## 13c Nuclear(13c 핵)란 무엇입니까?

13c Nuclear 13c 핵 - Herein, we have investigated the influence of solvent deuteration on the 13C nuclear and electron relaxation that go along with the effects on 13C DNP intensities at 3.^{[1]}

여기에서 우리는 3에서 13C DNP 강도에 대한 영향과 함께 13C 핵 및 전자 이완에 대한 용매 중수소화의 영향을 조사했습니다.

^{[1]}

## fourier transform infrared 푸리에 변환 적외선

The incorporation of NiO and formulation of stable NCs were confirmed by Fourier transform infrared (FT-IR), 1H and 13C nuclear magnetic resonance (NMR), X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), thermogravimetric analysis (TGA).^{[1]}For each of these reactions, the formation of the corresponding CO2 adducts was confirmed by 13C nuclear magnetic resonance and Fourier-transform infrared spectroscopy measurements.

^{[2]}Moreover, the intensity of fourier transform infrared spectroscopy (FT-IR), 1H and 13C Nuclear magnetic resonance spectroscopy (NMR), particle size, dispersion index gradually decreased according to separation and purification, which indicated that a more uniform and stable polysaccharide structure was formed.

^{[3]}The structures of the obtained complex compounds were determined by elemental analysis, fourier transform infrared, 1H and 13C nuclear magnetic resonance, ultraviolet–visible, mass spectrometry, thermogravimetry–differential thermal analysis and magnetic susceptibility techniques.

^{[4]}The as-synthesized composite material (Pd@SP-CMP) was fully characterized by powder X-ray diffraction (PXRD), thermogravimetric analysis (TGA), Fourier transform infrared (FT-IR) spectroscopy, X-ray photoelectron spectroscopy (XPS), and solid-state 13C nuclear magnetic resonance (NMR).

^{[5]}A number of alkanes, arenes, arenols, alkanols, alkenones, esters, and nitrogen-containing organic compounds were identified according to the analyses with Fourier transform infrared spectrometer, gas chromatograph/mass spectrometer, direct analysis in real-time ionization source coupled with ion trap mass spectrometer, and solid-state 13C nuclear magnetic resonance (SS 13C NMR).

^{[6]}The partial disappearance of unsaturation in cured-NRCBD, relative variation of crystallinity, surface properties, elevated thermal stabilities, and ligand-selective superadsorption have been studied by advanced microstructural analyses of unadsorbed and/or adsorbed NRCBD using Fourier transform infrared (FTIR), 13C nuclear magnetic resonance, ultraviolet–visible, and O 1s-/N 1s-/C 1s-/Hg 4f7/2,5/2-X-ray photoelectron spectroscopies, thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction, field emission scanning electron microscopy, energy-dispersive spectroscopy, and pHPZC.

^{[7]}The results of Fourier-transform infrared and solid-state 13C nuclear magnetic resonance spectra as well as density function theory simulation indicated that different hydrogen bonds were formed in two cocrystal, which were the CO⋯HN hydrogen bond between the CO group in CUR and the NH groups in isonicotinamide in cocrystal 1, and CO⋯HO hydrogen bond between phenol OH group in CUR and the CO group in gallic acid in cocrystal 2, respectively.

^{[8]}Ariviyal Publishing Journals ISSN: 2582-3353 : A novel hetero atom containing Schiff base (NCQ) is synthesized by reacting 4-amino antipyrine with 2Chloro-benzo[h]quinoline-3-carbaldehyde and the ligand was characterized using elemental analysis ultraviolet–visible spectroscopy (UV-vis), Fourier-transform infrared spectroscopy (FT-IR), 1H and 13C nuclear magnetic resonance spectroscopy (NMR).

^{[9]}All novel compounds were characterized by 1H, 13C nuclear magnetic resonance (NMR), and Fourier-transform infrared (FT-IR) analyses.

^{[10]}The obtained pellicles were analyzed by Fourier transform infrared spectroscopy, solid-state 13C nuclear magnetic resonance, and X-ray diffraction.

^{[11]}The changes in HA quality were assessed by several chemical (ash, yield and elemental analysis) and spectroscopic techniques (solid-state 13C nuclear magnetic resonance, Fourier transform infrared and fluorescence).

^{[12]}Based on the reported study, four new thioureido derivatives, namely 3-(3-dodecanoyl-thioureido)propionic acid (R1), 2-(3-dodecanoyl-thioureido)-3-methyl butyric acid (R2), (3-dodecanoyl-thioureido)acetic acid (R3) and 2-(3-dodecanoyl-thioureido)-3-phenyl propionic acid (R4) were characterized by elemental analysis, Fourier Transform Infrared (FTIR), 1H Nuclear Magnetic Resonance (1H NMR) and 13C Nuclear Magnetic Resonance (13C NMR), and Ultraviolet Visible spectroscopy (UV-Vis).

^{[13]}The formation of ester groups was detected by Fourier-transform infrared and 13C nuclear magnetic resonance spectroscopy.

^{[14]}The isolated lignin samples were classified as hydroxy-benzaldehyde, vanillin, and syringaldehyde type according to Fourier-transform Infrared Spectroscopy, 1H and 13C Nuclear Magnetic Resonance (NMR) spectra.

^{[15]}The raw material humic acids (HA) and oxidized humic acids (OHAs) were characterized by elemental analysis and ultraviolet visible (UV-Vis), Fourier transform infrared (FTIR), and solid-state 13C nuclear magnetic resonance (NMR) spectroscopy.

^{[16]}Volatile and polysaccharides were analyzed by using LC-MS, Fourier Transform infrared (FTIR) and 13C nuclear magnetic resonance (NMR).

^{[17]}The structure of the new material was characterized using Fourier transform-infrared spectroscopy, cross polarization magic angle spinning 13C nuclear magnetic resonance, thermogravimetric analysis, XRD ray diffraction analysis, differential scanning calorimetry and scanning electron microscopy.

^{[18]}The chemical structure of this biobenzoxazine is characterized by 1H and 13C nuclear magnetic resonance and Fourier transform infrared (FT-IR) spectroscopies.

^{[19]}The molecular structure of the synthesized resin was characterized by Fourier transform infrared spectra (FTIR) and 1H and 13C Nuclear magnetic resonance spectra (NMR).

^{[20]}Characterization of EDAR, and investigations of its adsorption mechanisms using physical, spectroscopic, and theoretical techniques, including fourier transform infrared spectroscopy (FTIR), 13C nuclear magnetic resonance (13C NMR), scanning electron microscope (SEM), Brunauer Emmett Teller (BET) method, elemental analysis, thermogravimetric analysis (TGA), and molecular dynamics calculations, showed that amino groups have a critical role in determining the cation adsorption properties.

^{[21]}Jet A-1 samples were analyzed by electrospray ion mass spectrometry (ESI-MS), Fourier transform infrared (FTIR) and 13C nuclear magnetic resonance (NMR) spectroscopy.

^{[22]}A series of new Schiff base compounds derived from substituted 3-aminopyrazoles and dialdehydes were synthesized and characterized by 1H, 13C nuclear magnetic resonance, Fourier-transform infrared, ultraviolet-visible, gas chromatography-mass spectrometry and high resolution mass spectrometry.

^{[23]}Characterization of these compounds were accomplished using common spectroscopic techniques such as Fourier Transform Infrared (FT-IR), 1H and 13C Nuclear Magnetic Resonance (NMR), UV-Vis spectrometer and mass spectrometry.

^{[24]}The [TPPHSP]Br IL catalyst was characterized by Fourier-transform infrared (FT-IR) spectroscopy, 1H and 13C nuclear magnetic resonance (NMR), and thermogravimetric (TG) analysis and showed good catalytic activity and reusability.

^{[25]}As basic characteristics elemental analysis as well as functional analysis have been used, supported with Fourier transform infrared (FTIR), 13C nuclear magnetic resonance spectrometry and other methods.

^{[26]}The EPS was a linear polymer composed of α-(1 → 6)-linked D-pyranose residues, based on the Fourier transform infrared (FT-IR), 1H, 13C nuclear magnetic resonance (NMR) and heteronuclear single quantum coherence (HSQC) spectra.

^{[27]}Their chemical structures were characterized by Fourier Transform Infrared, 1H and 13C Nuclear Magnetic Resonance spectra and elemental analysis.

^{[28]}A type of Chinese anthracite coal was analyzed by several analytical techniques such as Fourier transform infrared spectrum (FTIR), X-ray photoelectron spectroscopy (XPS), solid-state 13C nuclear magnetic resonance spectrum (NMR), and high-resolution transmission electron microscopy (HRTEM).

^{[29]}The surface and structural properties of these sorbents were characterized using Brunauer-Emmett-Teller specific surface area, Fourier transform infrared spectroscopy, X-ray diffraction spectroscopy, and 13C nuclear magnetic resonance methods.

^{[30]}A series of new Schiff base compounds derived from substituted 3-aminopyrazoles and dialdehydes were synthesized and characterized by 1H, 13C nuclear magnetic resonance, Fourier-transform infrared, ultraviolet-visible, gas chromatography-mass spectrometry and high resolution mass spectrometry.

^{[31]}The chemical structure of the synthesized monomer has been confirmed by 1H and 13C nuclear magnetic resonance (NMR) spectroscopy and Fourier transform infrared (FT-IR) spectroscopy.

^{[32]}In addition to the composition, the chemical and structural features of the different lignins were investigated by Fourier Transform infrared spectroscopy (FTIR), solid-state 13C nuclear magnetic resonance (13C NMR), two-dimensional nuclear magnetic spectrometry (2D NMR), size exclusion chromatography (SEC), and thermal analysis.

^{[33]}The structures, morphologies, and thermal behaviors of these coatings were investigated using Fourier transform infrared (FTIR) spectroscopy, solid-state 13C nuclear magnetic resonance (13C NMR) spectroscopy, X-ray diffraction (XRD), Raman spectroscopy, UV-vis diffuse reflectance spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA).

^{[34]}Fourier transform infrared spectroscopy (FTIR), 13C nuclear magnetic resonance spectroscopy (NMR) and thermogravimetric analysis (TGA) showed that the so-prepared adducts were long chain tertiary amines.

^{[35]}The molecular structures of the synthetic compounds were well-identified by mass spectrometry and 1H/13C nuclear magnetic resonance analysis, and the physicochemical, pH-dependent foaming, and emulsifying properties were evaluated by the use of multiple techniques, such as Fourier transform infrared spectroscopy, differential scanning calorimetry, Langmuir-Blodgett study, and fluorescence microscopy imaging.

^{[36]}The structure of hyperbranched poly(di-MBA-TM10) was characterized along with surface morphology and elemental analysis of coatings via 13C nuclear magnetic resonance (13C NMR), Fourier transform infrared (FTIR), water contact angle (WCA), scanning electron microscopy (SEM), atomic force microscopy (AFM), and X-ray photoelectron spectroscopy (XPS).

^{[37]}The functional group composition of organic carbon was assessed using Fourier transform infrared (FTIR) spectroscopy and solid state 13C nuclear magnetic resonance (NMR) spectroscopy.

^{[38]}The structural characterization (Ultraviolet‐visible spectroscopy, Fourier transform infrared spectroscopy, and 13C Nuclear magnetic resonance spectrometry) revealed that the EPS is an acidic heteropolymer consisting of glucose, glucuronic acid, pyruvic acid, and succinic acid.

^{[39]}Structures of the formed product were confirmed by Fourier Transform Infrared (FTIR) spectroscopy and 1H and 13C Nuclear Magnetic Resonance (NMR) analysis.

^{[40]}Their structures were elucidated by Fourier transform infrared spectroscopy, high-resolution mass spectrometry, 1H and 13C nuclear magnetic resonance analysis.

^{[41]}The degree of sulfation and position of sulfate groups was determined using elemental analysis, Fourier-transform infrared spectroscopy (FTIR), Raman microspectroscopy, and 13C nuclear magnetic resonance (NMR).

^{[42]}A stable crosslinking network was generated in SPI-based films via multiple physical and chemical combinations of WEU, PSF, and soy protein matrixes, and was confirmed by attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy, X-ray diffraction (XRD), and solid state 13C nuclear magnetic resonance (13C NMR).

^{[43]}The ternary metal complexes were characterised by elemental analysis, Fourier transform infrared spectroscopy (FT-IR), 1H and 13C nuclear magnetic resonance (NMR), differential scanning calorimetry (DSC), thermal analyses, Ultraviolet-Visible (UV-Vis).

^{[44]}The structural characterizations via Fourier transform infrared spectroscopy and 13C nuclear magnetic resonance spectrsocopy confirmed the successful preparation of the SWEP resin.

^{[45]}The surface modification of graft copolymers was evident by different physico–chemical techniques like 13C nuclear magnetic resonance (NMR), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscope (SEM), X-ray diffractometer (XRD), differential scanning calorimetry (DSC), Thermo gravimeteric analysis (TGA), and viscometric study.

^{[46]}The characterization of solids using X-ray diffraction, Fourier transform infrared spectroscopy, 13C nuclear magnetic resonance, and X-ray photoelectron spectroscopy, as well as the chemical analysis of the aqueous solution, demonstrated that HDPy+-COO- disintegration accounted for the adsorption synergy.

^{[47]}The molecular structures of the two coals and their oxidised residues (Coal So and Coal Bo) were examined using Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy (ATR-FTIR), X-ray Photoelectron Spectroscopy (XPS) and solid state 13C Nuclear Magnetic Resonance Spectroscopy (13C NMR).

^{[48]}Complementary analyses such as Fourier Transform Infrared (FTIR) spectroscopy, 1H and 13C Nuclear Magnetic Resonance (NMR) spectroscopy, thermal stability; Thermogravimetric analysis (TGA) and Differential Scanning Calorimetry (DSC) were utilized to characterize all isolated lignin samples.

^{[49]}The influence of different processing treatments on the structural and physicochemical characteristics of pea starch was investigated by X-ray diffraction (XRD), solid-state 13C nuclear magnetic resonance (13CNMR), Fourier transform infrared spectroscopy (FT-IR), small angle X-ray scattering (SAXS), differential scanning calorimeter (DSC), and scanning electron microscope.

^{[50]}

NiO의 통합 및 안정적인 NC의 형성은 푸리에 변환 적외선(FT-IR), 1H 및 13C 핵자기 공명(NMR), X선 회절(XRD), 투과 전자 현미경(TEM), 주사 전자 현미경(TEM)에 의해 확인되었습니다. SEM), 열중량 분석(TGA).

^{[1]}이러한 각 반응에 대해 상응하는 CO2 부가물의 형성은 13C 핵 자기 공명 및 푸리에 변환 적외선 분광법 측정에 의해 확인되었습니다.

^{[2]}nan

^{[3]}nan

^{[4]}nan

^{[5]}nan

^{[6]}nan

^{[7]}nan

^{[8]}nan

^{[9]}nan

^{[10]}nan

^{[11]}nan

^{[12]}nan

^{[13]}nan

^{[14]}nan

^{[15]}nan

^{[16]}nan

^{[17]}새로운 물질의 구조는 푸리에 변환-적외선 분광법, 교차 편광 마법각 회전 13C 핵 자기 공명, 열중량 분석, XRD 선 회절 분석, 시차 주사 열량 측정 및 주사 전자 현미경을 사용하여 특성화되었습니다.

^{[18]}nan

^{[19]}nan

^{[20]}nan

^{[21]}nan

^{[22]}nan

^{[23]}nan

^{[24]}nan

^{[25]}nan

^{[26]}nan

^{[27]}nan

^{[28]}nan

^{[29]}nan

^{[30]}nan

^{[31]}nan

^{[32]}nan

^{[33]}nan

^{[34]}nan

^{[35]}nan

^{[36]}nan

^{[37]}nan

^{[38]}nan

^{[39]}nan

^{[40]}nan

^{[41]}nan

^{[42]}nan

^{[43]}nan

^{[44]}nan

^{[45]}nan

^{[46]}nan

^{[47]}nan

^{[48]}nan

^{[49]}nan

^{[50]}