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Diffusion rate

Constraints on the 2H diffusion rate in firn from field measurements at Summit, Greenland

Constraints on the 2H diffusion rate in firn from field measurements at Summit, Greenland

... isotope diffusion rate worth further investigation, especially since (1) isotope diffusion has gained renewed attention, after the discovery (by Johnsen et ...the diffusion rate for 2 H ...

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Effect of Air Humidity on the Diffusion Rate of Migrating Corrosion Inhibitor in Mortars

Effect of Air Humidity on the Diffusion Rate of Migrating Corrosion Inhibitor in Mortars

... The diffusion rate of a migrating corrosion inhibitor in mortars under dry air and humid air conditions was studied by electrochemical impedance ...the diffusion rates of the inhibitor in mortars ...

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Diffusion Rate and Activity Index of Some Slow Release Nitrogen Fertilizer

Diffusion Rate and Activity Index of Some Slow Release Nitrogen Fertilizer

... urea diffusion with its release rate was mainly affected by the dissolving eroding process of the medium which was controlled by the compactness of the lattice ...

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Effects of Salts on Oxygen Diffusion Rate Measurements in Unsaturated Soils

Effects of Salts on Oxygen Diffusion Rate Measurements in Unsaturated Soils

... The experiments reported in this paper attempted to demonstrate the similarity of conditions discussed imme- diately above and use partially immersed electrodes to establish the magnit[r] ...

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Optimal diffusion rate of species in flowing habitat

Optimal diffusion rate of species in flowing habitat

... not exist. Then a similar argument to that in the proof of part (a) implies that u(x, t) →  and v(x, t) →  as t → ∞. This completes the proof. Theorem . tells us that a species with its dispersal rate within ...

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Over 95% of large scale length uniformity in template assisted electrodeposited nanowires by subzero temperature electrodeposition

Over 95% of large scale length uniformity in template assisted electrodeposited nanowires by subzero temperature electrodeposition

... Decreased diffusion coefficient and ion concentration gradient due to the lowered deposition temperature effectively reduces ion diffusion rate, thereby favors uniform nanowire ...

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A limiting current O 2sensor constituted of (CeO2 0.95 (Y 2O3 0.05 as solid electrolyte layer and (CeO 20.75 (ZrO 20.25 as dense diffusion barrier layer

A limiting current O 2sensor constituted of (CeO2 0.95 (Y 2O3 0.05 as solid electrolyte layer and (CeO 20.75 (ZrO 20.25 as dense diffusion barrier layer

... oxygen diffusion rate from ZDC layer. When the pumping rate of the YDC solid electrolyte is limited by the oxygen diffusion rate of the ZDC dense diffusion barrier and the ...

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Thermal preference of Caenorhabditis elegans: a null model and
empirical tests

Thermal preference of Caenorhabditis elegans: a null model and empirical tests

... the rate of diffusion increases linearly with the temperature of an individual nematode over the range of temperatures considered ...this diffusion rate to describe the probability that an ...

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ASSOCIATION RULE MINING BASED VIDEO CLASSIFIER WITH LATE ACCEPTANCE HILL 
CLIMBING APPROACH

ASSOCIATION RULE MINING BASED VIDEO CLASSIFIER WITH LATE ACCEPTANCE HILL CLIMBING APPROACH

... The diffusion rate of the gaseous product through the porous solid product layer is influenced by the pore size and ...effective diffusion coefficient which is modified by porosity and ...the ...

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Formulation and Evaluation of Extended Release Metoprolol Succinate Matrix Tablets.

Formulation and Evaluation of Extended Release Metoprolol Succinate Matrix Tablets.

... by diffusion of the dissolved drug through the swollen gel layer and generally shows a burst effect, caused by dissolution and leaching of drug particles present at the surface prior to formation of the ...

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Effect of Calcareous Sediments on Hydrogen Evolution Potential of 16Mn Steel in Seawater

Effect of Calcareous Sediments on Hydrogen Evolution Potential of 16Mn Steel in Seawater

... second diffusion mechanism, the rate of diffusion of hydrogen atoms will be stable and so the curve of hydrogen permeability current presents a platform; But for the steel covered with calcareous ...

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Convective stability of carbon sequestration in anisotropic porous media

Convective stability of carbon sequestration in anisotropic porous media

... the diffusion rate dominates the solute reaction ...reaction rate dominates the diffusion rate) there is a substantial instability ...

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Characteristics of aeration properties of orthic luvisol
from poland under different land use

Characteristics of aeration properties of orthic luvisol from poland under different land use

... oxygen diffusion rate (ODR) method consists in amperometric measurement of elec- tric current intensity corresponding to oxygen reduction on a platinum cathode placed in the soil and negatively polarised ...

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Automatic labeling of the fanning and curving shape of Meyer’s loop for epilepsy surgery: an atlas extracted from high-definition fiber tractography

Automatic labeling of the fanning and curving shape of Meyer’s loop for epilepsy surgery: an atlas extracted from high-definition fiber tractography

... for diffusion tensor imaging. We present an advanced diffusion data-based ML atlas and labeling protocol to reproduce anatomical features in individuals within a short ...(MGH-HCP) diffusion datasets ...

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Experimental and theoretical memory diffusion of water in sand

Experimental and theoretical memory diffusion of water in sand

... In the experiments we have observed that flux decreases over time to about 70% of initial value and that the volume of sand decreases by about 3%. Using empirical Fair and Hatch law for permeability, the sand volume and ...

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Effect of Kinetic Parameters on I 129 Activity from Fuel to Coolant in PWRs

Effect of Kinetic Parameters on I 129 Activity from Fuel to Coolant in PWRs

... DOI: 10.4236/wjnst.2017.74022 288 World Journal of Nuclear Science and Technology and are estimated using ORIGEN code. Then the fraction of I-129 that gets es- caped into the fuel-clad gap is estimated using ...

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Application of a Kinetic Model for Studying Impurities Effect on Crystallization of NaCl, KBr, ADP and Sucrose Solutions

Application of a Kinetic Model for Studying Impurities Effect on Crystallization of NaCl, KBr, ADP and Sucrose Solutions

... (ammonium dihydrogen phosphate). The step velocity in the directions of the faces of ADP crystals approached zero asymptotically as the impurity concentration was increased. Bliznakov and Nikolaeva [15], on the other ...

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Equilibrium and Kinetic adsorption studies of Rhodamine-B from aqueous solutions using cocoa (Theobroma cacao) shell as a new adsorbent

Equilibrium and Kinetic adsorption studies of Rhodamine-B from aqueous solutions using cocoa (Theobroma cacao) shell as a new adsorbent

... the rate of adsorption and this rate controls the equilibrium ...Intraparticle diffusion kinetic models were analyzed for the mechanism of RB adsorption by ...

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Abatement Pb (Ii) From Waste Water By An Agricultural Waste Sugarcane Bagasse

Abatement Pb (Ii) From Waste Water By An Agricultural Waste Sugarcane Bagasse

... layer diffusion effect whereas, in the later stages (linear portion of the curve) was due to the intraparticle diffusion ...intraparticle diffusion was not the only rate controlling step ...

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Lead removal from aqueous solutions by Bacillus subtilis

Lead removal from aqueous solutions by Bacillus subtilis

... The dead biomass of Bacillus subtilis was found to be an effective biosorbent for the removal of Pb (II) from an aqueous solution. The study showed that the temperature and pH of the solution strongly influenced the ...

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