Macroscopic Mechanical Properties and Microscopic Bonding Mechanisms of Glass Fiber-Modified Loess by Le Li, Wanjun Ye, Yang Bai, Yuntao Wu

“…With the help of scanning electron microscopy (SEM), the pores and cracks image analysis system (PCAS) and nuclear magnetic resonance (NMR) tests, the microscopic properties of the improved loess were studied qualitatively and quantitatively from three aspects: mode of structural contact, pore morphological characteristics and pore structure arrangement characteristics. …”
Get full text

Effects of Antifreeze Proteins on the Quality of Frozen Pork by LIAO Hongmei, WANG Shanglong, ZHANG Baoxue, DING Yinyin, LIU Mingguang, XIONG Guoyuan

“…The shear force and total sulfhydryl content of myofibrillar proteins in the 0.2 and 0.3 mg/mL AFP groups were significantly higher than those of the control group (P < 0.05). nuclear magnetic resonance imaging (NMRI) discovered that the infiltration of AFP reduced the loss of bound and immobile water in pork. …”
Get full text

Improved Reactivity of Fly Ash-Slag Geopolymer by the Addition of Silica Fume by N. K. Lee, G. H. An, K. T. Koh, G. S. Ryu

“…The silicate structure was also analyzed by nuclear magnetic resonance (NMR) spectroscopy. From these results, it was found that the replacement of fly ash with the silica fume led to a significant decrease in the Q4(1Al) and an increase in the Q4(2Al), Q4(3Al), and Q4(4Al). …”
Get full text

Structural Characterization of Functional Ingredient Levan Synthesized by Bacillus siamensis Isolated from Traditional Fermented Food in Thailand by Nattapong Thakham, Supphasin Thaweesak, Nuttinee Teerakulkittipong, Natthiwut Traiosot, Autaipohn Kaikaew, Gary Antonio Lirio, Witawat Jangiam

“…Structural characterization of levan via Fourier-transform infrared spectroscopy (FTIR) and 1H and 13C nuclear magnetic resonance (NMR) spectroscopy showed β-(2,6)-fructofuranose linkages. …”
Get full text

Light-induced rearrangement from macrocyclic to bicyclic lactam: A case study of N-chlorinated laurolactam by Zubčić Gabrijel, Pavić Kristina, You Jiangyang, Vrček Valerije, Portada Tomislav, Bešić Erim, Šakić Davor

“…With irradiation provided by a 370 nm lamp, light-induced rearrangement reaction was monitored using nuclear magnetic resonance (NMR), while involved radical intermediates were trapped using N-tert-butyl-α-phenylnitrone (PBN) spin-trap and characterised via EPR. …”
Get full text

Study on Microstructure Differences of Coal Samples before and after Loading by Jiajia Liu, Yingxiang Fang, Gaini Jia, Shouqi Chen, Jianmin Hu

“…In order to study this difference, the authors carried out mercury intrusion experiments on coal containing different coal samples and used nondestructive nuclear magnetic resonance (NMR) techniques, scanning electron microscopy, and transmission electron microscopy, to study the microstructure of coal samples before and after loading. …”
Get full text

Experimental Study on the Mechanical Properties of Sandstone under the Action of Chemical Erosion and Freeze-Thaw Cycles by Lizhuang Cui, Nan Qin, Shuai Wang, Xuezhi Feng

“…For the cohesion degradation, 35.4%, 29.3%, and 27.2% degradation are observed under acidic, alkaline, and neutral solutions. Nuclear magnetic resonance imaging shows that the chemical erosion and freeze-thaw cycles both promote the degradation of rock properties from surface to interior; after 45 freeze-thaw cycles, the mechanical properties drop sharply. …”
Get full text

Flexural Toughness of Basalt Fibre-Reinforced Shotcrete and Industrial-Scale Testing by Huazhe Jiao, Yachuang Wu, Xinming Chen, Yixuan Yang

“…The flexural performance was analysed based on the toughness standards, namely, DBV-1998, JSCE SF-4, and nuclear magnetic resonance (NMR) pore testing. The results demonstrate that, given a basalt fibre (BF) dosage of 0–7.5 kg/m3, 18 mm BF can significantly increase the residual stress under the same deformation, rather than the peak values of the flexural strength. …”
Get full text

Insight into unusual complex thermodynamical behaviour of citric acid and ethanolamine solution by Reshma Karunakaran, Rajagopal Shanmugasundaram

“…Results of rheometry, Raman, proton nuclear magnetic resonance (1HNMR), photoluminescence (PL) spectroscopy, and thermogravimetric analysis (TGA) of this fluid confirmed this phenomena, collectively. …”
Get full text

Enhanced Electrochemical Sensor for Electrocatalytic Glucose Analysis in Orange Juices and Milk by the Integration of the Electron-Withdrawing Substituents on Graphene/Glassy Carbo... by Rahadian Zainul, Illyas Md Isa, Siti Nur Akmar Mohd Yazid, Norhayati Hashim, Sharifah Norain Mohd Sharif, Mohamad Idris Saidin, Mohamad Syahrizal Ahmad, M.Si Suyanta, Yulkifli Amir

“…The results of characterizations using a scanning electron microscope, Fourier transform infrared spectroscopy, Raman spectroscopy, and nuclear magnetic resonance spectroscopy showed the successful fabrication of HPMpFP-graphene nanocomposite, which served as an electroactive probe for glucose detection. …”
Get full text

Uncovering the Hydrocracking Efficiency of Iron-Based Catalysts: A Novel Approach to Asphaltene Transformation in Iranian Heavy Oil by Muzaffer Yaşar, Savaş Gürdal, Kadir Yılmaz

“…To analyze the Iranian heavy asphaltene, Nuclear Magnetic Resonance (1H NMR), Gel Permeation Chromatography (GPC) and elemental analysis were employed. …”
Get full text

Experimental Study on the Pore Structure of Middle- and Low-Rank Coal and Its Influence on Methane Adsorption by Gaini Jia, Ming Yang, Xuebo Zhang, Lei Liu

“…The liquid nitrogen adsorption method was used to study the pore structure of low- and middle-rank coal samples from two aspects: pore specific surface area and pore shape. Low-field nuclear magnetic resonance (NMR) technology was used to study the difference in methane adsorption of coal samples under the same adsorption conditions. …”
Get full text

An Experimental Study on Stress Sensitivity of Tight Sandstones with Different Microfractures by Xinli Zhao, Zhengming Yang, Zhiyuan Wang, Wei Lin, Shengchun Xiong, Yutian Luo, Zhongkun Niu, Debin Xia

“…Besides, we use the nuclear magnetic resonance (NMR) spectra of the core before and after saturation to verify whether the core has been successfully fractured. …”
Get full text

An investigation of the potential of rhodamine B hydrazide as a fluorescent probe for enhancing latent fingerprints by Nadeem Muhammad, Amjad Ali, Hairong Cui, Abdullatif Bin Muhsinah, Muhammad Abdul Qadir, Ghulam Mustafa Kamal, Jalal Uddin, Shoaib Munir

“…The resulting hydrazones were purified and characterized through techniques including melting point determination, UV–Vis spectroscopy (λmax ranging from 245 to 555 nm), infrared (IR) spectroscopy, and proton nuclear magnetic resonance (NMR) spectroscopy. The derivatives exhibited strong fluorescence with enhancements up to 90 % at optimized wavelengths, facilitating their use in latent fingerprint visualization. …”
Get full text

3-Methyl-4-Nitrobenzoate Derivates as Antifungal Drug Candidates: Biological and In Silico Evaluation by Alana R. Ferreira, Yunierkis P. Castillo, Ana C. M. Andrade, Diego F. Nóbrega, João Paulo G. de Oliveira, Tamires C. Lima, Ricardo D. de Castro, Damião P. de Sousa

“…The chemical structure of the obtained products was confirmed using Infrared, 1H and APT-13C nuclear magnetic resonance spectroscopy and high-resolution mass spectrometry. …”
Get full text

Effect of Flaxseed Gum on the Microstructure and Physicochemical Properties of Starch in Frozen Dough by WANG Hongwei, LI Xiangjie, QIAO Jingyue, SHEN Huishan, ZHANG Yanyan, LIU Xingli, ZHAO Xuewei, ZHANG Hua

“…This study investigated the effects of adding different amounts of flaxseed gum (0%, 0.2%, 0.4%, 0.6% and 0.8%) on the microstructure and physicochemical properties of starch in frozen dough using scanning electron microscopy (SEM), solid-state nuclear magnetic resonance (SSNMR) spectroscopy, X-ray diffraction (XRD), and rapid visco analysis (RVA). …”
Get full text

Hydration of Early Age Cement Paste with Nano-CaCO3 and SAP by LF-NMR Spectroscopy: Mechanism and Prediction by Haitao Zhao, Gaoyang Sun, Lu Yu, Kaidi Jiang, Xiaodong Chen, Ruiming Jia, Yi Wan, Shihai Li

“…In this paper, by testing the evolution of the physically bound water using the low-field nuclear magnetic resonance (LF-NMR) technology, the hydration process of cement paste with nano-CaCO3 (NC) and superabsorbent polymer (SAP) at early age is investigated. …”
Get full text

Influence of Mass Concentration on Microstructure and Pore Structure of Coal-Gangue-Based Green Cemented Filling Body by Jisheng Qiu, Minmin Yang, Kun Cheng, Xiao Guan, Xi Luan, Zhijie Xiao

“…The workability, mechanical properties, and microscopic pore structure (nuclear magnetic resonance and scanning electron microscope) were measured, respectively, to explore the effect of MC on the above mentioned properties. …”
Get full text

Characterization of Nanoscale Pores in Tight Gas Sandstones Using Complex Techniques: A Case Study of a Linxing Tight Gas Sandstone Reservoir by Chaohui Lyu, Liguo Zhong, Zhengfu Ning, Qing Wang, David R. Cole

“…In this study, various experimental techniques such as scanning electron microscopy (SEM), nuclear magnetic resonance (NMR) T2, nitrogen adsorption method, and NMR cryoporometry (NMRC) are combined to interrogate the complex pore systems of the tight gas reservoir in the Linxing formation, Ordos Basin, China. …”
Get full text

Effects of Porosity of Dry and Saturated Sandstone on the Energy Dissipation of Stress Wave by Yexue Li, Jing Wang

“…Changes in porosity before and after the SHPB experiment were analyzed by nuclear magnetic resonance. Results show that the number of wave peaks in the T2 spectrum before and after the impact test of sandstone is unchanged, but the wave peak value corresponding to small pores increases. …”
Get full text