نتایج جستجو برای: barium carbonate

تعداد نتایج: 33289  

2012
Nyoung Keun Lee Chang Min Park Chang Hyun Kang Yoon Kyung Jeon Ji Yung Choo Hyun-Ju Lee Jin Mo Goo

OBJECTIVE To describe our initial experience with CT-guided percutaneous barium marking for the localization of small pulmonary nodules prior to video-assisted thoracoscopic surgery (VATS). MATERIALS AND METHODS From October 2010 to April 2011, 10 consecutive patients (4 men and 6 women; mean age, 60 years) underwent CT-guided percutaneous barium marking for the localization of 10 small pulmo...

هاشمی, سید حسام الدین, فربد, منصور,

In this work, barium zirconate nanoparticles were prepared by sol gel technique in four different conditions. In these conditions zirconium n-propoxide(Zr(OPrn)4) was used as the source of zirconium. Also barium hydroxide (Ba(OH)2.8H2O) and barium acetate (Ba(CH3COO)2) were used as the source of barium.Water and isopropyl alcohol were used as the solvents. The samples were characterized by SEM ...

2013
Zhong Hua Luo Alex Chung Gibok Choi Yih Huie Lin Huajin Pang Barry T. Uchida Dusan Pavcnik Miran Jeromel Frederick S. Keller Josef Rösch

BACKGROUND Barium sulfate powder used for radiopacity of experimental blood clots (EBCs) for testing mechanical thrombectomy devices (MTD) has negative effects on EBCs mechanical properties. In vitro and in vivo exploration was performed to determine if the iodine based contrast medium will have less negative effects on the EBCs than barium. MATERIALS AND METHODS Fresh blood from 2 swine was ...

2014
Jae Jin KO F. A. (Tony) MANN

Barium peritonitis is extremely rare, but is difficult to treat and may be life-threatening. Barium suspension leakage from the gastrointestinal tract into the abdominal cavity has a time-dependent and synergistically deleterious effect in patients who have generalized bacterial peritonitis. The severity of barium peritonitis is dependent on the quantity of barium in the abdominal cavity. Bariu...

Journal: :Environmental science. Processes & impacts 2015
Saifeldin M Siddeeg Nicholas D Bryan Francis R Livens

Sediment samples were collected from the vicinity of the abandoned South Terras uranium mine in south-west UK and analysed for uranium and (226)Ra to explore their geochemical dispersion. The radioactivity concentrations in the sediment samples were measured using alpha spectrometry for uranium, and gamma spectrometry for radium. Sequential chemical extraction was applied to selected sediments ...

2011
Nguyen Dinh Thang Ichiro Yajima Mayuko Y. Kumasaka Shoko Ohnuma Takeshi Yanagishita Rumiko Hayashi Hossain U. Shekhar Daisuke Watanabe Masashi Kato

Explosive increases in skin cancers have been reported in more than 36 million patients with arsenicosis caused by drinking arsenic-polluted well water. This study and previous studies showed high levels of barium as well as arsenic in the well water. However, there have been no reports showing a correlation between barium and cancer. In this study, we examined whether barium (BaCl(2)) may inde...

2016
Hideki Katagiri Alan Kawarai Lefor Tadao Kubota Ken Mizokami

AIM To review clinical experience with barium appendicitis at a single institution. METHODS A retrospective review of patients admitted with a diagnosis of acute appendicitis, from January 1, 2013 to December 31, 2015 was performed. Age, gender, computed tomography (CT) scan findings if available, past history of barium studies, pathology, and the presence of perforation or the development of...

Journal: :Journal of neurophysiology 2000
E Solessio D M Linn I Perlman E M Lasater

Müller cells are highly permeable to potassium ions and play a crucial role in maintaining potassium homeostasis in the vertebrate retina. The potassium current found in turtle Müller cells consists of two components: an inwardly rectifying component and a linear, passive component. These currents are insensitive to broadband potassium channel blockers, tetraethylammonium (TEA) and 4-aminopyrid...

ATAIE A., , SHEIKHI MOGHADDAM K., ,

Ultra-fine particles of barium hexaferrite have been synthesized by co-precipitation method using barium nitride and iron chloride precursors with a Fe/Ba molar ratio of 11. Co-precipitation was carried out at 25 and 80°C using NaOH as a precipitant. Effect of coprecipitation and annealing temperatures on the phase composition and morphology of the products have been investigated using XRD and ...

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