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Simulated Indonesian Throughflow in Makassar Strait across the SODA3 products

Acta Oceanologica Sinica 2024年第1期43卷 80-98页

作者： Tengfei Xu Zexun Wei Haifeng Zhao Sheng Guan shujiang li Guanlin Wang Fei Teng Yongchui Zhang Jing Wang First Institute of Oceanography/Key Laboratory of Marine Science and Numerical Modeling Ministry of Natural ResourcesQingdao 266061China Laboratory for Regional Oceanography and Numerical Modeling Qingdao Marine Science and Technology CenterQingdao 266237China College of Meteorology and Oceanography National University of Defense TechnologyChangsha 410073China CAS Key Laboratory of Ocean Circulation and Waves Center for Ocean Mega-ScienceInstitute of OceanologyChinese Academy of ScienceQingdao 266071China

The Indonesian Throughflow(ITF), which connects the tropical Pacific and Indian oceans, plays important roles in the inter-ocean water exchange and regional or even global climate variability. The Makassar Strait is the main inflow passage of the ITF, carrying about 77% of the total ITF volume transport. In this study, we analyze the simulated ITF in the Makassar Strait in the Simple Ocean Data Assimilation version 3(SODA3) datasets. A total of nine ensemble members of the SODA3 datasets, of which are driven by different surface forcings and bulk formulas, and with or without data assimilation, are used in this study. The annual mean water transports(i.e.,volume, heat and freshwater) are related to the combination of surface forcing and bulk formula, as well as whether data assimilation is employed. The phases of the seasonal and interannual variability in water transports cross the Makassar Strait, are basically consistent with each other among the SODA3 ensemble members. The interannual variability in Makassar Strait volume and heat transports are significantly correlated with El Ni?oSouthern Oscillation(ENSO) at time lags of-6 to 7 months. There is no statistically significant correlation between the freshwater transport and the ENSO. The Makassar Strait water transports are not significantly correlated with the Indian Ocean Dipole(IOD), which may attribute to model deficiency in simulating the propagation of semiannual Kelvin waves from the Indian Ocean to the Makassar Strait.

关键词： Indonesian Throughflow Simple Ocean Data Assimilation(SODA) El Ni?o-Southern Oscillation(ENSO) Indian Ocean Dipole(IOD) data assimilation

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红花龙胆枯萎病病原菌鉴定及培养特性研究

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植物保护 2024年第1期50卷 63-68页

作者：严凯李树江李敏张晓勇六盘水师范学院生物科学与技术学院六盘水553004

枯萎病是红花龙胆栽培中发生最普遍,危害最严重的病害之一。为明确引起红花龙胆枯萎病的病原种类及其侵染特性,本研究采用组织分离法获得2个菌株,结合形态学特征以及ITS和Mcm7序列鉴定,2个菌株被鉴定为Clarireedia jacksonii,这是该菌... 详细信息

枯萎病是红花龙胆栽培中发生最普遍,危害最严重的病害之一。为明确引起红花龙胆枯萎病的病原种类及其侵染特性,本研究采用组织分离法获得2个菌株,结合形态学特征以及ITS和Mcm7序列鉴定,2个菌株被鉴定为Clarireedia jacksonii,这是该菌在龙胆科植物上引起枯萎病的首次报道。致病性测定表明,该菌在15~35℃可侵染红花龙胆健康叶片,最佳侵染温度为25℃。生长特性研究表明,该菌最适生长温度为25℃,最适pH为5,菌丝致死温度为50℃处理10 min。

关键词：红花龙胆枯萎病病原菌鉴定侵染特性生长特性

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基于文化基因的杨家埠木版年画文创产品设计

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包装工程 2024年第18期45卷 375-383页

作者：杜玉翠李淑江颜铄李宏文青岛科技大学山东青岛266000

目的探索杨家埠木版年画的保护与传承,构建杨家埠木版年画文化基因图谱,并进行文化创意产品设计,助力我国非物质文化遗产的现代化转化、助推社会经济和文化创意产业的发展。方法首先,通过文献研究、实地调查等研究手段对杨家埠木版年画... 详细信息

目的探索杨家埠木版年画的保护与传承,构建杨家埠木版年画文化基因图谱,并进行文化创意产品设计,助力我国非物质文化遗产的现代化转化、助推社会经济和文化创意产业的发展。方法首先,通过文献研究、实地调查等研究手段对杨家埠木版年画资料进行分类、整理、归纳;其次,基于文化基因对杨家埠木版年画进行形态因子、色彩因子、纹样因子及语义因子的再提取并绘制基因图谱。结果生成杨家埠木版年画文化基因的延展IP形象盲盒、日历等文创产品实践案例,印证了文化基因理论指导杨家埠木版年画文创产品设计的可行性。结论文化基因图谱梳理了杨家埠年画的文化要素,有效地指导了杨家埠木版年画的文化创意设计,同时对其他非物质文化遗产传承与发展具有借鉴意义。

关键词：文化基因杨家埠木版年画文创产品设计

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基于深度学习理论的通用技术单元教学设计量化评价研究

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创新人才教育 2024年第4期 49-57页

作者：李淑江王保刚李作林青岛科技大学机电学院山东青岛266000 中国人民大学附属中学北京100080

构建科学合理的教学设计评价体系是开展教学评价的前提。AHP-TOPSIS法是一种定性与定量相结合的指标体系评价方法,采用Delphi法进行专家咨询,确定单元教学设计评价的指标体系;采用AHP方法建构出评价层次结构模型,确定测评其权重,构建出... 详细信息

构建科学合理的教学设计评价体系是开展教学评价的前提。AHP-TOPSIS法是一种定性与定量相结合的指标体系评价方法,采用Delphi法进行专家咨询,确定单元教学设计评价的指标体系;采用AHP方法建构出评价层次结构模型,确定测评其权重,构建出6项一级指标和29项二级指标组成的评价指标体系。运用TOPSIS综合评价法对六位教师的单元教学设计方案进行了评价,结果证明其模型的有效性,能够帮助教师改进单元教学设计,推动学生核心素养的培养。

关键词：教学设计量化评价 AHP-TOPSIS法深度学习

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Warming and depth convergence of the Arctic Intermediate Water in the Canada Basin during 1985–2006

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Acta Oceanologica Sinica 2012年第4期31卷 46-54页

作者： li shujiang ZHAO Jinping SU Jie CAO Yong Ocean University of China Qingdao 266100 China First Institute of Oceanography State Oceanic Administration Qingdao 266061 China

The warming of the Arctic Intermediate Water （AIW） is studied based on the analyses of hydro- graphic observations in the Canada Basin of the Arctic Ocean during 1985-2006. It is shown that how the anomalously warm AIW spreads in the Canada Basin during the observation time through the analysis of the AIW temperature spatial distribution in different periods. The results indicate that by 2006, the entire Canada Basin has almost been covered by the warming AIW. In order to study interannual variability of the AIW in the Canada Basin, the Canada Basin is divided into five regions according to the bottom topography. From the interannual variation of AIW temperature in each region, it is shown that a cooling period follows after the warming event in upstream regions. At the Chukchi Abyssal Plain and Chukchi Plateau, upstream of the Arctic Circumpolar Boundary Current （ACBC） in the Canada Basin, the AIW temperature reached maximum and then started to fall respectively in 2000 and 2002. However, the AIW in the Canada Abyssal Plain and Beaufort Sea continues to warm monotonically until the year 2006. Furthermore, it is revealed that there is convergence of the AIW depth in the five different regions of the Canada Basin when the AIW warming occurs during observation time. The difference of AIW depth between the five regions of the Canada Basin is getting smaller and smaller, all approaching 410 m in recent years. The results show that depth convergence is related to the variation of AIW potential density in the Canada Basin.

关键词： Arctic Intermediate Water Canada Basin warming interannual variation conver-gence of AIW depth

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Network traffic prediction method based on improved ABC algorithm optimized EM-ELM

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The Journal of China Universities of Posts and Telecommunications 2018年第3期25卷 33-44页

作者： Tian Zhongda li shujiang Wang Yanhong Wang Xiangdong School of Information Science and Engineering Shenyang University of Technology

In order to overcome the poor generalization ability and low accuracy of traditional network traffic prediction methods, a prediction method based on improved artificial bee colony （ABC） algorithm optimized error minimized extreme learning machine （EM-ELM） is proposed. EM-ELM has good generalization ability. But many useless neurons in EM-ELM have little influences on the final network output, and reduce the efficiency of the algorithm. Based on the EM-ELM, an improved ABC algorithm is introduced to optimize the parameters of the hidden layer nodes, decrease the number of useless neurons. Network complexity is reduced. The efficiency of the algorithm is improved. The stability and convergence property of the proposed prediction method are proved. The proposed prediction method is used in the prediction of network traffic. In the simulation, the actual collected network traffic is used as the research object. Compared with other prediction methods, the simulation results show that the proposed prediction method reduces the training time of the prediction model, decreases the number of hidden layer nodes. The proposed prediction method has higher prediction accuracy and reliable performance. At the same time, the performance indicators are improved.

关键词： error minimized extreme learning machine improved artificial bee colony algorithm network traffic prediction

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Purification and structural analysis of the toxin AP-Ⅰ from the pathogen of Bambusa pervariabilis × Dendrocalamopsis grandis blight

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Journal of Forestry Research 2015年第4期26卷 1035-1042页

作者： shujiang li Tianhui Zhu Tianmin Qiao Shan Han College of Forestry Sichuan Agricultural University Key Laboratory of Forest Protection of Sichuan Province Sichuan Agricultural University

Bambusa pervariabilis Dendrocalamopsis grandis blight is caused by a toxin from the fungus Arthrinium phaeospermum （corda） M. B. Ellis. We used shaking culture in a modified Fries culture medium and methanol extraction to isolate the toxin. The optimal developing solvent mixture （methanol： ethyl acetate： H20 at 7：1.5：3） was selected using thin layer chromatography and used as the eluent for toxin purification by silica gel column chromatography. Two toxic fractions were identi- fied in the bioassay. A flaxen oil substance, AP-I, showed higher toxicity than a toxic white powder, AP-II. The more toxic AP-I was determined to be dibutyl phthalate （C16H2204, molecular weight of 278） by mass spectrome- try, nuclear magnetic resonance, and infrared spectropho- tometry. Dibutyl phthalate might contribute to the pathogenesis of bamboo blight.

关键词： Arthrinium phaeospermum Bambusapervariabilis Dendrocalamopsis grandis. Infrared

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Energy-efficient multipath routing in wireless sensor network considering wireless interference

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控制理论与应用（英文版） 2011年第1期9卷 127-132页

作者： li, shujiang Ma, Xin Wang, Xiangdong Tan, Minghao School of Information Science and Engineering Shenyang University of Technology Shenyang Liaoning 110870 China Qinhuangdao Audio-Visual Machinery Research Institute Qinhuangdao Hebei 066000 China

Due to the energy and resource constraints of a wireless sensor node in a wireless sensor network (WSN), design of energy-efficient multipath routing protocols is a crucial concern for WSN applications. To provide high-quality monitoring information, many WSN applications require high-rate data transmission. Multipath routing protocols are often used to increase the network transmission rate and throughput. Although large-scale WSN can be supported by high bandwidth backbone network, the WSN remains the bottleneck due to resource constraints of wireless sensors and the effects of wireless interference. In this paper, we propose a multipath energy-efficient routing protocol for WSN that considers wireless interference. In the proposed routing protocol, nodes in the interference zone of the discovered path are marked and not allowed to take part in the subsequent routing process. In this way, the quality of wireless communication is improved because the effects of wireless interference can be reduced as much as possible. The network load is distributed on multiple paths instead of concentrating on only one path, and node energy cost is more balanced for the entire wireless network. The routing protocol is simulated in NS2 software. Simulation result shows that the proposed routing protocol achieves lower energy cost and longer network lifetime than that in the literature.

关键词： Energy efficiency Wireless sensor network Multipath routing Wireless interference

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Observed Near Inertial Waves in the Wake of Typhoon linfa(2015) in the Northern South China Sea

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Journal of Ocean University of China 2019年第5期18卷 1013-1021页

作者： WANG Guanlin li Dawei WEI Zexun li shujiang WANG Yonggang XU Tengfei College of Meteorology and Oceanography National University of Defense TechnologyNanjing 211101China First Institute of Oceanography Ministry of Natural ResourcesQingdao 266061China Function Laboratory for Ocean Dynamics and Numerical Modeling Pilot National Laboratory for Marine Science and TechnologyQingdao 266237China

This study examined the characteristics and vertical propagation of near inertial waves(NIWs)induced by Typhoon linfa(2015),based on in situ observations conducted southeast of Dongsha Islands in the South China *** results demonstrate that the near inertial currents induced by linfa had velocities up to 35 cm s^-1 in the mixed layer and 20 cm s^-1 in the ocean *** near inertial currents were polarized with predominantly clockwise-rotating components,the magnitudes of which were about 10 times larger than the counter-clockwise rotating *** energy density spectrum showed that the emergence of NIWs resulted in energy redistribution from the diurnal band to the near inertial *** wavenumber spectrum and the downward/upward current decomposition demonstrated that the NIWs and energy flux propagated mainly *** estimated vertical phase velocity and group velocity are 1.44 and 0.48 m h-1,respectively,corresponding to a vertical wavelength of 49.7 *** e-folding time scale was 7.5 d based on the near inertial kinetic energy in the ocean *** found no obvious wave–wave interaction during the decay process of the *** frequency was blue-shifted,being 0.03 f0 higher than the local inertial frequency,which was caused by the background *** normal mode analysis suggests that the higher mode plays a dominant role in the propagation stage of the NIWs.

关键词： South China Sea near inertial waves typhoon linfa

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A double-halocline structure in the Canada Basin of the Arctic Ocean

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Acta Oceanologica Sinica 2005年第6期24卷 25-35页

作者： SHI Jiuxin ZHAO Jinping li shujiang CAO Yong QU Ping First Institute of Oceanography State Oceanic Administration Qingdao 266061 China College of Physical and Environmental Oceanography Ocean University of China Qingdao 266003 China College of Physical and Environmental Oceanography Ocean University of China Qingdao 266003 China College of Physical and Environmental Oceanography Ocean University of China Qingdao 266003 China Shanghai Oceanic Environment Forecast Center State Oceanic Administration Shanghai 200137 China

A year-round halocline is a particular hydrographic structure in the upperArctic Ocean. On the basis of an analysis of the hydrographic data collected in the Arctic Ocean, itis found that a double-halocline structure exists in the upper layer of the southern Canada Basin,which is absolutely different from the Cold Halocline Layer (CHL) in the Eurasian Basin. ThePacific-origin water is the primary factor in the formation of the double-halocline structure. Theupper halocline lies between the summer modification and the winter modification of thePacific-origin water while the lower halocline results from the Pacific-origin water overlying uponthe Atlantic-origin water. Both haloclines are all the year-round although seasonal and interannualvariations have been detected in the historical data.

关键词： halocline, salinity pacific-origin water canada basin arctic ocean

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