984 resultados para Scale [1:7,000,000].None
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No more published.
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Includes index.
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Second reader illustrated by Maud and Miska Petersham; third-fourth reader illustrated by Willy Pogany. Third-eighth reader by Franklin. T. Baker and Ashley H. Thorndike; second reader by Franklin T. Baker, Ashley H. Thorndike and Mildred Batchelder.
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Continued as the American anatomical memoirs.
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CIS Microfiche Accession Numbers: CIS 81 H721-1
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No more published.
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Kyōto-fu zenzu fold. col. map (scale: 1:180,000) inserted at end of v. 2.
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Elbert D. Thomas, chairman.
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Mode of access: Internet.
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Vorbesitzer: Gustav Freytag
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[GRAPHICS] A biosynthetic scheme rationalizing the formation of (+/-)-1,7-dioxaspiro[5.5]undecane (5) in the fruit fly species Bactrocera cacuminata and Bactrocera oleae (olive fruit fly) is presented. Incorporation studies with deuterium-labeled keto aldehyde (10), 1,5-nonanediol (11), and 1,5,9-nonanetriol (12), and our previous finding that both oxygen atoms of 5 originate from dioxygen, are strongly evidentiary. The racemic condition of the natural spiroacetal 5 is accounted for, and inter alia, it is demonstrated that dihydropyran (18) is not an important intermediate en route to 5.
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A new approach to enantiomerically pure 2,8-dialkyl-1,7-dioxaspiro[5.5]undecanes and 2,7-dialkyl-1,6-dioxaspiro [4.5] decanes is described and utilizes enantiomerically pure homopropargylic alcohols obtained from lithium acetylide opening of enantiomerically pure epoxides, which are, in turn, acquired by hydrolytic kinetic resolution of the corresponding racemic epoxides. Alkyne carboxylation and conversion to the Weinreb amide may be followed by triple-bond manipulation prior to reaction with a second alkynyllithium derived from a homo- or propargylic alcohol. In this way, the two ring components of the spiroacetal are individually constructed, with deprotection and cyclization affording the spiroacetal. The procedure is illustrated by acquisition of (2S,5R,7S) and (2R,5R,7S)-2-n-butyl-7-methyl-1,6-dioxaspiro[4.5]-decanes (1), (2S,6R,8S)-2-methyl-8-n-pentyl-1,7-dioxaspiro[5.5]undecane (2), and (2S,6R,8S)-2-methyl-8-n-propyl-1,7-dioxaspiro[5.5]undecane (3). The widely distributed insect component, (2S,6R,8S)-2,8-dimethyl-1,7-dioxaspiro[5.5]undecane (4), was acquired by linking two identical alkyne precursors via ethyl formate. In addition, [H-2(4)]-regioisomers, 10,10,11,11-[H-2(4)] and 4,4,5,5-[H-2(4)] of 3 and 4,4,5,5-[H-2(4)]-4, were acquired by triple-bond deuteration, using deuterium gas and Wilkinson's catalyst. This alkyne-based approach is, in principle, applicable to more complex spiroacetal systems not only by use of more elaborate alkynes but also by triple-bond functionalization during the general sequence.
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O livro do profeta Dêutero-Isaías aborda que Javé vem consolar seu povo exilado na Babilônia. O rei estrangeiro Ciro, no texto de Is 45,1-7 é intitulado de Messias de Javé. Portanto, esta pesquisa tem como objetivo refletir sobre o título messiânico atribuído ao rei Ciro, no contexto do exílio babilônico. Para isto, analiso algumas contribuições de diversos autores e autoras da área bíblica, explorando a diversidade de pesquisas sobre este tema. Há muitas interpretações sobre o significado do título messiânico atribuído ao rei Ciro, entre elas, há quem define Ciro como o Messias de Javé, ou seja, Ciro como libertador dos exilados e não como o substituto da esperança messiânica em um Messias proveniente da casa de Davi. Neste trabalho, discuto ainda a esperança messiânica, manifesta no período exílico e pós-exílico, destacando a fé que as comunidades messiânicas exerciam nestes períodos. Enfim, analiso o messianismo das comunidades pós-macabaicas e neo-testamentárias na tentativa de descobrir se Ciro era uma figura messiânica, nestes períodos.