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The synthesized compounds have been characterized on the basis of elemental analyses, infrared spectroscopy (IR), and nuclear magnetic resonance (NMR).
      
The Infrared spectra used for ISC and ISC-Co are discussed.
      
The product of photocatalytic oxidation was detected by Fourier transform-Infrared.
      
Both infrared spectra and melting point of the compound were consistent with those reported earlier.
      
Both monomers and polymers were characterized by Fourier transform infrared spectroscopy, 1H nuclear magnetic resonance, and elemental analysis measurements, and their structures were identified.
      
Their structures are confirmed by Infrared, 1H nuclear magnetic resonance, and elementary analysis.
      
Its structure was characterized by elemental analysis, diffuse reflectance infrared Fourier transform spectroscopy, and thermal analysis.
      
The structure of the titled compound is determined by infrared spectrum(IR), proton nuclear magnetic resonance (HNMR), and mass spectrum (MS) and elemental analysis (EA).
      
Their structures were characterized by an infrared (IR) spectrum and their thermal resistance was conducted with thermal gravity (TG) and differential scanning calorimetry (DSC).
      
Chemically bonded silica gel was characterized by transmission electron microscopy (TEM), infrared (IR), and other methods.
      
The Brill transition of even-even polyamide 618 was investigated using differential scanning calorimetry (DSC), temperature-dependent wide angle X-ray diffraction (WAXD) and Fourier transform infrared (FTIR).
      
Fourier transform infrared spectroscopy and thermal gravimetric analysis were used to detect the imidization and thermolysis processes of PAA/PU blends under thermal treatment.
      
Fourier transform infrared (FTIR) analysis was used to identify the chain structure of the UV-curable polyurethane prepolymer based on HTPB and the curing process.
      
The resulting material or Compound A was cyclizative; its structure and properties were characterized by infrared (IR), Differential Scanning Calorimetry (DSC), Nuclear Magnetic Resonance (NMR) and elemental analysis.
      
The structure of BCVL was characterized by 1H-nuclear magnetic resonance (NMR), infrared (IR), and mass spectrometry (MS).
      
The structure was elucidated by spectroscopy methods, including nuclear magnetic resonance (NMR) (1D and 2D), infrared spectroscopy (IR), and mass spectrometry (MS).
      
Seven new 5-(2-hydroxy-phenyl)-3-methyl-4,5-dihydropyrazole-1-carbothioamide derivatives (3a-3g) were synthesized by the acylation of 2 and characterized by means of elemental analysis, infrared (IR), and 1H nuclear magnetic resonance (NMR).
      
The novel compounds were identified by elemental analysis, and by infrared (IR), 1H-nuclear magnetic resonance (NMR), and mass (MS) spectrometry.
      
Fourier transform infrared spectroscopy analysis showed that DHPDMS had been incorporated into the polyurethane chains.
      
Fourier transform infrared spectroscopy (FTIR) results show that the special coupling agent POE-g-MAH, in a chemical reaction with CaCO3, can produce an interfacial layer stronger than simple physical adhesion attained with usual coupling agents.
      
 

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