Results 71 to 80 of about 326 (101)

FTIR Spectra of Organoarsenic Compounds

open access: yes
uATR FTIR (diamond crystal) spectra of several organoarsenic compounds-organo-arsenic compounds were synthesized and purified by the Maher group from the University of ...

core   +1 more source

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

open access: yesPolímeros, 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   +3 more
doaj   +1 more source

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

open access: yesPolímeros
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   +7 more
doaj   +1 more source

Synthesis of graphene oxides particle of high oxidation degree using a modified Hummers method

open access: yes, 2020
High-oxidation-degree graphene oxide particles were synthesized using a modified Hummers' method. Six different types of particles were synthesized by varying the operating conditions, including the temperature, the reactant ratios, and the oxidation ...
Atieh, M.   +4 more
core   +1 more source

FTIR Analysis of Crosslinked Cotton Fabric Using a ZnSe Universal Attenuated Total Reflectance [PDF]

open access: yes, 2005
Two cotton fabrics were treated with increasing amounts of a textile-finishing agent (l,3-dimethyl·4,5- dihydroxy-2-imidazolidinone) to impart durable press properties.
Turner, Chris   +3 more
core  

Fourier Transform Infrared Analysis of Trehalulose and Sticky Cotton Yarn Defects Using ZnSe-Diamond Universal Attenuated Total Reflectance [PDF]

open access: yes, 2005
The universal attenuated total reflectance Fourier transform infrared (UATR-FTIR) equipped with a ZnSe-diamond composite crystal accessory was used to investigate the implication of trehalulose in the formation of yarn defects during rotor spinning of ...
Abidi, Noureddine, Hequet, Eric
core  

Cotton Fabric Graft Copolymerization Using Microwave Plasma. I. Universal Attenuated Total Reflectance- FTIR Study [PDF]

open access: yes, 2004
The effect of microwave plasma on lightweight cotton fabric was investigated. N2-plasma, O2- plasma, and Ar-plasma were obtained using a microwave generator at 2.45 GHz under vacuum.
Abidi, Noureddine, Hequet, Eric
core  

More Perspectives Mean Better: Underwater Target Recognition and Localization with Multimodal Data via Symbiotic Transformer and Multiview Regression

open access: yes, 2023
Underwater acoustic target recognition (UATR) and localization (UATL) play important roles in marine exploration. The highly noisy acoustic signal and time-frequency interference among various sources pose big challenges to this task.
Fan, Xiaoya, Wu, Guowei, Liu, Shipei
core  

An End-to-End Underwater Acoustic Target Recognition Model Based on One-Dimensional Convolution and Transformer

open access: yesJournal of Marine Science and Engineering
Underwater acoustic target recognition (UATR) is crucial for defense and ocean environment monitoring. Although traditional methods and deep learning approaches based on time–frequency domain features have achieved high recognition rates in certain tasks,
Kang Yang   +3 more
doaj   +1 more source

Study by FT-IR Technique and Adhesive Properties of Vulcanized EPDM Modified with Plasma

open access: yesJournal of Aerospace Technology and Management, 2013
http://dx.doi.org/10.5028/jatm.v5i1.163 The surface of vulcanized ethylene propylene diene terpolymers (EPDM) was modified by Ar and N2, microwave generated plasma in order to improve adhesion properties.
Renata Patrícia Santos   +4 more
doaj  

Home - About - Disclaimer - Privacy