In this experiment, we're going to find out how quickly water drains through three different types of soil: one heavy with sand, a potting soil, and soil heavy with clay. We're joined by BASF employee ...
A filter made from polymer nanothreads blew three kinds of commercial masks out of the water by capturing 99.9 percent of coronavirus aerosols in an experiment. The study compared the effectiveness of ...
A PAPER by Wilibald Schmidt, entitled “Experiments on the Velocity of Filtration of Different Liquids through Animal Membranes” (Ann. der Phys. u. Chem., 99, p. 337; 1856), records an observation ...
RECENTLY, Winzor and Nichol have suggested 1,2 that if velocities in the conventional moving boundary equation 3–5 for free electrophoresis are replaced by the reciprocals of corresponding elution ...
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