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肾结石合并肾盂鳞状细胞癌的早期诊断与治疗（附2例报告）

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中国临床实用医学 2010年第4期4卷 226-227页

作者：李怀富许泽清郑浩郑小青郭德荣詹鸣中山大学附属第五医院泌尿外科 519000

目的探讨。肾结石合并。肾盂鳞状细胞癌的早期诊断与治疗。方法报告肾结石合并肾盂鳞状细胞癌2例，结合相关文献探讨其早期诊断及治疗方法。结果2例均有典型肾绞痛病史及合并血尿，CT检查提示肾盂癌2例。2例术中经冰冻病理确诊后，行根... 详细信息

目的探讨。肾结石合并。肾盂鳞状细胞癌的早期诊断与治疗。方法报告肾结石合并肾盂鳞状细胞癌2例，结合相关文献探讨其早期诊断及治疗方法。结果2例均有典型肾绞痛病史及合并血尿，CT检查提示肾盂癌2例。2例术中经冰冻病理确诊后，行根治性患肾切除术，1例术后行全身化疗，5个月后死于全身衰竭，另一类术后随访18个月无复发。2例病理诊断均为鳞状细胞癌。结论肾结石合并肾盂鳞状细胞癌恶性程度高、预后差，临床表现缺乏特异性，易误诊和漏诊，提高对本病的认识，对可疑病例进行多项必要的辅助检查，有助于明确诊断。治疗以根治性患。肾切除为主。

关键词：肾结石肾盂鳞状细胞癌诊断治疗

A Large Chinese Text Dataset in the Wild

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Journal of Computer Science & Technology 2019年第3期34卷 509-521页

作者： Tai-Ling Yuan zhe Zhu Kun xu Cheng-Jun Li Tai-Jiang Mu Shi-Min Hu Department of Computer Science and Technology Tsinghua UniversityBeijing 100084China Department of Radiology Duke UniversityNorth Carolina 27708U.S.A. Tencent Technology(Beijing)Co.Ltd. Beijing 100080China

In this paper,we introduce a very large Chinese text dataset,in the wild.While optical character recognition(OCR)in document images is well studied and many commercial tools are available,the detection and recognition of text in natural images is still a challenging problem,especially for some more complicated character sets such as Chinese text.Lack of training data has always been a problem,especially for deep learning methods which require massive training data.In this paper,we provide details of a newly created dataset of Chinese text with about 1 million Chinese characters from 3850 unique ones annotated by experts in over 30 000 street view images.This is a challenging dataset with good diversity containing planar text,raised text,text under poor illumination,distant text,partially occluded text,etc.For each character,the annotation includes its underlying character,bounding box,and six attributes.The attributes indicate the charactcr's background complexity,appearance,style,etc.Besides the dataset,we give baseline results using state-of-the-art methods for tliree tasks:character recognition(top-1 accuracy of 80.5%),character detection(AP of 70.9%),and text line detection(AED of 22.1).The dataset,source code,and trained models are publicly available.

关键词： Chinese text dataset Chinese text detection Chinese text recognition

Pore-based architecture and representative element volume evaluation in artificial sand packs and natural rock cores

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Petroleum Science 2022年第4期19卷 1473-1482页

作者： Peng-Fei Lv Yu Liu Feng Liu Wen-zhe Yang Han-Tao Liu Bo Zhang Yong-Chen Song School of Energy and Power Engineering North University of ChinaTaiyuanShanxi030051China Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education Dalian University of TechnologyDalianLiaoning116024China Tianjin Refrigeration Technology Key Laboratory Tianjin University of CommerceTianjin300134China School of Chemical and Biological Engineering Taiyuan University of Science and TechnologyTaiyuanShanxi030024China

The phenomenon of multiphase flow in porous media is confronted in various fields of science and industrial applications. Owing to the complicated porous structure, the flow mechanisms are still not completely resolved. A critical and fundamental question is the variation of pore structure and REV sizes among different types of porous media. In this study, a total of 22 porous samples were employed to systematically evaluate the pore-based architecture and REV sizes based on X-ray CT image analysis and pore network modelling. It is found that the irregular grain shapes give rise to large specific areas,narrow and thin throats in identical sand packs. The packs with more types of sands, or composited by the sands with larger difference in diameter, have larger specific area, smaller tortuosity and pore spaces.Based on the REV measurement through porosity solely, the REV sizes of sand packs are generally in the order of magnitude of 10^(-2) m L, while it is at least one order of magnitude smaller in rock cores. Our result indicates that the combination of porosity and Euler number is an effective indicator to get the REV sizes of porous samples.

关键词： Pore structure REV Sand pack Rock core Pore network modelling

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朱丹溪医学的理学内涵探微

浙江中医药大学学报 2024年第3期48卷 288-294页

作者：陈超徐光星浙江中医药大学基础医学院杭州310053 浙江中医药大学图书馆

[目的]探讨朱丹溪医学的理学内涵。[方法]结合医学与哲学的研究方法,基于朱丹溪医学论著及相关理学认识,从“认识观”“运动观”“修养观”三方面探讨丹溪医学的理学内涵。[结果]朱丹溪受到“理一分殊”的思想影响,视医学为践行儒家理... 详细信息

[目的]探讨朱丹溪医学的理学内涵。[方法]结合医学与哲学的研究方法,基于朱丹溪医学论著及相关理学认识,从“认识观”“运动观”“修养观”三方面探讨丹溪医学的理学内涵。[结果]朱丹溪受到“理一分殊”的思想影响,视医学为践行儒家理想的途径;运用“格物穷理”的认识方法,提出了“阳有余阴不足论”“相火论”等重要医学理论;基于“动为天地之心”的运动观,认识到气机运动、“相火”恒动对人体生命的重要意义;基于“物极必反”“君子慎动”的运动观,认识到“相火”妄动对人体的巨大危害,主张将“慎动”思想用于养生;基于“心统性情”的修养观,提出“君火主宰相火”,强调发挥“君火”之“心”的能动作用,涵养道德之“性”,节制欲念之“情”,维续“相火”恒动,裨补生命;将“主静无欲”的修养观运用于养生却疾,要求通过节制食欲与色欲,使人的自然情欲合乎儒家之“理”,方能苛疾不起,尽终天年。[结论]朱丹溪医学理学内涵丰富,是宋元儒学变革影响医学创新的有力见证。丹溪“援理入医”,一方面,为医学创新构建起强有力的理学支撑,使其医学理论上升到“天理”的高度,从而在医学争鸣的金元时期为人信服;另一方面,亦彰显出“天理”作为宇宙法则包罗万象的普遍性与至高无上的权威性。

关键词：朱丹溪金元医学理学格物致知太极动静以理节欲阳有余阴不足论相火论

Laser cladding of NiCrSiB on Monel 400 to enhance cavitation erosion and corrosion resistance

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Rare Metals 2022年第12期41卷 4257-4265页

作者： Chun-Hua Zhang Chen-Liang Wu Song Zhang Yong-Feng Jia Meng Guan Jun-zhe Tan Bin Lin School of Materials Science and Engineering Shenyang University of TechnologyShenyang 110870China Nuclear Power Pump Industry Co. Ltd.Shenyang Blower Works Group CorporationShenyang 110869China

NiCrSiB modified layer was synthesized on Monel 400 by laser cladding,aiming at improving cavitation erosion and corrosion resistance.The microstructure,chemical composition,phase constituents and microhardness were investigated using scanning electron microscope(SEM),energy-dispersive spectrometer(EDS),X-ray diffractometry(XRD) and microhardness tester.The cavitation erosion and corrosion behaviors of the modified layer were also evaluated using an ultrasonic vibrator and potentiodynamic polarization measurement,respectively.Experimental results show that by varying the laser fluence,a hard NiCrSiB modified layer with little airholes,cracks or other defects could be obtained.NiCrSiB modified layer is ~1.1 mm in thickness.The microstructure of the modified layer exhibits cellular dendrite,flake-like dendrite and multiple eutectic phase.The modified layer is mainly composed of γ-Ni solid solution,chromium carbide(Cr_(7)C_(3)and Cr_(23)C_(6)) and Ni_(3)B.The microhardness of the modified layer is ~6.8 times that of Monel 400 substrate.Both the cavitation erosion and corrosion resistance of the modified layer are improved.In the cavitation erosion test,the cumulative erosion loss and erosion loss rate of the modified layer are one order of magnitude lower than that of the substrate.In the electrochemical corrosion test,the corrosion potentials of the substrate and the modified layer are similar.The corrosion current densities of the substrate and the modified layer are 11.12 and 1.95 μA·cm^(-2),respectively.By comparing their corrosion current densities,the corrosion resistance of the modified layer is about 5.7 times that of the substrate.

关键词： NiCrSiB Laser cladding Microstructure Cavitation erosion Corrosion

人工股骨头置换和全髋关节置换在治疗股骨颈骨折上的优劣差异观察

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中外医疗 2014年第26期33卷 22-23页

作者：钱锋唐征宇宋文泉徐哲柴殿波张军蚌埠市第一人民医院骨二科蚌埠安徽233000

目的研究人工股骨头置换和全髋关节置换在治疗股骨颈骨折的临床疗效。方法选取该院2009年1月—2013年3月收治的股骨颈骨折患者70例,随机分为实验组和对照组。实验组患者35例,行人工股骨头置换术;对照组患者35例,行全髋关节置换术。术后... 详细信息

目的研究人工股骨头置换和全髋关节置换在治疗股骨颈骨折的临床疗效。方法选取该院2009年1月—2013年3月收治的股骨颈骨折患者70例,随机分为实验组和对照组。实验组患者35例,行人工股骨头置换术;对照组患者35例,行全髋关节置换术。术后比较两组患者的手术时间、术中出血量、住院时间、Harris评分以及术后并发症发生情况。结果实验组患者手术时间(60.23±11.33)、术中出血量(252.65±14.33)mL以及住院时间(8.24±1.34)h,对照组患者手术时间(101.28±10.98)、术中出血量(512.23±11.82)mL以及住院时间(15.34±2.24)h,经比较,两组患者各指标差异有统计学意义(P0.05);术后6个月Harris评分对照组均优于实验组,差异有统计学意义(P0.05)。结论人工髋关节置换和全髋关节置换术是目前临床上治疗股骨颈骨折的主要手段,两种手术方式各具优缺点,临床上应根据患者情况选择合适的手术方式。

关键词：股骨头置换全髋关节置换股骨颈骨折

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红豆薏米保健饮料的研制

山东化工 2015年第19期44卷 34-35,38页

作者：徐哲邓林林王嘉琳翟羽健金黎明大连民族大学生命科学学院辽宁大连116600

以红豆和薏米为主要原料制成一种保健饮品。通过正交试验,确定最佳生产配比为:薏米与红豆汁的比例为1∶1,蔗糖含量1.5%、柠檬酸含量0%。对饮料的可溶性固形物、pH值、还原糖、金属元素等指标进行测定。结果为:可溶性固形物为10.85 Brix... 详细信息

以红豆和薏米为主要原料制成一种保健饮品。通过正交试验,确定最佳生产配比为:薏米与红豆汁的比例为1∶1,蔗糖含量1.5%、柠檬酸含量0%。对饮料的可溶性固形物、pH值、还原糖、金属元素等指标进行测定。结果为:可溶性固形物为10.85 Brix,pH值为6.39、还原糖含量为0.42%,Fe、Cu、Mn、Na、Ca、K、Mg、Zn的含量分别为0.0054、0.0008、0.0009、0.5433、0.0498、0.8008、0.4564、0.0157mg/L。

关键词：红豆薏米保健饮品

Exchange bias on polycrystalline BiFeO3/CO2Fe(Al0.5Si0.5) heterostructures

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Rare Metals 2017年第1期36卷 32-36页

作者： Shi-zhe Wu Yong Wu Shao-Qian Yin Xiao-Guang xu Jun Miao Yong Jiang School of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083 China

Polycrystalline antiferromagnetic BiFeO(BFO)thin films were grown on Si/Si O/Ti/Pt(111) substrates by pulsed laser deposition and then ferromagnetic films CoFe(AlSi)(CFAS) by magnetron sputtering. After fabrication, the films were vacuum-annealed under a 0.1-T magnetic field at different temperatures from 150 to 500 °C.The exchange bias field can be tuned by the annealing temperature for the heterostructures, and the electric domain size can be controlled by the crystal grain size. A large exchange bias of about 5*10T is observed in one of the samples. It can be speculated that the crystal grain sizes are the key element in determining the exchange bias and coercivity of the films annealed at the temperature of higher than Neel temperature(T N) of BFO. Furthermore, it is possible to extend spin theories from single-crystal BFO system to polycrystalline BFO system.

关键词： Exchange bias BiFeO3 Polycrystalline Domain walls

Grouping bi-chi-squared method for pulsar navigation experiment using observations of Rossi X-ray timing explorer

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Chinese Journal of Aeronautics 2023年第1期36卷 386-395页

作者： Haifeng SUN Jianyu SU Zhongwen DENG Lirong SHEN Weimin BAO Xiaoping LI Liansheng LI zhe SU Wencong WANG School of Aerospace Science and Technology Xidian UniversityXi’an 710126China Shaanxi Key Laboratory of Space Extreme Detection Xi’an 710126China Peng Cheng Laboratory Shenzhen 518000China Academy of Advanced Interdisciplinary Research Xidian UniversityXi’an 710126China Beijing Institute of Control Engineering Beijing 100190China Institute of Space Electronic Information Technology Xi’an 710100China Shandong Institute of Aerospace Electronic Technology Yantai 264032China

X-ray pulsar-based navigation is a revolutionary technology which is capable of providing the required navigation information in the solar system. Performing as an important pulsar-based navigation technique, the Significance Enhancement of Pulse-profile with Orbit-dynamics(SEPO)can estimate orbital elements by using the distortion of pulse profile. Based on the SEPO technique,we propose a grouping bi-chi-squared technique and adopt the observations of Rossi X-ray Timing Explorer(RXTE) to carry out experimental verification. The pulsar timing is refined to determine spin parameters of the Crab pulsar(PSR B0531+21) during the observation periods, and a short-term dynamic model for RXTE satellite is established by considering the effects of diverse perturbations.Experimental results suggest that the position and velocity errors are 16.3 km(3σ) and 13.3 m/s(3σ) with two adjacent observations split by one day(exposure time of 1.5 ks), outperforming those of the POLAR experiment whose results are 19.2 km(3σ) and 432 m/s(3σ). The approach provided is particularly applicable to the estimation of orbital elements via using high-flux observations.

关键词： Model buildings Navigation analysis Navigation testing Pulsars RXTE observations