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高校高水平运动队发展的本质要求与治理逻辑

北京体育大学学报 2024年第8期47卷 47-58,104页

作者：李宁北京大学体育教研部北京100871

进入新发展阶段,体教融合背景下,国家和社会对高校高水平运动队有必然需求,教育的本质是培育人的潜力,需正确认识竞技体育的育人价值和重要作用,发挥高校高水平运动队上下联动的枢纽作用,助推教育强国、科技强国、人才强国、文化强国、... 详细信息

进入新发展阶段,体教融合背景下,国家和社会对高校高水平运动队有必然需求,教育的本质是培育人的潜力,需正确认识竞技体育的育人价值和重要作用,发挥高校高水平运动队上下联动的枢纽作用,助推教育强国、科技强国、人才强国、文化强国、体育强国、健康中国建设。竞技体育举国体制取得优异成绩,但也抑制了教育体系发展竞技体育的动力,体教融合政策将国民教育体系作为培养高水平运动员的重要通道,消除竞技体育、学校体育两个系统之间的壁垒和障碍。高校高水平运动队具有教育、竞技、学训矛盾、公平竞争、业余性、普及化、规范化等本质特性,遵从政府主导、高校主责、大体协主管的协同治理逻辑,建立共建共治共享的制度体系,通过改革创新,消解思维定势,破解利益障碍,拆解路径锁定,推动国家教育和体育的强力发展。

关键词：高校高水平运动队体教融合治理逻辑本质要求高校竞技体育

中坚农民促进农业农村高质量发展:理论逻辑与实现路径

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现代经济探讨 2024年第1期 124-132页

作者：李宁南开大学周恩来政府管理学院天津300350 常熟理工学院马克思主义学院常熟215500

农业农村高质量发展是实现乡村全面振兴的重要基础。实践中,“自上而下资源输入”与“自外而内资本下乡”的外源驱动模式难以促进农业农村高质量发展,亟需依托中坚农民实现向内生发展模式的转换。中坚农民促进农业农村高质量发展具有组... 详细信息

农业农村高质量发展是实现乡村全面振兴的重要基础。实践中,“自上而下资源输入”与“自外而内资本下乡”的外源驱动模式难以促进农业农村高质量发展,亟需依托中坚农民实现向内生发展模式的转换。中坚农民促进农业农村高质量发展具有组织发展逻辑、资源对接逻辑与利益联结逻辑三重理论逻辑。具体来说,中坚农民以其个体性发展引领激活农业农村整体性发展、以其关键群体的引领性发展重塑农村公共性以及以其高质量发展能力强化小农利益联结的系统性能力。为此,中坚农民促进农业农村高质量发展需要以“自内而外、联结上下”的整合型道路为引领,构建中坚农民发展联合体,发挥中坚农民的发展与稳定功能以及塑造中坚农民利益整合联结机制。

关键词：中坚农民农业农村高质量发展外源驱动内生发展

共同富裕视域下城乡经济共同体构建的逻辑、维度与路径

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经济体制改革 2024年第4期 44-52页

作者：李宁常熟理工学院马克思主义学院(南开大学周恩来政府管理学院) 江苏常熟215500

共同富裕是社会主义的本质要求,其中蕴藏着构建城乡经济共同体,推动城乡经济共同繁荣的价值底蕴。城乡经济共同体与共同富裕本质上存在统一性:共同富裕彰显着城乡经济共同体的价值追求,城乡经济共同体是实现共同富裕的内在要求。理解城... 详细信息

共同富裕是社会主义的本质要求,其中蕴藏着构建城乡经济共同体,推动城乡经济共同繁荣的价值底蕴。城乡经济共同体与共同富裕本质上存在统一性:共同富裕彰显着城乡经济共同体的价值追求,城乡经济共同体是实现共同富裕的内在要求。理解城乡经济共同体构建的逻辑向度需基于城乡经济发展演绎脉络的历史逻辑、城乡发展失衡积重难题的现实逻辑以及新时代乡村振兴战略旨归的实践逻辑予以把握。在实践进路上,城乡市场一体化、资源配置均衡化、产业发展融合化与经济形态共生化是理解城乡经济共同体构建的四重维度,支撑着共同富裕目标的实现。为此,构建城乡经济共同体亟需统一城乡要素市场,提升城乡生产要素配置水平;促进资源均衡配置,强化城乡资源的互通与交融;推动城乡产业融合,促进城乡产业链条双向延伸;优化城乡经济结构,营造城乡经济相融相生格局。

关键词：城乡二元经济城乡经济融合共同富裕城乡经济共同体

Unveiling quality of clinical trial in China:from concern to confirmation

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Cancer Communications 2024年第5期44卷 576-579页

作者： Huiyao Huang Yiru Hou Hong Fang ling Xu Yue Yu Huifang Zhang Jing Zhang Yu Tang Gongtao Lan Wenbao Zhang ning li Clinical Trials Center National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingP.R.China School of Basic Medicine and Clinical Pharmacy China Pharmaceutical UniversityNanjingJiangsuP.R.China Department of Quality Medicine Boehringer Ingelheim(China)Investment Co LtdShanghaiP.R.China Department of Clinical Development Quality Pfizer Research and Development(China)BeijingP.R.China Department of Drug Registration National Medical Products AdministrationBeijingP.R.China Bureau of Medical Administration National Health CommissionBeijingP.R.China

The cornerstone of scientifically valid and ethically sound clinical trials is in compliance with established global quality *** China has made significant progress over the past 20 years in terms of the clinical trial quantity[1],quality and participation in multiregional trials[2],there still remain concerns regarding the trial quality,which could be associated with the self-inspection initiative in 2015[3].

关键词： clinical corners confirmation

Hypoglycemic activities of flowers of Xanthoceras sorbifolia and identification of anti-oxidant components by off-line UPLC-QTOF-MS/MS-free radical scavenging detection

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Chinese Herbal Medicines 2024年第1期16卷 151-161页

作者： Xiajing Xu Yongli Guo Menglin Chen ning li Yi Sun Shumeng Ren Jiao Xiao Dongmei Wang Xiaoqiu liu Yingni Pan School of Chinese Materia Medica Key Laboratory for TCM Material Basis Study and Innovative Drug Development of Shenyang CityShenyang Pharmaceutical UniversityShenyang 110016China Institute of Chinese Materia Medica China Academy of Chinese Medical SciencesBeijing 100700China School of Pharmacy Shenyang Pharmaceutical UniversityShenyang 110016China

Objective: To identify phytochemical constituents present in the extract of flowers of Xanthoceras sorbifolia and evaluate their anti-oxidant and anti-hyperglycemic ***: The AlCl3colorimetric method and Prussian Blue assay were used to determine the contents of total flavonoids and total phenolic acids in extraction layers, and the bioactive layers was screened through anti-oxidative activity in vitro. The Waters ACQUITY UPLC system and a Waters ACQUITY UPLC BEH C18column(2.0 mm × 150 mm, 5 μm) were used to identify the ingredients. And anti-oxidative ingredients were screened by off-line UPLC-QTOF-MS/MS-free radical scavenging. The ameliorative role of it was further evaluated in a high-fat, streptozotocin-induced type 2 diabetic rat model and the study was carried out on NADPH oxidase(PDB ID: 2CDU) by molecular ***: Combined with the results of activity screening in vitro, the anti-oxidative part was identified as the ethyl acetate layer. A total of 24 chemical constituents were identified by liquid chromatographymass spectrometry in the ethyl acetate layer and 13 main anti-oxidative active constituents were preliminarily screened out through off-line UPLC-QTOF-MS/MS-free radical scavenging. In vivo experiments showed that flowers of X. sorbifolia could significantly reduce the blood glucose level of diabetic mice and alleviate liver cell damage. Based on the results of docking analysis related to the identified phytocompounds and oxidase which involved in type 2 diabetes, quercetin 3-O-rutinoside, kaempferol-3-O-rhamnoside, isorhamnetin-3-O-glucoside, and isoquercitrin showed a better inhibitory ***: The ethyl acetate layer was rich in flavonoids and phenolic acids and had significant anti-oxidant activity, which could prevent hyperglycemia. This observed activity profile suggested X. sorbifolia flowers as a promising new source of tea to develop alternative natural anti-diabetic products with a high safety margin.

关键词： anti-hyperglycemic activity anti-oxidant flowers of Xanthoceras sorbifolia Bunge NADPH oxidase off-line UPLC-QTOF-MS/MS-free radical scavenging

过一硫酸盐体系中铜分布模式控制活性物种的产生和污染物降解路径

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Engineering 2024年第4期35卷 168-179页

作者： ning li Haoxi Dai Mengting He Jun Wang Zhanjun Cheng Beibei Yan Wenchao Peng Guanyi Chen School of Environmental Science and Engineering&Tianjin Engineering Research Center of Bio Gas/Oil Technology Tianjin UniversityTianjin 300072China Department of Chemical Engineering Tianjin UniversityTianjin 300350China School of Mechanical Engineering Tianjin University of CommerceTianjin 300134China School of Science Tibet UniversityLhasa 850012China

The distribution pattern of metals as active centers on a substrate can influence the peroxymonosulfate(PMS)activation and contaminants ***,atomic layer deposition is applied to prepare Cu single atom(SA-Cu),cluster(C-Cu),and film(F-Cu)decorated MXene catalysts by regulating the number of deposition *** comparison with SA-Cu-MXene(adsorption energy(E_(ads))=-4.236 eV)and F-Cu-MXene(E_(ads)=-3.548 eV),PMS is shown to adsorb preferably on the C-Cu-MXene surface for activation(E_(ads)=-5.435 eV),realizing higher utilization *** SO_(4)^(·-)are generated in C-Cu-MXene/PMS system with steady-state concentration and 1–3 orders of magnitude higher than those in the SA-Cu-MXene and F-Cu-MXene activated PMS ***,the contribution of SO_(4)^(·-)oxidation to sulfamethoxazole(SMX)degradation followed the order,C-Cu-MXene(97.3%)>SA-Cu-MXene(90.4%)>FCu-MXene(71.9%),realizing the larger SMX degradation rate in the C-Cu-MXene/PMS system with the degradation rate constants(k)at 0.0485 min^(-1).Additionally,SMX degradation routes in C-Cu-MXene/PMS system are found with fewer toxic *** this work,we highlighted the importance of guided design of heterogeneous catalysts in the PMS *** metal distribution patterns need to be selected according to the actual water treatment *** sites could be then fully utilized to produce specific active species to improve the utilization efficiency of the oxidants.

关键词： Cu cluster Distribution pattern Peroxymonosulfate Active species Degradation routes

可生物降解塑料取代传统塑料--对碳排放的影响

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Engineering 2024年第1期32卷 152-162页

作者： Guanyi Chen Jianyuan li Yunan Sun Zhi Wang Gary ALeeke Christian Moretti Zhanjun Cheng Yuan Wang ning li Lan Mu Jinyu li Junyu Tao Beibei Yan li'an Hou Interdisciplinary Innovation Lab for Environment and Energy School of Mechanical Engineering&School of Biotechnology and Food ScienceTianjin University of CommerceTianjin 300134China School of Environmental Science and Engineering Tianjin UniversityTianjin 300350China School of Ecology and Environment Tibet UniversityLhasa 850012China Tianjin Key Laboratory of Biomass Wastes UtilizationTianjin Engineering Research Center for Organic Wastes Safe Disposal and Energy UtilizationTianjin 300072China School of Chemical Engineering University of BirminghamBirmingham B152TTUK Department of Environmental Systems Science ETH ZürichZürich CH-8092Switzerland

In recent years,a great deal of attention has been focused on the environmental impact of plastics,includ-ing the carbon emissions related to plastics,which has promoted the application of biodegradable *** worldwide have shown high interest in replacing traditional plastics with biodegradable ***,no systematic comparison has been conducted on the carbon emissions of biodegrad-able versus traditional plastic *** study evaluates the carbon emissions of traditional and biodegradable plastic products(BPPs)over four stages and briefly discusses environmental and economic *** scenarios-namely,the traditional method,chemical recycling,industrial composting,and anaerobic digestion-are considered for the disposal of waste BPPs(WBPPs).The analysis takes China as a case *** results show that the carbon emissions of 1000traditional plastic products(plastic bags,lunch boxes,cups,etc.)were52.09-150.36 carbon emissions equivalent of per kilogram(kg CO_(2)eq),with the stage of plastic production contributing 50.71%-50.77%.In comparison,1000 similar BPPs topped out at 21.06-56.86 kg CO_(2)eq,approximately 13.53%-62.19%lower than traditional plastic *** difference was mainly at the stages of plastic production and waste disposal,and the BPPs showed significant carbon reduction potential at the raw material acquisition *** disposal plays an important role in environmental impact,and composting and anaerobic digestion are considered to be preferable disposal methods for ***,the high cost of biodegradable plastics is a challenge for their widespread *** study has important reference significance for the sustainable development of the biodegradableplastics industry.

关键词： Carbon emissions Biodegradable plastics Different disposal scenarios Daily life consumption Environmental and economic discussion

杂糅奇观与自我神话——论近年来我国传统神话传说的影视改编

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中国文艺评论 2024年第8期 26-33,I0001页

作者：李宁北京师范大学艺术与传媒学院

近年来,《哪吒之魔童降世》《封神第一部:朝歌风云》等古代神话传说的影视改编形成文化热潮。通过转置、扩展与修正等策略,改编者们打造了多元文本世界,并体现出构建故事世界的冲动。这些作品以挪用、拼贴等方式打造后现代/全球化情境... 详细信息

近年来,《哪吒之魔童降世》《封神第一部:朝歌风云》等古代神话传说的影视改编形成文化热潮。通过转置、扩展与修正等策略,改编者们打造了多元文本世界,并体现出构建故事世界的冲动。这些作品以挪用、拼贴等方式打造后现代/全球化情境下的杂糅奇观,并明显体现出二次元文化的数据库创作的特色。但是,过度杂糅也在一定程度上导致文本内部的分裂与文本之间的冲突。创作者有意构筑起现代个体的自我神话,将成长叙事与反叛精神嵌入现代家庭结构中,以反抗式认同实现个体叙事与宏大叙事的耦合。这波改编热潮体现出更为强烈的现实介入性和显著的神话现实主义趋向。

关键词：神话传说影视改编传统文化文化混杂自我认同

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常规育种技术在园林植物资源开发中的应用

分子植物育种 2024年第10期22卷 3405-3410页

作者：李宁河南职业技术学院郑州450046

园林植物资源开发是生态环境建设和人类生活质量提升的重要组成部分。常规育种技术作为植物遗传改良的主要手段之一,在园林植物资源开发中发挥着关键作用。本研究从园林植物资源的重要性出发,概述了园林植物资源的多样性与应用价值,以... 详细信息

园林植物资源开发是生态环境建设和人类生活质量提升的重要组成部分。常规育种技术作为植物遗传改良的主要手段之一,在园林植物资源开发中发挥着关键作用。本研究从园林植物资源的重要性出发,概述了园林植物资源的多样性与应用价值,以及资源开发面临的挑战,详细探讨了常规育种技术的基本原理、方法和其在植物资源开发中的应用价值,重点讨论了常规育种技术在新品种培育、技术改良、品质提升以及抗性与适应性改进等方面的应用。本研究通过案例分析和实证研究,阐释了常规育种技术在不同园林植物资源开发中的成功案例和实际应用情况,展望了常规育种技术在园林植物资源开发中的前景,强调了技术创新的重要性,并提出了面临挑战的解决途径,旨在为园林植物资源的可持续利用和未来发展提供有益参考。

关键词：园林植物资源开发常规育种技术案例分析生态环境开发与利用