997 resultados para Color technology


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[EN] The purpose of this paper is to present a theoretical overview of innovation management and the tools that can aid in this endeavour. The paper adopts a user-oriented description, aiming at making SMEs familiar with the possibilities opened by innovation management tools in general and technology outlook in particular.

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Habilidades interpessoais é uma das especializações necessárias ao gerenciamento de projetos. O planejamento estratégico da Câmara dos Deputados e o do Centro de Informática apontam a tendência para a gestão, tais como gestão de projetos, de processos, de pessoas, por exemplo. Assim como cada projeto é único, cada pessoa é única, com talentos, mas também com necessidade de desenvolvimento de algumas competências e habilidades e mudança de atitudes. Este trabalho visa a identificar o perfil dos gerentes de projetos do Centro de Informática da Câmara dos Deputados baseado nas competências de conhecimento, desempenho e pessoais do Framework de Desenvolvimento de Competências do Gerente de Projeto.

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A study was conducted on a small pond in southeast Texas to evaluate the potential for using remote sensing technology to assess feeding damage on giant salvinia ( Salvinia molesta Mitchell) by the salvinia weevil ( Cyrtobagous salviniae Calder and Sands). Field spectral measurements showed that moderately damaged and severely damaged plants had lower visible and near-infrared reflectance values than healthy plants. Healthy, moderately damaged, and severely damaged giant salvinia plants could be differentiated in an aerial color-infrared photograph of the study site. Computer analysis of the photograph showed that the three damage level classes could be quantified. (PDF has 5 pages.)

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Waterlettuce ( Pistia stratiotes L.) is a free-floating exotic aquatic weed that often invades and clogs waterways in the southeastern United States. A study was conducted to evaluate the potential of using remote sensing technology to distinguish infestations of waterlettuce in Texas waterways. Field reflectance measurements showed that waterlettuce had higher visible green reflectance than associated plant species. Waterlettuce could be detected in both aerial color- infrared (CIR) photography and videography where it had light pink to pinkish-white image tonal responses. Computer analysis of CIR photographic and videographic images had overall accuracy assessments of 86% and 84%, respectively. (PDF contains 6 pages.)

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二十世纪八十年代,当比利时冶金研究中心(CRM)开发出CO_2激光毛化冷轧辊技术后,尝试用YAG激光进行轧辊毛化一直吸引着众多的研究者,这是因为YAG(1.06μm)激光波长比CO_2(10.6μm)激光波长短一个量级,材料对YAG激光有更高的吸收率,并用YAG激光可以聚焦到更小的光斑尺寸,同时使用电信号驱动的声光开关技术便于对毛化分布进行可设定控制。但是用传统声光调制的YAG激光虽然可以碇以很高的脉冲频率(>30kHz),但单脉冲有量仅为10mJ左右,难以达到辊面毛化粗糙度的要求,因此人们认为YAG激光用于毛化的主要困难是脉冲能量太小。