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11,018 条 记 录,以下是 1-30

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Glucose Oxidase-graphene-chitosan modified electrode for direct electrochemistry and glucose sensing
BIOSENSORS & BIOELECTRONICSKang, Xinhuang Wang, Jun Wu, Hong Aksay, Ilhan A. Liu, Jun Lin, Yuehe  出版年:2009
Direct electrochemistry of a glucose oxidase (GOD)-graphene-chitosan nanocomposite was studied. The immobilized enzyme retains its bioactivity, exhibits a surface confined, reversible two-proton and two-electron transfer...
Machine learning assisted design of high entropy alloys with desired property
ACTA MATERIALIAWen, Cheng Zhang, Yan Wang, Changxin Xue, Dezhen Bai, Yang Antonov, Stoichko Dai, Lanhong Lookman, Turab Su, Yanjing  出版年:2019
We formulate a materials design strategy combining a machine learning (ML) surrogate model with experimental design algorithms to search for high entropy alloys (HEAs) with large hardness in a model Al-Co-Cr-Cu-Fe-Ni sys...
A method for group decision-making based on determining weights of decision makers using TOPSIS
APPLIED MATHEMATICAL MODELLINGYue, Zhongliang  出版年:2011
In general, weights of decision makers (DMs) play a very important role in multiple attribute group decision-making (MAGDM), how to measure the weights of DMs is an interesting research topic. This paper presents a new a...
High Power Density Tower-like Triboelectric Nanogenerator for Harvesting Arbitrary Directional Water Wave Energy
ACS NANOXu, Minyi Zhao, Tiancong Wang, Chuan Zhang, Steven L. Li, Zhou Pan, Xinxiang Wang, Zhong Lin  出版年:2019
Wave energy is one of the most available energy sources in oceans. In this work, a design of high power density triboelectric nanogenerator (TENG) based on a tower structure is proposed for harvesting wave energy from ar...
中国红树林生态系统生态价值评估
《生态科学》韩维栋 高秀梅 卢昌义 林鹏  出版年:2000
使用市场价值法 ,影子工程法 ,机会成本法和替代花费法等对中国现存自然分布的136 4 6hm2 的红树林生态系统的功能价值进行经济评估 ,评估结果表明 ,中国红树林总的年生态功能价值为 2 36 531万元 ,其中生物...
关键词:红树林  生态系统  功能价值评估  生态价值  被引量:241
An extended TOPSIS for determining weights of decision makers with interval numbers
KNOWLEDGE-BASED SYSTEMSYue, Zhongliang  出版年:2011
In this paper, we develop a method for determining weights of decision makers under group decision environment, in which the each individual decision information is expressed by a matrix in interval numbers. We define th...
生计资本与生计策略关系研究——以张掖市甘州区为例
《中国人口·资源与环境》苏芳 蒲欣冬 徐中民 王立安  出版年:2009
农民的生计安全与质量问题是当今中国农村的核心问题,稳定的生计可以使有关的政策协调发展、消除贫困并可持续地利用资源。本文采用可持续生计框架为研究基础,农户的生计资产为框架核心,通过建立可持续生计评价指标体系,对农户的生计资...
关键词:可持续生计(SLA)  生计资本  生计策略  层次分析法(AHP)  被引量:227
Applications of Wireless Sensor Networks in Marine Environment Monitoring: A Survey
SENSORSXu, Guobao Shen, Weiming Wang, Xianbin  出版年:2014
With the rapid development of society and the economy, an increasing number of human activities have gradually destroyed the marine environment. Marine environment monitoring is a vital problem and has increasingly attra...
Image scrambling encryption algorithm of pixel bit based on chaos map
PATTERN RECOGNITION LETTERSYe, Guodong  出版年:2010
This paper presents an image scrambling encryption algorithm of pixel bit based on chaos map. The algorithm takes advantage of the best features of chaos maps, such as their pseudorandom property, system parameters, sens...
Self-assembled natural rubber/silica nanocomposites: Its preparation and characterization
COMPOSITES SCIENCE AND TECHNOLOGYPeng, Zheng Kong, Ling Xue Li, Si-Dong Chen, Yin Huang, Mao Fang  出版年:2007
A novel natural rubber/silica (NR/SiO2) nanocomposite is developed by combining self-assembly and latex-compounding techniques. The results show that the SiO2 nanoparticles are homogenously distributed throughout NR matr...
Direct electrochemistry and electrocatalysis of horseradish peroxidase based on clay-chitosan-gold nanoparticle nanocomposite
BIOSENSORS & BIOELECTRONICSZhao, Xiaojuan Mai, Zhibin Kang, Xinhuang Zou, Xiaoyong  出版年:2008
Gold nanoparticles stabilized by chitosan (AuCS) were hybridized with exfoliated clay nanoplates through electrostatic interaction. The resulting clay-chitosan-gold nanoparticle nanocomposite (Clay/AuCS) was used to modi...
TOPSIS-based group decision-making methodology in intuitionistic fuzzy setting
INFORMATION SCIENCESYue, Zhongliang  出版年:2014
Managers face with many decision-making problems that affect directly viability of their organization. Group decision-making (GDM) can help the managers to make more accurate decisions. The aim of this paper is to develo...
Optimization of process parameters for supercritical carbon dioxide extraction of Passiflora seed oil by response surface methodology
JOURNAL OF SUPERCRITICAL FLUIDSLiu, Shucheng Yang, Feng Zhang, Chaohua Ji, Hongwu Hong, Pengzhi Deng, Chujin  出版年:2009
Response surface methodology (RSM) was employed to optimize the process parameters of supercritical carbon dioxide extraction of the passion fruit seed oil. The effects of temperature, pressure and extraction time on the...
An image encryption algorithm based on hyper-chaos and DNA sequence
MULTIMEDIA TOOLS AND APPLICATIONSHuang, Xiaoling Ye, Guodong  出版年:2014
A novel image encryption algorithm making using of hyper-chaos and DNA sequence is presented here. A four-dimensional hyper-chaos system is used to generate the pseudo-random sequence, which is transformed into a biologi...
Image encryption algorithm using chaotic Chebyshev generator
NONLINEAR DYNAMICSHuang, Xiaoling  出版年:2012
In this paper, we present a chaotic image encryption algorithm in which the key stream is generated by nonlinear Chebyshev function. The novel method of designing pseudorandom chaotic sequence is carried out with the cre...
An efficient chaotic image encryption algorithm based on a generalized Arnold map
NONLINEAR DYNAMICSYe, Guodong Wong, Kwok-Wo  出版年:2012
An efficient image encryption algorithm using the generalized Arnold map is proposed. The algorithm is composed of two stages, i.e., permutation and diffusion. First, a total circular function, rather than the traditiona...
植物吸收在人工湿地脱氮除磷中的贡献
《环境科学研究》李林锋 年跃刚 蒋高明  出版年:2009
通过研究人工湿地植物对氮、磷的吸收能力,评价植物吸收在人工湿地脱氮除磷方面的贡献.结果表明,不同湿地植物其组织中w(TN)和w(TP)差异极显著,湿地植物对TN和TP的吸收量分别为6.194.0和0.59.0 g/(m^...
关键词:湿地植物  人工湿地  氮磷去除  被引量:137
Cryptic footprints of rare earth elements on natural resources and living organisms
ENVIRONMENT INTERNATIONALAdeel, Muhammad Lee, Jie Yinn Zain, Muhammad Rizwan, Muhammad Nawab, Aamir Ahmad, M. A. Shafiq, Muhammad Yi, Hao Jilani, Ghulam Javed, Rabia Horton, R. Rui, Yukui Tsang, Daniel C. W. Xing, Baoshan  出版年:2019
Background: Rare earth elements (REEs) are gaining attention due to rapid rise of modern industries and technological developments in their usage and residual fingerprinting. Cryptic entry of REEs in the natural resource...
In situ surface-enhanced Raman spectroscopy for detecting microplastics and nanoplastics in aquatic environments
SCIENCE OF THE TOTAL ENVIRONMENTLv, Lulu He, Lei Jiang, Shiqi Chen, Jinjun Zhou, Chunxia Qu, Junhao Lu, Yuqin Hong, Pengzhi Sun, Shengli Li, Chengyong  出版年:2020
The detection of microplastics and nanoplastics in the environment, especially plastic particles in aquatic environments in situ, still faces challenges due to the limitations of current methods, instruments and size of ...
Potential of constructed wetlands in treating the eutrophic water: Evidence from Taihu Lake of China
BIORESOURCE TECHNOLOGYLi, Linfeng Li, Yinghao Biswas, Dilip Kumar Nian, Yuegang Jiang, Gaoming  出版年:2008
Three parallel units of pilot-scale constructed wetlands (CWs), i.e., vertical subsurface flow (VSF), horizontal subsurface flow (HSF) and free water surface flow (FWS) wetland were experimented to assess their capabilit...
A hybrid approach of support vector regression with genetic algorithm optimization for aquaculture water quality prediction
MATHEMATICAL AND COMPUTER MODELLINGLiu, Shuangyin Tai, Haijiang Ding, Qisheng Li, Daoliang Xu, Longqin Wei, Yaoguang  出版年:2013
Water quality prediction plays an important role in modern intensive river crab aquaculture management. Due to the nonlinearity and non-stationarity of water quality indicator series, the accuracy of the commonly used co...
A highly-sensitive wave sensor based on liquid-solid interfacing triboelectric nanogenerator for smart marine equipment
NANO ENERGYXu, Minyi Wang, Song Zhang, Steven L. Ding, Wenbo Phan Trung Kien Wang, Chuan Li, Zhou Pan, Xinxiang Wang, Zhong Lin  出版年:2019
Wave monitoring is essential for marine engineering construction, development and utilization of ocean resources, maritime safety and early warning of marine disasters. In this paper, a highly-sensitive wave sensor based...
Microplastic accumulation in fish from Zhanjiang mangrove wetland, South China
SCIENCE OF THE TOTAL ENVIRONMENTHuang, Jian-Sheng Koongolla, J. Bimali Li, Heng-Xiang Lin, Lang Pan, Yun-Feng Liu, Shan He, Wei-Hong Maharana, Dusmant Xu, Xiang-Rong  出版年:2020
Microplastics (MPs) are widespread in marine and estuarine environments, but the contamination of MPs in mangrove wetlands is relatively unknown. Here, we quantify the presence of MPs in fish collected from Zhanjiang man...
Image encryption and hiding algorithm based on compressive sensing and random numbers insertion
SIGNAL PROCESSINGYe, Guodong Pan, Chen Dong, Youxia Shi, Yang Huang, Xiaoling  出版年:2020
Most current image encryption algorithms encrypt plain images directly into meaningless cipher images. Visually, a few of them are vulnerable to illegal attacks on a few sharing platforms or open channels when being tran...
Cold storage duration affects litchi fruit quality, membrane permeability, enzyme activities and energy charge during shelf time at ambient temperature
POSTHARVEST BIOLOGY AND TECHNOLOGYLiu, Hai Song, Lili You, Yanli Li, Yuebiao Duan, Xuewu Jiang, Yueming Joyce, Daryl C. Ashraf, Muhammad Lu, Wangjin  出版年:2011
Storage and transport of litchi fruit at low temperature is widely practiced commercially. In this study, no pericarp browning was evident at out-turn on litchi fruit stored for 10 and 20 days at cold temperature of 3-5 ...
See now, act now: How to interact with customers to enhance social commerce engagement?
INFORMATION & MANAGEMENTXue, Jiaolong Liang, Xinjian Xie, Tao Wang, Haizhong  出版年:2020
Although live social commerce apps have emerged as a marketing channel recently, live social commerce, as a relatively new phenomenon, has attracted little attention. The authors aim to explore the effect of live interac...
Self-Powered Distributed Water Level Sensors Based on Liquid-Solid Triboelectric Nanogenerators for Ship Draft Detecting
ADVANCED FUNCTIONAL MATERIALSZhang, Xiangqian Yu, Min Ma, Ziran Ouyang, Han Zou, Yang Zhang, Steven L. Niu, Hukai Pan, Xinxiang Xu, Minyi Li, Zhou Wang, Zhong Lin  出版年:2019
Ship draft measurement is of great significance for ensuring navigation safety and facilitating ship control. In this work, a self-powered water level sensor based on a liquid-solid tubular triboelectric nanogenerator (L...
Impacts of simulated acid rain on cation leaching from the Latosol in south China
CHEMOSPHEREZhang, Jia-En Ouyang, Ying Ling, Da-Jiong  出版年:2007
Acid rain is a problem of increasing agricultural, environmental, and ecological concerns worldwide. This study investigated impacts of simulated acid rain (SAR) on cation leaching from the Latosol in south China. Latoso...
智能移动机器人技术现状及展望
《机器人技术与应用》徐国保 尹怡欣 周美娟  出版年:2007
智能移动机器人技术涉及到机器人导航与定位,路径规划,运动控制等。本文综述了移动机器人技术的历史,现状以及未来。首先简要回顾了移动机器人的发展历史,介绍了移动机器人主要体系结构。其次详细论述了移动机器人的主要导航技术,路径...
关键词:导航  路径规划  多传感器信息融合  细胞神经网  高智能情感移动机器人  被引量:115
An efficient pixel-level chaotic image encryption algorithm
NONLINEAR DYNAMICSYe, Guodong Pan, Chen Huang, Xiaoling Mei, Qixiang  出版年:2018
In this paper, a new and efficient pixel-level image encryption algorithm is presented. In contrast to the traditional permutation-diffusion architecture, the proposed method enhances the connection between position shuf...
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