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Showing 1 to 12 of 143 entries
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Application of polyelectrolyte complex nanoparticles to increase the lifetime of poly vinyl sulfonate scale inhibitor

EPSCoR Research Infrastructure Improvement Program AND Program Evaluation

Berkland C, Johnson S, Peltier K, Veisi M.
GSID: _X8i_VADjH0J
M Veisi, S Johnson, K Peltier, C Berkland… - … and Exhibition on …, 2018 - onepetro.org

Abstract Poly (vinyl sulfonate)(PVS) is an effective scale inhibitor in preventing the formation of barium sulfate. However, the low adsorption of PVS onto the rock results in a short squeeze treatment lifetime in reservoir. The application of nano-sized polyelectrolyte...

Controlled release of poly (vinyl sulfonate) scale inhibitor to extend reservoir treatment lifetime

EPSCoR Research Infrastructure Improvement Program AND Program Evaluation

Johnson S, Shafer‐Peltier K, Veisi M.
GSID: K9VQu-qO-OsJ
M Veisi, S Johnson, K Shafer‐Peltier… - Journal of Applied …, 2019 - Wiley Online Library

Precipitate scale formation is a major issue for the oil industry, plugging equipment, and reservoirs and resulting in increased operational costs. Poly (vinyl sulfonate)(PVS) is often used as a scale inhibitor to prevent the formation of barium sulfate scale....

The Effect of Stroke on Pharyngeal Laterality During Swallowing.

Annals of rehabilitation medicine

Yang S, Choi KH, Son YR.
PMID: 26361586
Ann Rehabil Med. 2015 Aug;39(4):509-16. doi: 10.5535/arm.2015.39.4.509. Epub 2015 Aug 25.

OBJECTIVE: To investigate whether patterns of dysphagia and swallowing laterality differ according to the location of brain lesions in patients with stroke.METHODS: Patients with stroke >20 years of age were enrolled in this study. A videofluoroscopic swallowing study (VFSS)...

Heterogeneous Nucleation and Growth of Barium Sulfate at Organic-Water Interfaces: Interplay between Surface Hydrophobicity and Ba(2+) Adsorption.

Langmuir : the ACS journal of surfaces and colloids

Dai C, Stack AG, Koishi A, Fernandez-Martinez A, Lee SS, Hu Y.
PMID: 27163157
Langmuir. 2016 May 31;32(21):5277-84. doi: 10.1021/acs.langmuir.6b01036. Epub 2016 May 18.

Barium sulfate (BaSO4) is a common scale-forming mineral in natural and engineered systems, yet the rates and mechanisms of heterogeneous BaSO4 nucleation are not understood. To address these, we created idealized interfaces on which to study heterogeneous nucleation rates...

Proper management for morbid iatrogenic retroperitoneal barium insufflation.

Annals of coloproctology

Vahedian-Ardakani J, Nazerani S, Saraee A, Sarmast A, Saraee E, Keramati MR.
PMID: 25580416
Ann Coloproctol. 2014 Dec;30(6):285-9. doi: 10.3393/ac.2014.30.6.285. Epub 2014 Dec 31.

A barium enema is a diagnostic and therapeutic procedure commonly used for colon and rectum problems. Rectal perforation with extensive intra- and/or extraperitoneal spillage of barium is a devastating complication of a barium enema that leads to a significant...

Massive Barium Sulfate Aspiration in the Bronchial Tree.

Internal medicine (Tokyo, Japan)

Ohkuma K, Saraya T, Tsujimoto N, Takizawa H.
PMID: 26278308
Intern Med. 2015;54(16):2081. doi: 10.2169/internalmedicine.54.4829. Epub 2015 Aug 15.

No abstract available.

[Applied anatomical studies on the pedicled lateral pedal musculocutaneous flap].

Zhejiang da xue xue bao. Yi xue ban = Journal of Zhejiang University. Medical sciences

Zhou JL, Zhu X, Zhang XM.
PMID: 12601913
Zhejiang Da Xue Xue Bao Yi Xue Ban. 2002 Aug;31(4):291-292. doi: 10.3785/j.issn.1008-9292.2002.04.016.

OBJECTIVE: To provide the anatomical basis for the repair of the soft tissue defects on the dorsum of the foot. METHODS: Sixty-eight low extremity specimens were taken from fresh cadavers. The arterial distributions of the foot were observed by...

The uncertainty of atomic mass fractions in a molecule.

Analytical and bioanalytical chemistry

Meyer VR.
PMID: 12879185
Anal Bioanal Chem. 2003 Oct;377(4):775-8. doi: 10.1007/s00216-003-2137-1. Epub 2003 Jul 22.

The mass fraction of a certain atom species in a molecule is needed for the calculation of the result of some chemical analyses. Common examples are gravimetric determinations (e.g., the sulfur concentration in a sample that can be obtained...

Raman spectroscopic analysis of the enigmatic Comper pigments.

Analytical and bioanalytical chemistry

Edwards HG, Wolstenholme R, Wilkinson DS, Brooke C, Pepper M.
PMID: 17242886
Anal Bioanal Chem. 2007 Mar;387(6):2255-62. doi: 10.1007/s00216-006-1113-y. Epub 2007 Jan 23.

An early church decoration project carried out by Sir Ninian Comper in 1896-98, involving the rood screen and canopy in St. Mary's, Egmanton, is currently undergoing restoration. Despite the rather prolific works of this famous ecclesiastical architect, there is...

Flow injection spectrophotometry coupled with a crushed barium sulfate reactor column for the determination of sulfate ion in water samples.

Talanta

Burakham R, Higuchi K, Oshima M, Grudpan K, Motomizu S.
PMID: 18969722
Talanta. 2004 Dec 15;64(5):1147-50. doi: 10.1016/j.talanta.2004.05.001.

A new type of a reactor column, a crushed BaSO(4) reactor column used for the flow injection spectrophotometric determination of sulfate ion using the exchange reaction of sulfate ion and barium-dimethylsulfonazo III is proposed. The column is very simple...

Interpretation of integrating sphere signal output for non-Lambertian samples.

Applied optics

Roos A, Ribbing CG.
PMID: 20539472
Appl Opt. 1988 Sep 15;27(18):3833-7. doi: 10.1364/AO.27.003833.

A new formalism is derived for the analysis of signal output from double-beam integrating spheres. The analysis explicitly considers the effects of port losses and a non-Lambertian sample surface and introduces a separation of the diffusely reflected light into...

Integrating sphere for measuring scattering loss in optical fiber waveguides.

Applied optics

Ostermayer FW, Benson WW.
PMID: 20134591
Appl Opt. 1974 Aug 01;13(8):1900-2. doi: 10.1364/AO.13.001900.

An integrating sphere for light scattered from fused silica optical fiber waveguides that is relatively simple to construct and easy to use is described. The novel feature is the use of a solid sphere of fused silica to facilitate...

Showing 1 to 12 of 143 entries