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Peroral endoscopic myotomy for achalasia in patients aged ≥ 65 years

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World Journal of Gastroenterology 2015年第30期21卷 9175-9181页

作者： chen-jie li Yu-Yong Tan Xue-Hong Wang De-liang liu Department of Gastroenterology the Second Xiangya Hospital of Central South University

AIM:To investigate the safety and efficacy of peroral endoscopic myotomy(POEM) for achalasia in patients aged ≥ 65 ***:From November 2011 to August 2014,15 consecutive patients(aged ≥ 65 years) diagnosed with achalasia were prospectively recruited and all underwent POEM at our institution. Eckardt score,lower esophageal sphincter(LES) pressure,esophageal diameter,SF-36 questionnaire,and procedure-related complications were used to evaluate the ***:All 15 patients were treated successfully by POEM,with a median operation time of 55 min. Median myotomy length was 10 cm. Three patients underwent circular myotomy and 12 full-thickness myotomies. Symptoms remitted in all cases during post-POEM f o l l o w- u p o f 6- 3 9 m o. E c k a r d t s c o r e r e d u c e d significantly(pre-operation vs post-operation:8.0 vs 1.0,P lications related to POEM were found. The quality of life of the 15 patients improved significantly after ***:POEM is a safe and effective technique for treatment of achalasia in patients aged ≥ 65 years,with improvement in symptoms and quality of life.

关键词： Achalasia Peroral endoscopic myotomy elderly Efficacy Quality of life

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某低压涡轮工作叶片高温低循环疲劳寿命预测

东北大学学报（自然科学版） 2005年第7期26卷 673-676页

作者：陈立杰谢里阳东北大学机械工程与自动化学院辽宁沈阳110004

针对某航空发动机低压涡轮工作叶片建立了全尺寸有限元模型·根据台架试验及实际工作承载条件,综合考虑叶片工作时所承受的离心负荷与气流力,进行了弹塑性有限元分析;研究了箍带与叶身小孔的配合间隙对结构应力场分布的影响,发现叶片结... 详细信息

针对某航空发动机低压涡轮工作叶片建立了全尺寸有限元模型·根据台架试验及实际工作承载条件,综合考虑叶片工作时所承受的离心负荷与气流力,进行了弹塑性有限元分析;研究了箍带与叶身小孔的配合间隙对结构应力场分布的影响,发现叶片结构强度的薄弱之处为榫头第一喉部、叶身小孔及叶背一侧圆根处·以此为依据,对叶片进行了高温低循环疲劳寿命预测·计算结果表明:叶身小孔与箍带的最大配合间隙对结构静强度及寿命影响较大,寿命计算时应当考虑平均间隙量的影响;随着计算温度的提高,寿命计算结果大幅度下降·

关键词：涡轮叶片静强度分析弹塑性有限元分析配合间隙低循环疲劳寿命预测

A Cross-Multi-Domain Trust Assessment Authority Delegation Method Based on Automotive Industry Chain

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Computers, Materials & Continua 2025年第1期82卷 407-426页

作者： Binyong li liangming Deng jie Zhang Xianhui Deng School of Cybersecurity(Xin Gu Industrial College) Chengdu University of Information TechnologyChengdu610225China Advanced Cryptography and System Security Key Laboratory of Sichuan Province Chengdu610225China SUGON Industrial Control and Security Center Chengdu610225China

To solve the challenges of connecting and coordinating multiple platforms in the automotive industry and to enhance collaboration among different participants,this research focuses on addressing the complex supply relationships in the automotive market,improving data sharing and interactions across various platforms,and achieving more detailed integration of data and *** propose a trust evaluation permission delegation method based on the automotive industry *** proposed method combines smart contracts with trust evaluation mechanisms,dynamically calculating the trust value of users based on the historical behavior of the delegated entity,network environment,and other factors to avoid malicious node attacks during the permission delegation *** also introduce strict control over the cross-domain permission granting and revocation mechanisms to manage the delegation path,prevent information leakage caused by malicious node interception,and effectively protect data integrity and *** analysis shows that this method meets the realtime requirements of collaborative interaction in the automotive industry chain and provides a feasible solution to permission delegation issues in the automotive industry chain,offering dynamic flexibility in authorization and scalability compared to most existing solutions.

关键词： Automotive industry chain cross-domain access block chain delegate authority trust assessment

Mesospheric tide comparisons at low latitudes observed by two collocated meteor radars

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Earth and Planetary Physics 2025年第1期9卷 54-68页

作者： Jian li Wen Yi XiangHui Xue jie Zeng HaiLun Ye JianYuan Wang JinSong chen Na li TingDi chen Chinese Academy of Sciences(CAS)Key Laboratory of Geospace Environment Department of Geophysics and Planetary SciencesUniversity of Science and Technology of ChinaHefei 230026China CAS Center for Excellence in Comparative Planetology Anhui Mengcheng Geophysics National Observation and Research StationUniversity of Science and Technology of ChinaHefei 230026China Hefei National Laboratory University of Science and Technology of ChinaHefei 230026China Collaborative Innovation Center of Astronautical Science and Technology Harbin 150001China National Key Laboratory of Electromagnetic Environment China Research Institute of Radiowave PropagationQingdao 266107China Yunnan Kunming Electromagnetic Environment National Observation and Research Station Qujing Kunming 655000China

Accurate knowledge of mesospheric winds and waves is essential for studying the dynamics and climate in the mesosphere and lower thermosphere(MLT)*** this study,we conduct a comparative analysis of the mesosphere tidal results obtained from two adjacent meteor radars at low latitudes in Kunming,China,from November 2013 to December *** two radars operate at different frequencies of 37.5 MHz and 53.1 MHz,***,overall good agreement is observed between the two radars in terms of horizontal winds and tide *** results show that the dominant tidal waves of the zonal and meridional winds are diurnal and semidiurnal ***,we conduct an exhaustive statistical analysis to compare the tidal amplitudes and vertical wavelengths recorded by the dual radar systems,which reveals a high degree of alignment in tidal *** investigation includes variances and covariances of tidal amplitudes,which demonstrate remarkable consistency across measurements from both *** finding highlights clear uniformity in the mesospheric tidal patterns observed at low latitudes by the two neighboring meteor *** of the comparative analysis specifically underscore the significant correlation in vertical wavelength measurements,validating the robustness of radar observations for tidal research.

关键词： mesosphere and lower thermosphere region meteor radar mesospheric winds tides

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意向性、语言与个体化

科学技术哲学研究 2020年第1期37卷 27-32页

作者：陈丽杰复旦大学哲学学院

我们知觉到的都是单个的个体,然而语言中真正具有解释意义的是那些表达共相的词语,但我们既能够认识共相也能够认识殊相。这个事实揭示了我们语言所具有的意向性,这种意向性使得我们能够超越共相而指向个体,超越语言而抵达世界。而这一... 详细信息

我们知觉到的都是单个的个体,然而语言中真正具有解释意义的是那些表达共相的词语,但我们既能够认识共相也能够认识殊相。这个事实揭示了我们语言所具有的意向性,这种意向性使得我们能够超越共相而指向个体,超越语言而抵达世界。而这一切的基础则是我们意识的意向性,正是意向性在我们这个一切皆流的世界中将世界个体化,进而通过语言将世界转化成一个相对静止的、具有固定意义的世界。对于这个过程而言,我们自身既是这个过程的发起者,也是这个过程的产物。

关键词：意向性个体化语言共相世界

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直角坐标采样时的圆柱度误差数学模型

东北大学学报（自然科学版） 2005年第7期26卷 677-679页

作者：陈立杰张镭张玉东北大学机械工程与自动化学院辽宁沈阳110004

根据国家标准中有关圆柱度误差的定义,建立了任意空间位置回转表面圆柱度误差的最小二乘数学模型,该模型的坐标原点可以任意选取,各离散采样点之间也不要求为等角度间隔·用计算机进行了仿真分析·结果表明,该模型的计算结果与仿真结果... 详细信息

根据国家标准中有关圆柱度误差的定义,建立了任意空间位置回转表面圆柱度误差的最小二乘数学模型,该模型的坐标原点可以任意选取,各离散采样点之间也不要求为等角度间隔·用计算机进行了仿真分析·结果表明,该模型的计算结果与仿真结果十分吻合,由评定模型引入的误差极小,可以忽略不计·在此模型基础上,采用四维无约束的最优化直接算法,可求得符合最小条件的圆柱度误差值·该模型既可用于三坐标测量机也可用于其他智能量仪测量零件的圆柱度误差·

关键词：直角坐标圆柱度误差数学模型最小二乘法仿真

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同轴度误差的数模研究

东北大学学报（自然科学版） 2007年第4期28卷 549-552页

作者：陈立杰张镭张玉东北大学机械工程与自动化学院辽宁沈阳110004

根据国家标准中有关同轴度误差的定义,建立了任意空间位置回转表面同轴度误差的最小二乘数学模型,该模型的坐标原点可以任意选取,各离散采样点之间也不要求为等角度间隔.用计算机进行了仿真分析,结果表明:该模型具有理论的正确性和实际... 详细信息

根据国家标准中有关同轴度误差的定义,建立了任意空间位置回转表面同轴度误差的最小二乘数学模型,该模型的坐标原点可以任意选取,各离散采样点之间也不要求为等角度间隔.用计算机进行了仿真分析,结果表明:该模型具有理论的正确性和实际的可行性.在所建立的数学模型的基础上,采用四维无约束的最优化的直接算法,可求得符合最小条件的同轴度误差值.建立的数学模型既可用于三坐标测量机也可用于其他智能量仪测量零件的同轴度误差.

关键词：直角坐标同轴度误差数学模型最小二乘法仿真

Nanoimprint lithography-assisted block copolymer self-assembly for hyperfine fabrication of magnetic patterns based on L10-FePt nanoparticles

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Science China Chemistry 2025年

作者： jie Zhang Yi chen Guijun li Zelin Sun Zhengong Meng Wai-Yeung Wong Department of Applied Biology and Chemical Technology and Research Institute for Smart Energy The Hong Kong Polytechnic University The Hong Kong Polytechnic University Shenzhen Research Institute Division of Integrative Systems and Design and Department of Electronic and Computer Engineering The Hong Kong University of Science and Technology School of Flexible Electronics (Future Technology) and Institute of Advanced Materials (IAM) Nanjing Tech University

L10-FePt-type bit-patterned media has provided a promising alternative for ultrahigh-density magnetic recording systems in the current digital era, but rapid fabrication of magnetic patterns with hyperfine bit islands is still challenging, especially with the target for miniaturization and scalable production simultaneously. Herein, Fe,Pt-containing block copolymers were utilized as single-source precursors for solution-processable patterning and subsequent generation of the demanding magnetic FePt dots by in situ pyrolysis. High-throughput nanoimprint lithography was initially employed to fabricate the predefined bit cells precisely,and then the intrinsic self-assembly of phase-separated block copolymers further drove the formation of accurate bit *** from the synergistic effect of top-down lithographic approach and bottom-up self-assembly, the customizable patterns could be achieved for large-scale mass production in targeted areas, but high-density isolated dots could also be accurately aligned along the patterned features after subsequent self-assembly. This reliable strategy would provide a good avenue to precisely construct ultrahigh-density magnetic data storage devices.

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5种原料制备功能红曲米的性能比较

食品与发酵工业 2017年第10期43卷 203-206,227页

作者：陈丽洁巴音郭楞职业技术学院新疆库尔勒841000

通过比较5种原料制备的功能红曲米的色价及洛伐他汀含量,寻找制备高色价及高洛伐他汀含量红曲米的原料。文中通过对比淀粉琼脂培养基分离得到的红曲霉与购买的紫红曲菌种制备大米红曲的培养时间与色价,确定制备功能红曲米的菌种,再分别... 详细信息

通过比较5种原料制备的功能红曲米的色价及洛伐他汀含量,寻找制备高色价及高洛伐他汀含量红曲米的原料。文中通过对比淀粉琼脂培养基分离得到的红曲霉与购买的紫红曲菌种制备大米红曲的培养时间与色价,确定制备功能红曲米的菌种,再分别以大米、小米、小麦、白色高粱米和薏米为原料制备功能红曲米,检测其色价及洛伐他汀含量并对结果进行分析。结果显示:对5种功能红曲米性能进行比较,确定所需培养时间:大米8 d,小米8 d,小麦12 d,高粱米10 d,薏米7 d。色价:大米30.45,小米20.42,小麦19.76,高粱米35.54,薏米39.80。主要功能成分洛伐他汀含量在15.34~31.92 mg/g,其中高粱米中洛伐他汀含量最高为31.92 mg/g。薏米适合制备高色价的红曲米,高粱米更适合制备洛伐他汀含量高的红曲米。

关键词：制备功能红曲米性能比较