… where M is the effective mass of the reacting particle. Thus, with the condition in Eqs. (2.…
thermal equilibrium, and with the reacting particle (mass M) moving in a potential U (x) that is …

Publisher Summary It is noted that colloidal particles can be effectively transported through
subsurface porous media under certain hydrogeochemical conditions. If present in large …

… on silica in 50 mM salt solution is about 0.3 mg m −2 . These are small amounts, since an
atomic monolayer corresponds to about 1–2 mg m −2 . Let us rationalize with the RSA model …

… ]}−p( K ̃ H H) n H ( K ̃ H H) n H {1+[( K ̃ H H) n H +( K ̃ M M) n M ]}+p( K ̃ M M) n M The ratio
n H /n M has a particularly strong influence on the exchange ratio since it is linearly related to it…

… automatic burets containing 0.25 M HCl, 0.25 M CO 2 -free KOH (Baker Dilut-It), 3.0 M KCl,
and pure … radius for the small silica particles in 1 M KCl solution at different pH values. Linear …

… radius versus time curve increases up to an electrolyte concentration of 0.75 M. Electrolyte
concentrations higher than 0.75 M lead to the same slope. This is an indisputable indication …

Superspreading events shaped the coronavirus disease 2019 (COVID-19) pandemic, and
their rapid identification and containment are essential for disease control. Here, we provide a …

The application of various experimental techniques for studying the properties of ternary
mixtures H 2 O-oil-nonionic amphiphile is demonstrated. Based on detailed knowledge of the …

… Prior to the experiments, the columns were stabilized with ∼200 pore volumes of 0.5 M …
/min, which corresponds to pore water velocities of 2.3−6.9 m/day. Prior to the experiments, the …

The calculationof chemical reaction rate constants is of importance to much of chemistry and
biology. Here we present our current understanding of the physical principles determining …