943 resultados para reasonable excuse for delay in giving notice


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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The design of oral health has as its most important to bring knowledge, prevention and treatment for the population of municipalities that have this important means of promoting health in general. These programs are based on socio-educational projects, such as tooth brushing, educational lectures, projects, preventive and, fluoride use, application of sealants in pits and even the prevention of oral cancer. In the area of healing, the centers of dental specialties (CEO) associated with the PSF are responsible for implementing treatment of periodontal diseases, trauma, restoration of teeth affected by dental caries, prosthesis design for functional rehabilitation of the patient, biopsies of oral lesions , among other specialties. This study aims to evaluate the students of the Graduate Program in Dentistry, Universidade Estadual Paulista Julio de Mesquita Filho, Campus de Araçatuba, in order to coordinate a program to promote health in their communities. The result based on parameters in the OMS showed that the majority of graduate students of the Faculty of Dentistry Araçatuba acquired knowledge to a reasonable oral health program in their city as a coordinator.

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This study evaluated the general and oral health conditions of female patients included in a program for recovering drug addiction and patients who did not use drugs. By means of anamnesis and medical history, as well as medical and dental assessments, the health conditions of 160 patients were assessed; 80 presented drug dependence and 80 do not use drugs. The most frequently used drugs were tobacco, alcohol, and crack, usually in associations. The patients presenting chemical dependence had increased frequency of behavioral changes, as well as several diseases involving the immune and cardiovascular systems, detaching infectious and inflammatory reactions and delay in the process of tissue repair. In the oral cavity, it was verified a high occurrence of periodontitis and gingivitis. Chemical dependence showed to be associated to a high frequency of infections, arthritis, hypertension and behavioral changes, which normally would not be noted by health professionals, but that could compromise the results of medical and dental treatments.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Under conservation tillage systems is critical to maintaining plant residues from previous crops on the soil surface. A technique called Hormesis aims to increase the amount of straw and also cause a delay in straw decomposition. Therefore, this study aimed to evaluate the agronomic characteristics of corn under no-tillage system subjected to Hormesis. The experiment was carried out at UNESP campus in the city of Botucatu, SP . The experimental was design in completely randomized blocks. The treatments based on the technique of Hormesis were : control (no application) , sub Gliphosate low dosage (12.5 g.ai.ha - 1 ) , sub Gliphosate average dosage (25 g. ai.ha - 1 ) , sub Gliphosate high dose (50 g. ai.ha -1 ), 2,4-D under low dose (100 g. ai.ha -1 ), 2,4-D sub average dosage (200 g. ai.ha -1 ) 2,4- D under high dosage (300 g. ai.ha -1 ) sub Verdict low dose (0.625 g. ai.ha -1 ) sub Verdict average dosage (1.25 g. ai.ha -1 ) , sub Verdict high dosage (2.5 g. ai.ha - 1 ) . In addition, the following characteristics were evaluated: plant height, first ear growth, stem diameter , ear length , number of rows per cob, cob diameter , , percentage of grains on the cob , mass of plant dry matter, and yield. The results showed that all the treatments showed no statistical difference, the maize was not affected with sub doses of herbicides applications under the field and weather conditions in which the experiment was conducted.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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This paper had as emphasis the study of the mechanization and modernization of the construction job sites of the city of Lorena located in the Vale do Paraíba, São Paulo. From the literature review on this topic, it was possible to understand the main causes of the delay in the job sites relating to the new technology available. The research on the history of construction and equipment evolution, along with interviews with workers, engineers and architects, it was possible to analyze the current situation. One of the main intentions of this study was to propose guidelines for the modernization of the construction sites

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This paper had as emphasis the study of the mechanization and modernization of the construction job sites of the city of Lorena located in the Vale do Paraíba, São Paulo. From the literature review on this topic, it was possible to understand the main causes of the delay in the job sites relating to the new technology available. The research on the history of construction and equipment evolution, along with interviews with workers, engineers and architects, it was possible to analyze the current situation. One of the main intentions of this study was to propose guidelines for the modernization of the construction sites

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The impacts of change in the Grell convective scheme and biosphere-atmosphere transfer scheme (BATS) in RegCM3 are described. Three numerical experiments (RegZhang, RegClaris and RegArain) are conducted to reduce the RegCM3-Grell rainfall underestimation over tropical South America. The simulation referred to as RegZhang follows modifications made by Zhang et al. (2008) in the BATS. The RegClaris combines the RegZhang BATS parameters with a reduction of water drainage at the bottom of the subsoil layer in the regions covered by the tropical rain forest and a shorter convective time period for the Grell scheme. The RegArain considers this same modification in the Grell scheme, but uses a deeper total soil column and a deeper root system in the BATS. After the first year of simulation, the soil water content in RegZhang is progressively drained out of the soil column resulting in a deficit of rainfall in the Amazon. The RegClaris and RegArain, on the other hand, simulate a similar rainfall annual cycle in the Amazon, showing substantial improvement not only in phase but also in intensity. This improvement is partially related to an increase in evapotranspiration due to a larger availability of water in the soil column. A remote effect is also noted over the La Plata Basin region, where the larger summer rainfall rate may be related to the increase in moisture transport from the Amazon. Wind- and rainfall-based indices are applied to identify South American monsoon (SAM) timing. The RegClaris rainfall rates are adequate to identify the onset and the demise of SAM according to the observed data, whereas the rainfall deficit in RegZhang is associated with a delay in the onset and an early demise of the SAM.

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This Article reports a combined experimental and theoretical analysis on the one and two-photon absorption properties of a novel class of organic molecules with a pi-conjugated backbone based on phenylacetylene (JCM874, FD43, and FD48) and azoaromatic (YB3p2S) moieties. Linear optical properties show that the phenylacetylene-based compounds exhibit strong molar absorptivity in the UV and high fluorescence quantum yield with lifetimes of approximately 2.0 ns, while the azoaromatic-compound has a strong absorption in the visible region with very low fluorescence quantum yield. The two-photon absorption was investigated employing nonlinear optical techniques and quantum chemical calculations based on the response functions formalism within the density functional theory framework. The experimental data revealed well-defined 2PA spectra with reasonable cross-section values in the visible and IR. Along the nonlinear spectra we observed two 2PA allowed bands, as well as the resonance enhancement effect due to the presence of one intermediate one-photon allowed state. Quantum chemical calculations revealed that the 2PA allowed bands correspond to transitions to states that are also one-photon allowed, indicating the relaxation of the electric-dipole selection rules. Moreover, using the theoretical results, we were able to interpret the experimental trends of the 2PA spectra. Finally, using a few-energy-level diagram, within the sum-over-essential states approach, we observed strong qualitative and quantitative correlation between experimental and theoretical results.

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It has been a matter of debate as to whether dental implant therapies are suitable for patients subjected to long-term use of bisphosphonates (BPs). This report presents a case of a 76-year-old woman who developed BPs-related osteonecrosis of the jaw (BRONJ) in the left hemimandible after dental implant exposure. The implants and the necrotic crestal bone were removed, and postoperatively, a delay in tissue healing with bone exposure was noticed. The histologic analysis of the block biopsies revealed a lamellar bone tissue exhibiting necrotic areas and bacterial colonies associated with the bone outer surface. The bone-implant interface showed viable lamellar bone with enlarged vascular spaces in the areas between the implant threads. The possible mechanisms for the loss of implants in BRONJ patients are discussed, and the potential protocols for dental implant rehabilitation for patients under BP therapies are presented. (Implant Dent 2012;21:449-453)

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O estudo analisou as causas de atraso no diagnóstico da tuberculose em sistema prisional, segundo a experiência do doente apenado. Utilizou-se o referencial teórico-metodológico da análise de discurso de matriz francesa, que busca a compreensão dos processos de produção de sentidos, na relação da linguagem com a ideologia e de constituição de sujeitos em suas posições. Foram realizadas entrevistas semidirigidas com sete doentes de tuberculose apenados em um hospital de João Pessoa, Paraíba, Brasil, no período de agosto a outubro de 2009. O atraso no diagnóstico da tuberculose relaciona-se à naturalização da desassistência ao sujeito preso, à interpretação do presídio como um lugar de morte e sofrimentos e à privação do direito à saúde para detentos em decorrência de sua posição nas relações assimétricas de poder e efeitos ideológicos.

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Foi analisado o atraso na busca por serviço de saúde para o diagnóstico da Tuberculose (TB) em Ribeirão Preto, 2009, em um estudo epidemiológico, transversal, realizado com 94 doentes. Utilizou-se questionário baseado no Primary Care Assessment Tool, adaptado para avaliar a atenção à TB. Estabeleceu-se a mediana (15 dias ou mais) para caracterizar atraso na busca pelo primeiro atendimento. Através da Razão de Prevalência, identificaram-se as variáveis relacionadas ao maior atraso. O primeiro serviço de saúde procurado foi o de pronto atendimento (57,4%). Verificou-se um maior tempo na procura pelos serviços de saúde entre os doentes: do sexo masculino; com idade entre 50 a 59 anos; com renda familiar inferior a cinco salários mínimos; forma pulmonar; casos novos; não coinfecção TB/HIV; não consumiam bebida alcoólica, conhecimento satisfatório sobre TB (apresentou significância estatística na associação com o atraso) e que não procuravam o serviço de saúde próximo do domicílio antes de ter TB. Verificou-se a necessidade de capacitação para os profissionais de saúde quanto aos sinais e sintomas da doença, reduzindo as barreiras de acesso ao diagnóstico oportuno da TB e divulgação ampla para a comunidade em geral.

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Ground-based Earth troposphere calibration systems play an important role in planetary exploration, especially to carry out radio science experiments aimed at the estimation of planetary gravity fields. In these experiments, the main observable is the spacecraft (S/C) range rate, measured from the Doppler shift of an electromagnetic wave transmitted from ground, received by the spacecraft and coherently retransmitted back to ground. If the solar corona and interplanetary plasma noise is already removed from Doppler data, the Earth troposphere remains one of the main error sources in tracking observables. Current Earth media calibration systems at NASA’s Deep Space Network (DSN) stations are based upon a combination of weather data and multidirectional, dual frequency GPS measurements acquired at each station complex. In order to support Cassini’s cruise radio science experiments, a new generation of media calibration systems were developed, driven by the need to achieve the goal of an end-to-end Allan deviation of the radio link in the order of 3×〖10〗^(-15) at 1000 s integration time. The future ESA’s Bepi Colombo mission to Mercury carries scientific instrumentation for radio science experiments (a Ka-band transponder and a three-axis accelerometer) which, in combination with the S/C telecommunication system (a X/X/Ka transponder) will provide the most advanced tracking system ever flown on an interplanetary probe. Current error budget for MORE (Mercury Orbiter Radioscience Experiment) allows the residual uncalibrated troposphere to contribute with a value of 8×〖10〗^(-15) to the two-way Allan deviation at 1000 s integration time. The current standard ESA/ESTRACK calibration system is based on a combination of surface meteorological measurements and mathematical algorithms, capable to reconstruct the Earth troposphere path delay, leaving an uncalibrated component of about 1-2% of the total delay. In order to satisfy the stringent MORE requirements, the short time-scale variations of the Earth troposphere water vapor content must be calibrated at ESA deep space antennas (DSA) with more precise and stable instruments (microwave radiometers). In parallel to this high performance instruments, ESA ground stations should be upgraded to media calibration systems at least capable to calibrate both troposphere path delay components (dry and wet) at sub-centimetre level, in order to reduce S/C navigation uncertainties. The natural choice is to provide a continuous troposphere calibration by processing GNSS data acquired at each complex by dual frequency receivers already installed for station location purposes. The work presented here outlines the troposphere calibration technique to support both Deep Space probe navigation and radio science experiments. After an introduction to deep space tracking techniques, observables and error sources, in Chapter 2 the troposphere path delay is widely investigated, reporting the estimation techniques and the state of the art of the ESA and NASA troposphere calibrations. Chapter 3 deals with an analysis of the status and the performances of the NASA Advanced Media Calibration (AMC) system referred to the Cassini data analysis. Chapter 4 describes the current release of a developed GNSS software (S/W) to estimate the troposphere calibration to be used for ESA S/C navigation purposes. During the development phase of the S/W a test campaign has been undertaken in order to evaluate the S/W performances. A description of the campaign and the main results are reported in Chapter 5. Chapter 6 presents a preliminary analysis of microwave radiometers to be used to support radio science experiments. The analysis has been carried out considering radiometric measurements of the ESA/ESTEC instruments installed in Cabauw (NL) and compared with the requirements of MORE. Finally, Chapter 7 summarizes the results obtained and defines some key technical aspects to be evaluated and taken into account for the development phase of future instrumentation.

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This thesis deals with the studies on the Cooperative Teleoperation Systems. The literature on cooperative teleoperation did not take into account control architectures composed of pairs of wave-based bilateral teleoperators operating in a shared environment. In this work The author two cooperative control schemes based on wave variables by considering two pairs of single-master/single-slave devices collaborating to carry out operations in a shared remote environment are proposed. Such architectures have been validated both with simulations and experimental tests. Ch. 2 introduces a description of the two control architectures proposed and presents some simulation results where the cooperative teleoperation systems evolve in free space and in contact with a stiff wall. In the Ch. 3 some experimental results which confirm the positive results of the control schemes are illustred. Such results have been achieved by using a prototype custom built at Laboratory of Automaiton and Robotics of University of Bologna, which is also illustrated in this chapter. In Ch. 4 the problem of defining proper tools and procedures for an analysis, and possibly a comparison, of the performances of cooperative teleoperation systems is addressed. In particular, a novel generalization of criteria adopted for classical (i.e. one master-one slave) teleoperators is presented and illustrated on the basis of the force-position and the position-position cooperative control schemes proposed in Ch. 2, both from a transparency and stability point of view, and by assuming a null time delay in the communication channel.