Barium sulfate high reflectance materials used for polymer weatherability studies
نویسندگان
چکیده
منابع مشابه
Gluten content of barium sulfate suspensions used for barium swallows in patients with celiac disease.
PURPOSE To determine the availability and accuracy of information provided by hospitals, imaging centers, and manufacturers regarding gluten in barium sulfate suspensions. METHODS A total of 105 facilities were contacted via telephone to determine the gluten content of the contrast media used in those facilities. Manufacturers were contacted and their Web sites reviewed to determine the glute...
متن کاملBarium sulfate aspiration.
A woman was evaluated for dyspnea after she inhaled barium sulfate during an upper gastrointestinal barium study that was administered by means of a percutaneous endo scopic gastrostomy tube. A plain radiograph of the chest revealed alveolar barium sulfate depositions (arrows) in the middle lobe of the right lung and in the lower lobes and the posterior aspects of the upper lobes of both lungs ...
متن کاملEvaluation 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 acid (HCl) and other acids. Therefore, in this study, we focused on evaluating the dissolution of the industrial barite particles in different chelating agents. Chelating agents; such as, dieth...
متن کاملFlotation of Barium Sulfate Contaminants Soils
Flotation is, doubtless, the most important process among the various techniques used for the treatment of ore. This generalpurpose technique allows the treatment of several complex ores (lead zinc, copper zinc), sulphides (copper, lead, and zinc), oxides (hematite, quartz), oxidized minerals (malachite, cerusite) and even non-metal ores (fluorite, phosphate, coal). Due to the flotation, it is ...
متن کاملBarium sulfate bronchography. Report of a complication.
Alveolarization of the barium sulfate and subsequent retention of barium sulfate for years was demonstrated in three patients in whom dilute suspension of barium sulfate in water was used for bronchography. Pathologic examination in one patient showed barium sulfate within macrophages in the alveolar spaces and walls and in the perivascular and peribronchial interstitium. Since the residual bar...
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ژورنال
عنوان ژورنال: Journal of Light & Visual Environment
سال: 1983
ISSN: 0387-8805,1349-8398
DOI: 10.2150/jlve.7.2_14