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Clinical and imaging features of phosphaturic mesenchymal tumors

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Chinese Medical Journal 2023年第3期136卷 351-353页

作者： Cheng Chang Aihong Yu Yuhua You Xiaoxin Peng Xiaoguang Cheng Xintong Li Wei Liang Lihua Gong Wei Deng Department of Radiology Beijing Jishuitan Hospitalthe 4th Medical College of Peking UniversityBeijing 100035China Department of Radiology Beijing Anding HospitalCapital Medical UniversityBeijing 100088China The National Clinical Research Center for Mental Disorders and Beijing Key Laboratory of Mental Disorders Beijing 100088China Department of Pathology Beijing Jishuitan Hospitalthe 4th Medical College of Peking UniversityBeijing 100035China Department of Endocrinology Beijing Jishuitan Hospitalthe 4th Medical College of Peking UniversityBeijing 100035China

To the Editor:Phosphaturic mesenchymal tumor(PMT)is a rare,slowly progressive,histomorphologically distinct entity of tumors that can emerge anywhere in the body.[1]According to World Health Organization,PMT has two pathological types:benign and malignant.[2]PMT was discovered due to tumor-induced osteomalacia(TIO)and is increasingly accepted in recent years as the leading cause of TIO.[1]However,most published reports have focused on the clinicopathological,immunohistochemical,and molecular genetic studies on PMT rather than the radiological work-ups.[3,4]Hence,the aim of this study was to find the common imaging characteristics of PMT to assist clinical diagnosis.

关键词： tumors mesenchymal tumor

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大学章程建设:现状、国际经验及发展策略

教育学术月刊 2023年第7期 99-105页

作者：游玉华北京大学北京国际数学研究中心北京100871

大学章程是大学治理的基础。与英、法等国相比,我国大学章程建设起步较晚,其现状是:大学章程建设日渐被重视,但其重要意义和法律地位尚未被充分认识;大学章程建设逐步开展起来,但大学内部治理结构及与外部主体间的关系还不够明晰;大学... 详细信息

大学章程是大学治理的基础。与英、法等国相比,我国大学章程建设起步较晚,其现状是:大学章程建设日渐被重视,但其重要意义和法律地位尚未被充分认识;大学章程建设逐步开展起来,但大学内部治理结构及与外部主体间的关系还不够明晰;大学章程建设重复雷同现象逐步减少,但还未充分彰显学校特色;大学章程内容日趋规范,但程序缺失的状况有待改善。借鉴美国、英国和加拿大等国大学章程建设的经验,今后我国大学章程建设需要从几个方面寻求突破:提高对章程重要性的认识,明确章程法律地位;明晰高校内部治理结构,理顺大学外部法律关系;重视章程文本建设,彰显学校特色与个性;明确章程的制定和修改程序,确保章程与时俱进。

关键词：大学章程建设大学治理现代大学制度

Effect of Cu addition on microstructure and properties of Mg-10Zn-5Al-0.1Sb high zinc magnesium alloy

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China Foundry 2012年第1期9卷 43-47页

作者： you Zhiyong Zhang yuhua Cheng Weili Zhang Jinshan Wei Yinghui College of Materials Science and Engineering Taiyuan University of TechnologyTaiyuan 030024ShanxiChina

To improve the strength,hardness and heat resistance of Mg-Zn based alloys,the effects of Cu addition on the as-cast microstructure and mechanical properties of Mg-10Zn-5Al-0.1Sb high zinc magnesium alloy were investigated by means of Brinell hardness measurement,scanning electron microscopy (SEM),energy dispersive spectroscopy (EDS),XRD and tensile tests at room and elevated temperatures.The results show that the microstructure of as-cast Mg-10Zn-5Al-0.1Sb alloy is composed of α-Mg,t-Mg32(Al,Zn)49,φ-Al2Mg5Zn2 and Mg3Sb2 phases.The morphologies of these phases in the Cu-containing alloys change from semi-continuous long strip to black herringbone as well as particle-like shapes with increasing Cu content.When the addition of Cu is over 1.0wt.%,the formation of a new thermally-stable Mg2Cu phase can be observed.The Brinell hardness,room temperature and elevated temperature strengths firstly increase and then decrease as the Cu content increases.Among the Cu-containing alloys,the alloy with the addition of 2.0wt.% Cu exhibits the optimum mechanical properties.Its hardness and strengths at room and elevated temperatures are 79.35 HB,190MPa and 160MPa,which are increased by 9.65%,21.1% and 14.3%,respectively compared with those of the Cu-free one.After T6 heat treatment,the strengths at room and elevated temperatures are improved by 20% and 10%,respectively compared with those of the as-cast alloy.This research results provide a new way for strengthening of magnesium alloys at room and elevated temperatures,and a method of producing thermally-stable Mg-10Zn-5Al based high zinc magnesium alloys.

关键词： microstructure mechanical properties high zinc magnesium alloy Mg2Cu phase

MMLUP: Multi-Source & Multi-Task Learning for User Profiles in Social Network

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Computers, Materials & Continua 2019年第9期61卷 1105-1115页

作者： Dongjie Zhu yuhua Wang Chuiju you Jinming Qiu Ning Cao Chenjing Gong Guohua Yang Helen Min Zhou School of Computer Science and Technology Harbin Institute of TechnologyWeihai264209China College of Information Engineering Sanming University365004SanmingChina Fujian Province University Key Lab for Industry Big Data Analysis and Application FujianChina College of Information Engineering Qingdao Binhai UniversityQingdaoChina Jiangsu Province Wireless Sensing System Application Engneering Technology Research and Development Centre China School of Engineering Manukau Institute of TechnologyAuckland2241New Zealand

With the rapid development of the mobile Internet,users generate massive data in different forms in social network every day,and different characteristics of users are reflected by these social media data.How to integrate multiple heterogeneous information and establish user profiles from multiple perspectives plays an important role in providing personalized services,marketing,and recommendation systems.In this paper,we propose Multi-source&Multi-task Learning for User Profiles in Social Network which integrates multiple social data sources and contains a multi-task learning framework to simultaneously predict various attributes of a user.Firstly,we design their own feature extraction models for multiple heterogeneous data sources.Secondly,we design a shared layer to fuse multiple heterogeneous data sources as general shared representation for multi-task learning.Thirdly,we design each task’s own unique presentation layer for discriminant output of specific-task.Finally,we design a weighted loss function to improve the learning efficiency and prediction accuracy of each task.Our experimental results on more than 5000 Sina Weibo users demonstrate that our approach outperforms state-of-the-art baselines for inferring gender,age and region of social media users.

关键词： User profiles multi-source multi-task learning social network

Ultrafast polarization-dependent all-optical switching of germanium-based metaphotonic devices

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Photonics Research 2020年第3期8卷 263-270页

作者： HAO SUN YUZE HU yuhua TANG JIE you JUNHU ZHOU HENGZHU LIU XIN ZHENG College of Computer National University of Defense TechnologyChangsha 410073China College of Advanced Interdisciplinary Studies National University of Defense TechnologyChangsha 410073China National Innovation Institute of Defense Technology Academy of Military Sciences PLA ChinaBeijing 100071China

Metamaterials play an important role in the modulation of amplitude and group delay in the terahertz(THz)regime on account of their optical properties,which are rare in natural materials.Here an ultrafast anisotropic switch of the plasmon-induced transparency(PIT)effect is experimentally and numerically demonstrated by metamaterial devices composed of two pairs of planar split-ring resonators and a pair of closed-ring resonators.By integration with a germanium(Ge)film,a recovery time of 3 ps and a decay constant of 785 fs are realized in the metadevice.Stimulated by the exterior optical pump,the PIT windows at different frequencies are switched off with an excellent property of slow light for vertical and horizontal THz polarizations,realizing an astonishing modulation depth as high as 99.06%.This work provides a new platform for ultrafast anisotropic metadevices tunable for amplitude and group delay.

关键词： polarization optical switched

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谿谷结构的现代解剖学印证

北京中医药大学学报 2016年第8期39卷 639-642页

作者：刘斌尤海燕李玉华郑州人民医院河南450003 北京中医药大学

谿谷是《黄帝内经》中一个重要的人体结构概念,被用于阐发几乎各种骨病的发生、发展机制。谿谷的结构特征可以总结为:谿谷肉会、毗邻孙络、连属于骨3方面。但是谿谷及其结构特征在后世文献中鲜被提及,由此现代中医研究者对此术语的解读... 详细信息

谿谷是《黄帝内经》中一个重要的人体结构概念,被用于阐发几乎各种骨病的发生、发展机制。谿谷的结构特征可以总结为:谿谷肉会、毗邻孙络、连属于骨3方面。但是谿谷及其结构特征在后世文献中鲜被提及,由此现代中医研究者对此术语的解读多含糊其辞。1987年澳大利亚学者Taylor基于解剖学发现提出了"血管区"理论,在其论文中提到类似谿谷的结构。两者结构特征惊人的相似,如皮穿支血管在深筋膜紧系于骨的部位穿出其外层,这一特征在肌肉交汇的部位更易于发现,表现为肌肉周缘的沟和谷。中西医学在谿谷结构上的相互印证是偶然也是必然。血管区理论的相关启示有益于利用现代医学科技深入理解并进一步探索谿谷结构,从而更好地运用于指导中医临床实践。

关键词：谿谷孙络血管区穿支血管黄帝内经

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胶态磁组装光子晶体及其离子强度响应

高等学校化学学报 2017年第3期38卷 479-483页

作者：由爱梅曹玉华曹光群江南大学化学与材料工程学院食品胶体与生物技术教育部重点实验室无锡214122

采用细乳液聚合方法合成了聚合物包覆的磁性复合纳米粒子(MCNPs),通过磁场诱导组装制备得到胶态磁组装光子晶体(CMA-PCs).透射电子显微镜(TEM)和扫描电子显微镜(SEM)表征结果表明,MCNPs具有规整的球形形貌和明显的核壳结构,并且单分散... 详细信息

采用细乳液聚合方法合成了聚合物包覆的磁性复合纳米粒子(MCNPs),通过磁场诱导组装制备得到胶态磁组装光子晶体(CMA-PCs).透射电子显微镜(TEM)和扫描电子显微镜(SEM)表征结果表明,MCNPs具有规整的球形形貌和明显的核壳结构,并且单分散性较好,平均粒径为112 nm,聚合物壳层厚约10 nm.MCNPs在外界磁场的作用下可以快速(<1 s)组装形成光子晶体结构.当离子强度在0.03~0.75 mmol/L范围内变化时,CMA-PCs的衍射色呈现从橙红色到紫色的变化,反射波长从607 nm蓝移至434 nm,并且离子强度的响应在10 s内即可达到平衡,表明制得的CMA-PCs可以作为化学传感器应用于离子强度的半定量检测,并且具有简便、快速及裸眼可视化检测的优点.

关键词：磁性复合纳米粒子胶态磁组装光子晶体离子强度

Expert Perception of ChatGPT in Clinical Medicine

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教育技术与创新 2023年第2期5卷 107-108页

作者： Zeng yuhua Habib Wenzhou University Wenzhou Medical University

Question 1:How did you first learn about ChatGPT,and what inspired you to start using it?Answer:I heard about ChatGPT through internet,it was viral in internet and people were sharing photos of the answers given by Ch... 详细信息

关键词： Expert Chat GPT

CEO社会关系会加剧信息鸿沟吗?——基于自愿业绩预告视角

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上海立信会计金融学院学报 2022年第6期34卷 103-117页

作者：程肖芬吴忧张玉华上海立信会计金融学院学术期刊中心上海201209 中南财经政法大学会计学院湖北武汉430073 上海师范大学商学院上海200234

文章从CEO社会关系视角,以2012-2018年我国A股上市公司为样本,将CEO社会关系与企业自愿发布业绩预告行为结合,研究CEO社会关系对自愿发布业绩预告的积极性以及预告质量的影响,检验CEO社会关系是否会加剧信息鸿沟。实证结果发现,CEO社会... 详细信息

文章从CEO社会关系视角,以2012-2018年我国A股上市公司为样本,将CEO社会关系与企业自愿发布业绩预告行为结合,研究CEO社会关系对自愿发布业绩预告的积极性以及预告质量的影响,检验CEO社会关系是否会加剧信息鸿沟。实证结果发现,CEO社会关系越广,上市公司自愿发布业绩预告的积极性越强,但预告的准确性会降低。进一步研究发现,这种影响主要源于社会关系的信息传播和再就业保障作用。研究表明,若仅从信息披露数量角度,CEO社会关系能在一定程度上促进信息披露,增加信息透明度;但从披露质量角度,CEO社会关系会降低业绩预告准确性,误导投资者,加剧信息鸿沟。

关键词： CEO社会关系业绩预告自愿披露信息鸿沟