袋鼠
发表于 2025-3-28 17:20:07
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他日关税重重
发表于 2025-3-28 18:47:57
Heat Conduction in a Sphere,If the thermal conductivity . is constant, the general equation, when expressed in spherical polar coordinates, is. Where . is colatitude and φ longitude.
杂役
发表于 2025-3-28 23:31:24
Heat Conduction in a Cylinder,The equation of heat conduction in cylindrical coordinates (., ., .) is expressed as follows: . The case where temperature depends only on ., . and . is considered. There is thus a symmetry of revolution about the O. axis. The first equation becomes . where . is the radial abscissa.
慢跑鞋
发表于 2025-3-29 06:03:57
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Obliterate
发表于 2025-3-29 09:27:37
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或者发神韵
发表于 2025-3-29 15:06:27
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Desert
发表于 2025-3-29 16:29:27
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intelligible
发表于 2025-3-29 21:22:07
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beta-cells
发表于 2025-3-30 02:38:01
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narcotic
发表于 2025-3-30 05:50:50
Differential Scanning Calorimetry,In spite of the fact that there are so many differences between the gas chromatography technique and calorimetry, it may be of interest to compare these two techniques, at least for a while.