973 resultados para contingency table


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Åtta semi-strukturerade djupintervjuer genomfördes i syfte att kartlägga svenska formgivares och förlagsanställdas strategiska och kreativa arbetsprocess samt olika attityder vid arbetet med praktverk och coffee table-böcker. Dessa böckers termer och definitioner diskuterades även, samt boktypens förut-sättningar och utmaningar på marknaden. I denna rapport presenteras funna teman rörande dessa tankemönster och attity-der, samt en generell beskrivning av arbetsprocessen. Produktionen av coffee table-böcker och praktverk fanns vara komplex på grund av att den involverade många personer, tog lång tid i anspråk, var kost-sam och hade relativt små vinstmarginaler vilket därmed kunde förenas med vissa risker. Respondenterna upplevde generellt arbetet som spännande, roligt och givande.Studien belyser även förekomsten av en viss diskrepans vad gäller associationerna till termerna ”coffee table-bok” och ”praktverk”. Coffee table-böcker ansågs främst av de förlagsanställda ha ett innehåll av lägre kvalitet jämfört med det hos ett praktverk.

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Orientador: Pedro Filipe Pereira Campos

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

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Objetivando avaliar efeitos de períodos de infestação inicial na comunidade infestante e na produtividade da beterraba em sistema de semeadura direta e transplantio, conduziu-se um experimento em delineamento de blocos casualizados, esquema fatorial 2 x 13. Métodos de semeadura direta e transplante de mudas foram avaliados dentro de 13 períodos semanais crescentes de infestação. Importância relativa, densidade e matéria seca acumulada pelas plantas daninhas foram analisadas por regressão não-linear, assim como produtividade e estande da cultura de beterraba, que foram submetidos à análise de variância. Amaranthus viridis, Coronopus didymus, Cyperus rotundus, Digitaria nuda, Galinsoga parviflora e Nicandra physaloides foram as plantas daninhas mais importantes, destacando-se C. didymus. O acúmulo de matéria seca das plantas daninhas foi maior na cultura em semeadura direta, embora a densidade de plantas daninhas tenha sido mais alta em sistema de transplantio. A produtividade da beterraba transplantada foi maior que a da semeadura direta no tratamento livre de plantas daninhas. A convivência das plantas daninhas com a cultura pode permanecer por quatro e sete semanas depois da semeadura/transplantio, respectivamente, antes de reduzir a produtividade. A cultura em sistema de semeadura direta foi mais susceptível à interferência das plantas daninhas que a cultura sob sistema de transplantio.

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Fertility life tables were developed for both Trichogramma pretiosum and Trichogramma acacioi reared on Sitotroga cerealella eggs as an alternative host at five different temperatures. The egg parasitoids were first collected from Nipteria panacea eggs, a lepidopterous pest of avocado. Egg parasitoid females were individualized in small glass vials along with 40 eggs of the host during 24 h for parasitization. For evaluation of the parasitism capacity, a similar procedure was adopted, but cardboards with eggs were replaced every day. The net reproductive rate (Ro), intrinsic rate of increase (rm), finite rate of increase (lambda), and mean generation time (T) were estimated. Temperature affected all parameters for both Trichogramma species. The highest fecundity for both species was observed at 25degreesC. Extreme temperatures such as 15degreesC or 35degreesC negatively affect the development rate of both species.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Descriptive research aimed at evaluating the assistance offered to patients with venous ulcers, on lower limbs, attended by the Family Health Program (FHP) team, from the municipality of Natal/RN. The target population was composed of 74 patients with venous ulcers (VU), attended by the FHP teams in the 31 FHUs. The study was approved by the Ethics Committee of the Federal University of Rio Grande do Norte (protocol n.55/05). The data collection was performed in patients homes and in the FHUs, through structured interviews and physical examinations of patients with VU and non-participant observation during the changing of wound dressings in these Units and in users homes. The data was organized into an Excel electronic table and transported into the SPSS 14.0 program, for descriptive analysis on 2x2 contingency tables and inferential (Qui-Square χ2, Spearman Correlation, Binomial Proportion Test and p-value <0.05). The prevalence of VU (0.36/1000) in the target population (over 20 years of age) was greater than in the population registered in FHP (0.25/1000). We detected a greater prevalence in the age area of over 60 years (2.22/1000), with 2.98/1000 for females and 1.3/1000 for males (p-value=0.008). The sociodemographical and health characteristics of patients with VU revealed predominance of females (74.5%), elders over 60 years of age (67.6%), with fundamental education (74.3%), family earnings of up to 2 minimum wages (68.9%), retired (90.5%), ortostatic position (23.0%), inadequate sleep (59,9%), presence of CVI (100.0%), hypertension (44.6%) and diabetes (25.7%). As for the time of existence of the VU, 64.9% had over 1 year, and 35.1% less than 1 year), with predominance of one wound (67.6%). The changing of wound dressings is performed mostly at home, in and inadequate way, especially with incorrect cleaning techniques, likewise incorrect use of products and substances, and reduced participation of the FHP team on the evaluation and application of the dressing and choosing of products and substances. The compressive therapy is not part of therapeutic conducts for treatment in the FHUs. As for the evaluation of assistance to patients with VU, 90.5% were inadequate and only 9.5% adequate. The main inadequacy factors were the absence of: diagnosis (47.3%), consultation with and angiologist (63.5%), compressive treatment (100.0%), adequate optical therapy (98.62%), adequate dressing kit (70.3%), training for the changing of dressings (67.6%), following by the FHP team (51.4%) and performed exams (55.4%). We ve concluded that patients with VU mostly present now socioeconomical level and associated chronic diseases. Considering that assistance offered by FHP is non-systematic, fragmented, with no diagnosis planning, continual evaluation and evolution, we qualify the assistance as inadequate and with low level of solution, directly interfering on the maintenance of the VUs chronic state

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The aim of the present study was to verify the applicability of anaerobic work capacity (AWC) determined from the critical power model in elite table tennis players. Eight male international level table tennis players participated in the study. The tests undertaken were: 1) A critical frequency test used to determinate the anaerobic work capacity; 2) Wingate tests were performed using leg and arm ergometers. AWC corresponded to 99.5 +/- 29.1 table tennis balls. AWC was not related to peak (r = -0.25), mean (r = -0.02), relative peak (r = -0.49) or relative mean power (r = 0.01), nor fatigue index (r = -0.52) (Wingate leg ergometer). Similar correlations for peak (r = -0.34), mean (r = -0.04), relative peak (r = -0.49), relative mean power (r = -0.14) and peak blood lactate concentration (r = -0.08) were determined in the Wingate arm ergometer test. Based on these results the AWC determined by a modified critical power test was not a good index for measurement of anaerobic capacity in table tennis players.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)