Results 11 to 20 of about 12,123 (231)

3D computed tomography-dacryocystography (3D CT-DCG) and the contrast agents: direct comparison of Lipiodol and barium sulfate [PDF]

Scientific Reports
To compare the performance of two contrast agents, barium sulfate and lipiodol, in the performance of 3D CT-DCG. A prospective interventional radiological study was performed on 15 lacrimal drainage systems of 14 patients who clinically presented with ...
Rafal Nowak, Izabela Nowak-Gospodarowicz, Aleksandra Kinga Kicinska, Marek Rękas, Maja Nowak, Mohammad Javed Ali   +5 more
doaj   +2 more sources

The Molecular Design of a Macrocycle Descaling Agent Based on Azacrown and the Mechanism of Barium Sulfate Scale Removal [PDF]

Molecules
The formation of barium sulfate scale is a persistent and formidable challenge across various industrial processes. In order to effectively mitigate this problem, this study proposed the development of an innovative azacrown ether-based macrocycle ...
Da Wu, Dexin Liu, Minghua Shi, Jiaqiang Wang, Han Zhao, Yeliang Dong   +5 more
doaj   +2 more sources

Simulation and experimental study of calcium sulfate and barium sulfate scale formation and Inhibition in petroleum engineering [PDF]

Scientific Reports
Petroleum engineering could engage numerous challenges caused by sulfate mineral precipitation and deposition. This severe critical issue which could directly lead to production reduction, was investigated in this study.
Zahra Zare, Leila Mahmoodi, M. Reza Malayeri   +2 more
doaj   +2 more sources

An Esophagogram or Tracheobronchogram? A Review of Barium Sulfate Aspiration [PDF]

Journal of Investigative Medicine High Impact Case Reports, 2018
The barium swallow is an important radiological investigation used for the diagnosis of upper gastrointestinal anatomical disorders like esophageal cancer, diverticulum, achalasia, foreign body, among others.
Mohsin Hamid MD, Waqas Ullah MD, Mamoon Ur Rashid MD, Waseem Amjad MD, Maryam Mukhtar MBBS, Abu Hurairah MD   +5 more
doaj   +2 more sources

Optimization of the composition and properties of a ceramic composite based on barite and bentonite [PDF]

Нанотехнологии в строительстве
Introduction. Currently, barium sulfate is actively used in various industries, including paper manufacturing, construction, paints and coatings, rubber, chemical, metallurgical, and electrical engineering industries, as well as in agriculture and ...
Zhanbolot K. Aidaraliev, Askarbek T. Kainazarov, Burulcha Rashid kyzy, Inna N. Pugacheva, Akzhol Suiunbek uulu   +4 more
doaj   +1 more source

Formation and Application of High Reflectivity Controllable Barium Sulfate Microspheres

Crystals, 2018
This paper investigated the influence of reaction conditions on particle morphology. X-ray powder diffraction (XRD), particle size distribution (PSD), and scanning electron microscopy (SEM) were used to characterize the morphology of barium sulfate.
Yuejiao Liu, Xiaoyan Guo, Qingyang Gu, Guangxiang He, Suohe Yang, Haibo Jin   +5 more
doaj   +1 more source

Prediction and Inhibition of Inorganic Salt Formation under Static and Dynamic Conditions – Effect of Pressure, Temperature, and Mixing Ratio

International Journal of Technology, 2016
As a result of waterflooding, inorganic salt precipitation occurs in the different parts of an oil production system, thereby leading to damage of production equipment. Different parameters affect the kinetics of salt precipitation.
Azizollah Khormali, Dmitry G. Petrakov, Anar R. Farmanzade   +2 more
doaj   +1 more source

Thermodynamic Study of Water Activity of Single Strong Electrolytes [PDF]

Journal of Applied and Computational Mechanics, 2017
Today, due to the natural decline of oil exploitation, the use of methods of oil recovery, has made significant progress. However, these methods are accompanied by accumulation and deposition of mineral deposits in oil field installations. In the present
Seyed Hossein Hashemi
doaj   +1 more source

Study on the Correlation between Barium Radiography and Pulmonary Infection rate in the Evaluation of Swallowing Function

Clinics, 2018
OBJECTIVES: To compare the results respectively obtained from the utilization of 60% barium sulfate suspension and Iohexol as contrast agents for videofluoroscopic swallowing studies and the relationship between the clinical application of the two kinds ...
Jie Sun, Zeheng Li
doaj   +1 more source

Features of the Clinical Course, Diagnosis and Intensive Care of Acute Barium Poisoning

Неотложная медицинская помощь, 2022
Acute barium poisoning is a rare but extremely dangerous type of poisoning in the structure of chemical injuries. The article provides a brief overview of the pathogenesis, clinical course and principles of intensive therapy of acute intoxication with ...
A. A. Stopnitsky, R. N. Akalayev, A. M. Khadzhibayev   +2 more
doaj   +1 more source