Different Scale Inhibitors under Reservoir Conditions
... preventing barium sulfate deposition was ...preventing barium sulfate formation at any mixing ratio of the waters is associated with the optimum concentrations of three phosphonate ...
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<p>Construction of catechol-grafted chitosan alginate/barium sulfate microcapsules for computed tomography real-time imaging and gastroretentive drug delivery</p>
... of barium sulfate nanoclusters on the inside of Cat-CA/BS MCs pos- sessed similar phase structure to standard barium sulfate crys- tals, X-ray attenuation coef fi cients resulted in good CT ...
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Biokinetics and effects of barium sulfate nanoparticles
... used. Barium content in the 4 week-exposure group lungs was measured three times (1, 2 and 35 days after the end of exposure) but only once (1 day post- exposure) in the 13-week exposure ...
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Physiologic Studies of the Pulmonary Capillary Bed after Barium Sulfate Embolization
... circulation did not alter the response to barium. Microscopic examination of lung sections taken after standard embolization showed plugging of precapillary vessels in the 40-50 µ range. These studies suggest that ...
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Effects from a 90-day inhalation toxicity study with cerium oxide and barium sulfate nanoparticles in rats
... Our current findings were thus quite consistent: enhanced risk of lung fibrosis or tumor development could be suggested, considering the dis- tinct, persistent lung inflammation mediated[r] ...
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Piet Mondrian’s Broadway Boogie Woogie: non invasive analysis using macro X-ray fluorescence mapping (MA-XRF) and multivariate curve resolution-alternating least square (MCR-ALS)
... Piet Mondrian’s Broadway Boogie Woogie (1942–1943) was examined using Macro X-Ray Fluorescence mapping (MA-XRF) to help characterize the artist’s materials and understand his creative process as well as the current ...
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Absorption of Water and Sodium from the Small Intestine of Patients with Nontropical Sprue
... of barium sulfate suspended in the again, in this more accurate series of observations, all of the patients in relapse had rates of absorp- labeled water and placed in the small bowel di[r] ...
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A LABORATORY STUDY OF THE CARRIER STATE IN CLASSIC HEMOPHILIA
... Similarly, the ability of aluminum hydroxideadsorbed citrated plasma of 21 carriers including the six whose barium sulfate-adsorbed plasmas were not tested and of 19 normal individuals t[r] ...
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STUDIES IN INTRAVASCULAR COAGULATION III THE PATHOGENESIS OF SERUM INDUCED VENOUS THROMBOSIS
... natant of the serum after barium sulfate adsorption, containing only trace amounts of SPCA, failed repeatedly to induce clotting in isolated vein segments.. In striking contrast, the dia[r] ...
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Sensitivity and Precision of Determination of 210Pb in Groundwater
... with barium sulfate precipitate dissolved in EDTA and mixed with the Hi Safe liquid scintillation cocktail (in the sulfate co-precipitation ...lead sulfate precipitate and the Hi Safe or Star ...
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Production chemistry problems in production operation-scale during pressure maintenance
... of sulfate ion and formation waters, with high concentrations of calcium, barium, and strontium ...calcium sulfate, barium sulfate and/or strontium ...and barium sulfates in ...
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Bone Cements: Review of Their Physiochemical and Biochemical Properties in Percutaneous Vertebroplasty
... Antibiotics are sometimes added to the cement powder before injection to minimize infection ( 6, 7 ). These additives, like barium sulfate and zirconium dioxide, can affect the mechanical properties of the ...
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Radiological evaluation of the patency of duodenal-esophageal anastomosis during a long postoperative follow-up: effectiveness of an alkaline reflux model in rats
... Methods: This was an experimental study in which 45 female Wistar rats were used. A side- to-side anastomosis was performed, going from the anterior side of the esophagus to the second duodenal portion. A standardized ...
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NATURE OF A PLATELET AGGLUTINATING FACTOR IN SERUM OF PATIENTS WITH IDIOPATHIC THROMBOCYTOPENIC PURPURA
... A portion of the serum adsorbed with barium sulfate, 150 mg per ml, had a residual prothrombin time exceeding 120 seconds and did not produce aggregation of washed platelets during incub[r] ...
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Water Chemistry in Oil and Gas Operations: Scales Properties and Composition
... pressure, barium sulfate scale precipitate ...the barium sulfate prob- ...rium sulfate formation can be predicted using thermodynamic and kinetics rela- tions ...the barium ...
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