134,433 research outputs found

    Virgaurea limoni folia, Virga aurea et Solidago Saracenico, Herba Doria

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    1. Nome scientifico: Solidago mexicana L. (Asteraceae, compositae) Nome attuale: Verga d\u27oro del Messico 2. Nome scientifico: Solidago virgaurea L. (Asteraceae, Compositae) Nome attuale: Verga d\u27oro 3. Nome scientifico: Senecio doria L. (Asteraceae, Compositae) Nome attuale: Senecio erba-dori

    Rossi-Doria A., Le donne nella modernità, Pazzini, Villa Verucchio 2007

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    Recensione al volume: Rossi-Doria A., Le donne nella modernità, Pazzini, Villa Verucchio 200

    Doria nigripalpis Rondani 1859

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    Doria nigripalpis Rondani, 1859 ORIGINAL DESCRIPTION: 1859b: 174. TYPE LOCALITY: “ in collibus et planitie agri parmensis [Parmese plains and hills (Italy)]”. TYPE MATERIAL: 2 ♂♂, syntypes (one covered with mold; one missing left mid- and right hind-legs) (MZUF: Box 12): Doria Mgn / nigripalpis Rnd. / 588; 1 ♂, 1 ♀, syntypes (covered with mold; couple pinned together,) (MZUF: Box 12): Doria Mgn / nigripalpis Rnd. ♀ / 589; 1 ♀, syntype (missing hind-legs and abdomen) (MZUF: Box D): Doria Mgn nigripalpis R., 246, ♂, Parma / 393 246; 1 ♂, syntype (MSNC: Box DIPTERA Ex collezione Rondani - I): Doria Mgn. nigripalpis R. 63 ♂ Parma / Coll. Rondani, scatola n° 1, posiz. F-5 / Museo di Storia Naturale Università di Pisa, Calci (PI) ex collezione Rondani; 1 ♂, syntype (MSNPV: Box 96): Doria Mgn nigripalpis R., 126, ♂, Parma. CURRENT STATUS: junior synonym of Phorinia aurifrons (Robineau-Desvoidy, 1863) (Herting & Dely-Draskovits 1993: 141). REMARKS: Rondani (1859b: 174) described Doria nigripalpis without specifying the number or the sex of the specimens and not giving a range of lengths. We found seven syntypes in this study.Published as part of Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, pp. 1-438 in Zootaxa 4989 (1) on page 303, DOI: 10.11646/zootaxa.4989.1.1, http://zenodo.org/record/498062

    On Exact and Approximate Solutions for Hard Problems: An Alternative Look

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    We discuss in an informal, general audience style the da Costa-Doria conjecture about the independence of the P = NP hypothesis and try to briefly assess its impact on practical situations in economics. The paper concludes with a discussion of the Coppe-Cosenza procedure, which is an approximate, partly heuristic algorithm for allocation problems.P vs. NP , allocation problem, assignment problem, traveling salesman, exact solution for NP problems, approximate solutions for NP problems, undecidability, incompleteness

    A new two-step precipitation method removes free-SDS and Thiol reagents from diluted solutions, and then allows recovery and quantitation of proteins

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    Biochem Biophys Res Commun. 1994 Apr 29;200(2):916-24. A new two-step precipitation method removes free-SDS and thiol reagents from diluted solutions, and then allows recovery and quantitation of proteins. Carraro U, Doria D, Rizzi C, Sandri M. Source Department of Experimental Biomedical Sciences, University of Padua, Italy. Abstract Several polypeptides are present in a few copies per cell (i.e., membrane receptors or transcription factors), and therefore their concentration and quantitation from highly diluted solution after detergent solubilization is often an essential and difficult step in their purification by gel electrophoresis. A solution (optimized to Tris-glycine, Tris-borate, and Na-phosphate buffers) to all of these problems is here described, detailing a two-step procedure which takes advantage of the lower solubility of free potassium dodecyl sulfate (KDS) vs micellar KDS even at neutral pH. In the first step, more than 90% of free DS precipitates out from protein solution, the method being poorly sensitive to dodecyl sulfate/KCl ratio from almost no SDS to 10%. Indeed to obtain a residual 0.01% of SDS in the solution no adjustment of KCl concentration is needed from 0.1 to 2.3% SDS. When the supernatant is added with ice-cold TCA and K+, protein solubility is severely affected. Excellent protein recovery, at least 90%, is obtained with hydrophilic proteins. On the other hand, hydrophobic or low-ionic-strength-insoluble proteins are partially lost in step 1 precipitate, so that protein yield decreases, still remaining to about 80%. Furthermore our procedure simplifies determination of protein contents of diluted mercaptoethanol-SDS-solubilized proteins: since thiol reagents are discarded with the final supernatant, proteins can be quantitated in the final pellet by standard colorimetric methods. PMID: 8179627 [PubMed - indexed for MEDLINE

    The influence of aspect ratio and material on the sound radiation of low frequency modes of baffled cylindrical shells

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    The geometric properties of a simply supported cylindrical shell are defined by two aspect ratios: X = a/L and Y = h/a, where a, L and h are cylinder radius, length and thickness respectively. The material properties are defined by the aspect ratio Z = E/ρ of Young's modulus and the density, and by the Poisson ratio μ. The acoustic properties of low frequency modes in the case of steel and aluminum cylinders, the most important transition is that between the subsonic circumferential wavenumber and supersonic mode. For bronze cylinders, subsonic mode and edge mode are more common. A series of formulas and plots that helped to understand the radiation efficiency of low frequencies modes is presente

    CAJA 239 - LEGAJO IV - SIGNATURA 02

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    Documentación relativa al dictamen emitido sobre una Memoria referente a la construcción de las obras del Puerto de Valencia, escrita por D. Emilio Pastor y Doria.Pastor Y Doria, E. (1886). Documentación relativa al dictamen emitido sobre una Memoria referente a la construcción de las obras del Puerto de Valencia, escrita por D. Emilio Pastor y Doria. Real Sociedad Económica de Amigos del País de Valencia. https://riunet.upv.es/handle/10251/25172Importación Masiv
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