Carcinogenesis
发表于 2025-3-23 12:28:11
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施魔法
发表于 2025-3-23 17:03:51
Hartmut Pohl the multitudes of scientists who have worked out the geology of Southern Africa over many years and decades. Whatever their discipline, each provided a step in the construction of this fascinating story of 3. 8 Ga of crustal development. In the book the reader will find a detailed review of the factual data,978-1-4613-8149-5978-1-4613-8147-1
GROWL
发表于 2025-3-23 19:43:24
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visual-cortex
发表于 2025-3-24 00:22:14
Ralph Jacobsty of a few watt at 80K. Measured test parameters include cooling loads, cooling temperature, input power, operating frequency and pressures. We evaluated two types phase shifter mechanisms, a double inlet type and an inertance tube type. To aid the design of cryocoolers, we developed a numerical an
在驾驶
发表于 2025-3-24 04:54:23
Gabriela Gahseich uses a mass balancer to reduce vibration. It is designed to lift a heat load of 2W at 60K, with a nominal rejection temperature of 300K. The characterization of the PSC involved a series of experiments, including cool-down to lowest temperature, design point verification, parameter optimization,
epicardium
发表于 2025-3-24 08:25:21
Dirk Fox,Torsten Henn,Klaus Reichel,Christoph Ruland to determine the MTTF for each function. These elements are introduced into the predictive calculation of the new design. The expected MTTF of the new cooler is then available..The results obtained by calculation are still only indicative. These results have to be verified as quickly as possible. T
POINT
发表于 2025-3-24 11:20:34
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单纯
发表于 2025-3-24 17:31:21
W. Thoben,H.-J. Appelrathrface heat pumping in the split pipe. A reduction of the enthalpy flow associated with surface heat pumping thus has the desired effect of decreasing the total heat load of the cold spot. A formulation is discussed that can be used to estimate the excess heat that has to be discarded at the warm end
华而不实
发表于 2025-3-24 19:48:09
Patrick Horster,Markus Michels,Holger Petersenw evaporation rate has to take second place to demands set by the experimental apparatus and its environment. For example, the neck tube has to be wide enough to pass over whatever is to be submerged in liquid helium and its length is usually determined by the distance between the floor and the ceil
才能
发表于 2025-3-24 23:14:55
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