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A search for double-peaked narrow emission line galaxies and AGNs in the LAMOST DR1

Research in Astronomy and Astrophysics 2014年第10期14卷 1234-1250页

作者： zhi-Xin Shi A-li Luo Georges Comte Xiao-yan Chen Peng Wei Yong-Heng Zhao fu-Chao Wu yan-Xia zhang Shi-Yin Shen Ming yang Hong Wu xue-Bing Wu Hao-Tong zhang Ya-Juan Lei Jian-Nan zhang Ting-Gui wang Ge Jin Yong zhang Key Laboratory of Optical Astronomy National Astronomical ObservatoriesChinese Academy of Sciences National Laboratory of Pattern Recognition Institute of AutomationChinese Academy of Sciences University of Chinese Academy of Sciences Aix-Marseille Universite&CNRS Institut PytheasLAM(Laboratoire d'Astrophysique de Marseille)UMR7326F-13388 Marseille Shanghai Astronomical Observatory Chinese Academy of Sciences Department of Astronomy Peking University University of Science and Technology of China Nanjing Institute of Astronomical Optics & Technology National Astronomical ObservatoriesChinese Academy of Sciences

The Large Sky Area Multi-Object Fiber Spectroscopic Telescope （LAMOST） has released more than two million spectra, which provide the opportunity to search for double-peaked narrow emission line （NEL） galaxies and active galactic nuclei （AGNs）. The double-peaked narrow-line profiles can be well modeled by two velocity components, respectively blueshifted and redshifted with respect to the sys- temic recession velocity. This paper presents 20 double-peaked NEL galaxies and AGNs found from LAMOST DR1 using a search method based on a multi-Gaussian fit of the narrow emission lines. Among them, ten have already been published by other authors, either listed as genuine double-peaked NEL objects or as asymmetric NEL objects, and the remaining ten are original discoveries. We discuss some pos- sible origins for the double-peaked narrow-line features, such as interaction between jet and narrow line regions, interaction with companion galaxies, and black hole bina- ries. Spatially resolved optical imaging and/or follow-up observations in other spectral bands are needed to further discuss the physical mechanisms at work.

关键词： galaxies emission lines -- quasars emission lines -- methods dataanalysis

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Incidence and prognosis of olfactory and gustatory dysfunctions related to SARS-CoV-2 Omicron strain infection in China:A national multicenter survey of 35,566 individuals

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World Journal of Otorhinolaryngology-Head and Neck Surgery 2024年第2期10卷 113-120页

作者： Meng-Fan liu Rui-Xia Ma Xian-Bao Cao Hua zhang Shui-Hong Zhou Wei-Hong Jiang yan Jiang Jing-Wu Sun Qin-Tai yang xue-Zhong li Ya-Nan Sun li Shi Min wang Xi-Cheng Song fu-Quan Chen Xiao-Shu zhang Hong-Quan Wei Shao-Qing Yu dong-dong Zhu Luo Ba zhi-Wei Cao Xu-Ping Xiao Xin Wei zhi-Hong lin Feng-Hong Chen Chun-Guang Shan Guang-Ke wang Jing Ye Shen-Hong Qu Chang-Qing Zhao Zhen-lin wang Hua-Bin li Feng liu Xiao-Bo Cui Sheng-Nan Ye Zheng liu Yu Xu Xiao Cai Wei Huang Ru-Xin zhang Yu-lin Zhao Guo-dong Yu Guang-Gang Shi Mei-Ping Lu yang Shen Yu-Tong Zhao Jia-Hong Pei Shao-Bing Xie Long-Gang Yu Ye-Hai liu Shao-Wei Gu Yu-Cheng yang Lei Cheng Jian-Feng liu Graduate School of Beijing University of Chinese Medicine BeijingChina Department of Otorhinolaryngology Head and Neck Surgery China-Japan Friendship HospitalBeijingChina Department of Otorhinolaryngology Head and Neck Surgery The First People's Hospital of YinchuanYinchuanChina Department of Otorhinolaryngology The First People's Hospital of Yunnan ProvinceKunmingChina Department of Otorhinolaryngology The First Affiliated Hospital of Xinjiang Medical UniversityUrumqiChina Department of Otorhinolaryngology Head and Neck Surgery The First Affiliated Hospital of Zhejiang University School of MedicineHangzhouChina Department of Otorhinolaryngology Head and Neck Surgery Xiangya Hospital Central South UniversityChangshaChina Department of Otorhinolaryngology Head and Neck Surgery The Affiliated Hospital of Qingdao UniversityQingdaoChina Department of Otorhinolaryngology Head and Neck Surgery The First Affiliated Hospital of USTCHefeiChina Department of Otorhinolaryngology Head and Neck Surgery The Third Affiliated Hospital of Sun Yat-sen UniversityGuangzhouChina Department of Otorhinolaryngology Head and Neck Surgery Qilu Hospital of Shandong UniversityJinanChina Department of Otorhinolaryngology Head and Neck Surgery The Second Affiliated Hospital of Harbin Medical UniversityHarbinChina Department of Otolaryngology The Second Hospital of Shandong UniversityShandong UniversityJinanChina Department of Otorhinolaryngology Head and Neck Surgery Peking University People's HospitalBeijingChina Department of Otorhinolaryngology Head and Neck Surgery Yantai Yuhuangding HospitalQingdao UniversityYantaiChina Department of Otorhinolaryngology Head and Neck Surgery Xijing HospitalThe Fourth Military Medical UniversityXi'anChina Gansu Provincial Center for Disease Control and Prevention LanzhouChina Department of Otorhinolaryngology Head and Neck Surgery The First Affiliated Hospital of China Medical UniversityShenyangChina Department of Otorhinolaryngology Head and Neck Surgery Tongji Hospit

Objective:This cross-sectional study aimed to determine the epidemiology of olfactory and gustatory dysfunctions related to COVID-19 in ***:This study was conducted by 45 tertiary Grade-A hospitals in *** and offline questionnaire data were obtained from patients infected with COVID-19 between December 28,2022,and February 21,*** collected information included basic demographics,medical history,smoking and drinking history,vaccination history,changes in olfactory and gustatory functions before and after infection,and other postinfection symptoms,as well as the duration and improvement status of olfactory and gustatory ***:Complete questionnaires were obtained from 35,566 *** overall incidence of olfactory and taste dysfunction was 67.75%.Being female or being a cigarette smoker increased the likelihood of developing olfactory and taste *** received four doses of the vaccine or having good oral health or being a alcohol drinker decreased the risk of such *** infection,the average olfactory and taste VAS scores were 8.41 and 8.51,respectively;after infection,they decreased to 3.69 and 4.29 and recovered to 5.83 and 6.55 by the time of the *** median duration of dysosmia and dysgeusia was 15 and 12 days,respectively,with 0.5%of patients having symptoms lasting for more than 28 *** overall self-reported improvement rate was 59.16%.Recovery was higher in males,never smokers,those who received two or three vaccine doses,and those that had never experienced dental health issues,or chronic accompanying ***:The incidence of dysosmia and dysgeusia following infection with the SARS-CoV-2 virus is high in *** and prognosis are influenced by several factors,including sex,SARS-CoV-2 vaccination,history of head-facial trauma,nasal and oral health status,smoking and drinking history,and the persistence of accompanying symptoms.

关键词： epidemiologic studies incidence olfactory disorders prognosis SARS-CoV-2 taste disorders

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Transition edge sensor-based detector:from X-ray to γ-ray

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Nuclear Science and Techniques 2022年第7期33卷 61-72页

作者： Shuo zhang Jing-Kai Xia tao Sun Wen-tao Wu Bing-Jun Wu Yong-liang wang Robin Cantor Ke Han Xiao-Peng Zhou Hao-Ran liu fu-You Fan Si-Ming Guo Jun-Cheng liang De-Hong li yan-Ru Song Xu-dong Ju Qiang fu zhi liu Center for Transformative Science ShanghaiTech UniversityShanghai201210China Shanghai Institute of Microsystem and Information Technology Chinese Academy of SciencesShanghai200050China STAR Cryoelectronics 25-A Bisbee CourtSanta FeNM87508-1338USA Shanghai Laboratory for Particle Physics and Cosmology INPAC and Department of Physics and AstronomyShanghai Jiao Tong UniversityShanghai200240China School of Physics Beihang UniversityBeijing100191China Division of Ionizing Radiation National Institute of MetrologyNIMNo.18 Bei San Huan Dong LuChaoyang DistBeijing100029China

A transition edge sensor(TES)is extremely sensitive to changes in temperature,and combined with a high-Z metal of a certain thickness,it can realize high-energy resolution measurements of particles such as X-rays.X-rays with energies below 10 keV have a weak penetrating ability,hence,only gold or bismuth of a few micrometers in thickness can guarantee a quantum efficiency higher than 70%.Therefore,the entire structure of the TES X-ray detector in this energy range can be realized using a microfabrication ***,for X-rays or γ-rays from 10 keV to 200 keV,submillimeter absorber layers are required,which cannot be realized using the microfabrication *** paper first briefly introduces a set of TES X-ray detectors and their auxiliary systems,and then focuses on the introduction of the TES γ-ray detector with an absorber based on a submillimeter lead-tin alloy *** detector achieved a quantum efficiency above 70% near 100 keV and an energy resolution of approximately 161.5 eV at 59.5 keV.

关键词： Synchrotron radiation instrumentation X-ray spectrometers Cryogenic detectors Transition edge sensor

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A New Solar Radio Spectrometer at 1.10-2.06 GHz and First Observational Results

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Chinese Journal of Astronomy and Astrophysics 2005年第4期5卷 433-441页

作者： Hui-Rong Ji Qi-Jun fu Yi-Hua yan Yu-Ying liu zhi-Jun Chen Cheng-Ming Tan Cong-ling Cheng De-Bang Lao Shu-Ke li zhi-Qiang wang Min-Hong Yu Jian-Nong liu li-Kang zhang Ji-Yong Gao National Astronomical Observatories Chinese Academy of Sciences Beijing 100012 Hebei Semiconductor Research Institute Shijiazhuang 050051

An improved Solar Radio Spectrometer working at 1.10-2.06 GHz with much improved spectral and temporal resolution, has been accomplished by the National Astronomical Observatories and Hebei Semiconductor Research Institute,based on an old spectrometer at 1 2 GHz. The new spectrometer has a spectral resolution of 4 MHz and a temporal resolution of 5 ms, with an instantaneous detectable range from 0.02 to 10 times of the quiet Sun flux. It can measure both left and right circular polarization with an accuracy of 10% in degree of polarization. Some results of preliminary observations that could not be recorded by the old spectrometer at 1-2 GHz are presented.

关键词： instrumentation: spectrometer - sun: radio radiation

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Gene-Environment Interactions between Environmental Noise and Apo E4 Causes AD-like Neuropathology in the Hippocampus in Male Rats

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Biomedical and Environmental Sciences 2022年第3期35卷 270-275页

作者： li Wen Long li Yuan Yuan li Yu Xin fu Yu HE Xian zhi tao Fei yan YOU Ruo Lan zhang Ruo Yu ZHONG Ming Qing CHI Hui Min ZHAI Qing Feng School of Public Health Weifang Medical UniversityWeifang 261042ShandongChina Community Healthcare Center of Baoshan Street Office Health Bureau of Licheng DistrictJinan 250000ShandongChina Weifang Maternal and Child health Hospital Weifang 261042ShandongChina

Experimental evidence has demonstrated that environmental hazards can induce neurodegeneration such as Alzheimer's disease(AD)^([1]).The pathogenesis of AD,characterized by a gradual cognitive decline,overproduction ofβ-amyloid(Aβ),and hyperphosphorylated tau in specific brain areas,is considered to involve the interaction of several internal(individual)and external environmental factors.

关键词： Alzheimer Aβ tau

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酒糟厌氧发酵-气化耦合制备燃气环境影响评价

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环境工程 2024年第1期42卷 63-71页

作者：张笑颜王智李志宇李健颜蓓蓓左晓宇杨改秀陶俊宇陈冠益天津大学环境科学与工程学院天津300072 北京化工大学环境科学与工程系北京100029 中国科学院广州能源所中国科学院可再生能源重点实验室广东省新能源和可再生能源研究开发与应用重点实验室广州510640 天津商业大学机械工程学院天津300134

厌氧发酵-气化耦合技术是一种高效的生物质燃气化技术,具备显著的能源转化优势。为准确评估厌氧发酵程度对该耦合系统环境效益的影响,利用全生命周期分析方法,通过Gabi软件对所建立的不同厌氧发酵时间下酒糟厌氧发酵-气化耦合制备燃气... 详细信息

厌氧发酵-气化耦合技术是一种高效的生物质燃气化技术,具备显著的能源转化优势。为准确评估厌氧发酵程度对该耦合系统环境效益的影响,利用全生命周期分析方法,通过Gabi软件对所建立的不同厌氧发酵时间下酒糟厌氧发酵-气化耦合制备燃气模型进行环境影响评价。结果表明:厌氧发酵-气化梯度耦合反应系统基于能量流产生的环境正面影响可抵消基于物质流产生的环境负面影响,从而使系统获得正面的综合环境效益。厌氧发酵时间为8 d时系统环境影响结果最优,其环境影响潜值为-2.02×10^(-9)。对厌氧发酵-气化耦合系统的耦合程度进行控制,可在优化系统能量收益的同时产生最有利的环境影响,从而为耦合技术的应用提供理论指导。

关键词：酒糟厌氧发酵-气化耦合生命周期评价环境影响

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Impact of main vessel calcification on procedural and clinical outcomes of bifurcation lesion undergoing provisional single-stenting intervention: a multicenter, prospective, observational study

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Journal of Geriatric Cardiology 2019年第2期16卷 156-163页

作者： Jing BAI yan YUE Hong-Qi FENG Shu-Xin HAO liang PENG Ming zhang Shaheena Nazneen li-Feng liU Zhe TANG Xiao-lin YU Yu-tao XIE fu-Xiang SHAN Ming-zhi SHEN Jiang-tao wang xue-Hua WAN Yun-Dai CHEN Yu wang Department of Cardiology Chinese PLA General HospitalBeijingChina People's Hospital of Rongcheng Shandong eChina Clifford Hospital GuangdongChina Hengshui Cardiovescular Hospital HebeiChina fuwai Central China Cardiovascular Hospital HenanChina Lab Aid Cardiac Hospital DhanmondiDhaka.Bangladesh Heart Center Beijing Chaoyang HospitalCapital Medical UniversityBeijingChina Emergency and Critical Care Center Beijing Anzhen HospitalCapital Medical UniversityBeijing Institute of Heart Lung and Blood Vessel DiseaseBeijingChina People's Hospital of Xinjiang Uygur Autonomous Region XinjiangChina The People's Hospital in Jimusar XinjiangChina Hainan Branch of Chinese PLA General Hospital HainanChina

Background Few data on the combined effects of bifurcation and calcification on coronary artery disease(CAD)patients undergoing percutaneous coronary intervention(PCI)are *** study evaluated the impact of main vessel(MV)calcification on the procedural and long-term outcomes in patients with CAD who underwent provisional single stent *** This is a multicenter,prospective,observational *** with bifurcation lesions were enrolled at 10 PCI centers in China from January 2015 to December *** ultrasound or optical coherence tomography was performed in all patients to evaluate the MV *** were treated with provisional single stent strategy using drug eluting stents and followed-up at 1 month,6 months and 12 months after discharge by telephone contact or outpatient *** coronary imaging was performed within one *** compared the procedural success rates in MV and in side branch(SB),and target lesion failure(TLF),defined as a composite of cardiac death,non-fatal myocardial infarction,definite or possible stent thrombosis and target lesion revascularization between patients with and without MV *** A total of 185 subjects were enrolled according to the inclusion and exclusion criteria of this *** calcification was detected in 119(64.3%,calcification group)and not found in 66(35.7%,non-calcification group)*** angiographic success rate of MV was 95.8%in the calcification group and 97.0%in the non-calcification group(P=0.91);the angiographic success rate of SB was 32.8%in the calcification group and 53.0%in the non-calcification group(P<0.05).During the one-year follow-up period,TLF occurred in 14(11.8%)patients in the calcification group and in 13(19.7%)in the non-calcification group{P=0.31).Multivariate regression analysis showed the same result(HR=1.23,95%CI:0.76-1.52,P=0.47).Calcification on group had higher recurrent angina than non-calcification group(13.51%vs.17.65%,P

关键词： Bifurcation lesion Coronary artery disease Coronary calcification Percutaneous coronary intervention

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皖产桐桔梗祛痰、平喘、止咳、抗炎有效部位筛选

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中国现代中药 2024年第4期26卷 635-644页

作者：汪鑫蕊常相伟智楠楠王举涛韩彦琪李颖张小波桂双英安徽中医药大学药学院安徽合肥230012 省部共建安徽道地中药材品质提升协同创新中心安徽合肥230012 安徽省中医药科学院药物制剂研究所安徽合肥230012 药物制剂技术与应用安徽省重点实验室安徽合肥230012 现代药物制剂安徽省工程技术研究中心安徽合肥230012 天津药物研究院天津市中药质量标志物重点实验室天津300462 安徽中医药大学第一附属医院安徽合肥230012 中国中医科学院中药资源中心道地药材品质保障与资源持续利用全国重点实验室北京100700

目的:揭示皖产桐桔梗发挥祛痰、平喘、止咳、抗炎活性的有效部位。方法:采用回流提取法和大孔吸附树脂技术制备桐桔梗不同提取分离部位;采用小鼠酚红祛痰模型筛选桐桔梗祛痰有效部位;采用磷酸组胺联合氯化乙酰胆碱致小鼠哮喘模型筛选桐... 详细信息

目的:揭示皖产桐桔梗发挥祛痰、平喘、止咳、抗炎活性的有效部位。方法:采用回流提取法和大孔吸附树脂技术制备桐桔梗不同提取分离部位;采用小鼠酚红祛痰模型筛选桐桔梗祛痰有效部位;采用磷酸组胺联合氯化乙酰胆碱致小鼠哮喘模型筛选桐桔梗平喘有效部位;采用浓氨水喷雾致小鼠咳嗽模型筛选桐桔梗止咳有效部位;采用二甲苯致小鼠耳廓肿胀炎性反应模型筛选桐桔梗抗炎有效部位。结果:桐桔梗乙醇提取物、20%乙醇洗脱部位、70%乙醇洗脱部位均显示出不同程度的祛痰、平喘、止咳、抗炎作用,其中桐桔梗70%乙醇洗脱部位的活性最强,且呈量效关系。桐桔梗70%乙醇洗脱部位可显著增加小鼠气管酚红排泄量(P<0.001),显著延长磷酸组胺联合氯化乙酰胆碱致哮喘小鼠的引喘潜伏期并减少小鼠抽搐跌倒只数(P<0.001),明显延长浓氨水引咳小鼠的咳嗽潜伏期(P<0.001)并改善其肺部组织损伤,显著降低浓氨水引咳小鼠的咳嗽次数及其血清中肿瘤坏死因子-α(TNF-α)、白细胞介素-1β(IL-1β)、IL-6的水平(P<0.001),显著降低二甲苯致耳廓肿胀小鼠的耳廓肿胀度及其血清中TNF-α、IL-1β、IL-6的水平(P<0.01,P<0.001)。结论:70%乙醇洗脱部位是桐桔梗发挥祛痰、平喘、止咳、抗炎作用的主要活性部位,为阐明桐桔梗药效物质基础及作用机制提供数据支撑。

关键词：桐桔梗有效部位祛痰止咳平喘抗炎

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In vitro anti-inflammatory effects of different solution fractions of ethanol extract from Melilotus suaveolens Ledeb

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Chinese Medical Journal 2007年第22期120卷 1992-1998页

作者： zhang Xiao-yu tao Jun-yan ZHAO Lei HUANG zhi-jun XIONG fu-liang zhang Shu-ling li Chong-ming XIAO Fei College of life Science and Technology Huazhong University of Science and Technology Wuhan 430074 China Department of Hepatology and Infectious Disease Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China Hubei Engineering Technology Center of Modernization Traditional Chinese Medicine Wuhan 430054 China

Background Melilotus suaveolens Ledeb （M. suaveolens Ledeb） has long been used as a folk medicine in inflammation-related therapy. This study was undertaken to determine the anti-inflammatory effect of the plant. Methods Petroleum ether fraction, ethyl acetate fraction, n-butanol fraction, aqueous fraction were obtained from ethanol extract of M. suaveolens Ledeb and evaluated by high performance liquid chromatography （HPLC）. While dexamethasone （DM） was used as a positive control, the effects of different solution fractions of ethanol extract on tumor necrosis factor α （TNF-α） mRNA, cyclooxygenase 2 （COX-2） mRNA, COX-2 and nuclear factor KB （NF-KB） of LPS-stimulated RAW 264.7 cells were studied by real-time PCR, Westem blot analysis and immunocytochemical assay, respectively. Results Coumarin was one of the main ingredients in different solution fractions of ethanol extract except the aqueous fraction with no inflammatory effect. The petroleum ether fraction, ethyl acetate fraction and n-butanol fraction of ethanol extract could inhibit the production of TNF-α mRNA, COX-2 mRNA and NF-KB to some extent. Conclusions Different solution fractions of ethanol extract from M. suaveolens Ledeb had similar anti-inflammatory effect as did dexamethasone except the aqueous fraction. Coumarin was likely to be essential to the anti-inflammatory effect, and other ingredients might attribute to their different anti-inflammatory effects from the HPLC fingerprint.

关键词： Melilotus suaveolens Ledeb high performance liquid chromatography fingerprint anti-inflammatory RAW 264. 7 cells

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Nitridation:A simple way to improve the catalytic performance of hierarchical porous ZSM-5 in benzene alkylation with methanol

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Chinese Chemical Letters 2017年第2期28卷 482-486页

作者： Jing-Hui Lyu Hua-Lei Hu Jia-Yao Rui Qun-Feng zhang Jie Cen Wen-Wen Han Qing-tao wang Xiao-Kun Chen zhi-yan Pan Xiao-Nian li Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis TechnologyHangzhou 310032China Department of Environmental Engineering Zhejiang University of TechnologyHangzhou 310032China

Nitrided hierarchical porous ZSM-5 was synthesized by nitridation of hierarchical porous ZSM-5 with flowing ammonia at elevated *** samples were characterized by XRD,SEM,Nitrogen sorption isotherms,NH3-TPD and Py-IR,and evaluated in alkylation of benzene and *** result indicated that the high specific surface area of parent ZSM-5 was maintained,while the Bronsted acidity was effectively adjusted by ***,the high suppression of ethylbenzene was observed on nitrided catalyst and this could be attributed to the decrease of Bronsted acidity which suppressed the methanol to olefins reactions.

关键词： Nitridation Hierarchical porous ZSM-5 Benzene alkylation with methanol Ethylbenzene

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