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浏览/检索结果: 共16条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序作者升序作者降序 Auto-adjustment label assignment-based convolutional neural network for oriented wheat diseases detection 期刊论文  OAI收割 COMPUTERS AND ELECTRONICS IN AGRICULTURE, 2024, 卷号: 222 作者:  Liu, Haiyun;  Chen, Hongbo;  Du, Jianming;  Xie, Chengjun;  Zhou, Qiong   |  收藏  |  浏览/下载：10/0  |  提交时间：2024/11/20 Wheat diseases detection  Aspect ratio  Auto-adjustment label assignment  Localization potential assessment   基于视觉的服务机器人智能抓取研究 学位论文  OAI收割 2023 作者:  耿文杰   |  收藏  |  浏览/下载：16/0  |  提交时间：2023/06/20 Service robot, Instance segmentation network, Elliptical cone potential field, Grasping task planning, Grasp detection network.   Detection of geothermal potential based on land surface temperature derived from remotely sensed and in-situ data 期刊论文  OAI收割 GEO-SPATIAL INFORMATION SCIENCE, 2023, 卷号: N/A 作者:  Zhao, Fei;  Peng, Zhiyan;  Qian, Jiangkang;  Chu, Chen;  Zhao, Zhifang   |  收藏  |  浏览/下载：19/0  |  提交时间：2024/01/04 Geothermal Detection Index (GDI)  geothermal potential  Principal Component Analysis (PCA)  Land Surface Temperature (LST)   A half-space based contact detection algorithm for complex blocks 期刊论文  OAI收割 COMPUTERS AND GEOTECHNICS, 2021, 卷号: 135, 页码: 104168 作者:  Wang XQ(王心泉);  Feng C(冯春);  Zhu XG(朱心广);  Zhang L(张丽);  Li SH(李世海)   |  收藏  |  浏览/下载：28/0  |  提交时间：2022/10/25 Contact detection  Potential contact pair  Half-space inclusion relation  Convex polygonal block  Convex polyhedral block   Hibernations of electroactive bacteria provide insights into the flexible and robust BOD detection using microbial fuel cell-based biosensors 期刊论文  OAI收割 SCIENCE OF THE TOTAL ENVIRONMENT, 2021, 卷号: 753, 页码: 8 作者:  Guo, Fei;  Liu, Yuan;  Liu, Hong   |  收藏  |  浏览/下载：83/0  |  提交时间：2021/02/24 Microbial fuel cell biosensors  Electroactive bacteria hibernation  BOD detection  Cyclic voltammetry  Anode potential   食用蔬菜能吸收和积累微塑料 期刊论文  OAI收割 科学通报, 2019, 卷号: 64, 期号: 9, 页码: 928-934 作者:  李连祯;  周倩;  尹娜;  涂晨;  骆永明   |  收藏  |  浏览/下载：149/0  |  提交时间：2020/06/17 微塑料  生菜  聚苯乙烯微球  吸收  积累  健康风险  microplastics  lettuce  polystyrene microbeads  uptake  accumulation  human health risk  Microplastic (MP, 100 nm-5 mm) may present an attributable risk to ecosystem and human health, and its pollution has become a global environmental concern. Despite a wealth of information on the accumulation of MPs in aquatic species, there is no information on the uptake and accumulation of MPs by higher plants. Terrestrial edible plants are directly exposed to MPs when agricultural soil was applied with organic manure, sewage sludge as fertilizer or plastic mulching. In this paper, the uptake of two sizes of polystyrene (PS) microbeads (0.2 and 1.0 mum) and then their distribution and migration in an edible plant lettuce were firstly investigated based on laboratory experiments. We used fluorescent markers to track PS microbeads in plant tissues and found fluorescence to be a sensitive and reliable detection method. Sections from untreated control lettuce showed no autofluorescence. When roots were treated with fluorescently labeled PS microbeads, the microbeads could be identified by its fluorescence. Our main study investigated the uptake of 0.2 mum beads, as few luminescence signals were observed in lettuce roots for 1.0 mum beads in our experiment. We observed that 0.2 mum fluorescent microbeads were extracellularly trapped in the root cap mucilage (which is a highly hydrated polysaccharide) and a dark green tip (which was typical of lettuce roots exposed to label PS beads) was usually visible to the naked eye. Confocal images revealed that the PS luminescence signals were mainly located in the vascular system and on the cell walls of the cortex tissue of the roots, indicated that the beads passed through the intercellular space via the apoplastic transport system. Once inside the central cylinder, the 0.2 mum PS beads were transferred from the roots to the stems and leaves via the vascular system following the transpiration stream. We also observed that the PS beads adhered to one another and self-assembled systematically into grape-like and (chain) string-like clusters in the intercellular space of the root and stem vascular tissue of lettuce plant. In contrast to the root and stem, PS beads were dispersed in the leaf tissue. Here, for the first time we provide evidence of the adherence, uptake, accumulation, and translocation of submicrometer MPs within an edible plant. Our findings highlight the previously underappreciated human exposure pathway to MPs through the consumption of contaminated crops and emphasize the need for new management strategies to control the release of MPs waste products into the terrestrial environment. Ultimately, the potential impacts of low range sized MPs on food safety of crop plants and human health need to be urgently considered.   The Cat's Eye Effect Target Recognition Method Based on Visual Attention 期刊论文  OAI收割 Chinese Journal of Electronics, 2019, 卷号: 28, 期号: 5, 页码: 1080-1086 作者:  X.B.Wang;  J.Zhang;  S.H.Wang   |  收藏  |  浏览/下载：35/0  |  提交时间：2020/08/24 feature extraction,image fusion,object detection,target-saliency map,target region,Cat's eye effect target recognition method,visual,attention,second-directional derivative filter,directional channels,morphological method,potential targets exist,designed saliency fusing,method,candidate targets,Cat's eye effect target recognition method,based on visual attention (CTRVA),Target recognition,Saliency map,Engineering   The Cat's Eye Effect Target Recognition Method Based on Visual Attention 期刊论文  OAI收割 Chinese Journal of Electronics, 2019, 卷号: 28, 期号: 5, 页码: 1080-1086 作者:  X.B.Wang;  J.Zhang;  S.H.Wang   |  收藏  |  浏览/下载：28/0  |  提交时间：2020/08/24 feature extraction,image fusion,object detection,target-saliency map,target region,Cat's eye effect target recognition method,visual,attention,second-directional derivative filter,directional channels,morphological method,potential targets exist,designed saliency fusing,method,candidate targets,Cat's eye effect target recognition method,based on visual attention (CTRVA),Target recognition,Saliency map,Engineering   Portable microfluidic chip electrophoresis device with integrated Pt electrodes for the analysis of AgNPs 期刊论文  OAI收割 MICRO & NANO LETTERS, 2018, 卷号: 13, 期号: 3, 页码: 302-305 作者:  Han, Haitao;  Zheng, Zhaoxia;  Pan, Dawei;  Wang, Chenchen;  Hu, Xueping   |  收藏  |  浏览/下载：48/0  |  提交时间：2018/04/20 Microfluidics  Lab-on-a-chip  Platinum  Microelectrodes  Nanoparticles  Thin Films  Voltammetry (Chemical Analysis)  Electrophoresis  Oxidation  Portable Instruments  Portable Microfluidic Chip Electrophoresis Device  Integrated Platinum Thin Film Electrodes  Agnps Analysis  Su-8-pyrex Microfluidic Chip  Electrophoresis Instrument  Reusable Holder  Electrochemical Oxidation Behaviours  Lab-on-a-chip Platform  Cyclic Voltammetry  Running Buffer  Separation Voltage  Detection Potential  Microfluidic Platform  Silver Nanoparticle Analysis  Voltage 0  2 v To 0  4 v  Pt  Ag   Detection and treatment of water inflow in karst tunnel: A case study in Daba tunnel 期刊论文  OAI收割 JOURNAL OF MOUNTAIN SCIENCE, 2018, 卷号: 15, 期号: 7, 页码: 1585-1596 作者:  Li Xiang-hui;  Zhang Qing-song;  Zhang Xiao;  Lan Xiong-dong;  Duan Chong-hao   |  收藏  |  浏览/下载：16/0  |  提交时间：2020/09/29 Karst tunnel  Water inrush  Potential water outlet detection  Geophysical prospecting technique  Water inflow  Grouting