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Qing Jin,Liang Chen,Zheng Li,Xiaoxue Li,Jingming Li 한국식품과학회 2015 Food Science and Biotechnology Vol.24 No.6
Spine grapes (Vitis daviddi Foex) are cultivated in southern China and possess a unique taste and flavor. However, nitrogen-deficiency results in poor quality spine wine. Diammonium phosphate (DAP) was added to spine grape must to determine the effect of DAP supplementation on the evolution of amino acids and associated by-products. DAP addition increased concentrations of amino acids from 73.5 to 101.0mg/L and biogenic amines from 3.9 to 5.0mg/L, but decreased concentrations of higher alcohols from 322.3 to 273.8mg/L and ethyl carbamate from 16.0 to 10.2 μg/L after fermentation. Sensory evaluation revealed that DAP supplementation kept the unique aroma and taste of fresh spine wine. DAP supplementation can benefit spine grape vinification and improve the quality of fresh spine wine.
Hongjuan Zhang,Liujun Pei,Shuaitong Liang,Qun Wang,Jingming Huang,Xiaomin Gu,Jiping Wang 한국섬유공학회 2021 Fibers and polymers Vol.22 No.5
Traditional reactive dyes generate a large amount of colored wastewater during printing owing to low reactivity,causing severe environmental problems. In this investigation, four novel reactive dyes were synthesized via incorporating azostructure into anthraquinone chromophore. They were characterized by UV-Vis, FT-IR, and 1H-NMR spectra. Their printingproperties on cotton fabric were comprehensively studied. Attributed to multifunctional groups, the fixation of the novelreactive dyes can reach 98 % even at the dye concentration of 10 %. It increases by 30 % compared with traditionalanthraquinone dyes. Moreover, the reactive dyes containing both mono-chlortriazine and bis(sulfatoethylsufone) groups canachieve urea-free printing. This research has a potential and significant application in the cleaner production of printing forcotton fabrics.
Investigation on Texture, Magnetic Properties and Inhomogeneities of Hot Deformed Nd–Fe–B Magnet
Hongjian Li,Qiong Wu,Ming Yue,Xiaochang Xu,Yuqing Li,Jingming Liang,Wang Xi,Jiuxing Zhang 한국자기학회 2018 Journal of Magnetics Vol.23 No.3
The anisotropic hot deformed nanocyrstalline Nd.Fe.B magnet was prepared by spark plasma sintering technique using MQU-F powders. The location dependence along radial direction on the magnetic properties, microstructure and crystal alignment of the hot deformed magnet have been investigated. The inhomogeneity of the magnetic performance along radial direction was revealed with a vibrating sample magnetometer (VSM). The crystal structure and microstructure were characterized by X-ray diffractometry (XRD) and scanning electron microscopy (SEM), respectively. In addition, quantitative texture analysis was carried out based on the electron backscattered diffraction technique (EBSD). The experimental results reveal that the coordination of grain size and orientation of Nd.Fe.B grains leads to the inhomogeneities of magnetic performance.