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Showing 1-26 of 26 results for "329436" within Papers
J Mulopo et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 65(2), 324-331 (2012-01-12)
Batch regeneration of barium carbonate (BaCO(3)) from barium sulphide (BaS) slurries by passing CO(2) gas into a pilot-scale bubbling column reactor under ambient conditions was used to assess the technical feasibility of BaCO(3) recovery in the Alkali Barium Calcium (ABC)
Matthias Kellermeier et al.
Journal of colloid and interface science, 380(1), 1-7 (2012-06-05)
Under certain conditions, precipitation of barium carbonate in alkaline silica-rich environments affords unusual polycrystalline aggregates exhibiting curved shapes and hierarchical structuring, very much reminiscent of biogenic mineral tissues. The formation of these so-called silica biomorphs is thought to rely on
T K Koley et al.
The Journal of the Association of Physicians of India, 49, 656-657 (2001-10-05)
Areflexic quadriplegia due to barium carbonate (rat poison) poisoning is described in two young patients. These cases very closely resembled Guillain-Barre syndrome. The various effects of barium carbonate along with the pathogenesis of hypokalaemic paralysis are highlighted.
Y Sultana et al.
Pharmaceutical development and technology, 14(3), 321-331 (2009-02-25)
The main objective of the present study was to improve bioavailability of diltiazem hydrochloride and decrease the frequency of dosage form administration by increasing the encapsulation efficiency of the drug, residence time of the dosage form at the site of
Manoj Kumar Mahata et al.
Physical chemistry chemical physics : PCCP, 17(32), 20741-20753 (2015-07-25)
Ferroelectric BaTiO3 became a multifunctional material via doping of lanthanide ions (0.3 mol% Er(3+)/3.0 mol% Yb(3+)) and subsequently upconversion luminescence was enhanced by incorporation of Zn(2+) ions. Upconversion luminescence of BaTiO3:Er(3+)/Yb(3+) perovskite nanophosphor has been studied using 800 and 980
Xiaoan Cao et al.
Luminescence : the journal of biological and chemical luminescence, 20(4-5), 243-250 (2005-09-01)
In this paper, we propose a model of a sensor array system, which consists of three cataluminescence sensors based on nanosized SrCO3, gamma-Al2O3 and BaCO3 as catalysts, for quantitative analysis of the explosive gases of propane, n-butane and iso-butane in
Barium carbonate intoxication: an electrophysiological study.
A Kakar et al.
Journal of neurology, neurosurgery, and psychiatry, 65(4), 606-607 (1998-10-15)
Xiangzhong Li et al.
Isotopes in environmental and health studies, 47(3), 379-389 (2011-08-04)
Recent studies have shown that the stable carbon isotope compositions of dissolved inorganic carbon (δ(13)C(DIC)) of water samples preserved with HgCl(2) and CuSO(4) vary. Furthermore, mercury and cuprum compounds are toxic to the human or biological system and require proper
Miyako Akiyoshi et al.
Journal of hazardous materials, 132(2-3), 141-147 (2005-12-14)
Iron picrate (FePic) was synthesized under conditions similar to those that result in the natural deterioration of chemical weapons. Its thermal hazard was investigated by comparing it with iron picrate obtained by the chemical synthesis method (FePic(Ba)). FePic has eight
Viswanath R K Vadapalli et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 48(8), 933-938 (2013-03-15)
Sulphate removal from sodium sulphate-rich brine using barium hydroxide and recovery of the barium salts has been investigated. The sodium sulphate-rich brine treated with different dosages of barium hydroxide to precipitate barium sulphate showed sulphate removal from 13.5 g/L to
Pallawi Torka et al.
The American journal of emergency medicine, 27(5), 625-625 (2009-06-06)
Acute flaccid paralysis with its wide repertoire of causes presents a challenge to the clinician. We present a case of barium carbonate poisoning, a rare yet easily treatable cause of acute quadriparesis. Barium acts by redistribution of potassium from the
Mallikarjuna N Nadagouda et al.
Journal of hazardous materials, 188(1-3), 19-25 (2011-02-01)
BaCO(3) dispersed PVC composites were prepared through a polymer re-precipitation method. The composites were tested for sulfate removal using rapid small scale column test (RSSCT) and found to significantly reduce sulfate concentration. The method was extended to synthesize barium carbonate-loaded
Dong-Yun Gui et al.
ChemSusChem, 4(10), 1470-1474 (2011-10-14)
Lead-free (1-x)Ba(Zr₀.₁₅Ti₀.₈₅)O₃-x(K₀.₅Na₀.₅)NbO₃ ; x=0-0.05) (BZT-KNN) perovskite ceramics, a materials with potential applications for energy storage, are investigated. The samples are prepared by a solid-state reaction method. Powder X-ray diffraction (XRD) and scanning electron microscopy (SEM) are used to study the
Kevin V Brix et al.
Ecotoxicology and environmental safety, 73(7), 1646-1652 (2010-07-14)
A series of Toxicity Identification Evaluations (TIEs) to identify the cause(s) of observed toxicity to Ceriodaphnia dubia have been conducted on a hard rock mining effluent. Characteristic of hard rock mining discharges, the effluent has elevated (∼3000 mg l(-1)) total
Frank Hülsemann et al.
Isotopes in environmental and health studies, 43(4), 267-273 (2007-11-29)
Sodium bicarbonate administration to horses prior to competition in order to enhance the buffer capacity of the organism is considered as a doping offence. The analysis of the isotopic composition of urinary bicarbonate/CO(2) (TCO(2)) may help to identify an exogenous
Jian-Hua Zhu et al.
Chemical communications (Cambridge, England), (9)(9), 1106-1108 (2009-02-20)
A facile biomimetic method is reported for the synthesis of novel BaCO(3) nanofibres with double-stranded and cylindrical helical morphologies via a phosphonated block co-polymer-controlled mineralization process.
Xiaorang Tian et al.
Journal of hazardous materials, 160(2-3), 589-593 (2008-04-25)
In this study, the exploration of making acidproof fracturing proppants using red mud was carried out. The main raw materials are red mud and the refractory waste. During the exploration, three methods were explored to enhance the acid resistance of
Akemi Yasukawa et al.
Journal of colloid and interface science, 288(2), 468-474 (2005-06-02)
Particles of carbonated barium-calcium hydroxyapatite solid solutions (BaCaHap) with different Ba/(Ba+Ca) (X(Ba)) atomic ratios were prepared by a wet method at 100 degrees C and characterized by various means. The crystal phases and structures of the products strongly depended on
Ashutosh Dash et al.
Journal of hazardous materials, 168(2-3), 1126-1133 (2009-04-03)
An attempt to recover and purify 4.66 TBq(126Ci) of (137)Cs as solution from a 20-year-old doubly encapsulated sealed source containing (137)CsCl was made successfully. The primary capsule was first cut open to retrieve the secondary capsule. The top end of
Shuisheng Wu et al.
Inorganic chemistry, 48(21), 10326-10329 (2009-09-29)
In this paper, we report on biomineralization of BaCO(3) hierarchical architectures with self-cleaning ability. The phase structures of the obtained samples were characterized by X-ray diffraction (XRD). All of these complex nanostructures, including dendrite-like nanostructures, dumbbell-like nanostructures, and spherical nanostructures
J A Ippolito et al.
Journal of environmental quality, 35(6), 2333-2341 (2006-10-31)
In December 2003, the USEPA released an amended list of 15 "candidate pollutants for exposure and hazard screening" with regard to biosolids land application, including Ba. Therefore, we decided to monitor soil Ba concentrations from a dryland wheat (Triticum aestivum
P Dararutana et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 73(3), 440-442 (2008-12-17)
High refractive index (RI) glasses prepared from local quartz sand and compounds of heavy elements, such as, barium carbonate, lead oxide, and bismuth oxide as major ingredients were investigated using Raman spectroscopy. The results showed changes in glass structures of
Tongxin Wang et al.
Physical chemistry chemical physics : PCCP, 12(38), 11984-11992 (2010-09-08)
Nanocrystal superstructures of barium carbonate (BaCO(3)) which exhibit unusual morphologies are obtained by the carbon dioxide vapor diffusion technique in the presence of poly(ethylene oxide)-block-eicosa aspartate (PEO-b-Asp(20)). The highly effective bioconjugate acts as a crystal growth modifier over a broad
Wenjie Zhu et al.
Chemical communications (Cambridge, England), 48(68), 8544-8546 (2012-07-19)
We discovered that micelles of a thermo-responsive polypeptide-based copolymer are able to direct growth of barium carbonate (BaCO(3)) in the form of nanobelts. The BaCO(3) nanobelts tend to grow around a formed crystal, and curl into a spiral superstructure.
G H Kramer et al.
Health physics, 70(3), 418-424 (1996-03-01)
High level contamination was observed on two workers during a routine hand check of personnel leaving a laboratory where barium carbonate labeled with 14C was handled. A third worker was found to have been exposed to airborne 14C (carbonate) aerosol
D Ekeberg et al.
Carbohydrate research, 335(2), 141-146 (2001-09-25)
A simple, but low-yielding method for the synthesis of 3-hexuloses has been elaborated. Oxidation of 1,2:5,6-di-O-isopropylidenehexitols with bromine in the presence of barium carbonate, followed by mild-acid hydrolysis of the oxidation products gave the free hexuloses. Oxidation occurred at only
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