1999
DOI: 10.1590/s0103-50531999000400001
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Editorial

Abstract: Em 1986, quan do al guns pes qui sa do res do Rio de Ja ne i ro sen ti ram ne ces si da de de com prar equi pamen tos de Res so nân cia Mag né ti ca Nu cle ar (RMN) de úl ti ma ge ra ção, foi cri a do o Gru po Infor mal de Usuá ri os de RMN que , em 1987, re a li zou, com cer ca de 40 quí mi cos e fí si cos, o I Encon tro de Usuá ri os de RMN no Bra sil. Nes ta épo ca, ape nas 1 es pec trô metro de alto cam po ha via sido ins ta la do no país e apenas uma das 3 prin ci pa is em pre sas fa bri can tes de equi p… Show more

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“…[ 18 ] It has practical advantages over alternative thermometry techniques like fluorescence lifetime measurements, since, among other reasons, it is immune to pump light fluctuations and it can be done with continuous‐wave (CW) excitation. [ 19 ]…”
Section: Introductionmentioning
confidence: 99%
“…[ 18 ] It has practical advantages over alternative thermometry techniques like fluorescence lifetime measurements, since, among other reasons, it is immune to pump light fluctuations and it can be done with continuous‐wave (CW) excitation. [ 19 ]…”
Section: Introductionmentioning
confidence: 99%
“…Temperature is one of the most important physical parameters, being measured very frequently in research as well as in industrial processes. The fluorescence intensity ratio (FIR) technique, based on the luminescence dependent temperature sensing is a very popular technique because of its measurement accuracy, reliability and lesser dependency on the recording conditions [1][2][3]. One feature of the FIR technique worth mentioning is its strain independency, which reduces its cost and complexity and eventually promotes its adaptability [4].…”
Section: Introductionmentioning
confidence: 99%