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68篇 您的检索式:作者名="Daniel Pan"
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1The enhanced X-ray Timing and Polarimetry mission—eXTP显示文摘In this paper we present the enhanced X-ray Timing and Polarimetry mission—eXTP. eXTP is a space science mission designed to study fundamental physics under extreme conditions of density, gravity and magnetism. The mission aims at determining the equation of state of matter at supra-nuclear density, measuring effects of QED, and understanding the dynamics of matter in strong-field gravity. In addition to investigating fundamental physics, eXTP will be a very powerful observatory for astrophysics that will provide observations of unprecedented quality on a variety of galactic and extragalactic objects. In particular, its wide field monitoring capabilities will be highly instrumental to detect the electro-magnetic counterparts of gravitational wave sources.The paper provides a detailed description of:(1) the technological and technical aspects, and the expected performance of the instruments of the scientific payload;(2) the elements and functions of the mission, from the spacecraft to the ground segment.ShuangNan Zhang Andrea Santangelo Marco Feroci YuPeng Xu FangJun Lu Yong Chen Hua Feng Shu Zhang Sφren Brandt Margarita Hernanz Luca Baldini Enrico Bozzo Riccardo Campana Alessandra De Rosa YongWei Dong Yuri Evangelista Vladimir Karas Norbert Meidinger Aline Meuris Kirpal Nandra Teng Pan Giovanni Pareschi Piotr Orleanski QiuShi Huang Stephane Schanne Giorgia Sironi Daniele Spiga Jiri Svoboda Gianpiero Tagliaferri Christoph Tenzer Andrea Vacchi Silvia Zane Dave Walton ZhanShan Wang Berend Winter Xin Wu Jean J.M.in't Zand Mahdi Ahangarianabhari Giovanni Ambrosi Filippo Ambrosino Marco Barbera Stefano Basso Jörg Bayer Ronaldo Bellazzini Pierluigi Bellutti Bruna Bertucci Giuseppe Bertuccio Giacomo Borghi XueLei Cao Franck Cadoux Francesco Ceraudo TianXiang Chen Yu Peng Chen Jerome Chevenez Marta Civitani Wei Cui WeiWei Cui Thomas Dauser Ettore Del Monte Sergio Di Cosimo Sebastian Diebold Victor Doroshenko Michal Dovciak YuanYuan Du Lorenzo Ducci QingMei Fan Yannick Favre Fabio Fuschino JoséLuis Ga'lvez Min Gao MingYu Ge Olivier Gevin Marco Grassi QuanYing Gu YuDong Gu DaWei Han Bin Hong Wei Hu Long Ji ShuMei Jia WeiChun Jiang Thomas Kennedy Ingo Kreykenbohm Irfan Kuvvetli Claudio Labanti Luca Latronico Gang Li MaoShun Li Xian Li Wei Li ZhengWei Li Olivier Limousin HongWei Liu XiaoJing Liu Bo Lu Tao Luo Daniele Macera Piero Malcovati Adrian Martindale Malgorzata Michalska Bin Meng Massimo Minuti Alfredo Morbidini Fabio Muleri Stephane Paltani Emanuele Perinati Antonino Picciotto Claudio Piemonte JinLu Qu Alexandre Rachevski Irina Rashevskaya Jerome Rodriguez Thomas Schanz ZhengXiang Shen LiZhi Sheng JiangBo Song LiMing Song Carmelo Sgro Liang Sun Ying Tan Phil Uttley Bo Wang DianLong Wang GuoFeng Wang Juan Wang LangPing Wang YuSa Wang Anna L.Watts XiangYang Wen Jörn Wilms ShaoLin Xiong JiaWei Yang Sheng Yang YanJi Yang Nian Yu WenDa Zhang Gianluigi Zampa Nicola Zampa Andrzej A.Zdziarski AiMei Zhang ChengMo Zhang Fan Zhang Long Zhang Tong Zhang Yi Zhang XiaoLi Zhang ZiLiang Zhang BaoSheng Zhao ShiJie Zheng Yu Peng Zhou Nicola Zorzi J.Frans Zwart 2019Science China(Physics,Mechanics & Astronomy)2019,62,2:11
2Inhibition of Mcl-1 enhances cell death induced by the Bcl-2-selective inhibitor ABT-199 in acute myeloid leukemia cells显示文摘Acute myeloid leukemia(AML)is a serious disease.The 5-year survival rates remain frustratingly low(65%for children and 26%for adults).Resistance to frontline chemotherapy(usually cytarabine)often develops;therefore a new treatment modality is needed.Bcl-2 family proteins play an important role in balancing cell survival and apoptosis.The antiapoptotic Bcl-2 family proteins have been found to be dysregulated in AML.ABT-199,a BH3 mimetic,was developed to target antiapoptotic protein Bcl-2.Although ABT-199 has demonstrated promising results,resistance occurs.Previous studies in AML show that ABT-199 alone decreases the association of proapoptotic protein Bim with Bcl-2,but this is compensated by increased association of Bim with prosurvival protein Mcl-1,stabilizing Mcl-1,resulting in resistance to ABT-199.In this study,we investigated the antileukemic activity of the Mcl-1-selective inhibitor A-1210477 in combination with ABT-199 in AML cells.We found that A-1210477 synergistically induced apoptosis with ABT-199 in AML cell lines and primary patient samples.The synergistic induction of apoptosis was decreased upon Bak,Bax and Bim knockdown.While A-1210477 treatment alone also increased Mcl-1 protein levels,combination with ABT-199 reduced binding of Bim to Mcl-1.Our results demonstrate that sequestration of Bim by Mcl-1,a mechanism of ABT-199 resistance,can be abrogated by combined treatment with the Mcl-1 inhibitor A-1201477.Daniel A Luedtke Xiaojia Niu Yihang Pan Jianyun Zhao Shuang Liu Holly Edwards Kang Chen Hai Lin Jeffrey W Taub Yubin Ge 2017Signal Transduction and Targeted Therapy2017,2,1:11
3Typical atmospheric haze during crop harvest season in northeastern China:A case in the Changchun region显示文摘This study presents the mass concentrations of PM_(2.5),O_3,SO_2 and NOxat one urban,one suburban and two rural locations in the Changchun region from September 25 to October 272013. Major chemical components of PM_(2.5)at the four sites were daily sampled and analyzed. Most of daily concentrations of SO_2(7–82 μg/m^3),O_3(27–171 μg/m^3) and NOx(14–213 μg/m^3) were below the limits of the National Ambient Air Quality Standard(NAAQS)in China. However,PM_(2.5)concentrations(143–168 μg/m^3) were 2-fold higher than NAAQS.Higher PM_(2.5)concentrations(~ 150 μg/m^3) were measured during the pre-harvest and harvest at the urban site,while PM_(2.5)concentrations significantly increased from 250 to400 μg m^(-3) at suburban and rural sites with widespread biomass burning. At all sites,PM_(2.5)components were dominated by organic carbon(OC) and followed by soluble component sulfate(SO_4^(2-)),ammonium(NH_4^+) and nitrate(NO_3^-). Compared with rural sites,urban site had a higher mineral contribution and lower potassium(K^+and K) contribution to PM_(2.5).Severe atmospheric haze events that occurred from October 21 to 23 were attributed to strong source emissions(e.g.,biomass burning) and unfavorable air diffusion conditions.Furthermore,coal burning originating from winter heating supply beginning on October 18 increased the atmospheric pollutant emissions. For entire crop harvest period,the Positive Matrix Factorization(PMF) analysis indicated five important emission contributors in the Changchun region,as follows: secondary aerosol(39%),biomass burning(20%),supply heating(18%),soil/road dust(14%) and traffic(9%).Wei Wei Chen Daniel Q.Tong Mo Dan Shi Chun Zhang Xue Lei Zhang Yue Peng Pan 2017Journal of Environmental Sciences2017,29,4:10
4Mating system and genetic diversity of a rare desert legume Ammopiptanthus nanus (Leguminosae)显示文摘Ammopiptanthus nanus is an endangered evergreen shrub endemic to the deserts of central Asia and plays an important role in delaying further desertification. We examined allozyme variation and AFLP diversity in A. nanus populations and investigated the mating system of this species using progeny arrays assayed for poly-morphic allozyme loci. Mating system analysis in the Keyi'eryongke'er population showed low levels of out-crossing, and strong inbreeding depression. Low levels of genetic variation were detected at both population (allozyme, Pp=14.0%, A=1.14, He=0.031; AFLP, Pp=14.5%, Shannon's information index I=0.063) and species (allozyme, Pp=21.1%, A=1.21, He=0.040; AFLP, Pp=20.9%, I=0.083) levels; while moderate genetic differentiation existed among populations, as indicated by allozymes (GST=0.081) and AFLP (GST=0.151-0.193). Founder effect, bottlenecks in evolutionary history, the mixed mating system and co-ancestry may have influenced the level of genetic diversity in A. nanus. Markers of both types provide new insights for conservation management, indicating that the Biao'ertuokuoyi and Keyi'eryongke'er populations should be given priority for in situ conservation and regarded as seed sources for ex situ conservation.Guo-Qing CHEN Hong-Wen HUANG Daniel J CRAWFORD Bo-Rong PAN Xue-Jun GE 2009Journal of Systematics and Evolution2009,47,1:2
5Simulating the dynamics of fluid-cylinder interactions显示文摘We present the simulation of the dynamics of fluid-cylinder interactions in a narrow three-dimensional channel filled with a Newtonian fluid, using a Lagrange multiplier based fictitious domain methodology combined with a finite element method and an operator splitting technique. As expected, a settling truncated cylinder turns its broadside perpendicular to the main stream direction and the center of mass moves to the central axis of the channel. In the case of two truncated cylinders, they first move around each other for a while and then stay together in a 'T' shape. After the 'T' shape has been formed for a long enough time, we found no vortex shedding behind the cylinders. When simulating the fluidization of 60 truncated cylinders, we captured the features of interactions among fluidized cylinders as observed in experiments.PAN Tsorng-Whay GLOWINSKI Roland JOSEPH Daniel D. 2005Journal of Zhejiang University-Science A(Applied Physics & Engineering)2005,6,2:2
6Porous carbon spheres via microwave-assisted synthesis for capacitive deionization显示文摘Yong Liu Likun Pan Taiqiang Chen Xingtao Xu Ting Lu Zhuo Sun Daniel H.C. Chua 2015Electrochimica Acta2015,,:2
7Surface Ozone in Jiuzhaigou National Park, Eastern Rim of the Qinghai-Tibet Plateau, China显示文摘Located in southwestern China, Jiuzhaigou National Park is one of the most popular tourism destinations in China, famous for its unique aquatic ecosystems and beautiful forests. However, plants in the park may be at high ozone risk as a result of the intensive use of diesel tour buses in the park. In addition, Jiuzhaigou is close to a region with relatively high regional anthropogenic NO x emissions. During the growing season, also the peak season of tourism, we measured ozone concentration at two sites within the Park and these were: Jiuzhaigou Bureau (JB) and Long Lake (LL). The results indicate that ozone concentrations were not high enough to cause foliar injury during the monitoring period, although the risk of ozone to plants was higher in spring than in summer and autumn. Diurnal ozone cycles at JB and LL displayed significantly higher ozone concentrations in the daytime than in the nighttime, suggesting photochemical production of ozone during the day and ozone deposition during the night as a result of the nocturnal boundary layer. In parallel with the seasonal change of background surface ozone in the Northern Hemisphere, maximum daily 8-h average ozone concentration (MDA8) and daily ozone concentration decreased from spring to autumn at the two sites. This temporal variation in Jiuzhaigou was most likely associated with the downward mixing of ozone-rich air from the free troposphere, because all the high-ozone events (MDA8 > 70.0 ppb) were observed in spring and ozone-rich air from the free troposphere was the dominant cause. In summary, our data suggest that ozone concentrations in Jiuzhaigou were more affected by the regional-scale of background pattern in air quality and meteorological conditions than by local tourist activities.QIAO Xue TANG Ya Daniel JAFFE CHEN Pan XIAO Weiyang DENG Guiping 2012Journal of Mountain Science2012,9,5:2
8Data-Driven Discovery in Mineralogy: Recent Advances in Data Resources, Analysis, and Visualization显示文摘Large and growing data resources on the diversity, distribution, and properties of minerals are ushering in a new era of data-driven discovery in mineralogy. The most comprehensive international mineral database is the IMA database, which includes information on more than 5400 approved mineral species and their properties, and the mindat.org data source, which contains more than 1 million species/locality data on minerals found at more than 300 000 localities. Analysis and visualization of these data with diverse techniques—including chord diagrams, cluster diagrams, Klee diagrams, skyline diagrams, and varied methods of network analysis—are leading to a greater understanding of the co-evolving geosphere and biosphere. New data-driven approaches include mineral evolution, mineral ecology, and mineral network analysis—methods that collectively consider the distribution and diversity of minerals through space and time. These strategies are fostering a deeper understanding of mineral co-occurrences and, for the first time, facilitating predictions of mineral species that occur on Earth but have yet to be discovered and described.Robert M. Hazen Robert T. Downs Ahmed Eleish Peter Fox Olivier C. Gagné Joshua J. Golden Edward S. Grew Daniel R. Hummer Grethe Hystad Sergey V. Krivovichev Congrui Li Chao Liu Xiaogang Ma Shaunna M. Morrison Feifei Pan Alexander J. Pires Anirudh Prabhu Jolyon Ralph Simone E. Runyon Hao Zhong 2019Engineering2019,5,3:2
9LDL-C levels,lipid-lowering treatment and recurrent stroke in minor ischaemic stroke or TIA显示文摘Background and purpose Dyslipidaemia is a major risk factor for ischaemic stroke and transient ischaemic attack(TIA).This study aimed to investigate the association between baseline low-density lipoprotein cholesterol(LDL-C)level,lipid-lowering treatment and short-term risk of new stroke in patients with a minor ischaemic stroke or TIA.Methods We derived data from the Clopidogrel in High-risk patients with Acute Non-disabling Cerebrovascular Events trial.Patients with a minor stroke or TIA were categorised by LDL-C level at baseline(<2.6 or≥2.6 mmol/L(100 mg/dL))and with or without lipid-lowering treatment after symptom onset.The primary outcome was a new ischaemic stroke at 3 months.The association of baseline LDL-C level,lowering treatment and outcomes were assessed.Results Among 3027 patients,2154(71.2%)patients had an initial LDL-C≥2.6 mmol/L,of which 1267(41.9%)received lipid-lowering treatment.Elevated LDL-C level was associated with a higher risk of new ischaemic stroke at 3 months in patients without lipid-lowering treatment(adj.HR=1.35,95%CI:1.19 to 1.53),but not in those with lipid-lowering treatment(adj.HR=0.99,95%CI:0.82 to 1.19)(p for interaction=0.007).Patients with LDL-C≥2.6 mmol/L had a numerically higher risk of ischaemic stroke(11.8%vs 8.0%,adj.HR=1.37,95%CI:0.96 to 1.96)in those without lipid-lowering treatment.For patients with LDL-C≥2.6 mmol/L,lipid-lowering treatment was associated with reduced risk of ischaemic stroke at 3 months(7.9%vs 11.8%;adj.HR=0.54,95%CI:0.39 to 0.75).Conclusions Elevated untreated baseline LDL-C level was associated with an increased short-term risk of ischaemic stroke among patients presenting with minor ischaemic stroke or TIA.There was potential benefit of lipid-lowering treatment in minor stroke or TIA patients with LDL-C≥2.6 mmol/L.Trial registration number NCT00979589.Yuesong Pan Runqi Wangqin Hao Li Aoming Jin Jiejie Li Jinxi Lin Xia Meng Ying Xian Daniel T Laskowitz Yongjun Wang 2022Stroke & Vascular Neurology2022,7,4:2
10Origin and interstate spread of a New York City multidrug-resistant Mycobacterium tuberculosis clone family 显示文摘Bifani PJ Plikaytis BB Kapur V Stockbauer K Pan X Lutfey ML Moghazeh SL Eisner W Daniel TM Kaplan MH Crawford JT Musser JM Kreiswirth BN 1996JAMA1996,275,6:1
11Disparities in Chinese Economic Development : Approaches on Different Levels of Aggregation 显示文摘Carsten H P Daniel K Jiancheng Pan 2002Economic System2002,,26:1
12Spatial pattern of coniferous and deciduous forest patches in an Eastern North America agricultural landscape: the influence of land use and physical attributes显示文摘Daiyuan Pan Gérald Domon Danielle Marceau André Bouchard 2001Landscape Ecology2001,,2:1
13Disparities in Chinese Economic Development Approaches on Different Levels of Aggregation显示文摘Hermann-Pillath Carsten Kirchert Daniel Pan Jiancheng 0,,26:1
14Disparities in Chinese economic development: approaches on different levels of aggre- gation显示文摘Carsten H P Daniel K Jiancheng Pan 2002Economic System2002,26,:1
15Greenhouse gas mitigation in agriculture显示文摘Smith Pete Martino Daniel Cai Zucong Gwary Daniel Janzen Henry Kumar Pushpam McCarl Bruce Ogle Stephen O&apos Mara Frank Rice Charles Scholes Bob Sirotenko Oleg Howden Mark McAllister Tim Pan Genxing Romanenkov Vladimir Schneider Uwe Towprayoon Sirintornt 2007Philosophical Transactions of The Royal Society B2007,,1492:1
16Observation of Three-photon Greenberger-Horne-Zeilinger Entanglement 显示文摘BOUWMEESTER D PAN J W DANIELL M 1999PhysRevLett1999,82,:1
17Observation of three-photon Greenberger-Home-Zeilinger entanglement 显示文摘Bouwmeester D Pan J W Daniell M 1999Phys Rev Lett1999,82,:1
18Enantioselectivity in Estrogenic Potential and Uptake of Bifenthrin显示文摘Lumei Wang Weiping Liu Caixia Yang Zhiyan Pan Jianying Gan Chao Xu Meirong Zhao and Daniel Schlenk 2007Environmental Science & Technology2007,41,17:1
19Greenhouse gas mitigation in agriculture显示文摘Smith Pete Martino Daniel Cai Zucong Gwary Daniel Janzen Henry Kumar Pushpam McCarl Bruce Ogle Stephen O&apos Mara Frank Rice Charles Scholes Bob Sirotenko Oleg Howden Mark McAllister Tim Pan Genxing Romanenkov Vladimir Schneider Uwe Towprayoon Sirintorn 20072007 (1492)2007,,1492:1
20Experimental Demonstration of Four-Photon Entanglement and High-Fidelity Teleportation 显示文摘Jian-Wei Pan Matthew Daniell Sara Gasparoni 2001Phys Rev Lett2001,86,:1
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