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Método de varredura para exame de criadouros de vetores de dengue e febre amarela urbana
Kubota,Roseane Lieko; Brito,Marylene de; Voltolini,Júlio Cesar;
Revista de Saúde Pública , 2003, DOI: 10.1590/S0034-89102003000200017
Abstract: to estimate the minimum numbers of "sweepings" for a representative sampling of larvae in a large container. 200 larvae in 4th stage were added in an 80-liter drum to carry out the experiment, in each retort was made 10 sweepings using a plastic sieve. two hundred larvae in stage 4 were added to an 80-liter-drum and using a plastic sieve10 sweepings were carried out in each experiment replicate. the results showed that 8 sweepings were enough to collect up to 72% of the total sample in the container, i.e., an average of 143±1.97. the proposed method proved to be easily and effectively implemented and allowed for the inspection of containers with large water volumes. these findings reinforce its use as an important potential tool in the routine vectorial surveillance of control programs of dengue and yellow fever.
Método de varredura para exame de criadouros de vetores de dengue e febre amarela urbana
Kubota Roseane Lieko,Brito Marylene de,Voltolini Júlio Cesar
Revista de Saúde Pública , 2003,
Representa??o social e ideologia: conceitos intercambiáveis?
Xavier, Roseane;
Psicologia & Sociedade , 2002, DOI: 10.1590/S0102-71822002000200003
Abstract: the subject of this article is the theory of social representations. its objective also constitutes its hypothesis: the possibility of allying the psychosocial interpretation and the sociological interpretation of moscovici's concept, linking it with althusser's and gramsci's concepts of ideology and hegemony, and establishing a dialogue with laclau and mouffe's concept of articulatory practice. the issue that surrounds this discussion concerns the restriction of the moscovician concept to the moment of interaction and its insufficiency in incorporating the scope of conflict and power relationships. the concepts of ideology and hegemony are also unable to recognize that many ideas, values and theories implicit in the life world are not necessarily connected to historical relations of domination, neither to the class struggle. the author argues that such concepts can be efficiently articulated provided that the concept of social representation is broadened in its cognitive and psychosocial character, and the concepts of ideology and hegemony are revised in their essentialism and determinism. the bridge between moscovici's concept of social representation and the others is made through althusser's notions of "general ideology", gramsci's "theories of common sense" and the recovery of the gramscian concept of hegemony as a discursive practice in laclau and mouffe's post-structuralist approach.
Representa o social e ideologia: conceitos intercambiáveis?
Xavier Roseane
Psicologia & Sociedade , 2002,
Abstract: O objeto deste artigo é a Teoria das Representa es Sociais. Seu objetivo constitui também sua hipótese: a possibilidade de aliar a leitura psicossocial a uma leitura sociológica do conceito de Moscovici, articulando-o com os conceitos de ideologia e hegemonia de Althusser e Gramsci, e estabelecendo diálogo com o conceito de prática articulatória de Laclau e Mouffe. A problemática que envolve essa discuss o se refere à restri o do conceito moscoviciano ao momento da intera o e sua insuficiência para abranger o ambito do conflito e das rela es de poder. Aos conceitos de ideologia e hegemonia, por sua vez, faltaria espa o para o reconhecimento de que muitas idéias, valores e teorias implícitas no mundo vivido n o est o necessariamente ligados a rela es históricas de domina o, tampouco à luta de classes. A autora defende que tais conceitos podem ser eficientemente articulados, desde que o conceito de representa o social seja ampliado em seu caráter cognitivo e psicossocial, e os conceitos de ideologia e hegemonia sejam revistos em seu essencialismo e determinismo. A ponte entre o conceito de representa o social de Moscovici e os demais é feita através das no es de "ideologia geral" de Althusser, de "teorias do senso comum" de Gramsci e do resgaste do conceito gramsciano de hegemonia como prática discursiva na abordagem pós-estruturalista de Laclau e Mouffe.
Globalization viewed by the opinion journalists A globaliza o na ótica do jornalismo opinativo
Roseane Andrelo
Estudos de Sociologia , 2007,
Gender differences and laterality in maximal handgrip strength and controlled force exertion in young adults  [PDF]
Hiroshi Kubota, Shinichi Demura
Health (Health) , 2011, DOI: 10.4236/health.2011.311115
Abstract: This study examines gender differences and laterality in maximal handgrip strength and controlled force exertion (CFE) in young adults. The subjects were 75 healthy young males (mean age 19.6 ± 1.6 yrs.) and 50 healthy young females (mean age 20.9 ± 1.9 yrs.). Maximal handgrip strength was measured twice. The subjects performed the CFE test three times after one practice trial. They matched their handgrip strengths to the demand values, which constantly changed and ranged from 5 to 25% of maximal handgrip strength. The difference between the demand value and the grip exertion value was used as an estimate of CFE. Maximal handgrip strength was significantly larger in males than in females in both the dominant and non-dominant hands, and was significantly larger in the dominant hand in both males and females. Insignificant gender differences were found in CFE of both hands. CFE was significantly superior in the dominant hand in both genders. In conclusions, gender differences are present in maximal handgrip strength of the dominant and non-dominant hands in young adults, but not in CFE of both hands. Laterality exists in maximal handgrip strength and in CFE for both genders.
Role on Moment of Inertia and Vortex Dynamics for a Thin Rotating Plate  [PDF]
Yoshihiro Kubota, Osamu Mochizuki
World Journal of Mechanics (WJM) , 2013, DOI: 10.4236/wjm.2013.36028

In this study, we focused on the lift generation with a thin rotating plate. The objective of this study is to understand the appropriate shape and the role of vortex for rotating thin plate. We determined the shape of the plate through free-flight tests of paper strips and investigated the aerodynamic characteristics of the rotating plate with the selected shape. The rectangular plate with an aspect ratio 7 was relevant from moment of inertia and bending stress. An endplate on a wing tip increased the stability on the lateral vortex structure behind the rotating plate. Velocity field measurement by Particle Image Velocimetry (PIV) showed that the lift force was generated twice in a rotating cycle.

Numerical Investigation of Aerodynamic Characteristics by a Rotating Thin Plate  [PDF]
Yoshihiro Kubota, Osamu Mochizuki
World Journal of Mechanics (WJM) , 2015, DOI: 10.4236/wjm.2015.53005
Abstract: In this study, we use a thin rotating plate to generate propulsion and lift for a paper plate. And the thin plate rotates along the spanwise axis. We numerically determine the influence on aerodynamic characteristics with a rotational velocity of the thin plate. The rotational velocity is obtained with spin parameter which is the ratio of the peripheral speed of the plate to the main flow velocity. And the numerical simulations based on the discrete vortex method show that the autorotation mode of the plate in a uniform flow appears naturally when the spin parameter is unity. Vortex formed from the backward-rotating edge is weaker than those generated from the forward-rotating edge of thin plate. The maximum lift generated at S = 0.75 if S < 1. The negative moment becomes negative for the nondimensional rotating speed S ≤ 1.75. The most negative moment appears when S = 1; at that time, autorotation occurs naturally.
Splash Formation Due to a Frog Diving into Water  [PDF]
Yoshihiro Kubota, Osamu Mochizuki
World Journal of Mechanics (WJM) , 2015, DOI: 10.4236/wjm.2015.57014
Abstract: Herein, we present the results of our experimental investigation of splashes formed by a frog diving into water from the ground or from a leaf and the accompanying sound generated by the impact of the frog on the water. The experiments are performed by visualizing the flow with a high-speed camera. In addition, we used physical models comprising hydrophilic bodies made from hydrogel or acrylic resin to experimentally study how hydrophilicity affects the splash. In these experiments, we use the degree of swelling to define the hydrophilicity degree. The results show that different splashes are caused by the increase in water-film velocity upon an increase in hydrophilicity. For a body with strong hydrophilicity, at a relatively high film velocity, the water film forms when the body impacts the water surface separates from the body surface. In addition, an aircavity forms when the film separates from the body. We empirically examine the relation between the hydrophilicity degree and film velocity. The results indicate that increased hydrophilicity does not reduce the splash. Therefore, we conclude that reducing of the formation of water from the biomimetic point of view is related to the shape of body.
Teatro da Paz: histórias invisíveis em Belém do gr?o-Pará
Souza, Roseane Silveira de;
Anais do Museu Paulista: História e Cultura Material , 2010, DOI: 10.1590/S0101-47142010000200003
Abstract: teatro da paz ("peace theater"), in belém, capital of state of pará, is one of the most representative neo-classical opera houses in brazil. its remarkable history and features resulted of a deep process of architectonic renewal occurred between 1904 and 1905, when it had also a sort of rich elements of decoration incorporated. as a result, the process hidden facts happened from the building (1869-1878), following by the opening and functioning (1878-1887), until the first important renovation (1887-1890), involving improper management of public sources, conflicts between engineers, litigations, the intense public uses for nine years and the participation of two recognized artists, the italian domenico de angelis and the brazilian chrispim do amaral, in the first renovation. uncovering these invisible histories, outsider histories, give to monument back its human, social dimension.
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