Results 1 to 10 of about 1,126 (135)

EFFECT OF ANTIHYPERTENSIVE TREATMENT ON PERIPHERAU NERVE VASC UATRE IN SPONTANEO SUY HYPERTENSIVE RATS

Clinical and Experimental Hypertension, 2001
The influence of hypertension and of treatment with the dihydropyridine-type Ca+2 antagonist nicardipine on peripheral nerve vasculature were investigated in spontaneously hypertensive rats (SHR). Male SHR were treated from the 16th to the 26th week of age with vehicle (control group), with nicardipine, at the hypotensive dose of 3 mg/kg/day, or at the
SABBATINI, Maurizio, BELLAGAMBA G., VEGA J. A., AMENTA F.   +3 more
openaire   +4 more sources

A Novel ViT Model with Wavelet Convolution and SLAttention Modules for Underwater Acoustic Target Recognition

Journal of Marine Science and Engineering
Underwater acoustic target recognition (UATR) technology plays a significant role in marine exploration, resource development, and national defense security.
Haoran Guo, Biao Wang, Tao Fang, Biao Liu   +3 more
doaj   +1 more source

Quantification of natural rubber blends by reflection/reflectance infrared and confocal Raman spectroscopy: a comparison of statistical methods [PDF]

Anais da Academia Brasileira de Ciências
The blend of butadiene and acrylonitrile copolymer (NBR) with natural poly-cis-isoprene (NR) shows increased resistance to swelling in solvents in comparison to the individual components. In aerospace, NBR rubber is used as thermal protection for rockets
ALAN PASSERO, KARYN M. FERREIRA, MILTON F. DINIZ, NATALIA B. SANCHES, JAVIER CARLOS Q. AMADO, RITA DE CÁSSIA L. DUTRA   +5 more
doaj   +1 more source

Validation of the Method for Determining Caffeine Content in Green Tea with FTIR UATR

INDONESIAN JOURNAL OF CHEMICAL RESEARCH
The FTIR UATR method for quantifying caffeine in green tea samples was validated. ATR (Attenuated Total Reflectance) , a technique for direct analysis without sample preparation, was employed. Caffeine was determined at peak absorption between 1600 and 1700 cm-1.
openaire   +2 more sources

ANÁLISE DE MEDICAMENTOS CONTENTO CLORIDRATO DE CICLOBENZAPRINA POR ESPECTROSCOPIA NO INFRAVERMELHO

Revista UniVap, 2017
O cloridrato de ciclobenzaprina é um dos medicamentos mais utilizados para atuar no relaxamento muscular e alivio de dores agudas ou crônicas, promovendo uma diminuição nos espasmos musculares, torcicolos e dor lombar. Este trabalho propõe-se a analisar,
Willian de Carvalho Nunes, Kumiko Koibuchi Sakane   +1 more
doaj   +1 more source

Infrared Spectroscopy Applied to Materials Used as Thermal Insulation and Coatings

Journal of Aerospace Technology and Management, 2013
http://dx.doi.org/10.5028/jatm.v5i4.265 It is very important to control the characteristics of a polymer used in rubber compositions and paints in aerospace applications.
Natália Beck Sanches, Ricardo Pedro, Milton Faria Diniz, Elizabeth da Costa Mattos, Silvana Navarro Cassu, Rita de Cássia Lazzarini Dutra   +5 more
doaj  

Leveraging Prior Knowledge in Semi-Supervised Learning for Precise Target Recognition

Remote Sensing
Underwater acoustic target recognition (UATR) is challenged by complex marine noise, scarce labeled data, and inadequate multi-scale feature extraction in conventional methods.
Guohao Xie, Zhe Chen, Yaan Li, Mingsong Chen, Feng Chen, Yuxin Zhang, Hongyan Jiang, Hongbing Qiu   +7 more
doaj   +1 more source

Quantification of elastomers in CR/NR/BR blends [PDF]

Polímeros
Using ternary blends is a technological solution to combine the best characteristics of different elastomers. Quantifying rubbers in a blend, in which each content influences the result, is a task complex and usually requires the coupling of techniques ...
Taynara Alves de Carvalho, Alexandra Helena de Barros, Rachel Farias Magalhães, Milton Faria Diniz, Lídia Mattos Silva Murakami, Jorge Carlos Narciso Dutra, Natália Beck Sanches, Rita de Cássia Lazzarini Dutra   +7 more
doaj   +1 more source

UTILIZAÇÃO DE TÉCNICAS ESPECTROSCÓPICAS NO INFRAVERMELHO (FTIR-UATR), ACOPLADAS A ANÁLISES ESTATÍSTICAS MULTIVARIADAS, NA ANÁLISE DE QUALIDADE DE COLORÍFICOS ALIMENTÍCIOS CONTENDO URUCUM

Revista Univap
Food colorings (FCs) have the important function of improving the appearance and flavor of foods. There are two types of FCs: the artificial ones, which are obtained by chemical synthesis, and the natural ones, which are extracted from natural sources.
Devanir De Sousa Corrêa, Lucas Ferreira Lyra, Fatima Maria Broca, Ana Maria Barbosa, Kumiko Koibuchi Sakane   +4 more
openaire   +2 more sources

Quantificação por NIR/MIR de resina poliuretânica em misturas binárias com nitrocelulose utilizadas em tintas

Polímeros, 2014
Foi elaborada uma nova metodologia nas regiões do infravermelho médio (MIR) e do infravermelho próximo (NIR), usando-se técnicas de Reflexão e/ou Transmissão para a determinação do teor de resina poliuretânica (PU) em misturas binárias com nitrocelulose (
Viviane Cristine Rodrigues, Rita de Cássia Lazzarini Dutra, Milton Faria Diniz, Elizabeth da Costa Mattos   +3 more
doaj   +1 more source