Simple performance model for ring and line cusp ion thrusters von Brophy, John R, Wilbur, Paul J

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Asteroid retrieval feasibility von Brophy, J. R., Friedman, L., Culick, F.

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The effect of discharge chamber wall temperature on ion thruster performance von Wilbur, Paul J, Brophy, John R

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Calculation of plasma properties in ion sources von Brophy, John R, Wilbur, Paul J

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One-Dimensional Hollow Cathode Model von Katz, Ira, Anderson, John R, Polk, James E, Brophy, John R

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An experimental investigation of cusped magnetic field discharge chambers von Brophy, John R, Wilbur, Paul J

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The flexible magnetic field thruster von Brophy, John R, Wilbur, Paul J

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J-series ion thruster isolator failure analysis von Campbell, J.W, Bechtel, R.T, Brophy, J.R

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In-flight performance of the NSTAR ion propulsion system on the Deep Space One mission von Polk, J.E., Kakuda, R.Y., Anderson, J.R., Brophy, J.R., Rawlin, V.K., Sovey, J., Hamley, J.

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Computer-controlled xenon ion engine operation von Brophy, John R

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TILTING DIAL GAUGE von WILLIAM R. BROPHY, JR

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MULTIANGLE GAUGE von WILLIAM R. BROPHY JR

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Ion thruster performance model von Brophy, J. R.

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Baffle Aperture Design Model for Electron Bombardment Thrusters von Brophy, John R, Wilbur, Paul J

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Miss. Lynch's Story von Brophy, R. J.

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Automatic hooksetting fishing rod holder von BROPHY, JR., HUGH J, BROPHY, SR., HUGH J

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Ceres Planetary Mission Concept Study: Exploration of Ceres' Habitability von Miller, K. E., Castillo-Rogez, J. C., Brophy, J. R., Bland, M., Buczkowski, D., Grimm, R., Hendrix, A., Prettyman, T., Quick, L., Scully, J., Sori, M., Titus, T., Sekine, Y., Williams, D., Yano, H., Zolensky, M.

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Baffle aperture design study of hollow cathode equipped ion thrusters von Brophy, J. R., Jr, Wilbur, P. J.

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Citizenship Training and Character Development von Brophy, J R

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