255,172 research outputs found
Rosa Gauditano - a mesma luta = Rosa Gauditano - the same struggle
No full textThe photobook "A Mesma Luta" (The Same Fight) comprises 25 black and white photographs of social movements in São Paulo from 1978 to 1984. Photographer Rosa Gauditano (São Paulo, Brasil 1955) documented the ABC strikes, the Custo de Vida (Cost of Living) movement, women's demonstrations such as the murder of Eliane de Grammount, SOS Mulher, the 3 Congresses of the Paulista Woman, the protest of the Mothers of The Plaza de Mayo, the first demonstrations of the Unified Black Movement and the demonstration against the murder of the metallurgist Santo Dias by the police. The edition of this work is focused on this women's struggles and its important role for the change of Brazilian society that culminated in the end of the dictatorship from Diretas Já. Author Rosa Gauditano began her career as a photographer in the 1970s, working for small printing houses from the Imprensa Nanica (journalists who wrote against the ideas of the dictatorship, it was so called because few were the ones who dared to write something against the government given the strong repression), taht include Versus, Movimento and Em Tempo. Later she worked as a hired photographer for Folha de São Paulo and Veja magazine until she founded Studio R where she continues to work to this day
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Rosa Arredondo, Rafael Somora, Virginia Arredondo, Senon Dominges and Benito Armenta (photograph)
No full text(R. to L.) Rosa Arredondo, Rafael Somora, Virginia Arredondo, Senon Dominges and Benito Armenta
Implementation of ROSA radio occultation data handling into EUMETSAT and GRAS SAF processing
No full textTopic of the GRAS-SAF Visiting Scientist activity 16 has been the implementation of ROSA radio occultation data handling into EUMETSAT and GRAS SAF processing tools. ROSA data referred to observations taken on-board OCEANSAT-2 mission. Even if we are talking of standard Radio Occultation data, the format of raw binary data is peculiar, and processing chains already implemented for other Radio Occultation missions, should be adapted to this further format. Moreover, ROSA antennas, ROSA coverage, ROSA sampling rate, etc. are different from GRAS or COSMIC data. Main goals of this VS activity have therefore been the implementation of ROSA processing into the EUMETSAT YAROS prototype (in order to produce excess-phases, amplitudes and bending angles over impact parameter) and into the GRAS SAF ROPP processor (for the processing into bending angle, refractivity and higher level atmospheric profiles), dealing mainly with data interfacing issues. The first part of the activity was carried out in EUMETSAT, where the YAROS prototype has been adapted to handle ROSA data. Before doing that, an in-depth analysis has been done in order to identify all the ROSA data characteristics and issues. In particular, the Thales Alenia Space "decoding" software has been completely review, in order to understand how these data were formatted inside the native binary ROSA data stream coming from the OCEANSAT-2 telemetry, and inside the standard Level1 Engineered data file available for users. This preliminary analysis allows the definition of several ROSA data structures that could be easily implemented directly inside the YAROS prototype. At the end of this first part, two different releases of the EUMETSAT prototype were available: the first one able to manage only the scientific ROSA engineered data, containing the basic observables for Radio Occultation purposes (the Level 1a data, the one normally made available for users); the second one which implements ad-hoc data structures where all the data generated by the ROSA receiver (and contained in the raw binary format, the Level 0 data) are stored. About thirty hours of ROSA observations, for which orbit and clocks were already available, were used as input to the adapted YAROS/ROSA prototype and completely analyzed. Only the YAROS prototype adapted to ROSA Engineered Level 1 format was used. A quality check of L1 and L2 basic observables (mainly L1 and L2 Excess-Phase and Signal-to-Noise ratio profiles) contained in the Level 1a YAROS output file has been performed. Even if a complete ROSA dataset is available for one entire month of observations, the production of all the necessary POD products for the entire month was not undertaken. Its in-depth analysis will be carried out in the future, when the Memorandum of Understanding between Italian Space Agency and EUMETSAT for the ROSA data processing will be signed. During this activity we preferred to concentrate the work on the YAROS prototype adaptation to ROSA data, making the prototype ready to handle all the ROSA data available, and not only the one contained in the Level1 Engineered data normally available to the user. In order to let these NetCDF Level1a YAROS/ROSA output files to be further processed into higher Radio Occultation products, a converter from NetCDF 4.0 to NetCDF 3.0 file (with the required data structures correctly set for the GRAS-SAF ROPP processing). This was performed during the second part of the Visiting Scientist activity at DMI, where YAROS/ROSA Level 1a files were both processed to bending angles, to refractivity and higher level products. Analysis of the bending angle and refractivity data against ECMWF and collocated radio occultation data were also performed, in order to have a preliminary idea on the quality of the final atmospheric products that can be achieved analyzing ROSA data. Moreover, YAROS/ROSA Level 1a files were also processed into Level 1b products (bending angle profiles) using the L1a2L1b YAROS code and compared with the correspondent forward modelled ECMWF collocated data. As a general comment on the ROSA data quality it has to be noted that, even thought L1 data are in line with that observed by the other Radio Occultation instruments, L2 data shows some problems. Problems which are mainly related to OCEANSAT-2 issues. ROSA on-board OCEANSAT-2 was equipped only with the Velocity Radio Occultation antennas, therefore only rising events can be recorded. Moreover local multipath on-board OCEANSAT-2 is very strong because of solar panels and because of the scatterometer antenna which both are moving. In particular this local multipath was not modelled or measured on ground, since an in-orbit platform manoeuvre was made necessary and created a permanent and unexpected yaw bias on the platform. And these problems mainly impact L2 tracking, which basically starts too high in atmosphere and which is affected by long data gaps. Only for a small number of events L2 is available in troposphere. In these cases, the quality of atmospheric profiles retrieved using the GRAS-SAF ROPP processing chain is in line with that obtainable from other Radio Occultation missions. But, for all the other cases for which L2 is available higher in the atmosphere, modifications to the L2 extrapolation/interpolations and different Statistical Optimization setting are probably necessary to adapt the GRAS-SAF ROPP_PP Processor to such bad data. From the other point of view, YAROS software correctly handle such ROSA data, even if a high number of rejected profiles are seen with respect what normally happens in processing data from other Radio Occultation observation
Random process analysis with R
No full textRandom process analysis (RPA) is used as a mathematical model in physics, chemistry, biology, computer science, information theory, economics, environmental science, and many other disciplines. Over time, it has become more and more important for the provision of computer code and data sets. This book presents the key concepts, theory, and computer code written in R, helping readers with limited initial knowledge of random processes to become confident in their understanding and application of these principles in their own research. Consistent with modern trends in university education, the authors make readers active learners with hands-on computer experiments in R code directing them through RPA methods and helping them understand the underlying logic.
Each subject is illustrated with real data collected in experiments performed by the authors or taken from key literature. As a result, the reader can promptly apply the analysis to their own data, making this book an invaluable resource for undergraduate and graduate students, as well as professionals, in physics, engineering, biophysical and environmental sciences, economics, and social sciences
[[alternative]]A Taxonomic Study of Rosa L. (Rosaceae) in Taiwan
No full text[[abstract]]The genus Rosa Linneaus (Rosaceae) in Taiwan is taxonomically revised based on morphological, palynological and phytogeographical studies. Morphology of leaves and stipules are most important characters for the classification of Taiwan taxa. Flower color, styles and hips are useful characters in distinguishing some taxa. Pollen exine sculpture also shows little interspecific difference. Altitudinal, different distribution over different altitudes can also provide useful information.
As a result, nine taxa in Taiwan were recoginzed, including one new species R. pubinervis. Rosa morrisonensis is elevated to species level. Rosa bracteata var. scabriacaulis and R. bracteata var. taiwanensis are treated as synonym of R. bracteata. Rosa henryi is treated as synonym of R. sambucina, and Rosa multiflora var. formosana as synonym of R. transmorrisonensis. Both R. taiwanensis and R. sambucina var. mushaniana are treated as synonyms of R. pricei var. pricei. The existence of R. luciae var. rosea in Taiwan is reconfirmed and transferred as R. pricei var. rosea. Rosa luciae is excluded in the study.
Chrysis niehuisi Rosa 2019
No full textChrysis niehuisi ROSA,2019 Chrysis niehuisi ROSA, 2019: 18. Holotype ♂; Tajikistan: W Pamir, Rushan Dst., 3400 m, 20- 30.VII.2015, leg. V. Gurko & c. (St. Petersburg). D i s t r i b u t i o n: Tajikistan. Chrysis nitidularia MOCSÁRY, 1912 Chrysis nitidularia MOCSÁRY, 1912a: 411. Lectotype ♂ (designated by BOHART in BOHART & FRENCH 1986: 342); Kazakhstan: Narynkol (Budapest). Chrysis fouqueti (DU BUYSSON, 1909): KIMSEY & BOHART 1991: 412 (cat., syn., Kazakhstan: Narynkol). Chrysis nitidularia: ROSA et al. 2017e: 64 (cat., type), 66 (Plate 44). D i s t r i b u t i o n: Kazakhstan. Chrysis ostashchenkoi TARBINSKY, 2000 Chrysis ostashchenkoi TARBINSKY, 2000: 194 (key), 201 (descr.). Holotype ♂; Kyrgyzstan: Tian Shan, Ala-Archa, 8.vii.1997, leg. Yu.S. Tarbinsky (Bishkek). D i s t r i b u t i o n: Kyrgyzstan.Published as part of Rosa, Paolo, 2019, A new remarkable species in the Chrysis ignita group (Hymenoptera, Chrysididae) and an overview on Central Asian species, with new synonymies, pp. 397-417 in Linzer biologische Beiträge 51 (1) on page 411, DOI: 10.5281/zenodo.375837
Lo spirito rivoluzionario. Hannah Arendt nello specchio di Rosa Luxemburg, postfazione a Hannah Arendt, Rosa Luxemburg 1871-1919
No full textProveniente da una famiglia di socialisti ed ebrei assimilati, Hannah Arendt (1906-1975) cresce nel culto di Rosa Luxemburg (1871-1919). Diviene però presto confidente anche con una lunga serie di leggende fiorite su di lei: dalla sanguinaria “Rosa la Rossa” alla donna litigiosa e polemica, dalla romantica amante della natura all’ingenua sostenitrice dello spontaneismo, all’ideatrice di quel presunto “sistema di errori” al quale è stato dato il nome di luxemburghismo.
In occasione della composizione prima delle 'Origini del totalitarismo' (1951), poi del saggio 'Sulla rivoluzione' (1963), Arendt riprende in mano gli scritti di Rosa Luxemburg. Nelle pagine dell’'Accumulazione del capitale' e nelle note critiche sulla Rivoluzione russa del 1917 scopre il profilo di una scienziata che meriterebbe maggiore considerazione nella storia del pensiero politico.
Nel 1966 Peter John Nettl pubblica la biografia definitiva di Rosa Luxemburg. Arendt ne scrive una lunga recensione in cui dimostra di apprezzare l’impianto e i contenuti del libro. L’occasione si rivela propizia soprattutto per reagire alle distorsioni ideologiche subite da Rosa e per restituire la sua figura alla verità storica e alla scienza politica. Lo scritto arendtiano, qui riproposto in una nuova traduzione, fa luce sulla relazione tra le idee di queste due “donne in tempi bui”: la diffidenza nei confronti dei movimenti di emancipazione femminile, i limiti dell’internazionalismo di fronte all’emergere della questione nazionale, il maniacale bisogno di protezione della propria sfera intima, l’esigenza di stabilire metri di equità nel mondo, la necessità di confrontarsi con Marx e l’insoddisfazione per la dommatica marxista, l’ansia di preservare la sanità dell’autentico spirito rivoluzionario assieme al dovere storico e politico di indicare limiti e criticità della prassi rivoluzionaria del XX secolo
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