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Identification of temperature anomaly RR Lyrae stars in LAMOST survey,misclassification and binarities

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Research in Astronomy and Astrophysics 2020年第6期20卷 239-252页

作者： Lin-jia Li sheng-Bang Qian jia Zhang jia-jia He Li-Ying Zhu Yunnan Observatories Chinese Academy of SciencesKunming 650216China Key laboratory of the structure and evolution of celestial objects Chinese Academy of SciencesKunming 650216China Center for Astronomical Mega-Science Chinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China

RR Lyrae stars,a well-known type of pulsating variable stars,have been known about for more than a century.A large amount of photometric data on RR Lyrae stars has been accumulated by space-and ground-based sky surveys,but the spectral data are relatively poor.Fortunately,the LAMOST sky survey project provides an opportunity to view them from the point of view of spectra.We collect the atmospheric parameters of 1685 RR Lyrae stars provided by the LAMOST catalog,and carry out research by using the reliable Teff.We find that there is a clear correlation between their Teff and pulsation periods,which is consistent with the pulsation and evolution theories of RR Lyrae stars.In addition,we focus on those RR Lyrae stars with abnormal temperatures.After analyzing the data from several photometric surveys,we find that some of these temperature anomalies are misclassified variable stars(e.g.,eclipsing binaries,pulsating stars on main sequence),and some are RR Lyrae binary candidates.For the latter,the temperatures of potential companions should be lower and their luminosities should not be neglected(e.g.,red giant stars).We obtain that the ratio of temperature anomaly stars to all the sample stars is 4%,which means that the impact on the further analysis(e.g.,kinematics analysis)is low.We also present the catalogs of spectral anomaly RR Lyrae stars.

关键词： techniques spectroscopic-techniques photometric-stars fundamental parameters-stars variables RR Lyrae

Epidemiology of Animal Rabies—China,2010–2020

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China CDC weekly 2021年第39期3卷 815-818页

作者： Ye Feng Jihong Ma sheng Sun Lijuan Chi Zhanying Kou Changchun tu Changchun Veterinary Research Institute Chinese Academy of Agriculture SciencesChangchunJilinChina China Animal Disease Control Center BeijingChina.

Introduction:Rabies is a fatal zoonotic infectious disease that poses a serious threat to public health in China.Since 2005,a National Animal Rabies Surveillance System has been operating to understand the rabies situation in animals in China with a view to control and eventually eliminate dog-mediated human rabies.Methods:From 2010,the brain tissues of dogs,livestock,and wild animals showing rabies-like clinical signs were collected and tested by the National Reference Laboratory(NRL)for Animal Rabies to analyze the epidemiological characteristics of rabies,including animal species,geographic distribution,and transmission sources.Over the same period,clinically suspected animal rabies cases were collected by Animal Disease Control Centers through the National Animal Disease Monitoring Information Platform(NADMIP)and then reported in the Veterinary Bulletin.Results:During 2010–2020,170 of 212 suspected animal rabies cases were submitted to and confirmed by NRL as rabies virus-positive.Of these confirmed cases dogs,especially free-roaming and ownerless dogs in rural areas,were major transmission hosts(71/170).A total of 51 infected dogs attacked humans with 45 biting more than one person.The dog cases were reported all year round,but with significantly more in spring and summer.The majority of livestock rabies cases(70/80)being caused by rabid wild foxes in Xinjiang and Inner Mongolia revealed that foxes play a pivotal role in animal rabies epizootics in the north and northwest of the country.Conclusion:Dogs were the main transmission sources of rabies in China,and along with the recent increase of rabies in foxes and other wildlife,presented an increasing threat to livestock and public health.

关键词： Rabies Animal Epidemiology

Hydrodynamic Behavior of Gap Resonance in Multiple-Box Systems with Sharp and Round Inlet Configurations

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China Ocean Engineering 2023年第5期37卷 849-862页

作者： RAN Ya-qing jiaNG sheng-chao GENG Bao-lei JIN Rui-jia Faculty of Vehicle Engineering and Mechanics Dalian University of TechnologyDalian 116024China National Engineering Research Center for Port Hydraulic Construction Tianjin Research Institute for Water Transport EngineeringM.O.T.Tianjin 300456China

Fluid resonance within narrow gaps in multiple-box systems with sharp and round inlet configurations are investigated by using the potential flow and viscous fluid flow models in the OpenFOAM^(■)package.Evident discrepancy between two numerical models can be observed for sharp inlet configurations.In addition to the dramatical decrease of resonant amplitude in narrow gaps,some peak values at the higher resonant frequencies predicted by the potential flow model even disappear in the viscous fluid flow results.The decreased normalized resonant amplitudes with the increase of incident wave amplitude can be observed for sharp inlet configurations.However,the hydrodynamic behaviors of multiple-box system with round inlet configurations between potential flow and viscous fluid flow models are quite similar with each other.The normalized resonant amplitudes are nearly independent of incident wave amplitudes for multiple-box systems with round inlet configurations.This implies that the energy dissipation associated with fluid viscosity and flow rotation plays an important role in the gap resonance for sharp inlet configurations;while it is insignificant for round inlet configurations.

关键词： fluid resonance multiple boxes sharp edge round edge OpenFOAM

Lamellar aspect-ratio and thickness-dependent strength-ductility synergy in pure nickel during in-situ micro-tensile loading

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Journal of Materials Science & Technology 2023年第26期157卷 89-97页

作者： Zi-Meng Wang Yun-Fei jia Kai-Shang Li Yong Zhang jia-Dong Cai Xian-Cheng Zhang Hiroyuki Hirakata Shan-tung tu Key Laboratory of Pressure Systems and Safety Ministry of EducationSchool of Mechanical and Power EngineeringEast China University of Science and TechnologyShanghai 200237China Department of Mechanical Engineering and Science Kyoto UniversityKyoto daigaku-katsuraNishikyo-kuKyoto 615-8540Japan

In order to overcome the trade-offbetween strength and ductility in traditional metallic materials,the gradient lamellar structure was fabricated through an ultrasound-aided deep rolling technique in pure Ni with high stacking fault energy after heat treatment.The gradient lamellar Ni was successively di-vided into three regions.In-situ micro-tensile tests were performed in different regions to reveal the corresponding microscopic mechanical behaviors.Microscopic characterization techniques were adopted to explore the effects of microstructural parameters and defects on mechanical properties.This work demonstrates that the micro-tensile sample with small lamellar thickness and large aspect ratio possesses excellent strength and ductility when the loading direction is parallel to the long side of lamellar grain boundaries.The finding is helpful to the design of metallic material microstructure with superior com-prehensive properties.On one hand,the reason for high strength is that the strength increases with the decrease of lamellar thickness according to the Hall-Petch effect.Besides,initial dislocation density also participates in the strengthening mechanism.On the other hand,the deformation mechanisms include dislocation slip,grain rotation,and the effects of grain boundaries on dislocations,jointly contributing to good ductility.

关键词： Lamella In-situ micro-tensile test Strength-ductility synergy Aspect ratio Grain rotation

Clinical Practice Guideline for Allergic Rhinitis Treatment with Acupuncture

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Chinese Journal of Integrative Medicine 2021年第2期27卷 83-90页

作者： CHEN sheng GUO sheng-nan Federico Marmori WANG Jun BAI Peng ZHANG jia-jia QU Shu-han ZHAO Ji-ping Department of Acupuncture and Moxibustion Dongzhimen Hospital Affiliated to Beijing University of Chinese MedicineBeijing(100700)China Institute of Acupuncture and Moxibustion China Academy of Chinese Medical SciencesBeijing(100700)China European Foundation of Traditional Chinese Medicine AlicanteSpain Department of Acupuncture Medimar International HospitalAlicanteSpain

With reference to international guidelines for the development of tools—Grading of Recommendations Assessment,Development and Evaluation(GRADE)system approach and reasoning,this practice guideline has been drafted reflecting the characteristics of acupuncture to improve effectiveness and safety of acupuncture treatment for allergic rhinitis.This guideline includes outlining the acupuncture diagnosis and treatment principles for allergic rhinitis,suggesting recommendations and related evidence for the acupuncture treatment of allergic rhinitis,and defining operating methods and precautions for the acupuncture treatment of allergic rhinitis.

关键词： clinical guideline Chinese medicine acupuncture allergic rhinitis

K-doped BaCo_(0.4)Fe_(0.4)Zr_(0.2)O_(3−δ) as a promising cathode material for protonic ceramic fuel cells

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Journal of Advanced Ceramics 2022年第12期11卷 1988-2000页

作者： Peng QIU Bo LIU Lei WU Huiying QI Baofeng tu jian LI Lichao jia School of Materials Science and Engineering Shandong University of Science and TechnologyQingdao 266590China Center for Fuel Cell Innovation School of Materials Science and EngineeringState Key Lab of Materials Processing and Die&Mound TechnologyHuazhong University of Science and TechnologyWuhan 430074China College of Chemical and Biological Engineering Shandong University of Science and TechnologyQingdao 266590China

Slow oxygen reduction reaction(ORR)involving proton transport remains the limiting factor for electrochemical performance of proton-conducting cathodes.To further reduce the operating temperature of protonic ceramic fuel cells(PCFCs),developing triple-conducting cathodes with excellent electrochemical performance is required.In this study,K-doped BaCo_(0.4)Fe_(0.4)Zr_(0.2)O_(3−δ)(BCFZ442)series were developed and used as the cathodes of the PCFCs,and their crystal structure,conductivity,hydration capability,and electrochemical performance were characterized in detail.Among them,Ba_(0.9)K_(0.1)Co_(0.4)Fe_(0.4)Zr_(0.2)O_(3−δ)(K10)cathode has the best electrochemical performance,which can be attributed to its high electron(e^(−))/oxygen ion(O^(2−))/H^(+)conductivity and proton uptake capacity.At 750℃,the polarization resistance of the K10 cathode is only 0.009Ω·cm^(2),the peak power density(PPD)of the single cell with the K10 cathode is close to 1 W·cm^(−2),and there is no significant degradation within 150 h.Excellent electrochemical performance and durability make K10 a promising cathode material for the PCFCs.This work can provide a guidance for further improving the proton transport capability of the triple-conducting oxides,which is of great significance for developing the PCFC cathodes with excellent electrochemical performance.

关键词： proton transport proton-conducting cathode protonic ceramic fuel cells(PCFCs) triple-conducting hydration capability

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聚氧乙烯蓖麻油及其安全性研究进展

药学与临床研究 2010年第1期18卷 59-63页

作者：高鹏涂家生中国药科大学药剂教研室南京210009

聚氧乙烯蓖麻油属于非离子型表面活性剂,是药物制剂中常用的辅料。主要应用于口服、局部和注射给药剂型中,其作用主要作为难溶性药物的乳化剂与增溶剂。由于在临床应用中出现了较多不良反应如急性超敏反应、神经毒性等,限制了其使用的... 详细信息

聚氧乙烯蓖麻油属于非离子型表面活性剂,是药物制剂中常用的辅料。主要应用于口服、局部和注射给药剂型中,其作用主要作为难溶性药物的乳化剂与增溶剂。由于在临床应用中出现了较多不良反应如急性超敏反应、神经毒性等,限制了其使用的广度与深度。本文综述了聚氧乙烯蓖麻油CrEL在药剂学中的最新应用,药理活性与安全性研究概况。为合理的使用与研究含有聚氧乙烯蓖麻油的制剂提供依据。

关键词：聚氧乙烯蓖麻油药理活性超敏反应补体激活

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醋酸亮丙瑞林的临床应用和制剂研究进展

药学与临床研究 2009年第4期17卷 309-315页

作者：刘婧涂家生中国药科大学药剂学教研室南京210009

醋酸亮丙瑞林是视丘下部所产生的黄体生成激素释放激素(LHRH)的高活性衍生物,为合成的两端封闭的水溶性九肽。它可以刺激垂体分泌促性腺激素,诱发生殖器官生成类固醇,长期大量使用会使LHRH受体脱敏,抑制促性腺激素的分泌以及睾丸或卵巢... 详细信息

醋酸亮丙瑞林是视丘下部所产生的黄体生成激素释放激素(LHRH)的高活性衍生物,为合成的两端封闭的水溶性九肽。它可以刺激垂体分泌促性腺激素,诱发生殖器官生成类固醇,长期大量使用会使LHRH受体脱敏,抑制促性腺激素的分泌以及睾丸或卵巢甾类的生成,临床上用来治疗或缓解多种性激素依赖性疾病如前列腺癌、子宫内膜异位症、子宫肌瘤、中枢性性早熟等。但是醋酸亮丙瑞林不易透过生物膜,在胃肠道中不稳定,易被消化酶降解,口服、鼻腔、直肠、阴道途径给药生物利用度极低,所以目前人们针对醋酸亮丙瑞林的非胃肠道给药途径的制剂进行了广泛的研究,有些已经成功开发为上市药品。本文主要就醋酸亮丙瑞林的临床应用及其制剂的研究情况进行综述。

关键词：醋酸亮丙瑞林缓释微球原位成形前列腺癌

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水稻秸秆热压成型工艺参数试验研究

中国农业气象 2016年第1期37卷 26-35页

作者：李安心张传佳涂德浴何贵生安徽工业大学机械工程学院马鞍山243032 农业部设施农业节能与废弃物处理重点实验室北京100081

水稻秸秆冷压成型试验得到的成型燃料能耗较高且质量不佳,为提高水稻秸秆成型燃料质量,本次试验利用水稻秸秆成型设备,在不同成型压力、原料粒径、温度以及含水率等工艺参数条件下对水稻秸秆进行热压成型试验。通过分析成型燃料的物理性... 详细信息

水稻秸秆冷压成型试验得到的成型燃料能耗较高且质量不佳,为提高水稻秸秆成型燃料质量,本次试验利用水稻秸秆成型设备,在不同成型压力、原料粒径、温度以及含水率等工艺参数条件下对水稻秸秆进行热压成型试验。通过分析成型燃料的物理性能,确定各工艺参数最佳选取范围为：粒径0~2mm、温度70~100℃、成型压力8.89~40MPa、含水率12%~25%。为进一步提高水稻秸秆原料成型燃料的质量,提出通过添加木质素含量较高的木屑原料即形成混合原料,并通过对比试验进行研究。结果表明,混合原料可以有效提高水稻秸秆成型燃料的综合质量。

关键词：水稻秸秆木屑热压成型物理性能