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Research evolution of metal organic frameworks: A scientometric approach with human-in-the-loop

Journal of Data and Information Science 2024年第3期9卷 44-64页

作者： Xintong Zhao Kyle Langlois Jacob Furst Yuan An Xiaohua Hu Diego Gomez Gualdron Fernando Uribe-Romo Jane Greenberg Drexel University 3141 Chestnut StPhiladelphiaPAUSA University of Central Florida 4000 Central Florida BlvdOrlandoFLUSA Colorado School of Mines 1500 Illinois StGoldenCOUSA

Purpose:This paper reports on a scientometric analysis bolstered by human-in-the-loop,domain experts,to examine the field of metal-organic frameworks(MOFs)*** analyses reveal the intellectual landscape of a *** study engaged MOF scientists in the design and review of our research *** materials are an essential component in next-generation renewable energy storage and biomedical *** research approach demonstrates how engaging experts,via human-in-the-loop processes,can help develop a comprehensive view of a field’s research trends,influential works,and specialized ***/methodology/approach:Ascientometric analysis was conducted,integrating natural language processing(NLP),topic modeling,and network analysis *** analytical approach was enhanced through a human-in-the-loop iterative process involving MOF research scientists at selected *** researcher feedback was incorporated into our *** data sample included 65,209 MOF research ***3 and software tool VOSviewer were used to perform the ***:The findings demonstrate the value of including domain experts in research workflows,refinement,and interpretation of *** each stage of the analysis,the MOF researchers contributed to interpreting the results and method refinements targeting our focus Research evolution of metal organic frameworks:A scientometric approach with human-in-the-loop on MOF *** study identified influential works and their *** findings also underscore four main MOF research directions and *** limitations:This study is limited by the sample(articles identified and referenced by the Cambridge structural Database)that informed our *** implications:Our findings contribute to addressing the current gap in fully mapping out the comprehensive landscape of MOF ***,the results will help domain scientists target future research directions.

关键词： Scientometric Metal-Organic Frameworks(MOFs) Network analysis Topic modeling Human-in-the-loop

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study on the Photosynthetic Characteristics of Six Varieties(strains)in Chinese chestnut

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Agricultural Biotechnology 2024年第1期13卷 9-14,57页

作者： Lizhi FU Yong YANG Xiaoxiao KANG Meng WANG Jing LIU Xuan WANG Dongsheng WANG Liyang YU Hai’e ZHANG College of Horticultural Science and Technology Hebei Normal University of Science and TechnologyQinhuangdao 066004China Engineering Research Center of chestnut Industrial Technology Ministry of EducationQinhuangdao 066004China Key Laboratory of Germplasm Mining and Innovative Utilization of Characteristic Horticulture Hebei ProvinceQinhuangdao 066004China Hebei chestnut Industry Collaborative Innovation Center Qinhuangdao 066004China

[Objectives]This study was conducted to investigate the differences of photosynthetic physiological characteristics of different varieties(strains),which will provide a theoretical basis for high photosynthesis efficiency breeding and application in Chinese chestnut.[Methods]Six Chinese chestnut varieties of Castanea mollissima‘Yanbao’,***‘Yanqiu’,***‘Yanchang’,***‘Yanjia’,***‘Qianxi 37’,and ***‘Hybrid 22’were used as the *** the portable photosynthesis system Li-6400,we measured the photosynthetic characteristics and diurnal variation of leaf samples of six different chestnut varieties or *** fitted the light response curves and photosynthetic parameters using the leaf floating ***,we determined the chlorophyll content in the leaves using a UV-visible spectrophotometer.[Results]Among the six chestnut varieties or strains,‘Yanqiu’exhibited a significantly higher photosynthetic light saturation point(P LSP)compared to other five varieties,and‘Hybrid 22’ranked second,indicating that these two varieties had the strongest adaptation to high light *** photosynthetic light compensation point(P LCP)of‘Yanchang’was significantly higher than other five varieties,and"Qianxi 37"ranked second,indicating that these two varieties had the strongest adaptation to low light ***,they exhibited higher chlorophyll content and maintained good photosynthetic characteristics even in shaded environments with weak light ***‘Yanbao’and‘Yanjia’showed higher P LSP and lower P LCP,indicating that these two varieties have a wider range of adaptation to light *** were capable of efficiently utilizing light across a broader spectrum of intensities.‘Yanqiu’had the highest maximum net photosynthetic rate(P n,max)and the lowest dark respiration rate(R d),along with the highest chlorophyll *** indicated that‘Yanqiu’has strong photosynthetic capacity and organic mat

关键词： Chinese chestnut Diurnal variation of photosynthesis Light response model Light response curve Chlorophyll

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Voices From the Industry:How EdTech Leaders Responded to the COVID-19 Pandemic

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ECNU Review of Education 2024年第2期7卷 420-441页

作者： Deoksoon Kim Katrina Borowiec Drina Kei Yatsu stanton Wortham Boston College Lynch School of Education and Human DevelopmentI40 Commonwealth AvenueChestnut HillMA02467-3800USA

Purpose Educational technology(“EdTech”)served a pivotal role in keeping schools functioning during the beginning of the COVID-19 *** is known about EdTech leaders’roles in shaping this *** study explores EdTech leaders’perspectives and backgrounds,their response to the pandemic,how they envision their roles as educators,and their perspectives about how technology facilitates educational ***/Approach/Methods This study uses a qualitative,phenomenological approach to understand how 11 EdTech leaders experienced the *** were recruited for interviews in summer 2021 via purposive sampling to include diverse backgrounds and *** were analyzed *** The findings show that a four-category typology can be used to describe EdTech leaders’diverse backgrounds and *** emphasized equity and open collaboration in their pandemic responses,by expanding access to their tools and adapting their products as users’needs *** leaders anticipate streamlined user experiences,improvements in online learning,and increased adoption of artificial intelligence and simulated learning ***/Value This study addresses a gap in the research concerning EdTech leaders’perspectives on their efforts to support educators and their experiences during the *** hope this study sparks additional research on EdTech leaders’experiences and roles in education.

关键词： Collaboration COVID-19 pandemic educational technology innovation leadership technology access

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A New Era in EdTech:Emerging Challenges and Opportunities

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ECNU Review of Education 2024年第2期7卷 252-257页

作者： Deoksoon Kim Katrina Borowiec stanton Wortham Lynch School of Education and Human Development Chestnut HillMassachusetts 02467-3800USA

The COVID-19 pandemic dramatically expanded the increasingly important role of educational technology(“EdTech”)in K-16 *** is“the introduction of information and technology tools in teaching and learning”(Ganimian et al.,2020,p.5).Examples of EdTech include audio-visual aids,computer-assisted learning,mobile devices,smart technologies,and virtual reality(Huang et al.,2019).One sign of the growing importance of technology in schools is the rapid increase in EdTech investments,which tripled between 2019(pre-COVID)and 2021(during COVID;HolonIQ,2022).Nonetheless,inequality in access to technology remains a barrier for students in underserved schools(Chapman et al.,2010;Dorn et al.,2020).

关键词： smart teaching expanded

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Enriching Middle School students’Learning Through Digital storytelling:A Multimodal Analytical Framework

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ECNU Review of Education 2024年第2期7卷 357-383页

作者： Deoksoon Kim Ho-Ryong Park Oksana Vorobel Boston College Lynch School of Education-Teaching Curriculumand SocietyI40 Commonwealth AvenueChestnut HillMassachusetts 02467-3800US Murray state University City University of New York

Purpose This study investigates middle school students’learning experiences through digital storytelling,applying a multimodal analytical framework to uncover patterns in digital *** study explores how participants engage in pedagogical activities,reflect on their learning experiences,and articulate their voices through digital ***/Approach/Methods Employing qualitative case study methods,we purposefully selected three 12-year-old female students at an urban school in the northern *** of digital stories and other data sources(interviews,classroom observations,and reflective journals)show that the students were engaged in both teaching and *** The findings describe(1)participants and their learning experiences,(2)students’representational and interpersonal constructs as used in their digital stories,and(3)their participation as teachers as well as ***/Value Our multimodal analytical framework illuminates how students express themselves through digital *** discussion focuses on students’learning,their identity development,the effectiveness of the analytical framework,and pedagogical implications.

关键词： Analytical framework digital stories identity middle school students multimodality

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JrATHB-12 mediates JrMYB113 and JrMYB27 to control the anthocyanin levels in different types of red walnut

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Journal of Integrative Agriculture 2024年第8期23卷 2649-2661页

作者： Haifeng Xu Guifang Wang Xinying Ji Kun Xiang Tao Wang Meiyong Zhang Guangning Shen Rui Zhang Junpei Zhang Xin Chen Key Laboratory of Huanghuai Protected Horticulture Engineering/National Germplasm Repository of Walnut and chestnut Shandong Institute of PomologyTai’an 271000China Research Institute of Forestry Chinese Academy of ForestryBeijing 100091China College of Horticulture and Forestry Tarim UniversityAlaer 843300China

Red walnut has broad market prospects because it is richer in anthocyanins than ordinary ***,the mechanism driving anthocyanin biosynthesis in red walnut is still *** studied two types of red walnut,called red walnut 1(R1),with a red pericarp and seed coat,and red walnut 2(R2),with a red seed coat only.R1 mostly contained cyanidin-3-O-galactoside,while R2 contained a various amounts of cyanidin-3-Ogalactoside,cyanidin-3-O-arabinoside,and *** LDOX-2(LOC109007163)and LDOX-3(LOC109010746)genes,which encode leucoanthocyanidin dioxygenase/anthocyanidin synthase(LDOX/ANS),were preliminarily indicated as the crucial genes for anthocyanin biosynthesis in R1 and R2,*** MYB differential genes analysis showed that MYB27 and MYB113 are specifically expressed in the red parts of R1 and R2,respectively,and they are regarded as candidate regulatory *** expression in Arabidopsis and transient injection in walnut showed that both MYB27 and MYB113 were located in the nucleus and promoted anthocyanin accumulation,while MYB27 promoted the expression of LDOX-2,and MYB113 promoted the expression of LDOX-3and *** one-hybrid and electrophoretic mobility shift assays showed that MYB27 could only bind to the LDOX-2 promoter,while MYB113 could bind to the promoters of both LDOX-3 and *** addition,we also identified an HD-Zip transcription factor,ATHB-12,which is specifically expressed in the *** silencing the expression of ATHB-12,the R2 pericarp turned red,and MYB113 expression *** experiments showed that ATHB-12 could specifically interact with MYB113 and bind to its *** suggests that MYB27controls R1 coloration by regulating LDOX-2,while MYB113 controls R2 coloration by regulating LDOX-3 and UAGT-3,but ATHB-12 can specifically bind to and inhibit the MYB113 of the R2 pericarp so that it becomes *** study reveals the anthocyanin biosynthetic mechanisms in two differ

关键词： JrATHB-12 JrMYB113 JrMYB27 red walnut anthocyanin biosynthesis

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Effects of Different Climates and Soil Environments in the Yanshan Production Area on the Growth and Quality of chestnuts

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Agricultural Biotechnology 2024年第2期13卷 81-87页

作者： Jiaqing WU Haie ZHANG Jingzheng ZHANG College of Horticulture Science and Technology Hebei Normal University of Science and TechnologyChangli 066600China Engineering Research Center of chestnut Industry Technology Ministry of EducationQinhuangdao 066004China Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization Qinhuangdao 066004China Hebei Collaborative Innovation Center of chestnut Industry Qinhuangdao 066004China

[Objectives] This study conducted investigations on the climate and soil nutrients of different chestnut orchards in the Yanshan region, selected key ecological factors affecting the growth and fruit quality of chestnuts, and provided a theoretical basis for the cultivation, introduction, and scientific planting of high-quality chestnuts. [Methods] The ‘Yanshanzaofeng’ chestnuts in four orchards located in Qianxi, Qianan, Funing, and Qinglong of Hebei Science and Technology Normal University were selected. The climate and soil nutrient conditions of the four orchards were investigated. Growth indicators such as branch length and diameter, nut weight, and internal quality indicators such as starch, fat, and protein content were analyzed. Principal component analysis was conducted on nine climate factors and twelve soil factors in the four chestnut orchards to identify the most closely related ecological factors influencing chestnut growth and quality. [Results] (i) Different orchards had varying climate conditions, with Qianan orchard having higher rainfall than the others, Funing orchard having the highest number of sunshine hours in the growing season, and Qinglong orchard experiencing the greatest temperature difference during the growing season. (ii) Significant differences were found in soil nutrient content among the orchards, with the coefficient of variation for organic matter and mineral elements ranging from 19.1% (S) to 80.3% (available phosphorus). (iii) The main ecological factor influencing chestnut growth was the photosynthetic factor, while fruit quality was influenced by a combination of climatic factors, photosynthetic factors, and nutrient factors. Key ecological factor indicators included: annual precipitation, annual sunshine hours, growing season precipitation, growing season sunshine hours, soil organic matter, available phosphorus, available potassium, alkali nitrogen, copper, zinc, available boron, and sulfur. Soluble solids were significantl

关键词： chestnut Ecological factors Fruit quality Principal component analysis

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High-Temperature Superconductivity in La_(3)Ni_(2)O_(7)

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Chinese Physics Letters 2024年第1期41卷 85-91页

作者：蒋坤汪自强张富春 Beijing National Laboratory for Condensed Matter Physics and Institute of PhysicsChinese Academy of SciencesBeijing 100190China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100190China Department of Physics Boston CollegeChestnut HillMA 02467USA Kavli Institute of Theoretical Sciences University of Chinese Academy of SciencesBeijing 100190China Collaborative Innovation Center of Advanced Microstructures Nanjing UniversityNanjing 210093China

Motivated by the recent discovery of high-temperature superconductivity in bilayer La_(3)Ni_(2)O_(7) under pressure,we study its electronic properties and superconductivity due to strong electron *** the inversion symmetry,we decouple the low-energy electronic structure into block-diagonal symmetric and antisymmetric *** is found that the antisymmetric sector can be reduced to a one-band system near half filling,while the symmetric bands occupied by about two electrons are heavily overdoped *** the strong coupling mean field theory,we obtain strong superconducting pairing with B_(1g)symmetry in the antisymmetric *** propose that due to the spin-orbital exchange coupling between the two sectors,B_(1g)pairing is induced in the symmetric bands,which in turn boosts the pairing gap in the antisymmetric band and enhances the high-temperature superconductivity with a congruent d-wave symmetry in pressurized La_(3)Ni_(2)O_(7).

关键词： symmetry superconductivity symmetric

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Dry reforming of methane on doped Ni nanoparticles:Featureassisted optimizations and ranking of doping metals for direct activations of CH_(4) and CO_(2)

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Nano Research 2022年第10期15卷 9670-9682页

作者： Shiru Lin Jean-Baptiste Tristan Yang Wang Junwei Lucas Bao Department of Chemistry Boston CollegeChestnut HillMassachusetts 02467USA Department of Computer Science Boston CollegeChestnut HillMassachusetts 02467USA

As a vital energy resource and raw material for many industrial products,syngas(CO and H_(2))is of great *** reforming of methane(DRM)is an important approach to producing syngas(with a hydrogen-to-carbon-monoxide ratio of 1:1 in principle)from methane and carbon dioxide,with a lower operational cost as compared to other reforming ***,many pure metallic catalysts used in DRM face deactivation issues due to coke formation or sintering of the metal particles.A systematic search for highly efficient metallic catalysts,which reduce the reaction barriers for the rate-determining steps and resist carbon deposition,is urgently *** is a typical low-cost transition metal for activating the C–H bond in *** this work,we applied a two-step workflow to search for nickel-based bimetallic catalysts with doping metals M(M-Ni)by combining density functional theory(DFT)calculations and machine learning(ML).We focus on the two critical steps in DRM—CH_(4) and CO_(2) direct *** used DFT and slab models for the Ni(111)facet to explore the relevant reaction pathways and constructed a data set containing structural and energetic information for representative M-Ni *** used this dataset to train ML models with chemical-knowledge-based features and predicted CH_(4) and CO_(2) dissociation energies and barriers,which revealed the composition–activity relationships of the bimetallic *** also used these models to rank the predicted catalytic performance of candidate systems to demonstrate the applicability of ML for catalyst *** emphasized that ML ranking models would be more valuable than regression models in high-throughput ***,we used our trained model to screen 12 unexplored M-Ni systems and showed that the DFT-computed energies and barriers are very close to the ML-predicted values for top candidates,validating the robustness of the trained model.

关键词： Ni-based bimetallic catalysts dry reforming of methane syngas production CH_(4)and CO_(2)direct activations ranking model

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Challenges and opportunities of machine learning control in building operations

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Building Simulation 2023年第6期16卷 831-852页

作者： Liang Zhang Zhelun Chen Xiangyu Zhang Amanda Pertzborn Xin Jin The University of Arizona 1209 E 2nd StTucsonAZUSA Drexel University 3141 Chestnut StPhiladelphiaPAUSA National Renewable Energy Laboratory 15013 Denver W PkwyGoldenCOUSA National Institute of standards and Technology 100 Bureau DrGaithersburgMDUSA

Machine learning control(MLC)is a highly flexible and adaptable method that enables the design,modeling,tuning,and maintenance of building controllers to be more accurate,automated,flexible,and *** research topic of MLC in building energy systems is developing rapidly,but to our knowledge,no review has been published that specifically and systematically focuses on MLC for building energy *** paper provides a systematic review of MLC in building energy *** review technical papers in two major categories of applications of machine learning in building control:(1)building system and component modeling for control,and(2)control process *** identify MLC topics that have been well-studied and those that need further research in the field of building operation *** also identify the gaps between the present and future application of MLC and predict future trends and opportunities.

关键词： machine learning building operation control building energy system reinforcement learning

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