Search Results - "Roach, R P"

Prevention of the ingress of a known virulent bacterium into the root canal system by intracanal medications by Roach, R P, Hatton, J F, Gillespie, M J

“…Contamination of the root canal system by persistent, enteric bacteria via leakage through interim restorations has been well documented. This in vitro study…”
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Progress on a microgravity dilution refrigerator by Roach, Pat R, Helvensteijn, Ben P.M

“…We have developed a shallow, single-cycle, helium dilution refrigerator that contains rather coarse metal sponge to study the ability to control the location…”
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General pulse tube theory by Kittel, P., Kashani, A., Lee, J.M., Roach, P.R.

“…A brief review of pulse tube thermodynamics is given. The underlying phenomena are described starting with a very simplified model. The concept of phasor…”
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Low-Cost, Compact Dilution Refrigerator by Roach, P. R., Gray, K. E., Dunlap, B. D.

“…We have developed a one-shot 3 He- 4 He dilution refrigerator using charcoal pumps that will cool below 0.015 K and will run at this temperature for more than…”
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Demagnetization experiments on some promising new compounds for very low-temperature refrigeration by Abraham, B. M., Ketterson, J. B., Roach, P. R., Pfeiffer, E. R.

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Magnetic Field Dependence of the Adiabatic Susceptibility Tensor of Powdered Cerium Magnesium Nitrate by Abraham, B. M., Ketterson, J. B., Roach, P. R.

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Some promising compounds for adiabatic demagnetization by Roach, P. R., Abraham, B. M., Ketterson, J. B., Greiner, R., Van Antwerp, W.

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Ion Motion in Dilute He 3 - He 4 Solutions at Ultralow Temperatures by Kuchnir, M., Ketterson, J. B., Roach, P. R.

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Velocity of Sound, Density, and Grüneisen Constant in Liquid He 4 by Abraham, B. M., Eckstein, Y., Ketterson, J. B., Kuchnir, M., Roach, P. R.

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Some Experiments on Powdered PrNi sub 5 in Contact With Liquid exp 3He by Roach, P R, Webb, R A, Ketterson, J B

“…Two sets of measurements on powdered PrNi sub 5 in contact with liquid exp 3He are reported: low-temp. magnetic susceptibility using SQUID magnetometer…”
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Thermal expansion, velocity of sound, and compressibility in liquid 3He under pressure by ROACH, P. R, ECKSTEIN, Y, MEISEL, M. W, ANIOLA-JEDRZEJEK, L

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Anomalous temperature dependence of the positive ion mobility in liquid 3He by Kuchnir, M., Ketterson, J. B., Roach, P. R.

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Sound propagation, density, and viscosity in liquid3He by Abraham, B. M., Chung, D., Eckstein, Y., Ketterson, J. B., Roach, P. R.

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Velocity of Sound Density, and Gruneisen Constant in Liquid He 4 by Abraham, B. M., Eckstein, Y., Ketterson, J. B., Kuchnir, M., Roach, P. R.

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Observation of Transverse Zero Sound in Normal He 3 by Roach, Pat R., Ketterson, J. B.

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Discrepancy in the Heat Capacity of Liquid He 3 by Roach, Pat R., Meisel, Mark W., Eckstein, Yakov

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Mobility of Positive and Negative Ions in Superfluid He 3 by Roach, Paul D., Ketterson, J. B., Roach, Pat R.

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New Relaxation Effect in the Sound Attenuation in Liquid He 4 Under Pressure by Roach, Pat R., Ketterson, J. B., Kuchnir, M.

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Anisotropy of the Propagation of Sound in the A Phase of Superfluid He 3 by Roach, Pat R., Abraham, B. M., Roach, P. D., Ketterson, J. B.

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Sound Propagation in Superfluid He 3 near the Polycritical Point by Roach, Pat R., Abraham, B. M., Kuchnir, M., Ketterson, J. B.

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