Results 31 to 40 of about 264,410 (164)

A chemical model for barium oxide depletion from hollow cathode’s insert

, 2007
In this paper a chemical model to predict barium oxide depletion from hollow cathode insert is developed. This model is based on the knowledge of the ternary diagram that exists in the BaO-CaO-Al2O3 system.
Coletti, M., Michele Coletti, Stephen Gabriel, Gabriel, S.B.   +3 more
core   +2 more sources

Barium sulfate (respirable fraction) [MAK Value Documentation, 2017]

, 2017
The German Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area has re‐evaluated barium sulfate [7727‐43‐7]. Barium sulfate is a biopersistent granular dust.
Hartwig, A, et al, Arand, Michael; https://orcid.org/, MAK Commission   +3 more
core   +2 more sources

Static and dynamic evaluation of formation damage due to barium sulfate scale during water injection in carbonate reservoirs

Journal of Petroleum Exploration and Production Technology, 2023
One of the major challenges during water injection into oil reservoirs is mineral scales formation. Barium sulfate is one of the hardest inorganic scales in oil fields and insoluble in chemical solvents. Therefore, in this study, the formation conditions
Vahid Valadbeygian, Mastaneh Hajipour, Mohammad Behnood   +2 more
doaj   +1 more source

Barium appendicitis

Clinical Case Reports, 2021
We have presented a case of barium appendicitis, which is a rare complication of barium enema studies. Barium sulfate is used widely for gastrointestinal radiographic studies and is associated with few complications.
Daisuke Omura, Naoko Yunoki, Yuki Otsuka, Yasuhiro Nakano, Hideharu Hagiya, Fumio Otsuka   +5 more
doaj   +1 more source

Understanding barium sulfate precipitation onto stainless steel [PDF]

, 2008
This paper investigates the influence of barium sulfate scaling and scaling inhibitors on the electrochemical behaviour of stainless steel. The results of a synchrotron radiation grazing incidence X-ray diffraction (SR-GIXRD) and electrochemical ...
Jones, P., De Marco, Roland, Pejcic, B, Rohl, A L, Jones, P, Jones, Franca, Jones, F, Pejcic, Bobby, Rohl, Andrew, De Marco, R   +9 more
core   +2 more sources

Incon; Dalkon Ring

, 1965
Chemically inert Ultrathane ring, impregnated with barium sulfate for radiopacity. Blue 000 nylon monofilament cervical threads. See also: U.S. Patent No.
Johns Hopkins Hospital, Baltimore, Md., Urethane; Nylon; Barium sulfate   +1 more
core   +1 more source

Small bowel obstruction exacerbated by barium sulfate administration

Human Pathology: Case Reports, 2019
Small bowel obstruction (SBO) is a commonly encountered medical condition, typically a result of extrinsic causes, including post-operative adhesions. Less frequently, intrinsic and intraluminal factors may cause obstruction.
Whitney L. Reid, DO, Jesse L. Cox, MD, PhD, Karen L. Pennington, Philip McCarthy, DO, Vishal M. Kothari, MD, FACS, Samuel M. Cohen, MD, PhD   +5 more
doaj   +1 more source

Method Research on Determination of Barium Sulfate in Barite by X-ray Fluorescence Spectrometry

Yankuang ceshi, 2017
X-ray Fluorescence Spectrometry (XRF) can be used to rapidly determine the total content of barium in barite. However, the barium carbonate included in the total barium will result in inaccurate results of barium sulfate. Moreover, copper, lead, zinc and
CHEN Jing-wei, SONG Jiang-tao, CHEN Zhao-yang   +2 more
doaj   +1 more source

Synthesis of barium sulfate in the variation of temperature and additive concentration

MATEC Web of Conferences, 2018
Barium sulfate (BaSO4) with fine sizes is important for many applications. Barium Sulfate (BaSO4) is suitable for applications as diverse as whiteness, inertness and high density.
Ali Waleed, Putranto Wahyu, Muryanto Stefanus, Bayuseno Athanasius   +3 more
doaj   +1 more source

A high-throughput tubular reactor for preparation of ultrafine barium sulfate

Journal of Chemical Research
Conventional barium sulfate is characterized by large particle size, crude manufacturing processes, and inferior quality. Conversely, ultrafine barium sulfate offers significant enhancements in product quality and broadens its range of applications.
Yue Liu, Guo-en Li
doaj   +1 more source