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Motion Enhanced Model Based on High-Level Spatial Features

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Computers, Materials & Continua 2022年第12期73卷 5911-5924页

作者： Yang Wu Lei Guo xiaodong dai Bin Zhang Dong-Won Park Ming Ma College of Computer Science and Engineering Inner Mongolia UniversityHohhot010021China Department of Information and Communications PaiChai UniversityDaejeon35345Korea

Action recognition has become a current research hotspot in computer *** to other deep learning methods,Two-stream convolutional network structure achieves better performance in action recognition,which divides the network into spatial and temporal streams,using video frame images as well as dense optical streams in the network,respectively,to obtain the category ***,the two-stream network has some drawbacks,i.e.,using dense optical flow as the input of the temporal stream,which is computationally expensive and extremely time-consuming for the current extraction algorithm and cannot meet the requirements of real-time *** this paper,instead of the dense optical flow,the Motion Vectors(MVs)are used and extracted from the compressed domain as temporal features,which greatly reduces the extraction ***,the motion pattern that MVs contain is coarser,which leads to low *** this paper,we propose two strategies to improve the accuracy:firstly,an accumulated strategy is used to enhance the motion information and continuity of MVs;secondly,knowledge distillation is used to fuse the spatial information into the temporal stream so that more information(e.g.,motion details,colors,etc.)is *** results show that the accuracy of MV can be greatly improved by the strategies proposed in this paper and the final recognition for human actions accuracy is guaranteed without using optical flow.

关键词： Action recognition motion vectors two-stream knowledge distillation accumulate strategy

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木皮在汽车智能内饰表面透光性能研究

时代汽车 2024年第8期 136-138页

作者：何平戴晓东沈朝梁余鹏张学昌浙大宁波理工学院机电与能源工程学院浙江省宁波市315100 宁波劳伦斯汽车内饰件有限公司浙江省宁波市315722

为满足客户对汽车座舱驾驶性和舒适性需求,汽车内饰研发设计趋向智能化和集成化发展。针对内饰透光表皮材质透光率低及表面图标显示不清晰等问题,以木皮在汽车内饰件应用为研究开展相关透光率实验及图标透光研究。结果表明,木皮的透光... 详细信息

为满足客户对汽车座舱驾驶性和舒适性需求,汽车内饰研发设计趋向智能化和集成化发展。针对内饰透光表皮材质透光率低及表面图标显示不清晰等问题,以木皮在汽车内饰件应用为研究开展相关透光率实验及图标透光研究。结果表明,木皮的透光性能取决于木皮材料、厚度及表面处理技术。在满足木皮表面图案透光性能条件下,木皮表面孔径及孔距需满足尺寸要求。通过透光性能研究为木皮大量应用于汽车智能内饰提供参考。

关键词：木皮透光率图标透光尺寸要求

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Hydroxyl radical production by abiotic oxidation of pyrite under estuarine conditions:The effects of aging,seawater anions and illumination

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Journal of Environmental Sciences 2024年第1期135卷 715-727页

作者： Ruixue Liu Yinshun dai Yucheng Feng Shiwen Sun xiaodong Zhang Chunjiang An Shan Zhao Shandong Key Laboratory of Water Pollution Control and Resource Reuse School of Environmental Science and EngineeringShandong UniversityQingdao 266237China Department of Building Civil and Environmental EngineeringConcordia UniversityMontrealQC H3G 1M8Canada

Pyrite is widely distributed in estuarine sediments as an inexpensive natural Fenton-like reagent,however,the mechanism on the hydroxyl radical(HO^(·))production by pyrite under estuarine environmental conditions is still poorly *** batch experiments were performed to investigate the effects of estuarine conditions including aging(in air,in water),seawater anions(Cl^(-),Br^(-)and HCO_(3)^(-))and light on the HO^(·)production by pyrite *** one-electron transfer dominated the process from O_(2) to HO^(·)induced by oxidation of *** Fe(oxyhydr)oxide coatings on the surface of pyrite aged in air and water consumed hydrogen peroxide while mediating the electron transfer,and the combined effect of the two resulted in a suppression of HO^(·)production in the early stage of aging and a promotion of HO^(·)production in the later stage of *** of the surface oxide layers by aggressive anions was the main reason for the inhibition of HO^(·)production by Cl^(-)and Br^(-),and the generation of Cl^(·)and Br^(·)may also play a role in the scavenging of HO^(·).HCO_(3)^(-)increased the average rate of HO^(·)production through surface-CO_(2) complexes formed by adsorption on the surface of *** significant enhancement of HO^(·)production under light was attributed to the formation of photoelectrons induced by photochemical reactions on pyrite and its surface oxide *** findings provide new insights into the environmental chemical behavior of pyrite in the estuary and enrich the understanding of natural remediation of estuarine environments.

关键词： Hydroxyl radical Pyrite oxidation Aging Anions Irradiation

厨余垃圾含固率对干式厌氧发酵工艺在实际工程应用中的影响及控制

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中国沼气 2024年第1期42卷 70-74页

作者：吴靖宇张爱军杨吉祥李保光戴小东北京首创环境科技有限公司北京100037

随着垃圾分类政策在全国各城市开始实施,厌氧发酵处理逐渐成为厨余垃圾处理的主流工艺投入使用。主要介绍了干式厌氧发酵工艺在厨余垃圾处理工程实践中的设计参数和运行情况。近2年的实际运行结果表明,干式厌氧发酵系统在高有机负荷、... 详细信息

随着垃圾分类政策在全国各城市开始实施,厌氧发酵处理逐渐成为厨余垃圾处理的主流工艺投入使用。主要介绍了干式厌氧发酵工艺在厨余垃圾处理工程实践中的设计参数和运行情况。近2年的实际运行结果表明,干式厌氧发酵系统在高有机负荷、高含固率物料下可以稳定运行,VS降解率、产气率等运行指标都能达到设计水平,但是干式厌氧发酵系统对于原料的含固率和VS都有相应要求。通过对运行数据的整理分析,经过物料衡算建立了物料平衡方程,计算出了干式厌氧发酵系统处理厨余垃圾的污泥产率,为项目的稳定运行和今后同类型项目的设计提供了理论设计依据和工程实践参考。

关键词：厨余垃圾干式厌氧发酵系统含固率污泥产率 VS降解率

Development of Oligo-GISH kits for efficient detection of chromosomal variants in peanut

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The Crop Journal 2023年第1期11卷 238-246页

作者： Pei Du Liuyang Fu Qian Wang Tao Lang Hua Liu Suoyi Han Chenyu Li Bingyan Huang Li Qin xiaodong dai Wenzhao Dong Xinyou Zhang Henan Academy of Crop Molecular Breeding/State Industrial Innovation Center of Biological Breeding/The Shennong Laboratory/Key Laboratory of Oil Crops in Huang-Huai-Hai Plains Ministry of Agriculture/Henan Provincial Key Laboratory for Oil Crops ImprovementHenan Academy of Agricultural SciencesGraduate T&R Base of Zhengzhou UniversityZhengzhou 450002HenanChina Institute of Biotechnology and Nuclear Technology Sichuan Academy of Agricultural SciencesChengdu 610061SichuanChina

Oligo probe staining is a low-cost and efficient chromosome identification *** this study,oligo genomic in situ hybridization(Oligo-GISH)technology was established in *** A and B subgenome-specific interspersed repeat(IR)oligo probe sets were developed based on clustering and electronic localization of tandem repeat sequences in the reference genome of *** OligoGISH kit was then used to perform staining of 15 Arachis *** A-subgenome probe set stained the chromosomes of A-and E-genome Arachis species,the B-subgenome probe set stained those of B-,F-,K-,and E-genome species,and neither set stained those of H-genome *** results indicate the relationships among the genomes of these Arachis *** Oligo-GISH kit was also used for batch staining of the chromosomes of 389 seedlings from the irradiated M1generation,allowing 67 translocation and deletion lines to be *** Oligo-FISH karyotyping,FISH using single-copy probe libraries,and trait investigation identified seven homozygous chromosomal variants from the M3generation and suggested that there may be genes on chromosome 4B controlling seed number per *** findings demonstrate that the IR probe sets and method developed in this study can facilitate research on distant hybridization and genetic improvement in peanut.

关键词： Peanut Oligo-GISH Genomic relationship Variants Chromosome identification

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中国教师视角的跨文化能力模型建构

外语界 2022年第5期 20-28页

作者：戴晓东上海师范大学外国语学院上海200234

本研究使用德尔菲法解析跨文化能力,建构中国教师视角的跨文化能力理论模型。来自我国46所不同类型高校的84名跨文化交际课程教师和来自8个国家的68名跨文化专家参加了3轮问卷调查。根据问卷调查结果,研究建构了一个包含态度、知识、意... 详细信息

本研究使用德尔菲法解析跨文化能力,建构中国教师视角的跨文化能力理论模型。来自我国46所不同类型高校的84名跨文化交际课程教师和来自8个国家的68名跨文化专家参加了3轮问卷调查。根据问卷调查结果,研究建构了一个包含态度、知识、意识、技能、预期目标的五维度模型。跨文化交际教师视角的跨文化能力概念化有其独特优势,能够推动跨文化研究发展。

关键词：跨文化能力定义要素评价标准中国教师视角

3种来源黑木耳黑色素的性质及其体外抗氧化活性比较

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食品研究与开发 2024年第13期45卷 63-69页

作者：郭燕韩闯田爽朱加楠周舒扬刘佳宁戴肖东马庆芳张丕奇张介驰侯杨马银鹏黑龙江省科学院微生物研究所黑龙江哈尔滨150010

该研究以黑木耳“1703”的子实体、菌丝体和发酵液为试验材料,采用碱溶酸沉法提取黑色素,采用紫外可见光谱(ultraviolet–visible spectroscopy,UV-Vis)、傅里叶变换红外光谱(Fourier transform infrared spectrometer,FTIR)、扫描电子显微镜(scanning electron microscope,SEM)、高效液相色谱(high performance liquid chromatography,HPLC)法研究黑色素的结构表征,测定黑木耳黑色素的溶解性、稳定性和体外抗氧化活性。UV-Vis结果表明3种来源黑木耳黑色素最大吸收波长均为210 nm。FTIR结果表明3种来源黑木耳黑色素均具有天然黑色素的3个特征吸收区。HPLC结果表明3种来源黑木耳黑色素均只有一个吸收峰,且保留时间基本一致。溶解性结果表明3种来源黑木耳黑色素均易溶于碱性溶液,微溶于75%乙醇溶液,难溶于水和多数有机溶剂。稳定性结果表明3种来源黑木耳黑色素均具有良好的温度稳定性和光照稳定性,Fe^(3+)能够促进黑色素溶解,Fe^(2+)和Cu^(2+)导致黑色素不稳定。体外抗氧化试验结果表明3种来源黑木耳黑色素对DPPH自由基、ABTS^(+)自由基和羟基自由基均具有较强的清除能力,其中发酵液黑色素清除能力最强。

关键词：黑木耳黑色素子实体菌丝体发酵液性质抗氧化

Regulatory effect of salicylic acid and methyl jasmonate supplementation on ergosterol production in Hericium erinaceus mycelia

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Journal of Forestry Research 2015年第1期26卷 71-77页

作者： xiaodong dai Yaguang Zhan Jiechi Zhang Piqi Zhang Zenghua Han Qingfang Ma Xianghui Kong Jianing Liu Yinpeng Ma College of Life Science Northeast Forestry University Microbiology Institute of Heilongjiang Provincial Academy of Sciences Institute of High Technology Heilongjiang Academy of Science

We evaluated the biomass and ergosterol content of Hericium erinaceus mycelium, and extracellular enzyme activities in H. erinaceus liquid culture following salicylic acid（SA） and methyl jasmonic acid（Me JA）supplementation. The optimal SA concentration was100 lmoláL-1, where the highest ergosterol content of 2.33 mgág-1was obtained following 6-day cultivation with100 lmoláL-1SA supplementation, and which was significantly higher than the unsupplemented control（p ／ 0.01）. Following 4-day supplementation with50 lmoláL-1Me JA, the highest ergosterol content obtained was 1.988 mgág-1, which was 25.8 % higher than the unsupplemented control. Our data indicate that SA and Me JA supplementation improves ergosterol content in *** mycelium.

关键词： Hericium erinaceus Ergosterol Salicylic acid Methyl jasmonate Inducers

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村规民约的法治功能及其实现路径

东北农业大学学报（社会科学版） 2022年第6期20卷 92-100页

作者：戴小冬吉首大学法学与公共管理学院湖南吉首416000

法治乡村建设是我国全面依法治国的重要内容,需要将传统治理资源与现代法治有效联结。村规民约糅合了国家法与民间法两种秩序,是推进法治乡村建设的重要着力点。同时,法治乡村建设也为推进村规民约现代化转型提供契机。现代村规民约的... 详细信息

法治乡村建设是我国全面依法治国的重要内容,需要将传统治理资源与现代法治有效联结。村规民约糅合了国家法与民间法两种秩序,是推进法治乡村建设的重要着力点。同时,法治乡村建设也为推进村规民约现代化转型提供契机。现代村规民约的治理功能从自治和德治转向自治、法治和德治相结合,其法治功能主要体现为软法规制功能、民事司法适用功能、法治宣传功能及法文化传承功能。但实践中村规民约内容的规范性缺失、制定程序正当性不足以及适用效率低下等,严重影响其法治功能的发挥。构建新型乡村共同体、加强村规民约法治化建设、完善村规民约的内容和形式是实现村规民约法治功能的路径选择。

关键词：法治乡村村规民约法治功能乡村共同体法治化