Results 251 to 260 of about 1,202,542 (306)
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Annual Review of Physical Chemistry, 1997
▪ Abstract The kinetics of solid state reactions generally cannot be assumed to follow simple rate laws that are applicable to gas-phase reactions. Nevertheless, a widely practiced method for extracting Arrhenius parameters from thermal analysis experiments involves force fitting of experimental data to simple reaction-order kinetic models.
S, Vyazovkin, C A, Wight
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▪ Abstract The kinetics of solid state reactions generally cannot be assumed to follow simple rate laws that are applicable to gas-phase reactions. Nevertheless, a widely practiced method for extracting Arrhenius parameters from thermal analysis experiments involves force fitting of experimental data to simple reaction-order kinetic models.
S, Vyazovkin, C A, Wight
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1998
Throughout much of this book we have emphasized the description of a system in terms of an equilibrium state. This approach is invaluable when we are beginning study and are not sure exactly what are the elements and the linkages that comprise the rules of the system under study. Still it seems to be a compulsive pulse taking that is stodgy.
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Throughout much of this book we have emphasized the description of a system in terms of an equilibrium state. This approach is invaluable when we are beginning study and are not sure exactly what are the elements and the linkages that comprise the rules of the system under study. Still it seems to be a compulsive pulse taking that is stodgy.
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Kinetic theory and reaction kinetics
2013While reaction rates are empirical in nature, collision theory does provide a means to estimate the reaction rate. Collision theory gives rise to the correct reaction rate dependence on concentrations and temperature. Based on collision theory, most viable reactions are bimolecular. Reactions with more than three molecules are unfavorable.
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Clinical Pharmacology & Therapeutics, 1978
An assay for polythiazide, sufficiently sensitive to measure plasma concentrations of this high‐potency diuretic agent, has been developed. The assay is based on acid hydrolysis to trifluoroethylthioacetaldehyde and electron‐capture gas chromatography. Sensitivity down to 0.2 ng/ml was achieved. In a study in normal human subjects receiving single 1‐mg
D C, Hobbs, T M, Twomey
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An assay for polythiazide, sufficiently sensitive to measure plasma concentrations of this high‐potency diuretic agent, has been developed. The assay is based on acid hydrolysis to trifluoroethylthioacetaldehyde and electron‐capture gas chromatography. Sensitivity down to 0.2 ng/ml was achieved. In a study in normal human subjects receiving single 1‐mg
D C, Hobbs, T M, Twomey
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Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, 2011
We propose and demonstrate Kinetic Tiles, modular construction units for kinetic animations. Three different design methods are explored and evaluated for kinetic animation with the Kinetic Tiles using preset movements, design via animation toolkit, and design via direct input.
Hyunjung Kim, Woohun Lee
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We propose and demonstrate Kinetic Tiles, modular construction units for kinetic animations. Three different design methods are explored and evaluated for kinetic animation with the Kinetic Tiles using preset movements, design via animation toolkit, and design via direct input.
Hyunjung Kim, Woohun Lee
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SIAM Journal on Applied Mathematics, 1971
A singular perturbation theory is developed for calculating the effects of finite-rate chemical kinetics on the regression rate of a semi-infinite flat plate of fuel placed in a gaseous oxidizer stream. The problem inherently is a coordinate expansion problem, and it is treated as such.
Krishnamurthy, L., Williams, F. A.
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A singular perturbation theory is developed for calculating the effects of finite-rate chemical kinetics on the regression rate of a semi-infinite flat plate of fuel placed in a gaseous oxidizer stream. The problem inherently is a coordinate expansion problem, and it is treated as such.
Krishnamurthy, L., Williams, F. A.
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Biophysics of Structure and Mechanism, 1980
Three mechanisms have been suggested to describe the inhibition of acetylcholinesterase (EC. 3.1.1.7) by an excess of acetylcholine. (i) Substrate inhibition occurs through the reaction of acetylcholine with acetylated enzyme. The deacetylation of this ternary complex is supposed to be completely inhibited.
P, Hofer, U P, Fringeli
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Three mechanisms have been suggested to describe the inhibition of acetylcholinesterase (EC. 3.1.1.7) by an excess of acetylcholine. (i) Substrate inhibition occurs through the reaction of acetylcholine with acetylated enzyme. The deacetylation of this ternary complex is supposed to be completely inhibited.
P, Hofer, U P, Fringeli
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Clinical Pharmacology and Therapeutics, 1982
Captopril, an angiotensin-converting enzyme inhibitor with antihypertensive properties, was given by mouth and intravenously in 10-mg doses to five healthy subjects. After intravenous dosing, semilogarithmic plots of captopril blood levels : time showed a triexponential decay. Data were analyzed using an open three-compartment model. The average volume
K L, Duchin +4 more
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Captopril, an angiotensin-converting enzyme inhibitor with antihypertensive properties, was given by mouth and intravenously in 10-mg doses to five healthy subjects. After intravenous dosing, semilogarithmic plots of captopril blood levels : time showed a triexponential decay. Data were analyzed using an open three-compartment model. The average volume
K L, Duchin +4 more
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Physical Review E, 1995
An approach to finding exact solutions to the binary fragmentation equation is presented. This approach is used to solve a general class of exact solutions with a fragmentation rate F(x,y)=(x+y${)}^{\mathrm{\ensuremath{\alpha}}}$\ensuremath{\delta}(x-y).
, Singh, , Rodgers
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An approach to finding exact solutions to the binary fragmentation equation is presented. This approach is used to solve a general class of exact solutions with a fragmentation rate F(x,y)=(x+y${)}^{\mathrm{\ensuremath{\alpha}}}$\ensuremath{\delta}(x-y).
, Singh, , Rodgers
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Clinical Pharmacology & Therapeutics, 1979
Piperacillin was administered to normal, healthy volunteers by an intravenous infusion over 30 min at dosage regimens of 12 gm daily (4 gm every 8 hr) and 24 gm daily (6 gm every 6 hr) for 5 consecutive days. Mean peak serum level after 12 gm daily was 244 ± 24 (SE) βg/ml and after 24 gm daily, 353 ± 7 βg/ml.
V K, Batra +3 more
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Piperacillin was administered to normal, healthy volunteers by an intravenous infusion over 30 min at dosage regimens of 12 gm daily (4 gm every 8 hr) and 24 gm daily (6 gm every 6 hr) for 5 consecutive days. Mean peak serum level after 12 gm daily was 244 ± 24 (SE) βg/ml and after 24 gm daily, 353 ± 7 βg/ml.
V K, Batra +3 more
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