[PDF] Top 20 Time dependency of hydrogen - ion concentration and
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Time dependency of hydrogen - ion concentration and
... T h e Rio Negro samples (midstream- surface) and all four BR-174 samples were analyzed for various constituents of ecological interest (see Table 1 ). Sulphur compounds, organics and [r] ... See full document
6
Effects of coronal leakage on concentration of hydrogen ions and calcium hydroxide release of several calcium hydroxide pastes over different periods of time
... absence! of! a! temporary! Rilling! material! interfered! negatively! on! concentration! of! hydrogen! ions! and!calcium! ions! release! of! CH! ...this! time,! possibly! ... See full document
10
Electrodiffusive model for astrocytic and neuronal ion concentration dynamics.
... astrocytes, and partly on intracellular transport (spatial buffering) within ...the time scale of seconds, demand a mathematical description able to account for the spatiotemporal variations in ... See full document
16
J. Braz. Chem. Soc. vol.19 número2
... components of diesel fuel are considered hazardous, due to their ...degradation of 16 PAHs using photo-Fenton and photo-Fenton- like processes in two different soil samples (S1 and S2) ... See full document
8
Using Tunisian Phosphate Rock and Her Converted Hydroxyapatite for Lead Removal from Aqueous Solution
... apatites of biological origin such as bone meal [15] and Apatite [16, 17], and phosphate rock ...use of tow minerals (Tunisian phosphate Rock [TPR] and Hydroxyapatite synthesized from ... See full document
8
Braz. Dent. J. vol.29 número1
... effects of tooth bleaching with high-concentration of hydrogen peroxide on alterations of translucency parameter (TP) and color of dentin and ...crown of ... See full document
5
Surface tension, hydrogen-ion potential and electrical conductivity in spray solutions of plant protection products and adjuvants
... addition of adjuvants can change the physicochemical properties of the spray solutions of plant protection products, improving the quality of the ...effects of the association of ... See full document
10
Uptake and Recovery of Lead by Agarose Gel Polymers
... capable of removing Pb(II) from solution ...entire time range. Kinetics of Pb(II) ions on biosorption on agarose gel was found to be dependent on experimental conditions, particularly the medium pH, ... See full document
7
Changes of structural and hydrogen desorption properties of MgH2 indused by ion irradiation
... njem raspodele veli čine čestica, pokazano je da dolazi do njihovog smanjenja, koje je isto u oba slu čaja. Kako je smanjenje veli čine čestica i kristalita kod oba mate- rijala isto i može se izuzeti iz parametara koji ... See full document
6
In-situ Production of Hydrogen Peroxide in an Ion-exchange Membrane Cell
... voltage and concentration of hydrogen peroxide produced are ...monitored. Concentration of hydrogen peroxide produced was determined by the permanganate titration method ... See full document
4
Formation of Hydrogen-Ion in Isomolar Solution of Hydrochloric and Hydrobromic Acids and Their Salts
... formation and the imperfection parameters can be a reference material for more accurate calculation of the concentration of hydrogen ions in sulfuric acid ...approach and ... See full document
10
A 500 year seasonally resolved δ<sup>18</sup>O and δ<sup>13</sup>C, layer thickness and calcite fabric record from a speleothem deposited in equilibrium of the Han-sur-Lesse cave, Belgium
... (Dreybrodt and Scholz, 2011), the wa- ter will reach calcite ...residence time in the Han-sur-Lesse epikarst is suggested to be longer than one year (Van Ram- pelbergh et ...ion concentration. ... See full document
42
J. Braz. Chem. Soc. vol.27 número9
... total of 11 trials with the effluent ...minimum and maximum values of 30 and 120 min for the digestion time and 0 and 100 µL for the hydrogen peroxide and ... See full document
8
Ambient sesquiterpene concentration and its link to air ion measurements
... schedules and the usage of different materials (woods, electrical heating) available ...ozone and wouldn’t have caused such a large effect, nor any other reaction plausible at that ...2 ... See full document
60
Natural variability in the surface ocean carbonate ion concentration
... simulation of the Community Earth System Model. CESM is a state-of-the-art coupled climate model consisting of atmo- sphere, ocean, land, and sea ice component models (Hurrell et ...olution ... See full document
15
J. Braz. Chem. Soc. vol.25 número9
... oxidation of bromide to bromine, which then reacts with the amino ...formation of bromine is supported by the spectrophotometric examination of the reaction ...bromine and the anion of ... See full document
7
Hydrogen-Ion Potential of Antibiotics According to the Environment Factors Temperature and Luminosity
... objective of this experimental study was to measure the pH of antibiotics administered by intravenous infusion - ceftriaxone sodium, vancomycin hydrochloride, metrodinazole, penicillin G potassium ... See full document
9
Braz. J. Pharm. Sci. vol.50 número4
... residues of both mannuronic acid and glucournic acid which are components of sodium alginate (Ravindra, Sabitha, ...humidity and a cool temperature. Aqueous solutions of sodium alginate ... See full document
8
Cold nuclear fusion reactor and nuclear fusion rocket
... characteristics of the electrostatic field, it is known that in static equilibrium, the charge is distributed in the conductor surface, power lines are perpendicular to the conductor surface, and conductor ... See full document
22
Energetic ion injection and formation of the storm-time symmetric ring current
... action of the co-existing gradient and curvature drifts, most ions and electrons tend to drift duskward and dawnward of the Earth, ...trajectories of ions with 90 ◦ pitch angle ... See full document
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