Drainage, Models, Theoretical, Coal, Greenhouse Effect, Methane - chemistry, Water Wells, Coal Mining, Methane, Seepage, Laboratories, Spatial discrimination, Clean technology, Gas flow, Control surfaces, Mathematical models, Coalbed methane, Distribution functions, Static pressure, Stress concentration, Computer simulation, Permeability, Abandoned mines, Gr...
Phosphates, Metals, Rare Earth - isolation & purification, Lanthanum, Recycling, Neodymium, Citric Acid
Ocean circulation, Observations