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Search Results: 1 - 10 of 22802 matches for " Tatiana Cristina Roloff "
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EFFECT OF NOT THE APPLICATION OF THE QUALITY CONTROL OF THE WATER IN THE NOURISHING INDUSTRIES
Tatiana Cristina Roloff
SaBios : Revista de Saúde e Biologia , 2006,
Abstract: This paper refers the factors relationship with the quality water control, wishing a better development of food process, showing that investment be possible reduce by organization, when it has systematic water analysis that use in its process. The water, universal solvent, beyond its composition, may introduce undesirable particles, as like as microorganisms type fermenting of lactose, that liberate gas and acid after the fermentation, deteriorating the foods, further much others pathogenic bacterium, causing high danger of contamination or sedimentary solids yet, that can cause incrustation on machinery. In spite of an unsatisfied level of salts like calcium and magnesium, may favor the corrosive process in engine, and to reduce the detergents effect, needing the use in most of concentration, lifting the maintenance cost. With the objective to contribute for the quality food industry increasing and also an production income greater and better foods life time on the shelf, will be approaches subjects relating simple method and low cost, that may being adopted for the enterprise, as like as factors been causing damage to the machines and utensils.
Quest es atuais sobre métodos projetivos
Tatiana Cristina Teixeira
Psico-USF , 2008, DOI: 10.1590/s1413-82712008000200017
Abstract:
Surrealismus und Intermedialit t in La vie secrète de Salvador Dalí [Surrealism and intermediality in La vie secrète de Salvador Dalí]
Roloff, Volker
Zeitschrift für Katalanistik , 2008,
Abstract: Scholarship has accustomed to go into Dalí's La vie secrète (1942) only with respect to biographic facts and details of artistic relevance with the aim of finding keys to the paintings of the great Catalan artist. Nevertheless, the recently published critical edition of the originally French text (2006) offers a great deal of research opportunities concerning, especially, questions of intermediality between literary and iconic traditions. This study deals with the interpretation of La vie secrète as dramatic novel representing the "secret life" in a series of key scenes, metamorphoses and simulations. With respect to Dalí's traditional self-interpretation, we try to point out the hitherto unrecognized elements of surrealist self-representation.
Inclusive Jets in PHP
Philipp Roloff
Physics , 2013,
Abstract: Differential inclusive-jet cross sections have been measured in photoproduction for boson virtualities Q^2 < 1 GeV^2 with the ZEUS detector at HERA using an integrated luminosity of 300 pb^-1. Jets were identified in the laboratory frame using the k_T, anti-k_T or SIScone jet algorithms. Cross sections are presented as functions of the jet pseudorapidity, eta(jet), and the jet transverse energy, E_T(jet). Next-to-leading-order QCD calculations give a good description of the measurements, except for jets with low E_T(jet) and high eta(jet). The cross sections have the potential to improve the determination of the PDFs in future QCD fits. Values of alpha_s(M_Z) have been extracted from the measurements based on different jet algorithms. In addition, the energy-scale dependence of the strong coupling was determined.
F_2^bbbar measurement at ZEUS
Philipp Roloff
Physics , 2010,
Abstract: Two recent measurements of beauty production in deep inelastic scattering based on data collected by the ZEUS detector are summarised. In the first one, the beauty fraction in the data was obtained from events with a muon and a jet. In the second one, beauty cross sections were measured using the decay length significance and mass of inclusive secondary vertices. Differential cross sections are presented and compared to QCD predictions. The beauty contribution to the inclusive proton structure function F_2^bbbar was extracted for the jet+muon measurement and is compared to previous measurements and theoretical predictions.
D^{+}, D^{0} and Lambda_{c}^{+} production in deep inelastic scattering at HERA
Philipp Roloff
Physics , 2010,
Abstract: Several recent measurements of charmed hadron production in deep inelastic scattering at HERA are reviewed. Cross sections for the production of D mesons were measured and compared to NLO QCD predictions. The charm contribution to the inclusive structure function F_{2} was extracted and compared to previous measurements and theoretical predictions. The reconstruction of decays with a neutral strange hadron in the final state allowed the measurement of charm production to be extended into the low transverse momentum region. The fraction of c quarks hadronising into Lambda_{c}^{+} baryons was extracted using two different decay modes.
Measurement of the top Yukawa Coupling at a 1 TeV International Linear Collider using the SiD detector
Philipp Roloff,Jan Strube
Physics , 2013,
Abstract: One of the detector benchmark processes investigated for the SiD Detailed Baseline Design (DBD) is given by: e+e- -> ttH, where H is the Standard Model Higgs boson of mass 125 GeV. The study is carried out at a centre-of-mass energy of 1 TeV and assuming an integrated luminosity of 1 ab-1. The physics aim is a direct measurement of the top Yukawa coupling at the ILC. Higgs boson decays to beauty quark-antiquark pairs are reconstructed. The investigated final states contain eight jets or six jets, one charged lepton and missing energy. Additionally, four of the jets in signal events are caused by beauty quark decays. The analysis is based on a full simulation of the SiD detector using GEANT4. Beam-related backgrounds from gammagamma -> hadrons interactions and incoherent e+e- pairs are considered. This study addresses various aspects of the detector performance: jet clustering in complex hadronic final states, flavour-tagging and the identification of high energy leptons.
Time-optimal performance of Josephson charge qubits: A process tomography approach
Robert Roloff,Walter P?tz
Physics , 2009, DOI: 10.1103/PhysRevB.79.224516
Abstract: A process tomography based optimization scheme for open quantum systems is used to determine the performance limits of Josephson charge qubits within current experimental means. The qubit is modeled microscopically as an open quantum system taking into account state leakage, as well as environment-induced dephasing based on experimental noise spectra. Within time-optimal control theory, we show that the competing requirements for suppression of state leakage and dephasing can be met by an external control of the effective qubit-environment interaction, yielding minimal gate fidelity losses of around $\Delta F \approx 10^{-3}$ under typical experimental conditions.
Bell-state preparation for electron spins in a semiconductor double quantum dot
Robert Roloff,Walter P?tz
Physics , 2007, DOI: 10.1103/PhysRevB.76.075333
Abstract: A robust scheme for state preparation and state trapping for the spins of two electrons in a semiconductor double quantum dot is presented. The system is modeled by two spins coupled to two independent bosonic reservoirs. Decoherence effects due to this environment are minimized by application of optimized control fields which make the target state to the ground state of the isolated driven spin system. We show that stable spin entanglement with respect to pure dephasing is possible. Specifically, we demonstrate state trapping in a maximally entangled state (Bell state) in the presence of decoherence.
Pneumonia necrosante em crian?as submetidas à toracoscopia por empiema pleural: incidência, tratamento e evolu??o clínica
Macedo, Maurício;Meyer, Karine Furtado;Oliveira, Tatiana Cristina Miranda;
Jornal Brasileiro de Pneumologia , 2010, DOI: 10.1590/S1806-37132010000300006
Abstract: objective: to assess the incidence of necrotizing pneumonia (np) in children submitted to thoracoscopy, comparing patients with and without np in terms of the presentation and clinical evolution. methods: a retrospective study of children with pleural empyema submitted to thoracoscopy. thoracoscopy was performed in patients not previously submitted to thoracic drainage and in whom there was evidence of loculated effusion or pneumothorax, as well as in those previously submitted to thoracic drainage and in whom there was persistent pneumothorax or fever with purulent discharge. on the basis of the thoracoscopy findings, patients were distributed into two groups: those with np (np group) and those without (no-np group). results: the study sample comprised 52 patients. of the 24 patients with np, 19 (79%) had undergone thoracic drainage prior to thoracoscopy, 11 (46%) presented with pneumothorax, and 16 (67%) developed bronchopleural fistula. in the np group, the median drainage time and the median length of hospital stay were 18 and 19 days, respectively. of the 28 patients without np, 10 (36%) had undergone thoracic drainage prior to thoracoscopy, 9 (32%) presented pneumothorax, and 5 (18%) developed bronchopleural fistula. in the no-np group, the median drainage time and the median length of hospital stay were 6 and 10 days, respectively. conclusions: pneumothorax should raise the suspicion of np. early thoracoscopy can be a valuable treatment option for np in children because it hastens recovery in comparison with the medical treatment alone and avoids extensive late thoracotomy lung resections.
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