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Acute flaccid paralysis and neurogenic respiratory failure associated with enterovirus D68 infection in children: Report of two cases

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World Journal of Clinical Cases 2021年第14期9卷 3327-3333页

作者： Yv Zhang Sheng-Yuan Wang Da-Zhi guo shu-Yi Pan yan Lv Department of Hyperbaric Oxygen The Sixth Medical Center of PLA General HospitalBeijing 100048China

BACKGROUND Acute flaccid paralysis(AFP)and neurogenic respiratory failure rarely occur in *** the end of 2018,some children with such symptoms were admitted to our *** this study,we aimed to assess two children with AFP and neurogenic respiratory failure associated with enterovirus D68(EV-D68).CASE SUMMARY Two children admitted to our hospital presented with symptoms and imaging results different from those of acute disseminated encephalomyelitis and hand,foot,and mouth *** main symptoms were AFP and neurogenic respiratory *** resonance imaging showed severe inflammatory injury mainly to the anterior horn cells of the spinal *** and cerebrospinal fluid samples were collected to assess for pathogens,including bacteria,tuberculosis,cryptococcus,herpes virus,and coxsackie virus,and the results were *** the beginning,the two cases were not assessed for EV-D68 in the nasopharyngeal,blood,and cerebrospinal fluid *** 2 mo later,EVD68 was detected in the stool sample of one of the *** symptom of AFP was caused by injury to the anterior horn cells at levels C5-L5 of the spinal cord,while neurogenic respiratory failure was at levels *** We should pay attention to the detection and diagnosis of EV-D68 and make efforts to develop antivirus drugs and vaccines.

关键词： Infection Enterovirus D68 Flaccid Paralysis Neurogenic Respiratory failure Case report

The momentum distributions of triatomic molecular ion H_(3)^(2+) by intense laser pulses

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Communications in Theoretical Physics 2023年第6期75卷 112-119页

作者： Zhi-Xian Lei shu-Juan yan Xin-Yu Hao Pan Ma Sheng-Peng Zhou Jing guo Institute of Atomic and Molecular Physics Jilin UniversityChangchun 130012China

We investigate theoretically the photoionization of triatomic molecular ion H_(3)^(2+) by numerically solving the two-dimensional time-dependent Schrödinger equations under Bohn-Oppenheimer *** results show that the photoelectron momentum distributions(PMDs)of H_(3)^(2+) with different initial states are strongly dependent on the laser ellipticities and molecular orbital symmetry,and the PMDs of degenerate electronic states E^(±)are mirror ***,for degenerate electronic states E^(±),vortex structures appear in the PMDs by the counter-rotating circularly polarized laser pulses as the time delay between the two pulses increases,which can be explained by multicenter ionization and ultrafast photoionization model.

关键词： momentum distribution ringlike molecules intense laser fields

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驱控一体的旋拧式果实采摘执行器设计与试验

农机化研究 2025年第3期47卷 48-55页

作者：严童杰冯青春郭鑫杨宁江苏大学电气信息工程学院江苏镇江212000 北京市农林科学院智能装备技术研究中心北京100097 国家农业智能装备工程技术研究中心北京100097 农业智能装备技术北京市重点实验室北京100097

针对果园智能化采收作业需要,设计了支持总线扩展的驱控一体旋拧采摘末端执行器,旨在为多臂并行采摘机器人研发提供支撑。在对标准苹果树果实物理形态统计分析基础上,结合人工采摘方法,提出了“吸附-夹持-旋拧”的采摘机械操作方法,并... 详细信息

针对果园智能化采收作业需要,设计了支持总线扩展的驱控一体旋拧采摘末端执行器,旨在为多臂并行采摘机器人研发提供支撑。在对标准苹果树果实物理形态统计分析基础上,结合人工采摘方法,提出了“吸附-夹持-旋拧”的采摘机械操作方法,并设计了基于双舵机驱动的紧凑型采摘执行机构,对其吸盘、夹持和旋拧电机的关键参数进行了优化设计。面向多执行并行采摘需要,设计了基于CANopen通讯的采摘操作驱动器,实现了多执行器的总线扩展。通过现场试验对执行器作业性能进行了测试,结果表明:果实大小在60~100 mm之间,采摘成功率可达到90%,吸盘最优停留时间为1.00 s,吸盘最优接近距离为1.0 mm,最优旋拧角度为360°。

关键词：采摘机器人驱控一体旋拧采摘 CANopen

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工科专业课课程思政的学理自洽与建构理路

林区教学 2025年第1期 24-28页

作者：闫泽陆郭燚上海海事大学物流工程学院上海201306

思政价值的隐匿属性为工科专业核心课“三全育人”的实施带来较大难度。教师对课程思政学理性的认知差异和实践差距让潜隐价值的具象化难以合理消解。为此,以“电力系统分析基础”课程为例,通过理念辩误,明确知识与价值同向同频的逻辑... 详细信息

思政价值的隐匿属性为工科专业核心课“三全育人”的实施带来较大难度。教师对课程思政学理性的认知差异和实践差距让潜隐价值的具象化难以合理消解。为此,以“电力系统分析基础”课程为例,通过理念辩误,明确知识与价值同向同频的逻辑自洽。阐释工科思政“关键在教师,核心在内容,成效在学生”的基本方略。从师资培训、元素共议、学生评价角度探索课程思政的实施路径。

关键词：课程思政学理思政元素工科专业课

Microstructure Characterization of a Complex Branched Low-density Polyethylene

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Chinese Journal of Polymer Science 2015年第3期33卷 508-522页

作者： yan-hu Xue yan-di Fan shu-qin Bo 姬相玲 State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of Sciences University of Chinese Academy of Sciences

A low-density polyethylene （LDPE） resin with excellent processing and film-forming properties is fractionated through temperature rising elution fractionation （TREF） technique. The chain structures of both the original resin and its fractions are further analyzed using high-temperature gel permeation chromatography （GPC） coupled with triple detectors （refractive index （RI）-light scattering （LS）-viscometer （VIS））, ^13C-nuclear magnetic resonance spectroscopy （^13C-NMR）, Fourier transform infrared spectroscopy （FTIR）, differential scanning calorimetry （DSC） and successive self- nucleation/annealing （SSA） thermal fractionation. The ^13C-NMR results show that the original resin has both short chain branch （SCB）（2.82 mol%） and long chain branch （LCB）（0.52 mol%） structures. The FTIR results indicate that the methyl numbers （per 1000 C） of the fractions gradually decrease from 81 to 46 with increasing elution temperature from 25 ℃ to 75 ℃. The TREF-GPC cross-fractionation results show that the main component is collected at around 68 ℃. The molecular weight of the components in the high elution temperatures of 60 ℃ to 75 ℃ is from 2.0× 10^3 g/mol to 2.0 × 10^6 g/mol, and the relative amount is more than 80%. In the low elution temperature region below 50 ℃, the molecular weights of the components range from 1.0 × 10^3 g/mol to 1.6 × 10^4 g/mol, and the relative amount is less than 10%. In the DSC results, the melting peaks of the fractions gradually increase from 80.1℃ to 108.8 ℃ with elution temperature. In the SSA thermal fractionation, each resin fraction shows a broad range of endotherm with multiple melting peaks （more than eight peaks）. The melting peaks shift toward high temperatures with the elution temperature. The characteristic chain microstructure for the resin is also discussed in detail.

关键词： Polyethylene Cross-fractionation Microstructure Characterization TREF.

Highly accurate theoretical study on spectroscopic properties of SH including spin–orbit coupling

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Chinese Physics B 2021年第7期30卷 209-215页

作者： shu-Tao Zhao Xin-Peng Liu Rui Li Hui-Jie guo Bing yan Key Laboratory of Functional Materials and Devices for Informatics of Anhui Higher Education Institutes School of Physics and Electronic ScienceFuyang Normal UniversityFuyang 236037China Institute of Atomic and Molecular Physics Jilin UniversityChangchun 130012China Department of Physics College of ScienceQiqihar UniversityQiqihar 161006China

The multi-reference configuration interaction method plus Davidson correction(MRCI+Q)are adopted to study the low-lying states of SH with consideration of scalar relativistic effect,core-valence(CV)electron correlation,and spin–orbit coupling(SOC)*** SOC effect on the low-lying states is considered by utilizing the full Breit–Pauli *** potential energy curves(PECs)of 10Λ–S states and 18?states are *** dipole moments of 10Λ–S states are calculated,and the variation along the internuclear distance is explained by the electronic *** the help of calculated SO matrix elements,the possible predissociation channels of A^(2)Σ+,c4Σ-and F^(2)Σ-are *** Franck–Condon factors of A^(2)Σ^(+)–X^(2)Π,F^(2)Σ^(-)–X^(2)Πand E^(2)Σ^(+)–X^(2)Πtransitions are determined,and the radiative lifetimes of A^(2)Σ+and F^(2)Σ-states are evaluated,which are in good agreement with previous experimental results.

关键词： SH MRCI+Q potential energy curves spin–orbit coupling

High-Performance Hardware Implementation of the 3GPP Algorithm KASUMI

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The Journal of China Universities of Posts and Telecommunications 2006年第1期13卷 60-62页

作者： ZHAO Xue guo shu-xu College of Electronic Science and Engineering Jilin University Changehun 130012 P.R. Chins

KASUMI is a block cipher that forms the heart of the 3GPP confidentiality algorithm fS, and the 3GPP integrity algorithm fg. This paper presents a hardware-based high-performance field programmable gate array implementation of the KASUMI algorithm. Our KASUMI implementation uses pipeline techniques and a field programmable gate array device, and outperforms previous published KASUMI implementations in terms both of clock frequency and of throughput.

关键词： KASUMI algorithm mobile communication information security

Study on the modification of inclusions by Ca treatment in GCr18Mo bearing steel

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Advances in Manufacturing 2019年第4期7卷 438-447页

作者： Hong-yan Zheng shu-Qiang guo Meng-Ran Qiao Li-Bin Qin Xiu-Jing Zou Zhong-Ming Ren State Key Laboratory of Advanced Special Steel and Shanghai Key Laboratory of Advanced Ferrometallurgy and School of Materials Science and Engineering Shanghai UniversityShanghai 200444People's Republic of China

The effect of Ca treatment on the modification of inclusions in Al-killed GCr18Mo bearing steel was studied and a thermodynamic and kinetic model was *** experimental results showed that oxygen content in the steel could be reduced from 120ug/g to the range 5.5-21.6ug/g by Al-Ca complex deoxidization at 1873 *** appropriate increase in Ca/Al mass ratio is beneficial to reduce the total oxygen content in *** the content of dissolved aluminum was in the range of 0.03%-0.3%,w让h the increase of Ca/Al mass ratio from 0.8-1.6 to 2.4-3.2,the number of inclusions per unit area significantly *** addition,the main types of inclusions were modified from large-sized Al2O3 clusters to plastic or semiplastic liquid phase calcium *** experimental results matched well with the thermodynamic analysis.

关键词： GCr18Mo bearing steel-Ca treatment Inclusion modification Deoxidization Thermodynamics

Security Risk Prevention and Control Deployment for 5G Private Industrial Networks

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China Communications 2021年第9期18卷 167-174页

作者： Wenfa yan Qin shu Peng Gao China Mobile Group Design Institute Co. Ltd.Hubei BranchWuhan 430024China China Mobile Group Design Institute Co. LtdBeijing 100080China

In this paper,we investigate and analyze the network security risks faced by 5G private industrial *** on current network security architecture and 3GPP requirements and considering the actual application of 5G private industrial networks,a comparative analysis is used to plan and design a private network security construction *** network security construction model,network organization,and key processes of 5G private industrial networks at the current stage are *** addition,the key direction for the next stage of construction is discussed.

关键词： 5G private network network security security risk prevention and control