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Science China Chemistry 2013年第7期56卷 992-996页

作者： LI JunTao SU Hang HUANG ling SUN ShiGang School of Energy Research Xiamen University State Key Laboratory of Physical Chemistry of Solid Surfaces department of Chemistry College of Chemistry and Chemical Engineering Xiamen University

Graphite thin film anodes with a high IR reflectivity have been prepared by a spin coating method. Both ex situ and in situ mi- croscope FTIR spectroscopy （MFFIRS） in a reflection configuration were employed to investigate interfacial processes of the graphite thin film anodes in lithium-ion batteries. A solid electrolyte interphase layer （SEI layer） was formed on the cycled graphite thin film anode. Ex situ MFTIRS revealed that the main components of the SEI layer on cycled graphite film anodes in 1 tool L 1 LiPF6/ethylene carbonate ＋ dimethyl carbonate （1：1） are alkyl lithium carbonates （ROCOzLi）. The desolvation process on graphite anodes during the initial intercalation of lithium ion with graphite was also observed and analyzed by in situ MFTIRS.

关键词： graphite anode interfaciai process FTIR spectroscopy lithium-ion battery

Intelligent Detection Model Based on a Fully Convolutional Neural Network for Pavement Cracks

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Computer Modeling in Engineering & Sciences 2020年第6期123卷 1267-1291页

作者： Duo Ma Hongyuan Fang Binghan xue Fuming Wang Mohammed AMsekh Chiu ling Chan School of Water Conservancy Engineering Zhengzhou UniversityZhengzhou450001China National Local Joint Engineering Laboratory of Major Infrastructure Testing and Rehabilitation Technology Zhengzhou450001China Collaborative Innovation Center of Water Conservancy and Transportation Infrastructure Safety Zhengzhou450001China Civil Engineering department College of EngineeringUniversity of BabylonBabylonIraq Institute of Structural Mechanics Bauhaus Universität WeimarWeimarGermany

The crack is a common pavement failure problem.A lack of periodic maintenance will result in extending the cracks and damage the pavement,which will affect the normal use of the ***,it is significant to establish an efficient intelligent identification model for pavement *** neural network is a method of simulating animal nervous systems using gradient descent to predict results by learning a weight *** has been widely used in geotechnical engineering,computer vision,medicine,and other ***,there are three major problems in the application of neural networks to crack *** are too few layers,extracted crack features are not complete,and the method lacks the efficiency to calculate the whole *** this study,a fully convolutional neural network based on ResNet-101 is used to establish an intelligent identification model of pavement crack *** method,using a convolutional layer instead of a fully connected layer,realizes full convolution and accelerates *** region proposals come from the feature map at the end of the base network,which avoids multiple computations of the same *** hard example mining and data-augmentation techniques are adopted to improve the model’s recognition *** trained and tested Concrete Crack Images for Classification(CCIC),which is a public dataset collected using smartphones,and the Crack Image Database(CIDB),which was automatically collected using vehicle-mounted charge-coupled device cameras,with identification accuracy reaching 91.4%and 86.4%,*** proposed model has a higher recognition accuracy and recall rate than Faster RCNN and different depth models,and can extract more complete and accurate crack features in *** also analyzed translation processing,fuzzy,scaling,and distorted *** proposed model shows a strong robustness and stability,and can automatically identify image cracks of different *** has broad application

关键词： Fully convolutional neural network pavement crack intelligent detection crack image database

300 MPa grade highly ductile biodegradable Zn-2Cu-(0.2-0.8)Li alloys with novel ternary phases

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Journal of Materials Science & Technology 2023年第26期157卷 234-245页

作者： Meng Cao Zhe xue Zhao-Yong Lv Jin-ling Sun Zhang-Zhi Shi Lu-Ning Wang Beijing Advanced Innovation Center for Materials Genome Engineering State Key Laboratory for Advance Metals and MaterialsSchool of Materials Science and EngineeringUniversity of Science and Technology BeijingBeijing 100083China Orthopedics department Peking University ShouGang HospitalBeijing 100144China Advanced Technology and Materials Co. Ltd.(AT&M)Beijing 100081China Liaocheng People’s Hospital Liaocheng Hospital Affiliated to Shandong First Medical UniversityLiaocheng 252000China

Although a few high-strength biodegradable Zn alloys with yield strengths(YSs)over 300 MPa in rolled state have been developed,their elongations(ELs)are generally less than 30%.This study developed rolled Zn-2Cu-x Li(x=0.2 wt.%,0.5 wt.%,0.8 wt.%)alloys with YSs of 316-335 MPa and ELs of 44%-61%.Three-dimensional atom probe(3DAP)and time of flight secondary ion mass spectrometry(TOF-SIMS)were employed to characterize Li *** kinds of Zn-Cu-Li ternary phases are identified,which are blockyε′-(Cu_(0.5),Li_(0.5))Zn 4,blockyβ′-(Li_(0.9),Cu_(0.1))Zn 4,and small roundγparticles with high Li content in the annealed *** identified phases are Zn,β-LiZn 4,andε-CuZn 4 *** the increase of Li content in the alloys,ε′phase with 6.50 at.%Cu transforms intoβ′phase with 2.12 at.%Cu,i.e.,the average level in the ***ε′phase,there exist nano-scale Li clusters andεphase,resulting inε′/ε*** Zn laths precipitate fromβ′phase,resulting inβ′/Zn lamellar *** lamel-lar structure is the matrix of Zn-2Cu-0.8Li and leads to near-isotropic *** tests show that degradation rates fall in the range of 153-196μm/year,which decrease with Li *** the alloys exert positive effects on the growth of MC3T3-E1 cells with 10%*** research reveals how microstructure evolves in Zn-2Cu-x Li alloys,which lays the foundation for their future applications.

关键词： Biodegradable Zn alloys Zn-Cu-Li ternary phase Microstructure

Synthesis of NiFe_2O_4 Powders Well Defined in Size and Morphologies

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Chinese Chemical Letters 2002年第4期13卷 389-392页

作者： Yu Ting ZHAO De Hong CHEN Dai Rong CHEN Xiu ling JIAO department of Chemistry Shandong UniversityJinan 250100

The uniform NiFe2O4 powders with different particle size and morphologies (octahedral, cubic and spherical) have been prepared from different precursors via hydrothermal process. The nanocrystallines derived from pre... 详细信息

关键词： Nickel ferrite hydrothermal method superparamagnetism.

Microphthalmia family of transcription factors associated renal cell carcinoma

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Asian Journal of Urology 2019年第4期6卷 312-320页

作者： ling Xie Yifen Zhang Chin-Lee Wu department of Pathology Affiliated Hospital of Nanjing University of Chinese MedicineNanjingChina department of Pathology and Urology Massachusetts General HospitalHarvard Medical SchoolBostonMAUSA

The microphthalmia(MiT)subfamily of transcription factors includes TFE3,TFEB,TFEC,and *** the 2016 World Health Organization classification,MiT family translocation renal cell carcinoma(tRCC)including Xp11 tRCC and t(6;11)RCC,was newly defined as an RCC ***11 and t(6;11)RCC are characterized by the rearrangement of the MiT transcription factors TFE3 and TFEB,*** studies identified the fusion partner-dependent clinicopathological and immunohistochemical features in TFE3-rearranged ***,RCC with TFEB amplification,melanotic MiT family translocation neoplasms,was identified may as a unique subtype of MiT family associated renal neoplasms,along with MITF associated *** this review,we will collect available literature of these newly-described RCCs,analyze their clinicopathological and immunohistochemical features,and summarize their molecular and genetic *** expect this review would be beneficial for the understanding of these rare subtypes of RCCs,and eventually promote clinical management strategies.

关键词： Microphthalmia TFE3 TFEB MITF Kidney Renal cell carcinoma Translocation

Artificial intelligence applications in finance:a survey

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Journal of Management Analytics 2023年第4期10卷 676-692页

作者： xuemei Li Alexander Sigov Leonid Ratkin Leonid A.Ivanov ling Li department of Information Technology and Decision Sciences Strome College of BusinessOld Dominion UniversityNorfolkVAUSA department of Electronic Machinery University of Electronic Science and Technology of ChinaChengduPeople’s Republic of China Russian Technological University MoscowRussian Federation Russian Academy of Sciences MoscowRussian Federation Russian Academy of Engineering MoscowRussian Federation

Finance is in our daily *** invest,borrow,lend,budget,and save *** also provides guidelines for corporation and government spending and revenue *** statistical solutions such as regression,PCA,and CFA have been widely used in financial forecasting and *** the increasing interest in artificial intelligence in recent years,this paper reviews the Artificial Intelligence(AI)techniques in the finance domain systematically and attempts to identify the current AI technologies used,major applications,challenges,and trends in *** explores AI-related articles in Finance in IEEE Xplore and EI compendex *** suggest AI has been engaged in Finance in financial forecasting,financial protection,and financial analysis and decision-making *** forecasting is one of the main sub-fields of Finance affected by AI *** major AI technology used is supervised *** learning has gained popular in recent *** could be used to address some emerging topics.

关键词： machine learning artificial intelligence finance

GDM孕妇孕中期下生殖道感染、糖代谢指标水平变化及增重速率的临床意义

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临床和实验医学杂志 2024年第4期23卷 413-417页

作者：程迪李武珊朱秋玲高凤春山东第一医科大学附属济南妇幼保健院产科山东济南250001

目的探讨妊娠期糖尿病(GDM)孕妇孕中期下生殖道感染、糖代谢指标及增重速率的临床意义。方法采用前瞻性研究方法,选取2022年1月至12月在山东第一医科大学附属济南妇幼保健院产检并分娩的GDM孕妇210例作为研究对象。观察GDM孕妇的母婴不... 详细信息

目的探讨妊娠期糖尿病(GDM)孕妇孕中期下生殖道感染、糖代谢指标及增重速率的临床意义。方法采用前瞻性研究方法,选取2022年1月至12月在山东第一医科大学附属济南妇幼保健院产检并分娩的GDM孕妇210例作为研究对象。观察GDM孕妇的母婴不良妊娠结局发生情况,分析发生和未发生母婴不良妊娠结局GDM孕妇的年龄、学历、总胆固醇、甘油三酯、高密度脂蛋白胆固醇(LDL-C)和低密度脂蛋白胆固醇(HDL-C)、孕中期空腹血糖(FBG)、糖化血红蛋白(HbA1c)、空腹胰岛素(FINS)、Log胰岛素抵抗指数(HOMA-IR)、Log胰岛β细胞功能(HOMA-β)等糖代谢指标及下生殖道感染情况、增重速率的差异,总结GDM孕妇发生母婴不良妊娠结局的影响因素。结果210例GDM孕妇中发生母婴不良妊娠结局58例,纳入发生母婴不良妊娠结局组,未发生母婴不良妊娠结局的152例GDM孕妇纳入未发生母婴不良妊娠结局组。发生母婴不良妊娠结局组的FBG、HbA1c、FINS、Log HOMA-IR和增重速率分别为(6.12±0.82)mmol/L、(6.23±0.69)%、(14.43±2.28)μU/L、0.60±0.20和(0.51±0.20)kg/周,均明显高于未发生母婴不良妊娠结局组[(4.40±0.67)mmol/L、(5.42±0.80)%、(11.43±2.03)μU/L、0.37±0.15和(0.34±0.18)kg/周],而Log HOMA-β为2.06±0.73,明显低于未发生母婴不良妊娠结局组(2.41±0.89),差异均有统计学意义(P0.05);行Logistic回归分析显示:FBG、Log HOMA-IR、增重速率和下生殖道感染是GDM孕妇发生母婴不良妊娠结局的影响因素(P<0.05)。结论下生殖道感染、增重速率、FBG以及Log HOMA-IR是GDM孕妇发生母婴不良妊娠结局的影响因素,临床应加以重视,及早干预以确保母婴健康。

关键词：妊娠期糖尿病孕中期下生殖道感染糖代谢增重速率母婴结局

Synthesis and biological evaluation of a series of novel salicylanilides as inhibitors of EGFR protein tyrosine kinases

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Chinese Chemical Letters 2012年第5期23卷 529-532页

作者： Ning Ding Wei Zhang Hua ling Xiao Peng Wang Ying Xia Li department of Medicinal Chemistry School of PharmacyFudan UniversityShanghai 201203China School of Medicine and Pharmacy Ocean University of ChinaQingdao 266003China

The synthesis and biological evaluation of two series of salicylanilide derivatives on the EGFR and ErbB-2 tyrosine kinases inhibitory activities were *** the tested compounds those having an additional aryl group substituted on the anilino ring were active on the EGFR tyrosine kinase inhibition（7a-c and 13a,13c,13d,13f）.The inhibitory activities were all in the low micromolar or submicromolar *** addition,compound 13a was found to have dual inhibitory activities both on EGFR and ErbB-2 tyrosine kinases（1.654±1.280 and 7.134±1.265μmol/L）.

关键词： Salicylanilides EGFR HER2 Tyrosine kinase inhibitor

Chelation-mediated in-situ formation of ultrathin cobalt(oxy)hydroxides on hematite photoanode towards enhanced photoelectrochemical water oxidation

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Journal of Energy Chemistry 2021年第5期30卷 152-161页

作者： Zhenzhen Wang Jiayue Rong Jiaqi Lv Ruifeng Chong ling Zhang Li Wang Zhixian Chang Xiang Wang Henan Joint International Research Laboratory of Environmental Pollution Control Materials Henan Provincial Engineering Research Center of Green Anticorrosion Technology for Magnesium AlloysCollege of Chemistry and Chemical EngineeringHenan UniversityKaifeng 475004HenanChina Chemical Science Division and Center for Nanophase Materials Sciences Oak Ridge National LaboratoryOak RidgeTN 37831United States

In this work,a facile chelation-mediated route was developed to fabricate ultrathin cobalt(oxy)hydroxides(CoOOH)nanosheets on hematite photoanode(Fe_(2)O_(3)).The route contains two steps of the adsorption of[Co-EDTA]^(2-)species on Fe_(2)O_(3) nanorod array followed by the hydrolysis in alkaline *** resulting CoOOH/Fe_(2)O_(3) exhibits a remarkably improved photocurrent density of 2.10 mA cm^(-2) at 1.23 V ***,which is ca.2.8 times that of bare Fe_(2)O_(3).In addition,a negative shift of onset potential ca.200 mV is *** structural characterizations reveal the chelate EDTA plays important roles that enhance the adsorption of Co species and the formation of contact between CoOOH and Fe_(2)O_(3).(Photo)electrochemical analysis suggests,besides providing active sites for water oxidation,CoOOH at large extent promotes the charge separation and the charge transfer via passivating surface states and suppressing charge *** also found CoOOH possesses some oxygen vacancies,which could act as trapping centers for photogenerated holes and facilitate the charge *** modulated photocurrent spectroscopy(IMPS)shows that,under low applied potential the water oxidation mainly occurs on CoOOH,while under high applied potential the water oxidation could occur on both CoOOH and Fe_(2)O_(3).The findings not only provide an efficient strategy for designing ultrathin(oxy)hydroxides on semiconductors for PEC applications but also put forward a new insight on the role of CoOOH during water oxidation.

关键词： Hematite Cobalt(oxy)hydroxides Photoelectrochemical water oxidation Charge separation

Waveform Distortions in Femtosecond Laser Pulses Transmitting through Coated Optical Fiber Probes

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Chinese Physics Letters 2010年第6期27卷 221-224页

作者： LIU Gui-Yuan HAN Jun-ling LIU Man TENG Shu-Yun CHENG Chuan-Fu College of Physics and Electronics Shandong Normal University Jinan 250014 School of Science Shandong 3ianzhu University Jinan 250101 department of Electronic Engineering Jinan Vocational College Jinan 250103

We calculate the light field in metal-coated optical fiber probes under illumination of femtosecond laser pulses with the three-dimensional finite-difference time-domain method. By choosing the maximum of the calculated light field data in the time period of one light wave cycle at each spatial point, we obtain the amplitude distributions instead of the conventional light field distribution of a time instant. It is found that with an incident plane wave pulse of y-polarization, the output amplitude distributions of y-polarization have roughly a circled-cross-like pattern with two arc-like zero-amplitude zones. By analyzing the y-polarized waveforms versus time at the points near the arc-like zero-amplitude zones, we find that waveform distortions appear at points in the neighborhood of the zero amplitude lines and in the time intervals when two wave-packets overlap.

关键词： ELECTRIC distortion FEMTOSECOND lasers SURFACE coatings OPTICAL fibers FINITE differences TIME-domain analysis OPTICAL polarization