云南高校图书馆联盟文献共享服务平台- SPA

SPA: 作品数：3800被引量：4048H指数：22; 导出分析报告; 相关作者：张春英何勇刘保相王万军李焱更多>>; 相关机构：东辉休闲运动用品(上海)有限公司广州健之杰洁具有限公司明达实业(厦门)有限公司天津大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中央高校基本科研业务费专项资金国家科技支撑计划更多>>

掺SPA再生混凝土收缩及抗裂性试验研究: 《广东水利电力职业技术学院学报》2025年第2期39-42,共4页高飞; 为揭示高吸水性树脂(SAP)对再生混凝土性能的影响规律及作用机制,研究内养护剂掺量、粒径以及再生集料替代率的水泥混凝土收缩和抗裂性能。结果表明:再生混凝土收缩率削减效果与再生集料替代率、内养护剂掺量和粒径密切相关;100%替代率...; 关键词：混凝土再生集料内养护收缩抗裂

中药SPA,破局“坐月子不能洗澡”之困: 《中医健康养生》2025年第5期43-45,共3页胡丽; 我国自古就有新产妇坐月子的传统,该习俗的记载最早可追溯自《礼记·内则》。现代医学则将坐月子这段时期称为“产褥期”。关于坐月子,民间有很多禁忌之说,比如坐月子期间不能洗头、洗澡,也不能吹空调,应该“躺平”、多捂汗。于是,许多...; 关键词：禁忌产褥期洗澡发热传统习俗坐月子 SPA

Privacy-preserving recommendation with coarse-grained spatiotemporal contexts: 《Science China(Information Sciences)》2025年第4期62-77,共16页Lei CHEN Chen GAO Jiahuan LEI Xiaoyi DU Xinlei SHI Hengliang LUO Depeng JIN Yong LI Meng WANG; supported in part by National Natural Science Foundation of China(Grant Nos.72188101,62272262,72342032,72442026,62402077);National Key Research and Development Program of China(Grant No.2022YFB3104-702);New Cornerstone Science Foundation through the XPLORER PRIZE,China Postdoctoral Science Foundation(Grant No.2023M741943);Postdoctoral Fellowship Program of CPSF(Grant No.GZC20231373)。; The behavior of users on online life service platforms like Meituan and Yelp often occurs within specific finegrained spatiotemporal contexts(i.e.,when and where).Recommender systems,designed to serve millions of user...; 关键词：privacy-preserveing coarse-grained spatiotemporal contexts recommender systems

Spatiotemporal Evolution Characteristics and Driving Factors of Museums in Beijing: 《Journal of Resources and Ecology》2025年第2期580-592,共13页WU Liyun XU Jiayang; The National Social Science Foundation Art Project of China(21BH157)。; Based on data from Beijing museums spanning 1980 to 2020,this study employs spatial analysis methods such as geographical concentration index,imbalance index,kernel density and standard deviation ellipse characterize ...; 关键词：MUSEUMS spatiotemporal evolution influencing factors BEIJING

Spatiotemporal distribution and diversity of microplastics in the sediment of beaches in Xiamen City,China: 《Journal of Oceanology and Limnology》2025年第2期396-405,共10页Fengrun WU Xueyan LI Chengyi ZHANG Tao WANG; Supported by the Natural Science Foundation of Fujian Province(No.2022J05278);the Marine and Fishery Development Special Fund of Xiamen(No.23YYST064QCB36)。; Coastal ecosystems are plagued by high levels of microplastic pollution.Conducting baseline surveys is crucial to comprehend the distribution and influencing factors of this pollution.The present study investigates th...; 关键词：microplastic pollution coastal beaches spatiotemporal variation DIVERSITY

Multiscale Spatiotemporal Evolution and Obstacle Factors of High-quality Development in China: 《Journal of Resources and Ecology》2025年第2期283-296,共14页CHEN Mengchan YANG Fangqin SUN Jianwei LUO Jing CUI Jiaxing KONG Xuesong; The National Natural Science Foundation of China (41961031, 42271228, 42361028);The Guizhou Provincial Science and Technology Project (Qiankehe Foundation-ZK (2022, General 313);2019 Academic New Seedling Cultivation and Innovation Exploration Special Project of Guizhou Normal University (Qian Shi Xin Miao (2019),No. A13)。; High-quality development is essential for China’s modernization.The in-depth implementation of the new development philosophy has become crucial for promoting China’s development in the context of“domestic and inte...; 关键词：new development philosophy high-quality development spatiotemporal pattern obstacle factor China

SPA-H集装箱用钢脱氧工艺优化实践: 《鞍钢技术》2025年第2期55-60,共6页李广帮王富亮李超赵亮孙深陆志豪常桂华; 针对260 t顶底复吹转炉冶炼SPA-H集装箱用钢,转炉出钢过程中采用铝脱氧工艺增加铝烧损的问题,研究采用硅锰合金对钢水进行弱脱氧工艺,在LF精炼时进行深脱氧和脱硫。该工艺应用后,连铸坯经轧制后的钢板中夹杂物级别均不超过1.0级,钢质比...; 关键词：顶底复吹转炉集装箱用钢弱脱氧脱硫

不加Ni薄规格集装箱板SPA-H面彗星状缺陷的研究: 《中国科技期刊数据库工业A》2025年第4期162-166,共5页杨云陈思; 以同计划相同规格生产薄规格集装箱板SPA-H出现彗星状缺陷与否的材料为研究对象,进行板坯角样、成分控制、加热制度、轧制温度、缺陷组织形貌进行对比分析,发现彗星状缺陷的本质为翘皮缺陷,其形成原因为连铸板坯窄面缺陷在经过加热炉加...; 关键词：彗星状组织形貌连铸坯加热温度轧制温度

Tracing the agro-pastoral ecotone transition in northern China from the human-Earth system perspective: 《Journal of Geographical Sciences》2025年第4期783-799,共17页BAI Yu LIU Yansui YUAN Xuefeng; National Natural Science Foundation of China,No.42293271,No.42401321,No.42371210;Fundamental Research Funds for the Central Universities,CHD,No.300102354101。; The agro-pastoral ecotone in northern China (APENC) is an ecologically fragile region with a variable climate and unbalanced socioeconomic development.Identifying the spatial range and transitional dynamics of the APE...; 关键词：agro-pastoral ecotone in northern China(APENC) human-Earth system spatiotemporal evolution sustainable development

Long-term spatiotemporal variations of ammonia in the Yangtze River Delta region of China and its driving factors: 《Journal of Environmental Sciences》2025年第4期202-217,共16页Jingkai Xue Chengzhi Xing Qihua Li Shanshan Wang Qihou Hu Yizhi Zhu Ting Liu Chengxin Zhang Cheng Liu; supported by the Joint Funds of the National Natural Science Foundation of China(No.U21A2027);the New Cornerstone Science Foundation through the XPLORER PRIZE(2023-1033).; This study focuses on the spatiotemporal distribution,urban-rural variations,and driving factors of ammonia Vertical Column Densities(VCDs)in China’s Yangtze River Delta region(YRD)from 2008 to 2020.Utilizing data fr...; 关键词：Yangtze River Delta AMMONIA Spatiotemporal distribution Driving factors

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