搜寻
发表于 2025-3-23 12:30:53
Thin Plates with Rapidly Varying Thickness, and their Relation to Structural Optimization,e thickness plates is a case in point: for certain problems, plates with “stiffeners” formed by rapid thickness variation can be stronger per unit volume than any traditional, uniform or slowly varying plates. To resolve such a design problem one must introduce a “generalized plate model,” represent
不朽中国
发表于 2025-3-23 16:16:37
http://reply.papertrans.cn/43/4282/428126/428126_12.png
STING
发表于 2025-3-23 18:07:40
Waves in Bubbly Liquids,ed of the mixture and τ = ρ. the specific volume. We have that.where the compressibility κ is defined by.i.e. the change of volume with respect to pressure. Now let us assume that density and compressibility of the mixture are simply the averages over the two component values.where subscripts denote
endocardium
发表于 2025-3-23 23:27:09
http://reply.papertrans.cn/43/4282/428126/428126_14.png
filial
发表于 2025-3-24 04:28:17
http://reply.papertrans.cn/43/4282/428126/428126_15.png
Aggressive
发表于 2025-3-24 09:05:36
http://reply.papertrans.cn/43/4282/428126/428126_16.png
易于出错
发表于 2025-3-24 14:36:38
http://reply.papertrans.cn/43/4282/428126/428126_17.png
LATHE
发表于 2025-3-24 14:54:39
Martin P. Bendsøe of structural change, found that the extent of structural change in the period 1950–75 varied widely between countries, with Australia exhibiting a relatively low level of change. We have performed similar calculations using data for nine ‘industrial’ sectors in a number of countries over the perio
排斥
发表于 2025-3-24 21:47:54
http://reply.papertrans.cn/43/4282/428126/428126_19.png
Frequency-Range
发表于 2025-3-25 01:12:24
G. W. Miltonlia‘s economic and political power from the moment of coloniIn his critical study of Australian imperialism, Erik Paul analyses the making, character and contours of the geopolitical state from the time of the British invasion and colonisation to the present, expanding the country’s continental poli