20th Century Science
Mostrando 1-12 de 50 artigos, teses e dissertações.
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1. History of dermatology: the study of skin diseases over the centuries
Abstract The study of skin, the science of dermatology, has undergone significant transformations throughout the centuries. From the first descriptions of skin diseases in Egyptian papyri and in Hippocratic writings to the first treatises on dermatology, important individuals and discoveries have marked the specialty. In the 18th and 19th centuries, the spec
An. Bras. Dermatol.. Publicado em: 2021-06
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2. Crusted scabies mimicking psoriasis in a patient with type 1 diabetes mellitus
Abstract The study of skin, the science of dermatology, has undergone significant transformations throughout the centuries. From the first descriptions of skin diseases in Egyptian papyri and in Hippocratic writings to the first treatises on dermatology, important individuals and discoveries have marked the specialty. In the 18th and 19th centuries, the spec
An. Bras. Dermatol.. Publicado em: 2021-06
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3. Beefy red asymptomatic penile lesion: unusual presentation of squamous cell carcinoma
Abstract The study of skin, the science of dermatology, has undergone significant transformations throughout the centuries. From the first descriptions of skin diseases in Egyptian papyri and in Hippocratic writings to the first treatises on dermatology, important individuals and discoveries have marked the specialty. In the 18th and 19th centuries, the spec
An. Bras. Dermatol.. Publicado em: 2021-06
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4. Dermoscopy of crusted lesion: diagnostic challenge and choice of technique for the analysis
Abstract The study of skin, the science of dermatology, has undergone significant transformations throughout the centuries. From the first descriptions of skin diseases in Egyptian papyri and in Hippocratic writings to the first treatises on dermatology, important individuals and discoveries have marked the specialty. In the 18th and 19th centuries, the spec
An. Bras. Dermatol.. Publicado em: 2021-06
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5. A noção de documento no espaço-tempo da Ciência da Informação: críticas e pragmáticas de um conceito
Resumo Diante da crescente discussão internacional sobre uma possível neodocumentação, em oposição a uma menor disseminação da abordagem clássica da Documentação, torna-se necessário tratar da relação entre as duas abordagens para uma compreensão da noção de documento em Ciência da Informação, bem como reconhecer a vigência de outras tra
Perspect. ciênc. inf.. Publicado em: 05/09/2019
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6. Os modelos na ciência: traços da evolução histórico-epistemológica
Resumo O que é um modelo? Neste artigo apresentamos alguns aspectos históricos e epistemológicos da noção de modelo desde sua inserção na ciência até a sua concepção mais contemporânea. O cenário é limitado às ciências formais e factuais. Analisando algumas discussões entre filósofos da ciência e cientistas, a respeito das diferentes noç�
Rev. Bras. Ensino Fís.. Publicado em: 10/06/2019
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7. FOTOELETROCATÁLISE EM SEMICONDUTORES: DOS PRINCÍPIOS BÁSICOS ATÉ SUA CONFORMAÇÃO À NANOESCALA
The science of semiconductors, essential in electronics, is pivotal also for the most active research fields of environmental science and engineering today - the development of solar energy conversions and advanced oxidation processes, exemplified by the harvesting of sun daylight to produce electric energy, environmentally friendly fuels and to clean up wat
Quím. Nova. Publicado em: 2018-03
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8. Science Fiction im Werk von Friedrich Dürrenmatt
Abstract Besides his plays, Friedrich Dürrenmatt was known for his incursions in the detective novel, where he challenged the limits of the genre; one of his texts is even subtitled Requiem for the Detective Novel. Less known is the fact that he also published texts inspired by science fiction, such as the radio play Das Unternehmen der Wega (1954), and the
Pandaemonium ger.. Publicado em: 2017-12
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9. Por que pensamento e não teoria?: a imaginação político-social brasileira e o fantasma da condição periférica (1880-1970)
Why Thought and not Theory? The Brazilian Political and Social Imagination and the Spectrum of Peripheral Condition (1880-1970) Why do we refer to Brazilian political reflection as Thought rather than theory? The hypothesis I intend to explore here is that in Brazil, themain reason for the term "thought" to refer to the country's intellectual products lies i
Dados. Publicado em: 2013-12
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10. La introducción del concepto de fotón en bachillerato
Research has shown how important is the history of science for designing and developing didactic units, for its value to promote learning and for its contribution to the students attitudes and the image of science that they learn. Physics faced a strong crisis at the beginning of the 20th century when the quantum hypothesis was introduced. The discrete distr
Rev. Bras. Ensino Fís.. Publicado em: 2013-06
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11. Plant physiology as affected by humified organic matter
Since the beginning of Human civilization, the soil organic matter has been used as plant growth promoter and/or regulator. Indeed, early in plant science history, even before the auxin concept has been established, the term "auximones" was coined to describe plant growth promoting humic acids derived from peat. Despite of this, until the end of the 20th cen
Theor. Exp. Plant Physiol.. Publicado em: 2013
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12. A imagem técnica nos processos comunicacionais e a definição do espaço virtual / The technical image on the communicational processes and the definition of virtual space
Towards the extensive use of the images in the media and its increasing popularity in the digital landscape, this dissertation studies what changes it makes extensive use of the images on communication and modern science. So, we gathered concepts developed by the philosopher Flusser (1920-1991) and dealing with the transmission of visual information in two-d
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/05/2012