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Science China Chemistry 2024年第11期67卷 3739-3748页

作者： Wenjie Wang Hui Ding Minghao Wang Han Cheng Xiang Shi lin Wang chun Wang Wangsheng chu Yi Xie Changzheng Wu National Synchrotron Radiation Laboratory University of Science and Technology of China School of Chemistry and Materials Science CAS Center for Excellence in Nanoscience University of Science & Technology of China Zhejiang Institute of Photoelectronics Institute of Energy Hefei Comprehensive National Science Center

The establishment of reactive oxygen species(ROS) elimination sites in iron-nitrogen-carbon(Fe-N-C) electrocatalysts to achieve durable proton-exchange membrane fuel cells(PEMFCs) performance has attracted broad interest. However, realizing ROS removal efficiency and oxygen reduction reaction(ORR) activity within a single system represents a significant challenge to date. Herein, we demonstrate uniform ROS elimination sites and ORR centers through an electrochemical reconstruction method on the parallel sites of Fe@Ce NC electrocatalyst for durable PEMFC. During the reconstruction process, the Fe sites can retain their original configuration. Meanwhile, the pristine Ce clusters will evolve into more efficient, highly dispersed ***, the reconstructed Fe and Ce sites exhibit favorable energy barriers for the ORR and ROS elimination pathways,respectively, thereby maintaining ORR activity and achieving high ROS tolerance. Consequently, the PEMFC assembled with our catalyst shows only a 2% decay in power density after the accelerated durability test. We anticipate that this parallel structure design will provide new insight into the development of more durable electrocatalysts for PEMFCs.

关键词： parallel reaction pathways sites reconstruction oxygen reduction reaction radical elimination fuel cells

Machine learning-based comparison of factors influencing estimated glomerular filtration rate in Chinese women with or without nonalcoholic fatty liver

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World Journal of Clinical Cases 2024年第15期12卷 2506-2521页

作者： I-Chien Chen lin-Ju Chou Shih-Chen Huang Ta-Wei chu Shang-Sen Lee Department of Nursing Kaohsiung Armed Forces General HospitalKaohsiung 802Taiwan Department of Obstetrics and Gynecology Tri-Service General HospitalNational Defense Medical CenterTaipei 114Taiwan Chief Executive Officer's Office MJ Health Research FoundationTaipei 114Taiwan Department of Urology Taichung Tzu Chi HospitalBuddhist Tzu Chi Medical FoundationTaichung 427Taiwan School of Medicine Tzu Chi UniversityHualian 970Taiwan Department of Urology Tri-Service General HospitalNational Defense Medical CenterTaipei 114Taiwan

BACKGROUND The prevalence of non-alcoholic fatty liver(NAFLD)has increased *** with NAFLD are known to have higher chance for renal function *** past studies used traditional multiple linear regression(MLR)to identify risk factors for decreased estimated glomerular filtration rate(eGFR).However,medical research is increasingly relying on emerging machine learning(Mach-L)*** present study enrolled healthy women to identify factors affecting eGFR in subjects with and without NAFLD(NAFLD+,NAFLD-)and to rank their *** To uses three different Mach-L methods to identify key impact factors for eGFR in healthy women with and without *** A total of 65535 healthy female study participants were enrolled from the Taiwan MJ cohort,accounting for 32 independent variables including demographic,biochemistry and lifestyle parameters(independent variables),while eGFR was used as the dependent *** from MLR,three Mach-L methods were applied,including stochastic gradient boosting,eXtreme gradient boosting and elastic *** of estimation were used to define method accuracy,where smaller degree of error indicated better model *** Income,albumin,eGFR,High density lipoprotein-Cholesterol,phosphorus,forced expiratory volume in one second(FEV1),and sleep time were all lower in the NAFLD+group,while other factors were all significantly higher except for smoking ***-L had lower estimation errors,thus outperforming *** Model 1,age,uric acid(UA),FEV1,plasma calcium level(Ca),plasma albumin level(Alb)and T-bilirubin were the most important factors in the NAFLD+group,as opposed to age,UA,FEV1,Alb,lactic dehydrogenase(LDH)and Ca for the *** the importance percentage was much higher than the 2nd important factor,we built Model 2 by removing *** The eGFR were lower in the NAFLD+group compared to the NAFLD-group,with age being was the most important impact factor in both groups of he

关键词： Non-alcoholic fatty liver Estimated glomerular filtration rate Machine learning Chinese women

Molecular analyses display the increasing diversity of Podostemaceae in China

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Plant Diversity 2024年第3期46卷 421-424页

作者： Zhi-Zhong Li Zhun Xu Shuang Wu Lang-Xing Yuan chun-Yu Zou Yan Liu Jian-Yong lin Shi-chu Liang Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection(Guangxi Normal University) Ministry of EducationGuilin 541006China Wuhan Botanical Garden Chinese Academy of SciencesWuhan 430074China Sino-Africa Joint Research Center Chinese Academy of SciencesWuhan 430074China Guangxi Association for Science and Technology Nanning 530023China Tropical Crops Genetic Resources Institute Chinese Academy of Tropical Agricultural SciencesHaikou 571101China Guangxi Institute of Botany Chinese Academy of SciencesGuilin 541006China Guangxi Forestry Research Institute Nanning 530028China

Podostemaceae(riverweed family),one of the largest aquatic plant families in the world,comprises about 350 species in 51 genera placed in three subfamilies,Podostemoideae,Weddellinoideae,and Tristichoideae(Koi et al.,2022).Most Podostemaceae genera(~38)are monotypic or oligotypic,with a high level of endemism(Koi et al.,2018,2022).Members of Podostemaceae adhere to rocks in fast-flowing rivers,streams,or waterfalls in the subtropics and tropics(Koi et al.,2018).As an adaptation to fastrunning currents,the morphological structure of river-weeds tends to be extremely reduced,including a loss or reduction of primary shoots or roots(Koi and Kato,2007).The vegetative mass of these plants resembles lichens or bryophytes,and are thus known commonly as“dream bryophytes”(Philbrick and Retana,1998).Podostemaceae plants flower when the water level drops during the dry *** recent years,anthropogenic factors and climate change have severely affected river weed habitats,decreasing populations of these plants.

关键词： roots season habitat

Ordered Bicontinuous Network Structures Regulated by Orientational Interactions in a Rod-Coil Block Copolymer

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Chinese Journal of Polymer Science 2024年第5期42卷 636-642,I0008页

作者： Xiao-lin Lyu Shi-chu Yang An-Qi Xiao Ping-Ping Hou Wei Zhang Hong-Bing Pan Zhi-Hao Shen Xing-He Fan Qi-Feng Zhou Beijing National Laboratory for Molecular Sciences Key Laboratory of Polymer Chemistry and Physics of Ministry of EducationCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing100871China Key Laboratory of Advanced Materials Technologies International(HongKong Macao and Taiwan)Joint Laboratory on Advanced Materials TechnologiesCollege of Materials Science and EngineeringFuzhou UniversityFuzhou350108China

The rich phase behavior of block copolymers(BCPs)has drawn great attention in recent ***,the double diamond(DD)phase is rarely obtained because of the competition between the minimization of interfacial energy and packing ***,a rod-coil BCP containing mesogen-jacketed liquid crystalline polymer is designed to acquire ordered bicontinuous network *** reduction of internal energy originating from the orientational interaction among the rod blocks can compensate for the free energy penalty of packing frustration to stabilize the DD *** resulting BCP can also experience lamellae-to-DD and double gyroid-to-lamellae transitions by changing the annealing *** results make the rod-coil BCP an excellent candidate for the self-assembly of ordered network structures,demonstrating great potential in nanopatterning and metamaterials.

关键词： Block copolymer Rod-coil Ordered bicontinuous phase Double diamond Double gyroid

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国内外喷灌技术研究现状与发展趋势

节水灌溉 2014年第6期 71-74页

作者：褚琳琳中科院地理科学与资源研究所北京100101 江苏大学流体机械工程技术研究中心镇江212013

综述了近年来有关喷灌技术研究的进展,包括盐碱地喷灌淋洗效果、喷灌对非盐碱地土壤入渗的影响,喷灌对非盐碱地土壤水分分布及其运动的影响,喷灌对作物生长的影响;在此基础上,提出了今后一段时间,我国喷灌技术研究的重点:深入探讨盐碱... 详细信息

综述了近年来有关喷灌技术研究的进展,包括盐碱地喷灌淋洗效果、喷灌对非盐碱地土壤入渗的影响,喷灌对非盐碱地土壤水分分布及其运动的影响,喷灌对作物生长的影响;在此基础上,提出了今后一段时间,我国喷灌技术研究的重点:深入探讨盐碱地喷灌技术参数确定方法,喷灌不同技术参数下的滨海盐碱地土壤水分、盐分分布特征及运移过程,作物根系及地上部分生理生化指标等响应过程,喷灌条件下盐碱地土壤水盐调控方法。

关键词：喷灌水分分布盐分分布作物生长盐碱地

Construction of apricot variety search engine based on deep learning

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Horticultural Plant Journal 2024年第2期10卷 387-397页

作者： Chen Chen lin Wang Huimin Liu Jing Liu Wanyu Xu Mengzhen Huang Ningning Gou chu Wang Haikun Bai Gengjie Jia Tana Wuyun State Key Laboratory of Tree Genetics and Breeding Research Institute of Non-timber ForestryChinese Academy of ForestryZhengzhouHenan 450003China Shenzhen Branch Guangdong Laboratory of Lingnan Modern AgricultureGenome Analysis Laboratory of the Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhenGuangdong 518120China Kernel-Apricot Engineering and Technology Research Center of State Forestry and Grassland Administration ZhengzhouHenan 450003China Key Laboratory of Non-timber Forest Germplasm Enhancement and Utilization of National Forestry and Grassland Administration ZhengzhouHenan 450003China

Apricot has a long history of cultivation and has many varieties and types. The traditional variety identification methods are timeconsuming and labor-consuming, posing grand challenges to apricot resource management. Tool development in this regard will help researchers quickly identify variety information. This study photographed apricot fruits outdoors and indoors and constructed a dataset that can precisely classify the fruits using a U-net model (F-score:99%), which helps to obtain the fruit's size, shape, and color features. Meanwhile, a variety search engine was constructed, which can search and identify variety from the database according to the above features. Besides, a mobile and web application (ApricotView) was developed, and the construction mode can be also applied to other varieties of fruit ***, we have collected four difficult-to-identify seed datasets and used the VGG16 model for training, with an accuracy of 97%, which provided an important basis for ApricotView. To address the difficulties in data collection bottlenecking apricot phenomics research, we developed the first apricot database platform of its kind (ApricotDIAP, http://***/) to accumulate, manage, and publicize scientific data of apricot.

关键词： Apricot Variety Convolutional neural network Deep learning Database platform Mobile application Image retrieval

基于因子分析与聚类分析的江苏省节水农业分区研究

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灌溉排水学报 2014年第3期33卷 137-140页

作者：褚琳琳中国科学院地理科学与资源研究所北京100101 江苏大学流体机械工程技术研究中心江苏镇江212013

结合江苏省自然环境、经济发展和节水农业发展的现状和特点,选取气候特征、地形地貌、土壤类型、灌排方式、农业生产和农村经济因素、节水农业综合效益6个1级指标及14个2级指标,建立了节水农业分区的评价指标体系。运用因子分析方法遴... 详细信息

结合江苏省自然环境、经济发展和节水农业发展的现状和特点,选取气候特征、地形地貌、土壤类型、灌排方式、农业生产和农村经济因素、节水农业综合效益6个1级指标及14个2级指标,建立了节水农业分区的评价指标体系。运用因子分析方法遴选节水农业分区关键指标,然后采用聚类方法对江苏省13市65县进行节水农业分区,结合分区结果及江苏省各县域实际情况,将该区域分为6类:徐淮平原水资源紧缺区、里下河平原季节性缺水区、沿海平原盐碱化区、沿江平原高沙土区、宁镇扬及宜溧丘陵工程性缺水区、太湖平原水质性缺水区。

关键词：节水农业因子分析聚类分析江苏省

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江苏省节水农业分区及发展模式

节水灌溉 2014年第11期 91-95页

作者：褚琳琳江苏大学流体机械工程技术研究中心江苏镇江212013

节水农业分区是促进区域水资源高效利用,缓解农业用水短缺的有效方法之一。针对江苏省水资源供需矛盾突出、农业用水量大的现状,进行该地区节水农业分区,并提出各区域节水农业发展模式。选取气候特征、地形地貌、土壤类型、灌排方式、... 详细信息

节水农业分区是促进区域水资源高效利用,缓解农业用水短缺的有效方法之一。针对江苏省水资源供需矛盾突出、农业用水量大的现状,进行该地区节水农业分区,并提出各区域节水农业发展模式。选取气候特征、地形地貌、土壤类型、灌排方式、农业生产和农村经济因素方面的资料,并构建节水农业分区指标体系,采用因子分析方法遴选节水农业分区关键指标,采用聚类方法,对江苏省13市65县进行节水农业分区,结合分区结果及江苏省各县域实际情况,将该区域分为6类。根据各区域的特点及节水农业发展存在问题,提出了各区域的节水农业发展模式,为江苏省节水农业可持续发展提供科学决策依据。

关键词：节水农业因子分析聚类分析发展模式江苏省

节水灌溉综合效益价值评估与补偿机制研究进展

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节水灌溉 2015年第1期 96-99页

作者：褚琳琳江苏大学流体机械工程技术研究中心江苏镇江212013

节水灌溉作为缓解水资源危机的重要手段,其长效管理和持续运行至关重要,合理的补偿机制是实现这一目标的有效途径。针对目前节水灌溉过程中缺乏有效的激励机制,对节水灌溉效益价值评估、节水灌溉补偿机制研究现状及存在问题进行了综述... 详细信息

节水灌溉作为缓解水资源危机的重要手段,其长效管理和持续运行至关重要,合理的补偿机制是实现这一目标的有效途径。针对目前节水灌溉过程中缺乏有效的激励机制,对节水灌溉效益价值评估、节水灌溉补偿机制研究现状及存在问题进行了综述。在此基础上,提出以采用"自下而上"的研究思路、多学科交叉的研究方法,以节水灌溉综合效益和节水主体为主要研究对象,以节水灌溉补偿为主攻方向,从节水灌溉综合效益产生机理与补偿机制理论框架,节水灌溉综合效益价值评估与补偿标准确定,基于选择模型的节水灌溉补偿客体受偿意愿3个方面进行研究,提出节水灌溉补偿创新机制。

关键词：节水灌溉综合效益价值补偿机制

Delayed neurological dysfunction following posterior laminectomy with lateral mass screw fixation:A case report and review of literature

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World Journal of Clinical Cases 2024年第7期12卷 1356-1364页

作者： Rui-Zhong Yan Chao Chen chu-Ran lin Yan-Hui Wei Zhi-Jian Guo Ya-Kun Li Quan Zhang He-Yi Shen Hao-lin Sun Department of Orthopedics Taiyuan Central HospitalTaiyuan 030009Shanxi ProvinceChina Department of Orthopedics Graduate School Shanxi University of Traditional Chinese MedicineTaiyuan 030024Shanxi ProvinceChina Department of Orthopedics Peking University First HospitalBeijing 100034China

BACKGROUND While most complications of cervical surgery are reversible,some,such as symptomatic postoperative spinal epidural hematoma(SEH),which generally occurs within 24 h,are associated with increased morbidity and *** neurological dysfunction is diagnosed in cases when symptoms present>3 d *** to its rarity,the risk factors for delayed neurological dysfunction are ***,this condition can result in irreversible neurological deficits and serious *** this paper,we present a case of postoperative SEH that developed three days after hematoma *** SUMMARY A 68-year-old man with an American Spinal Injury Association(ASIA)grade C injury was admitted to our hospital with neck pain and tetraplegia following a *** C3-C7 posterior laminectomy and the lateral mass screw fixation surgery were performed on the tenth ***,the patient showed no changes in muscle strength or ASIA *** patient experienced neck pain and subcutaneous swelling on the third day postoperatively,his muscle strength decreased,and his ASIA score was grade *** resonance imaging showed hypointense signals on T1 weighted image(T1WI)and T2WI located behind the epidural space,with spinal cord *** surgical intervention for the hematoma was performed 12 h after *** hypoproteinemia and pleural effusion did not improve in the perioperative period,the patient recovered to ASIA grade C on day 30 after surgery,and was transferred to a functional rehabilitation exercise *** This case shows that amelioration of low blood albumin and pleural effusion is an important aspect of the perioperative management of cervical *** to relieve the pressure on the spinal cord should be performed as soon as possible to decrease neurological disabilities.

关键词： Delayed postoperative spinal epidural hematoma Complications Spinal surgery Hypoproteinemia Risk factor Case report