forebear
发表于 2025-3-28 17:58:29
The Anthropological Theory of Johann Friedrich Blumenbach,blished a connection between the two concepts of race and environment by emphasizing the idea of historical development. This idea was to prove of fundamental importance for the evolutionary theories of the 19th century,. even though the assignation of a time-scale to nature put paid once and for al
admission
发表于 2025-3-28 19:48:18
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半球
发表于 2025-3-29 00:24:30
0068-0346 y. History of philosophy and historyof science scholars will find this book an essential reference work,as well as all those interested in 19th century history 978-90-481-4284-2978-94-017-2921-5Series ISSN 0068-0346 Series E-ISSN 2214-7942
intelligible
发表于 2025-3-29 03:06:30
Stefano Poggipers concerns chiral fields from a Minkowski space-time ℝ., hence one is dealing with a hyperbolic evolution equation, and the solutions found there were of soliton type, see for a detailed exposition of the dynamics of these solitons. The integrable character of the principal chiral model is a
纵欲
发表于 2025-3-29 09:42:10
William R. Woodward,Reinhardt Pesterpers concerns chiral fields from a Minkowski space-time ℝ., hence one is dealing with a hyperbolic evolution equation, and the solutions found there were of soliton type, see for a detailed exposition of the dynamics of these solitons. The integrable character of the principal chiral model is a
outer-ear
发表于 2025-3-29 12:42:43
H. A. M. Snelderscently that the techniques of integrable systems used in soliton theory have been employed to find large families of harmonic maps, especially from a surface to a homogeneous space; in some cases these techniques have given . harmonic maps, for example from 2-tori to spheres or complex projective sp
Malcontent
发表于 2025-3-29 15:50:49
Rudolf Stichwehcently that the techniques of integrable systems used in soliton theory have been employed to find large families of harmonic maps, especially from a surface to a homogeneous space; in some cases these techniques have given . harmonic maps, for example from 2-tori to spheres or complex projective sp
NEEDY
发表于 2025-3-29 20:40:31
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构想
发表于 2025-3-30 01:47:22
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受伤
发表于 2025-3-30 07:18:46
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