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Free Picture: Differential Scanning Calorimeter
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Description
Scott Bauer photograph of Christina Walters using a differential scanning calorimeter to detect phase-state changes of water and lipids in seeds. First she cools thin slices of seed tissues sealed in tiny aluminum pans (held in tweezers) to -170°C. The relationship she finds between a seed's water content, temperature at which its heat capacity changes, and size of the change give clues about the nature of glasses that form. She has her hands through an opening and in yellow rubber gloves, holding the sample in tweezers. Steam or mist is rising in front of her.
Keywords
caucasian, caucasian woman, caucasians, christina walters, department of agriculture, differential scanning calorimeter, differential scanning calorimeters, experiment, experiments, gloves, lab research, one person, one woman, people, person, research, rubber gloves, science, seed tissue, seed tissues, seeds, steam, tweezers, united states department of agriculture, us department of agriculture, usda lab research, woman, women, usda, free photography, free photo, free photos, free picture, free pictures, free image, free images
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