PubMed comprises more than 23 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.doi:10.1038/nchembio0506-223NoneNature Chemical Biology...
The International Union of Pure and Applied Chemistry (IUPAC) has a slightly different pH scale based on electrochemical measurements of a standardbuffer solution. Essentially, the definition uses the equation: pH = -log aH+ where aH+stands for hydrogen activity, which is the effective concentration...
7.4.5 Tunnel effect in chemistry An approximate formula for the temperature dependence of the reaction rate coefficient K is given by the Arrhenius equation: (7.4.21)K=exp(-QκT). where Q is an activation energy and κ is the Boltzmann constant. If the activation energy is constant, a ...
Similarly, we can find out the equation for any other curve by substituting the coordinates.Note:We must note that we can determine the equation of that curve only which consists of two parameters only. This is because in the above question, we are told that the curve...
In 1924, Stern made corrections to the theory accounting for the layer of counterions nearest the surface. When quantitative colloid chemistry came into existence, the “Kruyt” school (Verwey and Overbeek, 1948) routinely employed the Gouy–Chapman and Stern theories to describe the diffuse layer...
Learn the chemical process for respiration. Understand what happens during respiration and the different steps in the respiration equation.
ATP Carvalho,PA Fernandes,MJ Ramos - 《Journal of Physical Chemistry B》 被引量: 58发表: 2006年 A First-Order System Least-Squares Finite Element Method for the Poisson-Boltzmann Equation The Poisson-Boltzmann equation is an important tool in modeling solvent in biomolecular systems. In this art...
What is a reactant in chemistry? Reactants are the starting materials in a reaction that undergo a chemical change to form a product. Reactants are on the left side of the arrow in a chemical equation. What are some reactants? A few example of reactants are hydrogen and oxygen in ...
(integral calculus). Two mathematicians,Isaac Newtonof England andGottfried Wilhelm Leibnizof Germany, share credit for having independently developed the calculus in the 17th century. Calculus is now the basic entry point for anyone wishing to studyphysics, chemistry, biology,economics, finance, or ...
March, in Encyclopedia of Spectroscopy and Spectrometry, 1999 The Mathieu equation The canonical form of the Mathieu equation is [2]d2udξ2+(au−2qucos2ξ)u=0 where u represents the coordinate axes r and z,ξ is a dimensionless parameter equal to Ωt/2, Ω (for the ion trap) is ...