Hygrometry
Mostrando 1-3 de 3 artigos, teses e dissertações.
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1. Sensor polimerico de umidade relativa com circuito condicionador de sinais integrado / Polymeric relative humidity sensor with integrated signal conditioning circuit
Este trabalho descreve o desenvolvimento de um sensor de umidade relativa que tem como elemento sensor um polímero (poli(óxido de etileno-co-epicloridrina)84:16), cuja condutividade varia com a umidade. O polímero foi depositado por casting sobre um substrato cerâmico sobre o qual, por sua vez, foram depositados dois eletrodos em forma interdigitada aos
Publicado em: 2005
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2. Conformation of DNA in chromatin protein-DNA complexes studied by infrared spectroscopy.
The following observations concerning the DNA secondary structures in various nucleohistone complexes were made by infrared spectroscopy: 1/ in chromatin, chromatin extracted by 0.6 M NaCl, nucleosomes, and histone-DNA reconstituted complexes, the DNA remains in a B type conformation at low relative hygrometry; 2/ in chromatin extracted by tRNA and in non hi
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3. Baroreceptor modulation of cutaneous vasodilator and sudomotor responses to thermal stress in humans.
1. The influence of baroreceptor unloading on cutaneous vasodilatation was investigated in ten human subjects during dynamic supine cycle ergometer exercise at 28 degrees C. Increases in forearm skin blood flow (venous occlusion plethysmography) and arterial blood pressure (non-invasive) were measured and used to calculate forearm vascular conductance while