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中国菌物学会2016年学术年会

作者： Ye Ji Lee Yoo Jun Kim hyunjung jin Wook Kim Ki Doek Kim Laboratory of Plant Disease and Biocontrol College of Life Sciences and BiotechnologyKorea University Department of Biosystems and Biotechnology Korea University

＜正＞Sweetpotato（Ipomoea batatas Lam.）is one of the important food crops and its consumption is increasing in Korea;thus,managing postharvestdiseases on sweetpotato is getting more *** objective of this study was to assessin vivoinhibitory effect ofgaseous chlorine dioxide（Cl O2）against Rhizopus oryzae SP-r1 on *** previous in vitro tests,we

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New insights into the flotation responses of brucite and serpentine for different conditioning times: Surface dissolution behavior

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International Journal of Minerals,Metallurgy and Materials 2021年第12期28卷 1898-1907页

作者： Ya-feng Fu Wan-zhong Yin Xian-shu Dong Chuan-yao Sun Bin Yang jin Yao Hong-liang Li Chuang Li hyunjung Kim College of Mining Engineering Taiyuan University of TechnologyTaiyuan 030024China School of Resources&Civil Engineering Northeastern UniversityShenyang 110819China State Key Laboratory of Mineral Processing Beijing 102628China Department of Chemical and Materials Engineering University of AlbertaEdmontonAlberta T6G 2V4Canada Department of Mineral Resources and Energy Engineering Jeonbuk National UniversityBaekje-daeroDeokjin-guJeonju-siJeollabuk-do561-756Republic of Korea

The inadvertent dissolution of gangue minerals is frequently detrimental to the flotation of valuable *** investigated the effect of conditioning time on the separation of brucite and serpentine by *** analyzing the Mg2+concentration,relative element content,and pulp viscosity,we studied the effect of mineral dissolution on brucite *** results of artificially mixed mineral flotation tests(with-10μm serpentine)showed that by extending the conditioning time from 60 to 360 s,a large amount of Mg2+on the mineral surface gradually dissolved into the pulp,resulting in a decreased brucite recovery(from 83.83%to 76.79%)and an increased recovery of serpentine from 52.12%to 64.03%.To analyze the agglomeration behavior of brucite and serpentine,we used scanning electron microscopy,which clearly showed the different adhesion behaviors of different conditioning ***,the total interaction energy,as determined based on the extended DLVO(Derjaguin-Landau-Verwey-Overbeek)theory,also supports the conclusion that the gravitational force between brucite and serpentine increases significantly with increased conditioning time.

关键词： behavior insight viscosity

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