尊严
发表于 2025-3-23 11:52:53
Nicholas J. Cull,Michael K. Hawesose of previous researchers were successfully transmitted and received in a 1.7 K He II bath. Two sample traces of SSS pulses are presented. Extensive design requirements are outlined for highspeed thin-film thermometers and heaters used to transmit and receive SSS pulses. The heater and thermometer
联想记忆
发表于 2025-3-23 15:47:42
https://doi.org/10.1007/978-3-319-62015-2he sample is an oxygen free copper cylinder 20mm in diameter. It is mounted in a vacuum chamber for thermal insulation with an exposed surface facing upward into the He coolant. The heat transfer surface is polished by 0.5 μm alumina powder or oxidized by the chemicals. A thermofoil heater is attach
1分开
发表于 2025-3-23 20:00:50
https://doi.org/10.1007/978-1-349-13308-6 liquid temperatures of 1.8, 1.9, 2.0 and 2.1 K (He IIs), and under subcooled conditions for the same liquid temperatures at atmospheric pressure (He IIp). At the maximum heat flux, . ., of Kapitza conductance regime in He IIs, the heat transfer state changes from Kapitza conductance regime to film
jungle
发表于 2025-3-24 00:54:34
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euphoria
发表于 2025-3-24 04:34:22
https://doi.org/10.1007/978-1-349-13308-6pressure dependence of boiling modes around the λ temperature. For this purpose, detailed investigation is carried out with the aid of optical visualization and the pressure oscillation and the temperature oscillation measurements. All the experiments are conducted by using a single cryostat over th
seroma
发表于 2025-3-24 09:33:03
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圆柱
发表于 2025-3-24 14:25:25
https://doi.org/10.1057/9781137031457 can be used to study the flow through porous materials. This method appears to be better than conventional methods currently in use. Superfluid helium is a preferable test substance over ordinary fluids for two reasons. First, it has nearly zero contact angle for most substrates. Second, the superf
Hyperalgesia
发表于 2025-3-24 16:22:23
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BLAND
发表于 2025-3-24 19:26:25
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本土
发表于 2025-3-25 02:20:13
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