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Journal of Materials Science & Technology 1999年第4期15卷 331-335页

作者： Zhang, BW ouyang, yf Liao, SZ Jin, ZP Chinese Acad Sci Int Ctr Mat Phys Shenyang 110015 Peoples R China Hunan Educ Inst Dept Phys Changsha 410012 Peoples R China Cent S Univ Technol Dept Mat Sci & Engn Changsha 410083 Peoples R China

A simple analytic modified embedded atom method (MEAM) including a modified term for hcp metals has been developed from the MEAM applied to the fee and bcc metals. The enthalpies of formation of all binary alloy systems for eight transition hcp metals are calculated with the MEAM. The calculations are in agreement with the experimental data available and results calculated from the Miedema theory. One can conclude that our MEAM is also effective to apply to the hcp metals and their alloys.

关键词： Transition metal alloys

Graphene Aerogel Composites with Self‑Organized Nanowires‑Packed Honeycomb Structure for Highly Efficient Electromagnetic Wave Absorption

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Nano-Micro Letters 2025年第2期17卷 533-547页

作者： Xiao You Huiying ouyang Ruixiang Deng Qiuqi Zhang Zhenzhong Xing Xiaowu Chen Qingliang Shan Jinshan Yang Shaoming Dong State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China Key Laboratory of Inorganic Coating Materials CAS Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China Structural Ceramics and Composites Engineering Research Center Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049People’s Republic of China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210People’s Republic of China School of Materials Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China University of Chinese Academy of Sciences Beijing 100039People’s Republic of China

With vigorous developments in nanotechnology,the elaborate regulation of microstructure shows attractive potential in the design of electromagnetic wave ***,a hierarchical porous structure and composite heterogeneous interface are constructed successfully to optimize the electromagnetic loss *** macro–micro-synergistic graphene aerogel formed by the ice template‑assisted 3D printing strategy is cut by silicon carbide nanowires(SiC_(nws))grown in situ,while boron nitride(BN)interfacial structure is introduced on graphene *** unique composite structure forces multiple scattering of incident EMWs,ensuring the combined effects of interfacial polarization,conduction networks,and magnetic-dielectric ***,the as-prepared composites present a minimum reflection loss value of−37.8 dB and a wide effective absorption bandwidth(EAB)of 9.2 GHz(from 8.8 to 18.0 GHz)at 2.5 ***,relying on the intrinsic high-temperature resistance of SiC_(nws) and BN,the EAB also remains above 5.0 GHz after annealing in air environment at 600℃ for 10 h.

关键词： Hierarchical porous structure Interface High-temperature resistance Graphene aerogel composites Electromagnetic wave absorption

低空经济助推新质生产力的运行机理与路径选择

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新疆师范大学学报（哲学社会科学版） 2025年第1期46卷 118-131页

作者：欧阳日辉中央财经大学中国互联网经济研究院北京100081

低空经济是以低空飞行活动为牵引,以有人驾驶和无人驾驶航空器为主要载体,通过技术创新和模式创新推动相关产业融合发展的新型综合性经济形态。低空经济涉及领域和行业多、应用场景多、创新之处多、产业链条长、带动效应强,具有创新驱... 详细信息

低空经济是以低空飞行活动为牵引,以有人驾驶和无人驾驶航空器为主要载体,通过技术创新和模式创新推动相关产业融合发展的新型综合性经济形态。低空经济涉及领域和行业多、应用场景多、创新之处多、产业链条长、带动效应强,具有创新驱动性、空间依赖性、跨界融合性、辐射带动性等技术—经济特征。低空经济通过场景牵引、跨界融合、协同治理,聚焦应用场景,打造低空多场景应用,推动“低空+”物流配送、“低空+”城市空中交通、“低空+”旅游、“低空+”应急救援等规模化发展,在技术创新与制度创新相互嵌套、协同治理的基础上实现健康发展。当前,各地各部门积极抢占低空经济新赛道,通过建设智能互联高效的基础设施、加快低空智能互联航行技术创新、完善产业链增强低空产业韧性和安全等举措因地制宜打造融合创新的应用场景。为促进低空经济发展,应加强产业政策引导与支持,支持低空经济技术创新与研发,推动跨界融合与应用场景创新,完善产业链配套服务体系。

关键词：低空经济新质生产力应用场景科技创新产业创新

Unraveling the mechanism of action of Shangxia Liangji formula for treating insomnia:a metabolomics and network pharmacology approach

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Traditional Medicine Research 2025年第2期10卷 16-29页

作者： Xia-Jie Quan Hao Liang Yong-Hong Tang Li Jiang Xiong-Ying Ji Feng-Ying Zhang Ping Zhang Bo ouyang Department of Information The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China Department of Neurology The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China Department of Gastroscopy The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China Department of Traditional Chinese Medicine The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China

Background:Insomnia is a prevalent clinical condition and Shangxia Liangji formula(SXLJF)is a well-established method of ***,the specific mechanism of action of SXLJF remains ***:The mouse model of insomnia was established by intraperitoneal injection of ***-two mice were randomly divided into a negative control group,model group,SXLJF group(18.72 g/kg/day),and positive control group(diazepam,2 mg/kg)and treated with the corresponding drugs for 7 consecutive *** open field test and pentobarbital-induced sleeping test were ***-MS-based untargeted metabolomics and network pharmacology were applied to explore the potential targets of SXLJF for treating ***,key targets were validated using ***:Behavioral tests demonstrated that SXLJF reduced the total distance,average velocity,central distance,and sleep latency,and prolonged sleep *** and network pharmacology revealed potential targets,signaling pathways,metabolic pathways,and metabolites associated with the anti-insomnia effects of ***,tyrosine hydroxylase(TH)and tyrosine metabolism emerged as crucial metabolic pathways and targets,***-qPCR results supported the role of TH in the mechanism of SXLJF in treating ***:In conclusion,TH and tyrosine metabolism may represent significant targets and pathways for SXLJF in treating insomnia.

关键词： Shangxia Liangji formula insomnia metabolomics network pharmacology tyrosine hydroxylase tyrosine metabolism

基于改进BP神经网络的烟草收获机械故障诊断研究

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农机化研究 2025年第4期47卷 70-76页

作者：戴欧阳胡洪林桂林信息科技学院广西桂林541000

烟草收获机械是烟草生产中的重要技术支撑,是提高收获效率的重要保证,但由于烟草收获机械内部结构较为复杂,在使用过程中极易造成机械运行故障。随着大数据及传感器技术的快速发展,基于人工神经网络模型实现机械故障的预测与诊断成为提... 详细信息

烟草收获机械是烟草生产中的重要技术支撑,是提高收获效率的重要保证,但由于烟草收获机械内部结构较为复杂,在使用过程中极易造成机械运行故障。随着大数据及传感器技术的快速发展,基于人工神经网络模型实现机械故障的预测与诊断成为提高烟草收获机械工作效率的重要技术。目前,主要以BP神经网络模型应用较为广泛,但在模型构建中预测效率低、鲁棒性强。针对以上问题,提出一种改进BP神经网络模型,以烟草收获机械中的齿轮故障诊断为研究对象,构建基于GA-BP神经网络模型的烟草收获机械齿轮故障诊断模型,并通过选取齿轮磨损、胶合、裂纹、断齿和正常齿轮的信号进行试验验证。结果表明:改进后的BP神经网络模型MAPE仅为0.87%,RMSE为1.12,MAE为0.92,MSE为1.19,满足烟草收获生产的实际需要,在模型算法与计算速度方面都得到了很大的提高。

关键词：烟草收获机械故障遗传算法 BP神经网络优化模型

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Sulfolane‑Based Flame‑Retardant Electrolyte for High‑Voltage Sodium‑Ion Batteries

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Nano-Micro Letters 2025年第2期17卷 498-516页

作者： Xuanlong He Jie Peng Qingyun Lin Meng Li Weibin Chen Pei Liu Tao Huang Zhencheng Huang Yuying Liu Jiaojiao Deng Shenghua Ye Xuming Yang Xiangzhong Ren Xiaoping ouyang Jianhong Liu Biwei Xiao Jiangtao Hu Qianling Zhang Graphene Composite Research Center College of Chemistry and Environmental EngineeringShenzhen UniversityShenzhen 518060People’s Republic of China Center of Electron Microscopy State Key Laboratory of Silicon and Advanced Semiconductor MaterialsSchool of Materials Science and EngineeringZhejiang UniversityHangzhou 310027People’s Republic of China GRINM(Guangdong)Research Institute for Advanced Materials and Technology FoshanGuangdong 528051People’s Republic of China College of Energy Engineering Zhejiang UniversityHangzhouZhejiang 310027People’s Republic of China School of Materials Science and Engineering Xiangtan UniversityXiangtan 411105People’s Republic of China Shenzhen Eigen-Equation Graphene Technology Co.Ltd Shenzhen 518000People’s Republic of China

Sodium-ion batteries hold great promise as next-generation energy storage ***,the high instability of the electrode/electrolyte interphase during cycling has seriously hindered the development of *** particular,an unstable cathode–electrolyte interphase(CEI)leads to successive electrolyte side reactions,transition metal leaching and rapid capacity decay,which tends to be exacerbated under high-voltage ***,constructing dense and stable CEIs are crucial for high-performance *** work reports localized high-concentration electrolyte by incorporating a highly oxidation-resistant sulfolane solvent with non-solvent diluent 1H,1H,5H-octafluoropentyl-1,1,2,2-tetrafluoroethyl ether,which exhibited excellent oxidative stability and was able to form thin,dense and homogeneous *** excellent CEI enabled the O3-type layered oxide cathode NaNi_(1/3)Mn_(1/3)Fe_(1/3)O_(2)(NaNMF)to achieve stable cycling,with a capacity retention of 79.48%after 300 cycles at 1 C and 81.15%after 400 cycles at 2 C with a high charging voltage of 4.2 *** addition,its nonflammable nature enhances the safety of *** work provides a viable pathway for the application of sulfolane-based electrolytes on SIBs and the design of next-generation high-voltage electrolytes.

关键词： Sodium-ion batteries Sulfolane-based electrolyte High voltage Layered oxide cathode Flame retardant

Integrity constraints in OWL ontologies based on grounded circumscription

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Frontiers of Computer Science 2013年第6期7卷 812-821页

作者： Dantong ouyang College of Computer Science and Technology Jilin University Changchun 130012 China Key Laboratory of Symbolic Computation and Knowledge Engineering Ministry of Education Changchun 130012 China National Engineering Research Center of Geophysics Exploration Instruments Changchun 130026 China

The extensions for logic-based knowledge bases with integrity constraints are rather popular. We put forward an alternative criteria for analysis of integrity constraints in Web ontology language （OWL） ontology under the closed world assumption. According to this criteria, grounded circumscription is applied to define integrity constraints in OWL ontology and the satisfaction of the integrity constraints by minimizing extensions of the predicates in integrity con- straints. According to the semantics of integrity constraints, we provide a modified tableau algorithm which is sound and complete for deciding the consistency of an extended ontol- ogy. Finally, the integrity constraint validation is converted into the corresponding consistency of the extended ontology. Comparing our approach with existing integrity constraint validation approaches, we show that the results of our approach are more in accordance with user requirements than other approaches in certain cases.

关键词： semantic Web description logic ontology integrity constraints grounded circumscription

The Gross conjecture over rational function fields

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Science China Mathematics 2005年第12期48卷 1609-1617页

作者： ouyang Yi Department of Mathematical Sciences Tsinghua UniversityBeijing 100084China

We study the Gross conjecture for the cyclotomic function field extension k(∧f)/k where k = Fq(t) is the rational function field and f is a monic polynomial in Fq[t].We prove the conjecture in the Fermat curve case(i.e., when f = t(t - 1)) by a direct calculation. We also prove the case when f is irreducible, which is analogous to the Weil reciprocity law. In the general case, we manage to show the weak version of the Gross conjecture here.

关键词： Gross conjecture,L-function,Theta-function,Weil reciprocity.

The Universal Kolyvagin Recursion Implies the Kolyvagin Recursion

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Acta Mathematica Sinica,English Series 2007年第7期23卷 1163-1172页

作者： Yi ouyang Department of Mathematical Sciences Tsinghua University

Let Hz. be the universal norm distribution and M a fixed power of prime p. By using the double complex method employed by Anderson, we study the universal Kolyvagin recursion occurring in the canonical basis in the cohomology group H^0（Gz,Hz/MHz）. We furthermore show that the universal Kolyvagin recursion implies the Kolyvagin recursion in the theory of Euler systems. One certainly hopes this could lead to a new way to find new Euler systems.

关键词： Euler system universal distribution Kolyvagin recursion

Holistic Acupuncture approach to idiopathic refractory nausea,abdominal pain and bloating

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World Journal of Gastroenterology 2007年第40期13卷 5360-5366页

作者： Ann ouyang Division of Gastroenterology Hepatology Department of MedicineThe Milton S.Hershey Medical CenterCollege of MedicinePennsylvania State UniversityHersheyPA 17033United States

AIM： To evaluate the effectiveness of a holistic acupuncture approach on nausea, pain, bloating and electrogastrogram （EGG） parameters in patients with intractable symptoms.METHODS： Twelve patients with no or mild nausea （those without nausea had bloating or pain） and 10 with a histool of moderate to severe nausea were referred for acupuncture. All underwent an EGG and were treated at acupuncture points PC6, SP4 and DU20. Visual analog scales （VAS） assessing severity of nausea, pain and bloating were obtained before and after acupuncture treatment. Nineteen patients received three and three patients received two treatments.RESULTS： VAS scores for nausea reflected the clinical assessment and differed significantly between mild and moderate/severe nausea groups. Acupuncture significantly improved severity of nausea in both groups with improved pre-treatment nausea between the first and third treatments in the moderate/severe nausea group. Pain scores improved with acupuncture in the mild nausea group only and bloating improved only with the first treatment in this group. Patients with bloating with VAS scores greater than 35 pre-treatment improved with acupuncture and over all VAS scores for pain improved with treatment. Acupuncture increased the power in the 2.7 to 3.5 cpm range in the EGG.CONCLUSION： In this uncontrolled clinical study, a holistic acupuncture approach significantly improved nausea in patients with refractory symptoms and increased the power in the 2,7-3,5 cpm component of the electrogastrogram, Bloating and pain VAS scores improved acutely with treatment, This study suggests that acupuncture may be effective in this refractory group of patients and further study using appropriate controls is warranted,

关键词： Acupuncture Functional bowel disorder nausea Pain Holistic medicine