Haggadah de Pâque (hébreu) (judéo-italien). Padoue

Haggadah de pâque, texte avec version italienne et commentaire abrégé de l'explication d'Isaac Abravanel. Une préface à ce même commentaire, par Juda Arié de Modène, se trouve tête de volume, accompagnant les prescriptions rituelles de la fête de pâque. Ecrit par Elie ben Ascher Malakhi Cohen en l'an 5544 de la Création, à Padoue. Titre rouge et noir entouré d'un triple cadre, les deux lignes externes en lignes ornées, et le cadre médiant constitué de verset de l'Exode (II, 17-19). Dessins à la plume sur chaque page, et initiales enluminées. Grande ériture arrée vocalisée pour le texte, rubrique des vignettes en petit module. Commentaire en écriture rabbinique italienne. A la fin du manuscrit la version allemande du poème un cabri.

Piyutim Maroc. פיוטים

Recueil important de piyutim en hébreu et en arabe, dont un nombre important est inédit. Ils sont l'oeuvre de payitanim marocains pour la plupart. Les deux f. volants contiennent 2 piyyutim en l'honneur de Rabbi Isaac ben Walid de Tétouan. Les f. 1-13 contiennent l'index alphabétique des piyutim.

Surface swimming behavior of the curculionid Ochetina uniformis Pascoe (Erirhininae, Stenopelmini) and Ludovix fasciatus (Gyllenhal) (Curculioninae, Erodiscini)

The swimming behavior exhibited by specimens of L. fasciatus and O. uniformis was analyzed frame-by-frame with video observation recorded with a digital camera, attached to a stereomicroscope. Adults of O. uniformis, an aquatic insect, swim with all three pairs of legs. During the process of swimming the majority of the abdomen and rostrum remain submerged, part of the fore and hind tibiae remain above the surface, while the mid tibiae remain submerged. The mesothoracic legs, during the power-stroke stage, provide the greatest thrust while the metathoracic legs provide the least forward propulsion. The prothoracic legs, extended forward, help to direct the swimming. The semi-aquatic specie L. fasciatus shows the same swimming style as O. uniformis, that is, with movement of all the three pairs of legs; the mesothoracic legs are responsible for the main propulsion. The insect body remains on the water surface during the process of swimming, while the legs remain submerged. Both species complete a swimming cycle in 0.33 and 0.32 seconds, respectively, with an average speed of 1.38 cm/s and a maximum and minimum swimming duration time of 11.15 and 5.05 minutes, respectively, for L. fasciatus. The swimming behavior exhibited by O. uniformis and L. fasciatus corresponds to the style known as a breast strokelike maneuver. This is the first record of this kind of swimming for both species here observed and increases to seven the number of genera of Curculionidae exhibiting this behavior.

Optimização de Células Fotovoltaicas

Perante os cenários do aumento da população mundial, da concentração de CO2, dos custos dos combustíveis, do consumo energético mundial e das alterações climáticas, surgiu a necessidade de encontrar fontes de energias alternativas. Neste contexto, a Energia Solar Fotovoltaica, fruto de investigações e investimentos realizados, teve um grande impacto na última década, registando um aumento significativo quer da produção de painéis fotovoltaicos ou de instalações de sistemas fotovoltaicos no Mundo. A Energia solar Fotovoltaica surge como uma energia alternativa limpa, inesgotável e que contribui para a diminuição do impacto ambiental, mas o elevado custo inicial é ainda um entrave à sua comercialização, sendo por isso importante conseguir uma optimização na produção dos painéis fotovoltaico bem como em instalações a fim de optimizar o seu rendimento. Um dos objectivos deste trabalho foi instalar e monitorizar um sistema fotovoltaico no telhado do laboratório de máquinas eléctricas do ISEL. Foi instalado um sistema com uma potência de 990 Watts. A monitorização dos módulos durante alguns períodos de 2011 e 2012 demonstraram um bom desempenho do sistema fotovoltaico instalado comparativamente aos valores estimados. Outro objectivo deste trabalho foi estudar a influência da temperatura no rendimento das células fotovoltaicas. A primeira fase deste estudo foi desenvolver um modelo matemático de uma célula fotovoltaica em Simulink/Matlab. As curvas obtidas da simulação numérica do modelo matemático permitiram observar e demonstrar a influência do aumento da temperatura das células fotovoltaicas na sua potência e rendimento. A segunda fase deste estudo tinha como objectivo comprovar experimentalmente o efeito da temperatura e analisar possíveis meios que permitissem refrigerar as células fotovoltaicas. Através de uma montagem experimental específica as células fotovoltaicas foram testadas num ambiente controlado. Os valores obtidos permitiram observar uma diminuição de cerca de 36% da temperatura das células utilizando refrigeração e consequente aumento do rendimento.

Talouselämän säännösteleminen, 2K

Puhe

Costly search and design

Firms compete by choosing both a price and a design from a family of designs thatcan be represented as demand rotations. Consumers engage in costly sequential searchamong firms. Each time a consumer pays a search cost he observes a new offering. Anoffering consists of a price quote and a new good, where goods might vary in the extentto which they are good matches for the consumer. In equilibrium, only two design-styles arise: either the most niche where consumers are likely to either love or loathethe product, or the broadest where consumers are likely to have similar valuations. Inequilibrium, different firms may simultaneously offer both design-styles. We performcomparative statics on the equilibrium and show that a fall in search costs can lead tohigher industry prices and profits and lower consumer surplus. Our analysis is relatedto discussions of how the internet has led to the prevalence of niche goods and the"long tail" phenomenon.

La pesquería marítima peruana durante 1966

Presenta las estadísticas del desembarque de las especies marinas en cantidad y valor, incluye información estadística sobre producción industrial, consumo fresco, inversiones y comercio exterior, referida a la actividad pesquera marítima.

La pesquería marítima peruana durante 1967

Presenta los principales aspectos estadísticos de la pesquería marítima peruana durante el año de 1967. Así mismo, incluye aspectos relacionados con la industrialización de los productos de la pesca marítima, consumo fresco, flota pesquera, plantas industriales, inversiones, personal ocupado y comercio exterior.

La pesquería marítima peruana durante 1968

Presenta las estadística de 1968 de la pesquería marítima referente a desembarques, consumo fresco de pescado, producción industrial, exportaciones y de la harina de pescado.

La pesquería marítima peruana durante 1969

Presenta estadísticas de la pesquería marítima del Perú del año 1969 correspondiente a desembarques, producción industrial, consumo fresco, flota pesquera y plantas industriales y de comercio exterior.

Long term debt with hidden borrowing

We consider borrowers with the opportunity to raise funds from a competitive baking sector,that shares information about borrowers, and an alternative hidden lender. We highlight thatthe presence of the hidden lender restricts the contracts that can be obtained from the banking sector and that in equilibrium some borrowers obtain funds from both the banking sector and the (inefficient) hidden lender simultaneously. We further show that as the inefficiency of the hidden lender increases, total welfare decreases. By extending the model to examine a partially hidden lender, we further highlight the key role of information.

La pesquería peruana durante 1964

Describe la estadística de la pesquería peruana durante el año 1964.

Whole brain radiotherapy with a conformational external beam radiation boost for lung cancer patients with 1-3 brain metastasis: a multi institutional study.

BACKGROUND: To determine the outcome of patients with brain metastasis (BM) from lung cancer treated with an external beam radiotherapy boost (RTB) after whole brain radiotherapy (WBRT). METHODS: A total of 53 BM patients with lung cancer were treated sequentially with WBRT and RTB between 1996 and 2008 according to our institutional protocol. Mean age was 58.8 years. The median KPS was 90. Median recursive partitioning analysis (RPA) and graded prognostic assessment (GPA) grouping were 2 and 2.5, respectively. Surgery was performed on 38 (71%) patients. The median number of BM was 1 (range, 1-3). Median WBRT and RTB combined dose was 39 Gy (range, 37.5-54). Median follow-up was 12.0 months. RESULTS: During the period of follow-up, 37 (70%) patients died. The median overall survival (OS) was 14.5 months. Only 13 patients failed in the brain. The majority of patients (n = 29) failed distantly. The 1-year OS, -local control, extracranial failure rates were 61.2%, 75.2% and 60.8%, respectively. On univariate analysis, improved OS was found to be significantly associated with total dose (< or = 39 Gy vs. > 39 Gy; p < 0.01), age < 65 (p < 0.01), absence of extracranial metastasis (p < 0.01), GPA > or = 2.5 (p = 0.01), KPS > or = 90 (p = 0.01), and RPA < 2 (p = 0.04). On multivariate analysis, total dose (p < 0.01) and the absence of extracranial metastasis (p = 0.03) retained statistical significance. CONCLUSIONS: The majority of lung cancer patients treated with WBRT and RTB progressed extracranially. There might be a subgroup of younger patients with good performance status and no extracranial disease who may benefit from dose escalation after WBRT to the metastatic site.