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Chemical reactivity under restricted geometry conditions can be described through the equations of the Pseudophase Model (a two state model). This model is based on the assumption of an equilibrium between these two states (free and bound) which is not perturbed by the reactive event. This implies that the reaction in which these states participate must be slow, in relation to the exchange processes...
The reported inactivation of Ascaris eggs during alkaline sludge stabilization is highly variable. The objective of our research was to better understand the sources of this variability by quantifying the effects of temperature, pH, and ammonia concentration on the inactivation of indigenous Ascaris eggs in wastewater sludge. Primary sludge was supplemented with ammonia (0, 1000, and 5000mg/l NH ...
Gastric cancer is one of the major causes of mortality in Japan, Chile and Central America. Even though their populations are composed of different races, have different diets, and different genetic factors, they have in common the fact that they are settled on lands of volcanic origin, rich in minerals, especially sulfur compounds. Minerals as well as vitamins are essential elements in the cellular...
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