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Spatial-temporal Evolution of the Urban-rural Coordination Relationship in Northeast China in 1990-2018 被引量:4
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作者 WANG Ying CHEN Xiaohong +2 位作者 SUN Pingjun LIU Hang HE Jiaxin 《Chinese Geographical Science》 SCIE CSCD 2021年第3期429-443,共15页
To comprehensively understand the law of urban-rural relationship and propose scientific measures of urban-rural coordinated development in Northeast China,this study uses the coupling coordination degree model and ge... To comprehensively understand the law of urban-rural relationship and propose scientific measures of urban-rural coordinated development in Northeast China,this study uses the coupling coordination degree model and geographically and temporally weighted regression(GTWR)model to analyze the spatial-temporal patterns and the corresponding driving mechanisms of its urban-rural coordination since 1990.The results are as follows.First,the urban-rural coupling coordination degree in Northeast China was very low and improved slowly,but its stages of evolution is a good interpretation of the strategic arrangements of China's urbanization.Second,the urban-rural coupling coordination degree in Northeast China had spatial differences and was characterized by central polarization,converging on urban agglomeration,which was high in the south and low in the north.Moreover,the gap between the north and south weakened.Third,the spatial-temporal evolution of the urban-rural coordination relationship in Northeast China was influenced by pulling from the central cities,pushing from rural transformation,and government regulations.The influence intensity of the three mechanisms was weak,but the pulling from the central cities was stronger than that of the other two mechanisms.Furthermore,the spatial difference between the three mechanisms determines the spatial pattern and its evolution of the urban-rural coordination relationship in Northeast China.Fourth,to promote the development of urban-rural coordination in Northeast China,it is essential to advance urban-rural economic correlation,enhance the government^role in regulating and guiding,and adopt different policies for each region in Northeast China. 展开更多
关键词 urban-rural coordination relationship spatial-temporal evolution coupling coordination degree model geographically and temporally weighted regression(GTWR) Northeast China
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Theoretical Logic and Practical Paths for Promoting Chinese Modernization Through High-Quality Integrated Urban-Rural Development
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作者 Li Yongsheng Xu Xialin Xu Zheng 《Contemporary Social Sciences》 2025年第6期135-155,共21页
Integrated urban-rural development is an inevitable choice for promoting Chinese modernization.High-quality integrated urban-rural development is essentially a practical response to the current multi-factor and multi-... Integrated urban-rural development is an inevitable choice for promoting Chinese modernization.High-quality integrated urban-rural development is essentially a practical response to the current multi-factor and multi-sectoral challenges in urban-rural relations,and plays an important role in implementing the new development philosophy,which promotes Chinese modernization.The theoretical logic supporting the function it plays in enabling Chinese modernization lies in the following aspects:it leverages the free flow of population and resources between urban and rural areas and thus facilitates the balanced development of China’s modernization;it advances the common prosperity of all people through its new type of urban-rural and industrial-agricultural relations;it fosters the coordinated development of the material and spiritual civilizations through the integration of urban and rural cultures;it promotes steering the modernization toward green development through the joint building and managing of the overall urban-rural ecosystem;and it drives modernization in a harmonious and stable direction through integrated urban-rural development.Currently,integrated urban-rural development still faces challenges such as restrictions on the two-way flow of factors,the low efficiency of industrial coordination and support,unequal access to public service facilities,and the insufficient use of land.Therefore,based on the strategic framework of urban-rural integrated development,it is necessary to continuously promote Chinese modernization through high-quality integrated urban-rural development from the perspectives of deepening institutional coordination,expanding the application of digital intelligence in urban and rural industries,optimizing public services,and improving land management. 展开更多
关键词 high-quality urban-rural integrated development Chinese modernization new development philosophy common prosperity
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Urban-rural Coordinated Development in China from the Perspective of New Urbanization:A Case Study of Jinan City
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作者 Kai LIU Mei REN Jianlan REN 《Asian Agricultural Research》 2015年第8期44-47,共4页
New urbanization has important and practical significance and profound historical significance to the building of a moderately prosperous society in all respects,acceleration of the socialist modernization process and... New urbanization has important and practical significance and profound historical significance to the building of a moderately prosperous society in all respects,acceleration of the socialist modernization process and the great rejuvenation of the Chinese nation. And new urbanization emphasizes the coordinated development of urban and rural areas,and it provides new idea for constructing new relationship between urban and rural areas and solving issues of agriculture. This paper sees new urbanization as background,takes Jinan City as an example to study the constraints on coordinated development of urban and rural areas,path choice,urban and rural primary missions. The strategies and measures are finally put forward. This paper will help to solve the problem of the uncoordinated development of urban and rural areas,enrich the research content of urban and rural areas,and provide a reference for other cities. 展开更多
关键词 new URBANIZATION urban-rural COORDINATED developme
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Exploring the urban-rural development differences and influencing factors in the Huang-Huai-Hai Plain of China 被引量:4
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作者 CHENG Mingyang LI Linna ZHOU Yang 《Journal of Geographical Sciences》 SCIE CSCD 2020年第10期1603-1616,共14页
Uneven urban and rural development is one of the main reasons for the decline of the countryside.This imbalance could be measured by the urban-rural difference index(URDI).Existing studies on urban-rural differences h... Uneven urban and rural development is one of the main reasons for the decline of the countryside.This imbalance could be measured by the urban-rural difference index(URDI).Existing studies on urban-rural differences have focused on single dimension between urban and rural areas,and lack a systematic multi-dimensional measurement.Based on the construction of an index system and model for measuring urban-rural differences,this study took the Huang-Huai-Hai Plain(HHHP)as the study area,explores the spatial pattern of urban-rural differences in the area,and used geographical weighted regression models to identify the factors affecting urban-rural development differences.Results show that the mean value of URDI in the HHHP was 0.295,and the URDI in its western region was higher than that in the east.The average URDI was relatively high in the western counties along the Beijing–Guangzhou Railway.The low level of urban-rural'population-land-industry'development in the HHHP is an important reason for the small differences between urban and rural areas.Improvements in road transportation infrastructure have led to an increase in the urban-rural development gap.However,the driving force of the road network on urban development is greater than that on rural areas.The role of county economic agglomeration is gaining strength.In the process of rapid economic development,more attention should be paid to the development of the rural economy and the overall revitalization of the countryside.The equivalent allocation of social service facilities is an effective way to solve the problem of urban-rural imbalance.Further analysis demonstrated that terrain factors have relatively little influence on the URDI.This study provides a new perspective and measurement method for understanding the integration of urban and rural development,and provides a useful reference for guiding the urban-rural integration development and the rural revitalization. 展开更多
关键词 urban-rural difference index(URDI) population-land-industry urban-rural relationship rural revitalization Huang-Huai-Hai Plain(HHHP) China
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New Geochronologic Evidence of Diabases and Their Metallogenic Relationship with the Makeng-Type Iron Deposits in Southwest Fujian, SE China 被引量:4
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作者 WANG Sen ZHANG Da +4 位作者 WU Ganguo CAO Ke QU Hongjie MA Shuai YU Tengda 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2017年第6期2324-2326,共3页
Objective The Makeng-type iron deposits are located in Late Paleozoic depression of southwest Fujian Province in the southeast edge of Cathaysia, which are famous for their huge scale and specific ore genesis. Previo... Objective The Makeng-type iron deposits are located in Late Paleozoic depression of southwest Fujian Province in the southeast edge of Cathaysia, which are famous for their huge scale and specific ore genesis. Previous studies mainly focus on the ore characteristics, metallogenic setting and the granites in the mining area, and there is still controversy on the ore genesis. Recent research has revealed that the iron ore bodies are spatially closely related to diabase rocks, especially those in the Makeng Fe deposit. Diabase dykes are widely distributed in the Makeng, Luoyang, Zhangkeng and other iron deposits, 展开更多
关键词 new Geochronologic Evidence Metallogenic relationship
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Urban flood control strategy based on new relationship of human and flood 被引量:1
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作者 WAN Yan-hua LUO Dan GUO Yong 《Ecological Economy》 2010年第2期187-194,共8页
China is one of the countries with the most serious flooding disasters.In China,above 70% of big cities,50% of population and 75% of industrial and agricultural output value are distributed in eastern coastal areas wi... China is one of the countries with the most serious flooding disasters.In China,above 70% of big cities,50% of population and 75% of industrial and agricultural output value are distributed in eastern coastal areas with serious flooding.Therefore,enhancement of theoretical study and experience summarization of urban flood control is of great theoretical and practical significance.As economy is developing rapidly,urban scale is expanding fast,and urban flood control stand is promoted.Urban flood control calls for new concept and methods.This paper makes a systematic summarization of concept evolution and advanced methods concerning urban flood control at home and abroad.The concept of urban flood control has transformed from simple flood control and drainage to coexistence with and use of flood.Flood control measures have transferred form emphasis upon engineering ones to priority to both engineering and non-engineering ones,with special attention to ecological flood control,such as making full use of ecological revetment,ecological realignment of a river,multi-objective management of urban flood detention region,turning flood into resources and utilization of wetlands. 展开更多
关键词 Urban flood control new relationship of human and flood Rapid urbanization SUSTAINABLE
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Exploration on the Characteristics and Important Relationships of Xi Jinping's New Concept of Coordinated Economic Development
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作者 Huang Shaoqin Sun Peng Wu Hao 《Contemporary Social Sciences》 2017年第4期96-108,共13页
During the 18 th CPC National Congress, Xi Jinping raised a series of economic development thoughts, namely the five new concepts of development; innovative, coordinated, green, open and shared development, and put fo... During the 18 th CPC National Congress, Xi Jinping raised a series of economic development thoughts, namely the five new concepts of development; innovative, coordinated, green, open and shared development, and put forward a series of economic development thoughts including"people-centered"economic development. These are the new summations of the practice of socialism with Chinese characteristics, and the latest achievements in the theory of the political economics of socialism with Chinese characteristics."People-centered"is both the starting point and final purpose of coordinated economic development, an accurate mastery of social and economic development rules, and also the foundation and specific manifestation of coordinated development between people and society. People's subjectivity, coordinated inclusiveness and dialectics of development are the characteristics of coordinated economic development. Regional coordinated development, urbanrural coordinated development, industrial coordinated development, coordinated development of national defense and economic construction, supply and demand coordinated development, ecological coordinated development and interacted coordinated development of the global economy are the important relationships of coordinated economic development that we have to recognize and handle properly. 展开更多
关键词 Xi Jinping’s new concept of coordinated development new feature important relationships
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New DevelopmenTrends of the China-Africa Relationship
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作者 ZHOU LIN 《China Today》 2018年第9期28-30,共3页
THE scorching weather in Beijing could not deter a group of young Africans from visiting the myriad of high-tech companies scattered across the city’s Zhongguancun Science Park(Z-Park)in late June.Tese youth represen... THE scorching weather in Beijing could not deter a group of young Africans from visiting the myriad of high-tech companies scattered across the city’s Zhongguancun Science Park(Z-Park)in late June.Tese youth representatives from 53 African countries and the African Union(AU)are also members of the Forum on China-Africa Cooperation(FOCAC).Since its establishment in 2000,FOCAC has become a vital platform to coordinate and strengthen cooperation between China and African countries. 展开更多
关键词 new Development Trends the China-Africa relationship
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An Analysis of Relationship between Psychological Capital of New Generation of Migrant Workers and Their Education Background
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作者 XIE Xiaoling TANG Yan'er 《International English Education Research》 2018年第4期60-62,共3页
This paper selects works of new generation migrant workers in partial enterprises in Guangzhou as the research samples, collects data by questionnaire surveys and makes the statistic analysis on date. As average value... This paper selects works of new generation migrant workers in partial enterprises in Guangzhou as the research samples, collects data by questionnaire surveys and makes the statistic analysis on date. As average values suggested, the psychological capital of new generation migrant workers is located in higher medium level. It exists positive relationship between education background and psychological capital. Finally, propose related suggestions from vertical and horizontal aspects such as from government to school and education funds to education form. 展开更多
关键词 new generation migrant worker psychological capital education relationship
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New Trends in the Relationship Between Major Western Countries and Africa
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作者 Xing Yuchun is Associate Research Fellow at China Institute of International Studies. 《China International Studies》 2006年第3期49-64,共16页
With the deep-going development of globalization and enhanced African unity for self-improvement, the international community is paying more and more attention to the standing of Africa and the role it plays. The Unit... With the deep-going development of globalization and enhanced African unity for self-improvement, the international community is paying more and more attention to the standing of Africa and the role it plays. The United States, Japan, Russia, India and the European Union (EU), are strengthening and upgrading, out of their own needs, their political and economic relations with African countries in a bid to consolidate their strategic interests in the continent. 展开更多
关键词 new Trends in the relationship Between Major Western Countries and Africa
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A Comparative Study Of New Criticism&Semiotic Criticism——In Terms Of Their View Of The Relationship Between The Fictional World&The Real World
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作者 Chen Hong-Qin 《宜宾学院学报》 1997年第4期53-57,共5页
As we know,new criticism is the post—world school of critical theory insists onthe intrinsic value of work of art and focusses on the individual work alone asan independent unit of meaning.It is opposed to the critic... As we know,new criticism is the post—world school of critical theory insists onthe intrinsic value of work of art and focusses on the individual work alone asan independent unit of meaning.It is opposed to the critical practice of bringing histori-cal of brographical data to bear on the anterpretation of a work.To the new critocs,poet-.ry was a special kind of discourse,a means of communicating feeling and thought thatwould not be expressed in any other kind of language.It differed qualitatively from thelanguage of science,or philosophy,but it converyed valid meanings.Such critics set outto define and formalize the qualities of poetic thought and languagege,using the techniqueof close reading with special emphasis on the implicative values of works and on the vari-ous function of figurative language—imagery,metaphor and symbol—in the work. 展开更多
关键词 World A Comparative Study Of new Criticism&Semiotic Criticism VIEW In Terms Of Their View Of The relationship Between The Fictional World&The Real World
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Study on the Relationship Between Traditional Woodcut New Year Pictures and Traditional Mural Paintings in Shanxi
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作者 ZHANG Tong-yuan QIN Yu-mei 《Journal of Literature and Art Studies》 2024年第12期1090-1095,共6页
The traditional woodcut New Year pictures in Shanxi have a long history, which is a classic folk art work in China. The branch of culture it represents is the traditional culture branch in the Yellow River basin, whic... The traditional woodcut New Year pictures in Shanxi have a long history, which is a classic folk art work in China. The branch of culture it represents is the traditional culture branch in the Yellow River basin, which flourished in the Ming and Qing Dynasties, among which the Woodcut New Year pictures in the south of Shanxi are the most famous. This kind of wood-block New Year picture technology is very rich in connotation, including the use of traditional Chinese mural painting powder, powder is born in the Sui and Tang dynasties mural painting an important tool, which shows that powder in the field of Chinese traditional art to participate in the creation of a significant position, artistic value is very high. In this paper, we will specifically discuss the traditional Shanxi New Year wood-block pictures and traditional mural paintings, and deeply understand the basic concepts and characteristics of the two. Finally, this paper studies the internal subtle relationship between the two from three aspects: the remains of the works, the time of painting and literary illustrations. 展开更多
关键词 Shanxi traditional wood-block new Year pictures mural painting powder characteristic expression relationship remains of works literary illustration
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My Way or High Way? New relationship of employer/employee and their respective ways of survival
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作者 Shang Lin’aiyi 《China Textile》 2008年第2期24-27,共4页
Early in the gestation stage of the new labor contract law, the intensive debates sparked by worries and doubts prevailed, and the event of Huawei Group forcing their employees to re-apply for their jobs made this con... Early in the gestation stage of the new labor contract law, the intensive debates sparked by worries and doubts prevailed, and the event of Huawei Group forcing their employees to re-apply for their jobs made this controversy reach fever pitch. When it came into effect on 1st January, 2008, confusions still bothered people of all sides: someone were on thorns about the increased cost and found wry ways to digest it, and someone were scramble to their rights and looked for shortcut to get it, etc. in particular, textile industry featuring labor-intensive will increase 20% on average in terms of cost, so how to cushion the blow and reverse adversity become prominent, what’s more, we should emancipate our mind to create profits rather than make ourselves balky with losses. Brand-building, technology application as well as expanding business abroad where with relatively cheap cost, etc, all of which can be utilized. In fact, launch of new labor contract law coupled with other polices home and aboard and materials cost increment lift the threshold of Chinese textile industry and rendered a new shuffling, so that the conception of "survival of the fittest" becomes the last straw we should grasp…… 展开更多
关键词 My Way or High Way new relationship of employer/employee and their respective ways of survival
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耐心资本赋能企业全要素生产率提升的机制和途径 被引量:1
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作者 胡海峰 张烨 王爱萍 《新疆师范大学学报(哲学社会科学版)》 北大核心 2026年第1期62-73,F0002,共13页
耐心资本秉持超越短期利益、专注长期价值积累的理念,具有战略性、稳定性与风险容忍性特征,对企业全要素生产率的提升发挥重要作用。文本以2013-2024年我国A股上市公司为研究样本,重点探讨耐心资本对企业全要素生产率的影响效应及作用... 耐心资本秉持超越短期利益、专注长期价值积累的理念,具有战略性、稳定性与风险容忍性特征,对企业全要素生产率的提升发挥重要作用。文本以2013-2024年我国A股上市公司为研究样本,重点探讨耐心资本对企业全要素生产率的影响效应及作用机制。研究结果表明,耐心资本投入对企业全要素生产率具有显著的提升作用。通过作用机制检验发现,耐心资本主要通过强化企业可持续经营导向、稳定供应链合作关系以及推动新质化发展三条路径促进全要素生产率提升;异质性检验显示,耐心资本的积极效应在高金融发展水平、低政府补助地区以及高科技企业与融资约束较高的企业中更加突出。此外,提高信息披露质量能够增强耐心资本对企业的认同,引导更多长期资本流向具有发展潜力的企业。 展开更多
关键词 耐心资本 全要素生产率 可持续经营 供应链关系 新质生产力
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农林业上市公司绿色创新与新质生产力关系的实证研究
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作者 钟凤英 马悦 盛春光 《林业经济问题》 北大核心 2026年第1期26-35,共10页
以2014—2024年沪深A股农林业上市公司作为研究对象,采用双向固定效应模型和U-test检验方法,实证分析农林业上市公司绿色创新与新质生产力之间的关系。结果表明:农林业上市公司绿色创新与企业新质生产力水平呈显著“U型”关系,且无论是... 以2014—2024年沪深A股农林业上市公司作为研究对象,采用双向固定效应模型和U-test检验方法,实证分析农林业上市公司绿色创新与新质生产力之间的关系。结果表明:农林业上市公司绿色创新与企业新质生产力水平呈显著“U型”关系,且无论是实质性绿色创新还是策略性绿色创新均对企业新质生产力水平产生“U型”影响;内部控制在这一“U型”关系中发挥着“向左平移”和“平缓化”双重调节作用。建议构建阶梯式政策扶持体系,推动实施差异化政策激励与“双轮驱动”策略,引导创新类型优化。 展开更多
关键词 农林业上市公司 绿色创新 新质生产力 “U型”关系
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党建引领新就业群体参与基层治理的实践探索与运作机理——基于北京市Y街道的实践考察
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作者 郑琦 徐琳 《探索》 北大核心 2026年第2期78-89,共12页
党建引领新就业群体参与基层治理既是构建共建共治共享基层治理格局、推进基层治理现代化的必然要求,也是扩大党的组织覆盖、强化党的政治引领的关键举措,对于增强党在新兴领域的号召力、凝聚力、影响力,巩固党的长期执政地位具有重要... 党建引领新就业群体参与基层治理既是构建共建共治共享基层治理格局、推进基层治理现代化的必然要求,也是扩大党的组织覆盖、强化党的政治引领的关键举措,对于增强党在新兴领域的号召力、凝聚力、影响力,巩固党的长期执政地位具有重要的战略意义和实践价值。既有研究多聚焦中观层面,探讨党建引领新就业群体参与基层治理的生成逻辑、运作机制与实施路径。立足个体层面,聚焦新就业群体在公共利益与个人利益张力下深度嵌入基层治理的内在机理;采用个案分析法,以北京市Y街道为实证对象,基于社会关系结构的工具性功能、规范性功能与整合性功能三维分析框架,系统阐释了党建引领对新就业群体思想观念与行动策略的形塑过程。研究发现,在个体层面上,党建引领通过结构嵌入—行思赋能—双向建构的递进路径发挥作用:在结构嵌入阶段,工具性功能以资源中介与竞争优势转化吸引新就业群体加入以党组织为核心的社会关系结构;在行思赋能阶段,规范性功能发挥对个体思想与行为的塑造作用,培育新就业群体的主体意识,并引导其参与基层治理的实践;在双向建构阶段,整合性功能将新就业群体的个人成长、职业优势与基层治理需求有机结合,持续激发新就业群体参与基层治理的内生动力,最终形成有效且可持续的治理共同体。 展开更多
关键词 党建引领 新就业群体 基层治理 社会关系结构
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基于患者角度的医媒健康传播对医患信任影响研究
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作者 庞震苗 何丽芳 +1 位作者 龚文进 易颖 《中国社会医学杂志》 2026年第1期40-43,共4页
目的 研究患者视角下医媒健康传播对医患信任度的影响。方法 采用自编“医媒健康传播与医患信任度关系的调查问卷”,于2023年10-12月,采用方便抽样抽取广东地区居民,通过问卷星发放并回收有效问卷1 116份,采用描述性统计、方差分析、Spe... 目的 研究患者视角下医媒健康传播对医患信任度的影响。方法 采用自编“医媒健康传播与医患信任度关系的调查问卷”,于2023年10-12月,采用方便抽样抽取广东地区居民,通过问卷星发放并回收有效问卷1 116份,采用描述性统计、方差分析、Spearman等级相关、非参数秩和检验分析使用新媒体对患者的影响,运用多元线性回归分析从患者角度看医媒健康传播对医患信任度的影响。结果 患者的户籍、收入、受教育程度、关注新媒体医生数量与医患信任度呈正相关,医媒利用程度越高,患者的就医满意度也越高。患者户籍(β=0.515)、患者日常情况下在各类新媒体上主动浏览健康医疗类信息的频率(β=0.443)、患者在有医疗需求时会在就医前通过新媒体了解相关医疗信息的频率(β=0.215)、看诊前后就自己的病情在新媒体平台上与其他患友交流的频率(β=0.446)对医患信任度有影响。结论 基于患者角度看,发展医媒健康传播有利于减少医患信息不对称的矛盾,有利于解决医患沟通不畅的问题,促使医患共同参与关系的建立。医媒健康传播对促进医患信任度提高有着积极意义。 展开更多
关键词 医患信任度 医患关系 医媒健康传播 新媒体
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论新就业形态职业伤害保障的社会保险化路径
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作者 闫冬 《河南财经政法大学学报》 2026年第1期1-14,共14页
新就业形态职业伤害保障制度肇始于平台经济的快速发展,旨在弥补不完全劳动关系下劳动者的职业风险保障缺口。各地试点以社会风险共担为原则,逐步形成了政府统筹、平台缴费、社会化经办相结合的运行格局。该保障机制已充分体现出社会保... 新就业形态职业伤害保障制度肇始于平台经济的快速发展,旨在弥补不完全劳动关系下劳动者的职业风险保障缺口。各地试点以社会风险共担为原则,逐步形成了政府统筹、平台缴费、社会化经办相结合的运行格局。该保障机制已充分体现出社会保险的社会性、强制性和保险性特征,因而应当纳入社会保险法的制度框架之中。未来,可通过“合并管理、分账运行”的方式,将新就业形态职业伤害保障融入工伤保险体系,并与医疗保险、养老保险、失业保险、商业保险及职业病防治等机制实现有机衔接,构建统一、协调、高度融合的职业伤害保障体系。 展开更多
关键词 新就业形态职业伤害 不完全劳动关系 工伤保险 制度整合
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依托咪酯衍生物的合成与生物评价
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作者 王星 艾炜 +3 位作者 海澳 赵艺 柯博文 齐庆蓉 《华西药学杂志》 北大核心 2026年第2期131-136,共6页
目的制备苏醒时间更短、对11-β羟化酶抑制作用较小的新型依托咪酯衍生物。方法针对依托咪酯在临床中存在的问题,修饰其结构,设计并合成了5个化合物。通过核磁共振碳谱、氢谱及高分辨质谱确证化合物的结构;通过测定系列依托咪酯衍生物... 目的制备苏醒时间更短、对11-β羟化酶抑制作用较小的新型依托咪酯衍生物。方法针对依托咪酯在临床中存在的问题,修饰其结构,设计并合成了5个化合物。通过核磁共振碳谱、氢谱及高分辨质谱确证化合物的结构;通过测定系列依托咪酯衍生物的麻醉状况,筛选出苏醒时间更短的化合物;评价其对人11-β羟化酶的抑制作用,选定最优化合物。结果通过苯环改造获得5个依托咪酯衍生物并确证其结构;对化合物进行系列生物评价,选定最优化合物YT2。最优化合物YT2的大鼠麻醉维持平均时间为192.2 s,低于依托咪酯的大鼠麻醉维持平均时间;且在药物浓度为5、0.5 nmol·L^(-1)时,对CYP11B1的抑制率分别为50.53%、25.33%,低于依托咪酯对CYP11B1的抑制率。结论最优化合物YT2苏醒时间更短,对11-β羟化酶的抑制作用较小,有作为新型麻醉药物的潜力。 展开更多
关键词 依托咪酯衍生物 麻醉 新型麻醉药物 苏醒时间 构效关系 合成 药效学 11-β羟化酶
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基于可解释图注意力网络的新型电力系统无功优化
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作者 刘晓菲 尹硕 +1 位作者 张艺涵 邓方钊 《电网技术》 北大核心 2026年第3期1008-1016,I0026-I0028,共12页
新能源出力的随机性和波动性加剧电网电压波动,严重影响电网的安全和经济运行。针对该问题,提出了一种基于可解释图注意力网络(graph attention network,GAT)的实时无功优化方法。首先,结合电网的物理信息,设计训练样本的标签。然后,利... 新能源出力的随机性和波动性加剧电网电压波动,严重影响电网的安全和经济运行。针对该问题,提出了一种基于可解释图注意力网络(graph attention network,GAT)的实时无功优化方法。首先,结合电网的物理信息,设计训练样本的标签。然后,利用GAT模型映射无功调节设备状态与新能源和负荷数据之间复杂的非线性关系,从而获得最优解。最后,基于沙普利加和解释(Shapley additive explanations,SHAP)的可解释机制,对GAT模型决策结果进行分析。以某实际电网为例,验证了所提方法具有更好的无功优化性能和更快的求解速度,且可解释方法能够帮助运行人员更好地理解和信任模型决策,提升新型电力系统运行的安全性和经济性水平。 展开更多
关键词 新型电力系统 图注意力网络 无功优化 非线性关系 沙普利加和解释
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