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新郑市水系连通及水美乡村建设分析

河南水利与南水北调 2024年第5期53卷 20-21页

作者：唐志强新郑市水利局河南商新郑451100

农村水系对农村经济发展起到了重要的作用,在水美乡村要求提出后,需要了解农村建设的基本信息,获取基本数据,并且充分尊重自然条件,通过生态修复等方式,保证水资源承载力,为建设方案的落实提供基础条件。文章以新郑市水系连通以及水美... 详细信息

农村水系对农村经济发展起到了重要的作用,在水美乡村要求提出后,需要了解农村建设的基本信息,获取基本数据,并且充分尊重自然条件,通过生态修复等方式,保证水资源承载力,为建设方案的落实提供基础条件。文章以新郑市水系连通以及水美乡村建设为案例进行分析,指出水系连通的技术要点,并且针对出现的问题进行全方位识别,希望增强水系空间形态修复能力,通过合理的调控技术,达到可持续发展目标。

关键词：水美乡村建设水系连通技术要点发展需求

ESG理念下的上市公司绩效评价研究——以苏宁易购为例

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全国流通经济 2024年第3期 84-87页

作者：唐志强长江大学经济与管理学院湖北荆州434000

随着时代的发展,ESG(Environmental, Social and Governance)理念越来越受到人们的重视,ESG主要由环保、社会和公司治理三个领域所构成,为人们提供了一个更加全面的视角来分析企业价值。近年来,随着我国经济转型升级,社会经济逐渐向低... 详细信息

随着时代的发展,ESG(Environmental, Social and Governance)理念越来越受到人们的重视,ESG主要由环保、社会和公司治理三个领域所构成,为人们提供了一个更加全面的视角来分析企业价值。近年来,随着我国经济转型升级,社会经济逐渐向低碳绿色方向发展,ESG理念开始盛行,企业也从过去单纯追求经济效益,转变为追求经济效益与社会效益的协同发展,本文通过引入ESG评级,分析苏宁易购的ESG表现,从而促进企业实现可持续、高质量发展。

关键词： ESG 经济效益社会效益

杂交粳稻茎秆力学性状与理化特征对抗倒伏能力的影响

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农业工程学报 2024年第14期40卷 44-52页

作者：杨洪伟张丽颖唐志强于丰华许童羽沈阳农业大学信息与电气工程学院沈阳110866 国家数字农业区域创新分中心(东北) 沈阳110866 辽宁省智慧农业技术重点实验室沈阳110866 辽宁省水稻研究所沈阳110161 北方杂交粳稻工程技术研究中心沈阳110161

倒伏严重影响着水稻的产量和品质,为探究田间自然栽培条件下杂交粳稻茎秆力学性状与理化特征对抗倒伏能力的影响,研究选取北方地区生产上主要推广的弯曲穗型杂交粳稻品种辽优2006(LY2006)、辽优5218(LY5218)、辽优5273(LY5273)为供试对... 详细信息

倒伏严重影响着水稻的产量和品质,为探究田间自然栽培条件下杂交粳稻茎秆力学性状与理化特征对抗倒伏能力的影响,研究选取北方地区生产上主要推广的弯曲穗型杂交粳稻品种辽优2006(LY2006)、辽优5218(LY5218)、辽优5273(LY5273)为供试对象,易倒伏常规粳稻品种农林313(NL313(CK))为对照,测量其农艺性状和微观组织构成等理化指标,并通过弯曲试验及拉伸试验,测定其茎秆最大抗折力、断裂弯矩、抗弯截面系数、单茎自重质量矩、弯曲强度、杨氏弹性模量、惯性矩等力学指标,并研究测量的理化指标及力学指标与倒伏指数之间的相关关系。结果表明:供试对象的倒伏指数和对照之间存在极显著差异(P<0.01),供试对象抗倒伏性显著高于对照。供试对象和对照在株高、基部节间长度、组织构成等理化指标及力学指标间均存在极显著差异(P<0.01),供试对象的株高、单穗鲜质量均大于对照,因此,在相同的栽培条件下,并不是株高越矮、穗越轻,抗倒伏能力就越强。缩短基部节间长度、延长叶鞘长度、提高组织厚度及维管束面积、增加纤维素、木质素及钾元素含量等均能有效提升水稻植株的抗倒伏能力。研究还发现,水稻植株的抗倒伏能力与其茎秆最大抗折力、断裂弯矩、抗弯截面系数、弯曲强度、杨氏弹性模量之间存在极显著正相关(P<0.01),与单茎自重质量矩、惯性矩之间存在极显著负相关(P<0.01),选取其作为水稻植株抗倒伏能力的参考指标是可行的。研究结果可为北方杂交粳稻抗倒伏品种选育、改良及抗倒伏农艺性状调控提供综合的数据支持和理论支撑。

关键词：力学性质抗倒伏能力农作物改良杂交粳稻茎秆特性

Studies on the influence of spar position on aeroelastic optimization of a large aircraft wing

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Science China(Technological Sciences) 2012年第1期55卷 117-124页

作者： WAN zhiqiang LIU DongYue tang ChangHong YANG Chao School of Aeronautic Science and Engineering Beihang University Beijing 100191 China

Aeroelastic problems are encountered at the preliminary design stage of flexible wings for large aircraft. A three-dimensional finite element model of a high-aspect-ratio wing was built, and the influence of the front and rear spar positions on the results of the aeroelastic analysis and optimization was studied to improve the wing structure desgin. The most feasible and optimal solutions were effectively obtained by aeroelastic optimization. In particular, the position parameter of the front spar has a greater influence on the aeroelastic analysis and optimization than the rear spar. In addition, some key constraints became re- strictive leading to a rapid increase in the structural weight. Therefore, reasonable constraints were necessary for the optimization of results.

关键词： large aircraft aeroelasticity optimization design high-aspect-ratio wing spar

臭氧微纳米气泡-高级氧化耦合工艺深度处理工业废水

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水处理技术 2024年第5期50卷 130-135页

作者：唐志强张全党郑瑛玮毕春慧张弛王大伟中铁建生态环境有限公司重庆400711 河海大学材料科学与工程学院江苏常州213200 河海大学环境学院浅水湖泊综合治理与资源开发教育部重点实验室江苏南京210098

工业废水具有水量大、水质复杂、污染物浓度高、毒性强、腐蚀性强及难降解等特点,传统处理技术难以取得良好效果。本研究首次将压力强化臭氧微纳米气泡与高级氧化工艺耦合,构建了新型压力强化臭氧微纳米气泡—高级氧化耦合工艺反应器。... 详细信息

工业废水具有水量大、水质复杂、污染物浓度高、毒性强、腐蚀性强及难降解等特点,传统处理技术难以取得良好效果。本研究首次将压力强化臭氧微纳米气泡与高级氧化工艺耦合,构建了新型压力强化臭氧微纳米气泡—高级氧化耦合工艺反应器。从污染物去除率、不同条件下反应器内气泡粒径差异、液体中臭氧浓度、溶解氧浓度及尾气中臭氧浓度等多角度明确了反应器的最优参数为0.3 Mpa的出水压力及0.5 L/min的进气流量,明确了反应器的最佳使用温度范围为15℃至25℃。并从活性自由基的角度阐明了压力强化臭氧微纳米气泡耦合高级氧化工艺去除水中难降解污染物过程中的机制。本研究的研究成果有望为实现控制工业废水处理成本、提高COD去除率和矿化难降解污染物,为臭氧微纳米气泡技术的高效运行及安装优化提供理论依据和技术支持。

关键词：压力强化臭氧微纳米气泡高级氧化反应器最优参数水质参数影响活性自由基

Investigation of the interior RC beam-column joints under monotonic antisymmetrical load

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Frontiers of Structural and Civil Engineering 2019年第6期13卷 1474-1494页

作者： Fei GAO zhiqiang tang Biao HU Junbo CHEN Hongping ZHU Jian MA School of Civil Engineering and Mechanics Huazhong University of Science and TechnologyWuhan 430074China Guangdong Provincial Key L aboratory of Durability for Marine Civil Engineering Shenzhen UniversityShenzhen 518060China Department of Civil and Environmental Engineering The Hong Kong Polytechnic UniversityHong Kong 999077China

The paper presents numerical findings of reinforced concrete interior beam-column joints under monotonic antisymmetrical *** finite element models considered compression and tension damage were calibrated by test results in terms of the load-displacement,failure modes,and strains of longitudinal *** emphasis was put on studying the effects of hoop reinforcement ratio in joint core and the axial compression ratio on the responses of the *** results show that,in addition to the truss and strut-and-tie mechanisms,the confinement mechanism also existed in the joint core.A certain amount of stirrup is not only able to enhance the confinement in joint core,undertake a part of shear force and thus to increase the shear capacity,prevent the outward buckling of steel bars in column,improve the stress distribution in joint core,delay cracking and restrain the propagation of cracks,but also to increase the yield load,decrease the yield displacement of beam and improve the joint ***,excessive horizontal stirrups contribute little to the joint *** a certain range,larger axial compression ratio is beneficial for the joint mechanical behavior,while it is negative when axial compression ratio is too large.

关键词： RC beam-column joint reinforcement ratio in joint core axial compression ratio finite element test

Direct observation of the Mpemba effect with water:Probe the mysterious heat transfer

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InfoMat 2023年第2期5卷 1-10页

作者： zhiqiang tang Weidong Huang Yagang Zhang Yanxia Liu Lin Zhao School of Materials and Energy University of Electronic Science and Technology of ChinaChengduPeople's Republic of China State Key Laboratory of Electronic Thin Films and Integrated Devices University of Electronic Science and Technology of ChinaChengduPeople's Republic of China

The Mpemba effect is one of the most perplexing puzzles in *** it has been discussed extensively,direct observation of the Mpemba effect is extremely challenging and ***,we report the first systematic study of the Mpemba effect with water and clearly point out the conditions required for the observation of the Mpemba *** results demonstrate that hot water usually has a faster cooling rate than cold *** initial temperature,temperature difference,shape of the container,and water volume influence the heat exchange and the cooling *** to the influential factors of heat exchange,the Mpemba effect can only be observed under specific *** work helps to clarify doubts and confusion about the Mpemba effect and can offer alternative strategies for energy storage and transfer materials.

关键词： cooling rate energy storage and transfer heat transfer Mpemba effect

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溶剂发泡对天然气净化装置的影响分析

辽宁化工 2024年第6期53卷 962-966页

作者：汤俊罗曼柔唐志强张晶晶林戈中石化广元天然气净化有限公司四川广元628400

甲基二乙醇胺(MDEA)是天然气净化工业中常用的脱硫剂,溶剂发泡常见于该类脱硫剂,会影响装置平稳生产,严重时造成冲塔事故。分析了溶剂发泡原因,对装置的影响及原理,并对消泡后的操作给出建议。结果表明:溶剂发泡主要是泡沫的累积,在体... 详细信息

甲基二乙醇胺(MDEA)是天然气净化工业中常用的脱硫剂,溶剂发泡常见于该类脱硫剂,会影响装置平稳生产,严重时造成冲塔事故。分析了溶剂发泡原因,对装置的影响及原理,并对消泡后的操作给出建议。结果表明:溶剂发泡主要是泡沫的累积,在体系中泡沫生成容易,生成速度大于消泡速度;发泡后,溶剂对羰基硫的吸收能力增强,湿气中羰基硫质量分数下降29.6%,闪蒸罐液位会不断上涨,再生塔液位下降,塔顶温度平均上升3.14℃,回流量增加436kg·h^(-1);消泡后装置短时波动较大,应注意液位控制,根据酸性气量调整克劳斯炉配风。

关键词：天然气净化 MDEA 溶剂发泡吸收酸性气

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Key-Part Attention Retrieval for Robotic Object Recognition

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Tsinghua Science and Technology 2024年第3期29卷 644-655页

作者： Jierui Liu zhiqiang Cao Yingbo tang State KeyLaboratory of Multimodal Artificial Intelligence Systems Institute of AutomationChinese Academy of SciencesBeijing100190China School of Artificial Intelligence University of Chinese Academy of SciencesBeijing 100049China

The ability to recognize novel objects with a few visual samples is critical in the robotic *** methods mainly concern the recognition of inter-category objects,however,the object recognition fromdifferent sub-classes within the same category remains challenging due to their similar *** thispaper,we propose a key-part attention retrieval solution to distinguish novel objects of different sub-classesaccording to a few samples without ***,an object encoder,including convolutional neuralnetwork with attention and key-part aggregation,is designed to generate object attention map and extract theobject-level embedding,where object attention map from the middle stage of the backbone is used to guide thekey-part ***,to overcome the non-differentiability drawback of key-part attention,the objectencoder is trained in a two-step scheme,and a more stable object-level embedding is *** this basis,the potential objects are located from a scene image by mining connected domains of the attention *** the embedding of each potential object and embeddings from support data,the recognition of thepotential objects is *** effectiveness of the proposed method is verified by experiments.

关键词： key-part attention retrieval robotic object recognition