Testing (1) Microalgae (1) Water (1) Simplicity (1) Pipe (1) Percentage (1) Hypothesis (1) Fresh water (1) Foreign exchange (1) Food chains (Ecology) (1) Experience (1) Evidence (1) Equilibrium (1) Dilution (1) Day (1) Culture (1) Contamination (Technology) (1) Cesium (1) Cells (1) Cations (1) Blood--Circulation, Artificial (1) Addition (1) Weight (1) Attitudes (1) Relocation (1) Growth (1) Surfaces (1) First performances (1) Experiments (1) Animales--Crecimiento (1)