Results 231 to 240 of about 5,458,130 (295)
Advanced Functional Materials, EarlyView.In this work, diamonds with negative charged silicon‐vacancy (SiV−) centers have been designed for use as thermometers in biomedical applications. Multiparametric analysis of the emission characteristics of the SiV− centers provides extraordinary sensitivity for temperature detection in the physiological temperature range.
María Gragera +6 more
wiley +1 more source
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Fuel Effects on Operability of Aircraft Gas Turbine Combustors, 2021
Chemical Kinetics discusses the rate at which chemical reactions occur and how these rates can be expressed mathematically, with a review of the factors which affect reaction rates.
J. Park +11 more
semanticscholar +4 more sources
Chemical Kinetics discusses the rate at which chemical reactions occur and how these rates can be expressed mathematically, with a review of the factors which affect reaction rates.
J. Park +11 more
semanticscholar +4 more sources
Reaction mechanisms and chemical kinetics of mercury transformation during coal combustion
Progress in Energy and Combustion Science, 2020Mercury (Hg) emission from coal combustion has attracted considerable public concern because of its harmful effects on human health and the ecosystem.
Jing Liu
exaly +2 more sources
Chemical Kinetics and Dynamics [PDF]
Annals of the New York Academy of Sciences, 2003 Abstract: Chemical reactions correspond to irreversible processes creating entropy. Chemistry belongs to the class of nonintegrable Poincare systems. In general, chemistry is associated with resonances—transitions of quantum states. We have studied some very simple examples of such processes, like decay of an unstable state, in detail. (In such cases,
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Nonisothermal Chemical Kinetics
Nature, 1970IN a recent article1, MacCallum and Tanner suggest that the traditional homogeneous reaction rate expression is applicable only to isothermal processes, and that an additional term should be added when the ...
R M, Felder, E P, Stahel
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Journal of Theoretical Biology, 1971
Abstract We consider a “double isotope” experiment in which a precursor A1 and an expected intermediate A2 labeled with two different isotopes, say 14C and 3H, are simultaneously subjected to an enzymic preparation. Assuming a first order kinetic reaction scheme A1 → A2 → A3 → A4…, we prove certain inequalities for the expected ratios of 14C to 3H in
J L, Lebowitz, S I, Rubinow, S, Burstein
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Abstract We consider a “double isotope” experiment in which a precursor A1 and an expected intermediate A2 labeled with two different isotopes, say 14C and 3H, are simultaneously subjected to an enzymic preparation. Assuming a first order kinetic reaction scheme A1 → A2 → A3 → A4…, we prove certain inequalities for the expected ratios of 14C to 3H in
J L, Lebowitz, S I, Rubinow, S, Burstein
openaire +2 more sources
Current Opinion in Chemical Engineering, 2018
This contribution examines three different controversial questions that arise in the everyday practice of chemical kinetics. First, it is argued that concentrations should be used as independent variables in rate equations rather than activities.
G. Lente
semanticscholar +1 more source
This contribution examines three different controversial questions that arise in the everyday practice of chemical kinetics. First, it is argued that concentrations should be used as independent variables in rate equations rather than activities.
G. Lente
semanticscholar +1 more source
Chemical Kinetics and Catalysis
1995Utilizing a didactical approach, the authors describe the kinetic theory of catalytic reactions and kinetics is related to the molecular properties of the reacting species. The volume opens with a historical overview of how the fields of catalysis and kinetics developed.
Santen, van, R.A. +1 more
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SABRE: Chemical kinetics and spin dynamics of the formation of hyperpolarization.
Progress in nuclear magnetic resonance spectroscopy, 2019In this review, we present the physical principles of the SABRE (Signal Amplification By Reversible Exchange) method. SABRE is a promising hyperpolarization technique that enhances NMR signals by transferring spin order from parahydrogen (an isomer of ...
Danila A. Barskiy +3 more
semanticscholar +1 more source
1999
It is convenient to distinguish two types of chemistry in the solar system. The first is thermochemical chemistry driven by the thermal energy of the atmosphere. This type of chemistry is important, for example, in the interior of the giant planets where pressures and temperatures exceed 1000 bar and 1000 K, respectively.
Yuk L. Yung, William B. DeMore
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It is convenient to distinguish two types of chemistry in the solar system. The first is thermochemical chemistry driven by the thermal energy of the atmosphere. This type of chemistry is important, for example, in the interior of the giant planets where pressures and temperatures exceed 1000 bar and 1000 K, respectively.
Yuk L. Yung, William B. DeMore
openaire +2 more sources