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Soil Science - Research

Note on back: "Brazilians (l to r) Julio Meira e Sa, Clemente Carneiro da Silva, Marivone Gonzaga de Almeida, and Waldeciro Colaco gather a cylinder of soil adjacent to the U of S experimental grain plots for isotopic and nutrient analysis. The students are undertaking two-year doctoral soil science studies at the University and will return to Brazil in the fall of 1978 to begin projects related to tropical soils".

Department of Chemical Engineering - Research

Note on back of photograph: "Dandina Nagarajo Rao (left) assembled the pilot plant in a chemical engineering laboratory at the U of S before taking it by truck to Prince Albert. Here, he discusses the plant's operation with Profs. N.N. Bakhshi (centre) and Doug Macdonald. The two containers at the top receive effluent from the pulp mill's bleach plant, the one on the left highly colored caustic effluent and the one on the right acid-containing effluent goes into the bottom right container where the fly ash is introduced. The acidified fly ash is then piped across to the bottom left container to treat the caustic effluent, which flows in from the top left container".

Quartz Crystal - Model

Note on back: "Dr. John Weil (seated) examines a model of a quartz crystal with Darbha Suryanarayana, a post-doctoral fellow whose employment is subsidized by the NRC [National Research Council] fund. The instrument in the background is an electron paramagnetic resonance spectrometer, which is used to analyze defects in quartz crystals".

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