Results 31 to 40 of about 612,850 (309)

3D printing for bio-synthetic biliary stents [PDF]

open access: yes, 2019
Three-dimensional (3D) printing is an additive manufacturing method that holds great potential in a variety of future patient-specific medical technologies.
Alexander, Jonathan Steven   +10 more
core   +2 more sources

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

open access: yesНанотехнологии 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   +4 more
doaj   +1 more source

A study of x-ray radiation shielding properties of bricks contained barium sulfate

open access: yes, 2020
The x-ray room wall thickness is usually around 20-25 centimeters, using clay bricks and cement as material to create x-ray protective barrier for staffs and patients. Gain more space to provide a wall of X-ray room.
S. Kiatwattanacharoen   +5 more
semanticscholar   +1 more source

Formation and Application of High Reflectivity Controllable Barium Sulfate Microspheres

open access: yesCrystals, 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   +5 more
doaj   +1 more source

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

open access: yesJournal 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

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

open access: yesInternational 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   +2 more
doaj   +1 more source

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

open access: yesClinics, 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

open access: yesНеотложная 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   +2 more
doaj   +1 more source

In situ benthic fluxes from an intermittently active mud volcano at the Costa Rica convergent margin [PDF]

open access: yes, 2005
Along the erosive convergent margin off Costa Rica a large number of mound-shaped structures exist built by mud diapirism or mud volcanism. One of these, Mound 12, an intermittently active mud volcano, currently emits large amounts of aqueous dissolved ...
Hensen, Christian   +4 more
core   +1 more source

Simplifying and improving the extraction of nitrate from freshwater for stable isotope analyses [PDF]

open access: yes, 2011
Determining the isotopic composition of nitrate (NO3_) in water can prove useful to identify NO3_ sources and to understand its dynamics in aquatic systems.
Catherine E. Coxon   +10 more
core   +1 more source

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