Vita di Lorenzo de' Medici, detto Il Magnifico. Versione dall'inglese del cavalier Gaetano Mecherini.

"Poesie del Magnifico Lorenzo de' Medici": p. 1-56 at end of vol. 4.

Riflessioni notomiche di Nicola Giraldi professore di notomia e chirurgia sopra le censure ultimamente date alla luce contro il dottissimo medico Ermanno Boerave dal signor Gaetano Petrioli chirurgo di Sua Maesta sarda, e Pastor Arcade.

Mode of access: Internet.

Iscrizioni latine ne' funebri solenni di monsignor arciprete conte Gaetano Oppizzoni : recate in lingua italiana /

Acquisition made accessible thanks to the generous support of the Frederick J. and Margret L. Worden Endowment.

Notizie sulla vita e sulle opere de Monsignore Gaetano Marini primo custode della biblioteca vaticana e prefetto degli archivj segreti della Santa Sede /

Mode of access: Internet.

The science of legislation, from the Italian of Gaetano Filangieri ...

Translated by Richard Clayton.

Lettera filologico-critica al ch. D.Gaetano Nirico.

Mode of access: Internet.

Orazione in lode di Iacopo Antonio Perti di Crevalcore, professore di contrappunto, recitata da Gaetano Atti per la distribuzione dei premi del 1844.

"Autori che han trattato del Perti e fonti onde si sono attinte le sue notizie": p.31-32.

Estudo e análise técnica e interpretativa do papel principal de tenor nas óperas Lucia di Lammermoor (Edgardo) e L' Elisir d' Amore (Nemorino) de Gaetano Donizetti

Nesta dissertação pretendemos analisar a interpretação do papel do tenor nas óperas Lucia di Lammermoor e L´Elisir d´Amore de Gaetano Donizetti, estudando os principais fatores que influenciaram a interpretação do papel do tenor e como esta mudou ao longo dos anos, por comparação de gravações destas óperas com 50 anos de intervalo entre si. O período do bel canto está associado à linha de canto ornamentada para exprimir emoções, o que, em conjunto com outros aspetos, fez com que a voz de tenor passasse a ter uma emissão distinta, especialmente no registo agudo. O contexto histórico e musical desta época, bem como os desenvolvimentos técnicos que se verificaram, influenciaram a forma de cantar e introduziram o tenor como papel principal nas óperas, com todos os desafios de cantar na zona de passagem, de domínio da respiração e de respeito pelas diversas formas de expressão musical que os compositores do período do bel canto usavam como veículos de interpretação e expressão dos sentimentos. A escolha destas duas óperas de Donizetti assenta num gosto pessoal e no meu interesse em estudar os contrastes dos personagens Edgardo e Nemorino, que são apresentados nesta dissertação sob o ponto de vista interpretativo, analisando a problemática de cada papel e a forma como o percurso tonal destas obras influencia as performances dos intérpretes; Abstract: STUDY AND ANALYSIS TECHNICAL-INTERPRETATION OF THE LEADING ROLE OF THE TENOR IN THE OPERAS LUCIA DI LAMMERMOOR (EDGARDO) AND L´ELISIR D´AMORE (NEMORINO) OF GAETANO DONIZETTI In this dissertation we analyze the interpretation of the tenor role in the operas Lucia di Lammermoor and L´Elisir d´Amore by Gaetano Donizetti, studying the major factors that influenced the tenor role interpretation and how it developed along the years, by comparing two recordings of these operas recorded 50 years apart from each other. The period of the bel canto is associated with the vocal ornamentation to express emotions which, as a consequence and together with other aspects, required technical changes to the tenor voice, in particular the high register. The historic and musical context of this time, as well as the technical developments that happened then, influenced the way of singing and introduced the tenor as the main role in operas, with all the challenges to sing in the passagio, to master the breathing process and to use all the forms of musical expression that the bel canto composers used as vehicles to interpret and express feelings. The choice of these two operas by Donizetti is based on personal taste and also on the interpretative contrasts between the roles of Edgardo and Nemorino, studied in this dissertation in terms of their interpretation, their problematic and how the harmony of these operas influences the interpretation of the singers.

A motor controller using field oriented control and Hall effect rotor position sensors : simulation and implementation

A field oriented control (FOC) algorithm is simulated and implemented for use with a permanent magnet synchronous motor (PMSM). Rotor position is sensed using Hall effect switches on the stator because other hardware position sensors attached to the rotor may not be desirable or cost effective for certain applications. This places a limit on the resolution of position sensing – only a few Hall effect switches can be placed. In this simulation, three sensors are used and the position information is obtained at higher resolution by estimating it from the rotor dynamics, as shown in literature previously. This study compares the performance of the method with an incremental encoder using simulations. The FOC algorithm is implemented using Digital Motor Control (DMC) and IQ Texas Instruments libraries from a Simulink toolbox called Embedded Coder, and downloaded into a TI microcontroller (TMS320F28335) known as the Piccolo via Code Composer Studio (CCS).

Environmentally benign Fe chelates in plant nutrition

The low solubility of iron (Fe) depresses plant growth in calcareous soils. In order to improve Fe availability, calcareous soils are treated with synthetic ligands, such as ethylenediaminetetraacetic acid (EDTA) and ethylenediimi-nobis(2-hydroxyphenyl)acetic acid (EDDHA). However, high expenses may hinder their use (EDDHA), and the recalcitrance of EDTA against biodegra-dation may increase the potential of cadmium (Cd) and lead (Pb) leaching. This study evaluated the ability of biodegradable ligands, i.e. different stereo-isomers of ethylenediaminedisuccinic acid (EDDS), to provide Fe for lettuce (Lactuca sativa L.) and ryegrass (Lolium perenne cv. Prego), their effects on uptake of other elements and solubility in soils and their subsequent effects on the activity of oxygen-scavenging enzymes in lettuce. Both EDTA and EDDHA were used as reference ligands. In unlimed and limed quartz sand both FeEDDS(S,S) and a mixture of stereo-isomers of FeEDDS (25% [S,S]-EDDS, 25% [R,R]-EDDS and 50% [S,R]/[R,S]-EDDS), FeEDDS(mix), were as efficient as FeEDTA and FeEDDHA in providing lettuce with Fe. However, in calcareous soils only FeEDDS(mix) was comparable to FeEDDHA when Fe was applied twice a week to mimic drip irrigation. The Fe deficiency increased the manganese (Mn) concentration in lettuce in both acidic and alkaline growth media, whereas Fe chelates depressed it. The same was observed with zinc (Zn) and copper (Cu) in acidic growth media. EDDHA probably affected the hormonal status of lettuce as well and thus depressed the uptake of Zn and Mn even more. The nutrient concentrations of ryegrass were only slightly affected by the Fe availability. After Fe chelate splitting in calcareous soils, EDDS and EDTA increased the solubility of Zn and Cu most, but only the Zn concentration was increased in lettuce. The availability of Fe increased the activity of oxygen-scavenging enzymes (ascorbate peroxidase, guaiacol peroxidase, catalase). The activity of Cu/ZnSOD (Cu/Zn superoxide dismutase) and MnSOD in lettuce leaves followed the concentrations of Zn and Mn. In acidic quartz sand low avail-ability of Fe increased the cobalt (Co) and nickel (Ni) concentrations in let-tuce, but Fe chelates decreased them. EDTA increased the solubility of Cd and Pb in calcareous soils, but not their uptake. The biodegradation of EDDS was not affected by the complexed element, and [S,S]-EDDS was biodegraded within 28 days in calcareous soils. EDDS(mix) was more recalcitrant, and after 56 days of incubation water-soluble elements (Fe, Mn, Zn, Cu, Co, Ni, Cd and Pb) corresponded to 10% of the added EDDS(mix) concentration.

Scopophobia/Scopophilia: electric light and the anxiety of the gaze in postwar American architecture

In the years of reconstruction and economic boom that followed the Second World War, the domestic sphere encountered new expectations regarding social behaviour, modes of living, and forms of dwelling. This book brings together an international group of scholars from architecture, design, urban planning, and interior design to reappraise mid-twentieth century modern life, offering a timely reassessment of culture and the economic and political effects on civilian life. This collection contains essays that examine the material of art, objects, and spaces in the context of practices of dwelling over the long span of the postwar period. It asks what role material objects, interior spaces, and architecture played in quelling or fanning the anxieties of modernism’s ordinary denizens, and how this role informs their legacy today. Table of Contents [Book] Introduction Robin Schuldenfrei Part 1: Psychological Constructions: Anxiety of Isolation and Exposure 1. Taking Comfort in the Age of Anxiety: Eero Saarinen’s Womb Chair Cammie McAtee 2. The Future is Possibly Past: The Anxious Spaces of Gaetano Pesce Jane Pavitt 3. Scopophobia/Scopophilia: Electric Light and the Anxiety of the Gaze in American Postwar Domestic Architecture Margaret Petty Part 2: Ideological Objects: Design and Representation 4. The Allegory of the Socialist Lifestyle: The Czechoslovak Pavilion at the Brussels Expo, its Gold Medal and the Politburo Ana Miljacki 5. Assimilating Unease: Moholy-Nagy and the Wartime-Postwar Bauhaus in Chicago Robin Schuldenfrei 6. The Anxieties of Autonomy: Peter Eisenman from Cambridge to House VI Sean Keller Part 3: Societies of Consumers: Materialist Ideologies and Postwar Goods 7. "But a home is not a laboratory": The Anxieties of Designing for the Socialist Home in the German Democratic Republic 1950—1965 Katharina Pfützner 8. Architect-designed Interiors for a Culturally Progressive Upper-Middle Class: The Implicit Political Presence of Knoll International in Belgium Fredie Floré 9. Domestic Environment: Italian Neo-Avant-Garde Design and the Politics of Post-Materialism Mary Louise Lobsinger Part 4: Class Concerns and Conflict: Dwelling and Politics 10. Dirt and Disorder: Taste and Anxiety in the Working Class Home Christine Atha 11. Upper West Side Stories: Race, Liberalism, and Narratives of Urban Renewal in Postwar New York Jennifer Hock 12. Pawns or Prophets? Postwar Architects and Utopian Designs for Southern Italy Anne Parmly Toxey. Coda: From Homelessness to Homelessness David Crowley

Vibrational analysis of 1,3-thiazolidine-2-thione and its selenium analogue

The i.r. spectra of 1,3-thiazolidine-2-thione, ?2-selone and their N-deuteriated derivatives have been investigated in the region between 4000 and 20 cm?1. A complete assignment of the fundamental vibrational frequencies has been made based upon the normal coordinate analysis carried out using a simple Urey�Bradley force field supplemented by the valence force constants for the out-of-plane vibrations of the planar molecular skeleton. The proposed assignments are discussed in relation to the group frequencies in structurally related molecules and in terms of the computed potential energy distributions among the symmetry coordinates.

Allosteric regulation and substrate activation in cytosolic nucleotidase II from Legionella pneumophila

Cytosolic nucleotidase II (cN-II) from Legionellapneumophila (Lp) catalyzes the hydrolysis of GMP and dGMP displaying sigmoidal curves, whereas catalysis of IMP hydrolysis displayed a biphasic curve in the initial rate versus substrate concentration plots. Allosteric modulators of mammalian cN-II did not activate LpcN-II although GTP, GDP and the substrate GMP were specific activators. Crystal structures of the tetrameric LpcN-II revealed an activator-binding site at the dimer interface. A double mutation in this allosteric-binding site abolished activation, confirming the structural observations. The substrate GMP acting as an activator, partitioning between the allosteric and active site, is the basis for the sigmoidicity of the initial velocity versus GMP concentration plot. The LpcN-II tetramer showed differences in subunit organization upon activator binding that are absent in the activator-bound human cN-II structure. This is the first observation of a structural change induced by activator binding in cN-II that may be the molecular mechanism for enzyme activation. DatabaseThe coordinates and structure factors reported in this paper have been submitted to the Protein Data Bank under the accession numbers and . The accession number of GMP complexed LpcN-II is . Structured digital abstract andby() andby() Structured digital abstract was added on 5 March 2014 after original online publication]

Aportes de la Pontificia Academia para la Vida (PAV) al desarrollo de la bioética

Resumen: El autor, Oficial de Estudio de la Pontificia Academia para la Vida (PAV), detalla en el presente artículo, los aportes realizados por la Academia al desarrollo de esta nueva disciplina que es la Bioética. Su objetivo ha sido siempre salvaguardar la naturaleza y la dignidad del ser humano ante la amenaza de un mal entendido “progreso científico y cultural” que muchas veces atenta contra éstas. La Pontificia Academia para la Vida se nutre del Magisterio de la Iglesia y apuesta constantemente al diálogo fecundo entre fe y razón.

Sistema de registro de preços : teoria e prática

Diferentemente dos gastos realizados pela iniciativa privada, o recurso público não pode ser despendido livremente. As despesas devem se pautar pela necessária vinculação ao interesse público. No que diz repeito às compras governamentais, a Administração deverá se submeter a um procedimento licitatório que assegure igualdade de condições a todos os concorrentes, a fim de selecionar a proposta mais vantajosa para o contrato de seu interesse. Para aquisições frequentes e com imprevisibilidade de consumo, sempre que possível, os gestores deverão se utilizar do sistema de registro de preços, conjunto de procedimentos - decorrentes de uma concorrência ou de um pregão - destinados ao registro formal de preços relativos à prestação de serviços e à aquisição de bens. Por meio dessa sistemática, não há comprometimento orçamentário-financeiro quando da homologação do certame, somente quando da efetiva demanda pelo objeto licitado. Com a sua utilização, prescinde-se da manutenção de grandes estruturas de estocagem. Reduz-se o número de licitações requeridas, tendo em vista a ata registrada ter validade por até um ano. O trabalho propõe detalhar os principais pontos da sistemática de registro de preços e a apresentar como é utilizada na prática, especialmente na Câmara dos Deputados e no Exército Brasileiro. Das boas experiências colhidas buscam-se alternativas de aprimoramento da gestão de compras desta Casa por meio do uso do Sistema de Registro de Preços.