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刘平怀

材料与化工学院

职称:教授

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[外文期刊] Novel Model For Stock Market Forecasting

作者:Li, YL (Li, Yanlong);Wang, F (Wang, Fang);Sun, RB (Sun, Renbing);Li, R (Li, Rui) (;[ 1 ] Ningbo Univ Technol, Coll Mat Sci & Engn, Ningbo, Zhejiang, Peoples R China [ 2 ] Hainan Univ, Coll Ocean, Haikou, Peoples R China)

出处:2016 9TH INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING, BIOMEDICAL ENGINEERING AND INFORMATICS (CISP-BMEI 2016) 2016

关键词:fuzzy time series;complex network;weighted adaptive expectation

摘要:To promote the forecasting performance of Fuzzy time-series models, based on complex network, a novel fuzzy time series model for stock price forecast ...

[外文期刊] Degradation Kinetics of Defatted Oil Palm Mesocarp Fiber in Subcritical Water

作者:Li, JQ (Li, Jing-Qiu);Bai, XP (Bai, Xin-Peng);Su, N (Su, Na) (;[ 1 ] Hainan Univ, Coll Food Sci & Engn, Haikou 570228, Peoples R China)

出处:INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENT ENGINEERING (ICEEE 2015) 2015

关键词:Defatted Oil Palm Mesocarp Fiber;Subcritical Water;Degradation;Dynamics

摘要:To clarify the degradation process of defatted oil palm mesocarp fiber in a subcritical water system. The reducing sugar content of degradation produc ...

[外文期刊] Analysis of automobile water tank support structure based on computer software

作者:Li, JS (Li, Jinsong);Li, M (Li, Mei);Mei, Y (Mei, Ye);Jin, ZY (Jin, Zhiyang) (;[ 1 ] Hainan Univ, Coll Mech & Elect Engn, Haikou 570228, Peoples R China)

出处:PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON INFORMATION ENGINEERING FOR MECHANICS AND MATERIALS 2015

关键词:computer;auto radiator support;FEA;Catia;UG;Ansys

摘要:A radiator bracket is installed on the bracket of an automobile water tank, water tank with support, and cushioning effect. This paper illustrates a H ...

作者:刘平怀,陈德力,汪春牛,许琼情,刘洋洋 (海南大学材料与化工学院海南优势资源化工材料应用技术教育部重点实验室)

出处:精细化工 2010

关键词:厚藤;加速溶剂萃取;DPPH;抗氧化;中药现代化技术

摘要:采用加速溶剂萃取技术(ASE)快速制备厚藤活性提取物,并以DPPH法对厚藤茎叶不同溶剂提取物抗氧化活性进行评价。抗坏血酸抗氧化能力>乙酸乙酯提取物抗氧化能力>乙醇提取物抗氧化能力>甲醇提取物抗氧化能力>石油醚提取物抗氧化能力,其IC50值分别为0.203 4、0.836 2、0.868 8、1.86 ...

被引情况:超星被引 3 次
[外文期刊] Structural Optimization and Analysis of Auto Radiator Support

作者:Li, JS (Li, Jin-Song);Mei, Y (Mei, Ye) (;[ 1 ] Hainan Univ, Coll Mech & Elect Engn, Haikou 570228, Peoples R China)

出处:INTERNATIONAL CONFERENCE ON MECHANICS AND CONTROL ENGINEERING (MCE 2015) 2015

关键词:Radiator Support;FEA;Experiment;Light Weight

摘要:According to using requirements and material properties of radiator support, adjusted its thickness and optimized its structure. Building finite eleme ...

[外文期刊] A Novel Steganographic Scheme

作者:Li, HL (Li, Honglei);Zhou, XY (Zhou, Xiaoyi);Wu, HW (Wu, Hanwei) (;[ 1 ] Hainan Univ, Haikou 570228, Hainan Province, Peoples R China)

出处:INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING BIOMEDICAL ENGINEERING, AND INFORMATICS (SPBEI 2013) 2014

摘要:A scheme of steganographic embedding in digital image based on scrambling is described. The basic idea of this scheme is to scramble the cover image a ...

作者:刘平怀,刘洋洋,陈德力,时杰,郝宗娣 (海南大学材料与化工学院,海南优势资源化工材料应用技术教育部重点实验室)

出处:中国实验方剂学杂志 2010

关键词:刃天青;抗菌;海洋药物;快速筛选;加速溶剂萃取

摘要:目的:建立一种快速筛选和评价抗菌活性物质的方法,并将其应用于海洋抗菌活性物质的筛选.方法:在对生物样品的提取过程中引入加速溶剂萃取技术(ASE),同时采用刃天青作为指示剂间接判断不同提取物样品的抗菌特性.结果:建立了一种快速筛选抗菌药物的方法,并发现白棘三列海胆、梅氏长海胆、面包海星、秀丽节蛇尾的乙 ...

被引情况:超星被引 6 次
[外文期刊] To talk about the marriage in sense and sensibility connecting with Austen\'s marriage

作者:Li, XG (Li, Xiaoge) (;[ 1 ] Hainan Univ, Danzhou 571737, Hainan, Peoples R China)

出处:PROCEEDINGS OF THE 2014 CONFERENCE ON INFORMATISATION IN EDUCATION, MANAGEMENT AND BUSINESS 2014

关键词:Love;marriage;reason;emotion

摘要:Jane Austen is the greatest woman writer in English literature, whose works primarily reflect ordinary love and marriage plays an important role in th ...

作者:刘平怀,刘洋洋,时杰,陈德力,杨勋 (海南大学,材料与化工学院,海南优势资源化工材料应用技术教育部重点实验室)

出处:食品研究与开发 2010

关键词:加速溶剂萃取(ASE)技术;2,2-二苯基-1-苦基肼(DPPH);热带水果;抗氧化

摘要:将加速溶剂萃取(ASE)技术应用于热带水果抗氧化活性成分的提取,采用DPPH自由基分析法测定13种热带水果ASE提取物清除自由基作用的强弱,从而建立一种抗氧化活性比较分析法,用于评价不同热带水果的抗氧化能力。试验表明,13种热带水果的ASE提取物均具有抗氧化活性,其对DPPH自由基的清除能力依次为黄 ...

被引情况:超星被引 4 次
[外文期刊] An improved NLMS algorithm based on speech enhancement

作者:Li, SQ (Li, Siqi);Wu, SH (Wu, Shouhao);Wang, YJ (Wang, Yongjie);Guo, WX (Guo, Wenxiu);Zhou, YL (Zhou, Youling);Xu, B (Xu, B) (;[ 1 ] Tsinghua Univ, Shenzhcn Res Inst, DTV Key Lab, Shenzhcn 518057, Peoples R China [ 2 ] Hainan Univ, Coll Informat Technol, Haikou 570228, Peoples R China)

出处:2015 IEEE ADVANCED INFORMATION TECHNOLOGY, ELECTRONIC AND AUTOMATION CONTROL CONFERENCE (IAEAC) 2015

关键词:regularization method;speech enhancement;NLMS

摘要:Currently, adaptive noise cancellation algorithm is the mainstream technology in the field of noise cancellation, many research schemes are put forwar ...