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作者: 熊佳,廖宇兰,吕凯英,益爱丽 (海南大学机电工程学院)

出处: 农机化研究 2019

关键词: 木薯收获机;挖深液压控制装置;地表仿形装置;负载特性;挖拔式

摘要: 针对挖拔式木薯收获机在收获过程中带有一定倾角的挖掘铲有朝着深度方向行进的趋势,增加了挖土量及挖掘负荷等问题,提出了基于液压控制系统调整挖深的设计思路。为此,研制了一种挖深液压控制装置,主要由地表仿形机构、挖掘铲液压调节机构、液压系统及PLC控制系统4部分组成;同时,对液压系统的负载特性进行系统分析计 ...

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作者: Yan Cai;Wei Yuan;Shifeng Wang;Weiliang Guo;An Li;Yue Wu;Xin Chen;Zhuling Ren;Yongcan Zhou (c Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, College of Marine Science, Hainan University, Haikou, Hainan 570228, PR China a State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, Hainan 570228, PR China b Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, Haikou, Hainan 570228, PR China)

出处: Aquaculture 2019

关键词: Litopenamei;vannamei;Probiotics;In;vitro;screening;Growth;Disease;resistance;Water;quality

摘要: Shrimp aquaculture has been severely threatened by vibriosis. Traditional methods to combat Vibrio diseases with antibiotics and chemotherapeutics hav ...

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作者: Du Huayun;An Yanli;Zhang Xilu;Wei Yinghui;Hou Lifeng;Liu Baosheng;Liu Hu;Zhang Jiaoxia;Wang Ning;Umar Ahmad;Guo Zhanhu (College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China. College of Basic Medical, Shanxi Medical University, Taiyuan, Shanxi 030001, China. Integrated Composites Laboratory (ICL), Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA. State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, P. R. China. Department of Chemistry, Faculty of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Kingdom of Saudi Arabia.)

出处: Journal of nanoscience and nanotechnology 2019

摘要: Hydroxyapatite (HA) nanocoating was electrodeposited on the surface mechanical attrition treated (SMATed) AZ31 magnesium alloy. Phases, morphologies a ...

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作者: Shindume L Hamukwaya;Zhao Zengying;Wang Ning;Liu Hu;Umar Ahmad;Zhang Jiaoxia;Wu Tingting;Guo Zhanhu (School of Science, China University of Geosciences, Beijing 100083, China. State Key Laboratory of Marine Resource Utilization in South China Sea, College of Materials and Chemical Engineering, Hainan University, Haikou 570100, China. Integrated Composites Laboratory (ICL), Chemical and Biomolecular Engineering Department, University of Tennessee, Knoxville, TN 37996, USA. Department of Chemistry, Faculty of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Kingdom of Saudi Arabia. School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212000, China. College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China. National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China.)

出处: Journal of nanoscience and nanotechnology 2019

摘要: B, N-codoped titania mesoporous crystals were prepared by the sol-gel method followed by a molten nitrate process to modify the sample morphology. The ...

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作者: Wang Qi;Cao Jun;Yu Huan;Zhang Jiahui;Yuan Yiqiong;Shen Xuanri;Li Chuan (Key Laboratory of Seafood Processing of Haikou, College of Food Science and Technology, Hainan University, Haikou 570228, PR China. Key Laboratory of Seafood Processing of Haikou, College of Food Science and Technology, Hainan University, Haikou 570228, PR China. Electronic address: lichuanbest@126.com.)

出处: Food chemistry 2019

关键词: (−)-Epigallocatechin;gallate;Biofilm;Gelatin;Physical;properties;Release

摘要: The effects of (-)-epigallocatechin gallate (EGCG) on the mechanical, antioxidative, antimicrobial, cross-linking and release properties of gelatin fi ...

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作者: Xi Nan;Bin Ma;Wenting Qian;Hongbo Zhu;Xiyao Li;Qiong Zhang;Yongzhen Peng (b College of Environment and Ecology, Institute of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China a National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China)

出处: Bioresource Technology 2019

关键词: Nitritation;Free;nitrous;acid;(FNA);Starvation;Ammonium-oxidizing;bacteria;(AOB);Nitrite-oxidizing;bacteria;(NOB)

摘要: Side-stream sludge treatment using free nitrous acid (FNA) is a novel strategy to achieve nitritation in mainstream of wastewater treatment plants (WW ...

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作者: Qi Wang;Jun Cao;Huan Yu;Jiahui Zhang;Yiqiong Yuan;Xuanri Shen;Chuan Li (Key Laboratory of Seafood Processing of Haikou, College of Food Science and Technology, Hainan University, Haikou 570228, PR China)

出处: Food Chemistry 2019

关键词: Gelatin;(−)-Epigallocatechin;gallate;Biofilm;Physical;properties;Release

摘要: The effects of (−)-epigallocatechin gallate (EGCG) on the mechanical, antioxidative, antimicrobial, cross-linking and release properties of gelatin fi ...

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作者: 刘子记,牛玉,朱婕,王茂媛,杨衍 (中国热带农业科学院热带作物品种资源研究所农业部华南作物基因资源与种质创制重点开放实验室;海南大学园艺园林学院)

出处: 北方园艺 2018

关键词: 苦瓜;脂溶性成分;气相色谱-质谱

摘要: 以日本苦瓜种质(Y105、Y112、Y115和Y116)为试材,采用气相色谱-质谱技术分析种子脂溶性化学成分及相对含量差异。结果表明:不同日本苦瓜种质脂溶性化学成分种类和相对含量存在一定程度的差异。从Y105、Y112、Y115和Y116中分别鉴定出23、16、19、20种化合物,共有33种成分。5 ...

作者: 益爱丽,廖宇兰,吕凯英,熊佳 (海南大学机电工程学院)

出处: 农机化研究 2018 第10期 P63-68

关键词: 收获机;木薯;挖掘铲;仿生

摘要: 针对的木薯挖掘铲存在的碎土困难、挖掘铲质量大及铲尖磨损严重等问题,基于仿生学原理,提出了一种模仿狗前爪结构的仿生木薯挖掘铲。首先,利用高倍率扫描仪对狗前爪下轮廓结构进行扫描提取,利用数据处理软件获取下轮廓结构的平面图,基于逆向造型技术以及三维造型软件获取仿生木薯挖掘铲三维模型;然后,借助Soli D ...

作者: 刘金芳,胡广林,唐琦,余赛西,李凯 (海南大学材料与化工学院)

出处: 食品研究与开发 2018 第39卷 第1期 P100-105

关键词: 豇豆;发芽;营养成分;微量元素

摘要: 以海豇1号(H1)、海豇2号(H2)和海秀7号(H7)3种豇豆为原料,探讨发芽过程中营养成分和微量元素的变化。研究表明:发芽1 d时,除H2外,H1和H7的可溶性蛋白质的含量显著增加,随后3种品种均逐渐下降;随发芽时间的延伸,3种品种豇豆淀粉含量均呈下降趋势,可溶性总糖含量均是先降低后增加的趋势,H ...

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