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172篇 您的检索式:作者名="Xu SS"
    题名 作者 年代 出处 被引量
1Difference in response of chlorophyll fluorescence parameters to strong light between wheat and soybean leaves显示文摘UPPER leaves of higher plants are often exposed to strong sunlight around noon on clear days,Hong, SS Xu, DQ 1997Chinese Science Bulletin1997,42,8:25
2The Qitai radio telescope显示文摘This study presents a general outline of the Qitai radio telescope(QTT)project.Qitai,the site of the telescope,is a county of Xinjiang Uygur Autonomous Region of China,located in the east Tianshan Mountains at an elevation of about 1800 m.The QTT is a fully steerable,Gregorian-type telescope with a standard parabolic main reflector of 110 m diameter.The QTT has adopted an umbrella support,homology-symmetric lightweight design.The main reflector is active so that the deformation caused by gravity can be corrected.The structural design aims to ultimately allow high-sensitivity observations from 150 MHz up to115 GHz.To satisfy the requirements for early scientific goals,the QTTwill be equipped with ultra-wideband receivers and large field-of-view multi-beam receivers.A multi-function signal-processing system based on RFSo C and GPU processor chips will be developed.These will enable the QTT to operate in pulsar,spectral line,continuum and Very Long Baseline Interferometer(VLBI)observing modes.Electromagnetic compatibility(EMC)and radio frequency interference(RFI)control techniques are adopted throughout the system design.The QTT will form a world-class observational platform for the detection of lowfrequency(nano Hertz)gravitational waves through pulsar timing array(PTA)techniques,pulsar surveys,the discovery of binary black-hole systems,and exploring dark matter and the origin of life in the universe.The QTT will also play an important role in improving the Chinese and international VLBI networks,allowing high-sensitivity and high-resolution observations of the nuclei of distant galaxies and gravitational lensing systems.Deep astrometric observations will also contribute to improving the accuracy of the celestial reference frame.Potentially,the QTT will be able to support future space activities such as planetary exploration in the solar system and to contribute to the search for extraterrestrial intelligence.Na Wang Qian Xu Jun Ma Zhiyong Liu Qi Liu Hailong Zhang Xin Pei Maozheng Chen Richard N.Manchester Kejia Lee Xingwu Zheng Hans J.Kärcher Wulin Zhao Hongwei Li Dongwei Li Martin Süss Matthias Reichert Zhongyi Zhu Congsi Wang Mingshuai Li Rui Li Ning Li Guljaina Kazezkhan Wenming Yan Gang Wu Lang Cui Ming Zhang Haitao Li 2023Science China(Physics,Mechanics & Astronomy)2023,66,8:14
3Efficacy of tablet Huperizine-A on memory, Cognition and behavior in AD显示文摘Xu Ss Gao Zx Weng Z 1995Acta Pharmacol sin1995,16,:1
4Liver transplantation for hepatoeellular carcinoma: Hangzhou experiences 显示文摘Zheng SS Xu X Wu J 2008Transplantation2008,85,12:1
5Induction of apoptosis in human keratinocytes containing mutated p53 alleles and its inhibition by both the E6 and E7 oncoproteins显示文摘Magal SS Jaekman A Xu FP 1998Int J Cancer1998,75,1:1
6Induction of apoptosis in human keratinocytes containing mutated p53 alleles and its inhibition by both the E6 and E7 oncoproteins显示文摘Magal SS J ackman A Xu FP 1998Int J Cancer1998,75,1:1
7Attenuation of acute phase shear stress by somatostatin improves small-for-size liver graft survival显示文摘Xu X Man K Zheng SS 2006Liver Transpl2006,12,:1
8Efficacy of tablet huperzine on memory, congnition, and behavior in AD显示文摘XU SS GAO ZX WENG Z 1995Acta Pharmool Sin1995,16,2:1
9Ab-sence of the adenosine A2A receptor confers pulmonary arterial hy-pertension and increased pulmonary vascular remodeling in mice显示文摘Xu MH Gong YS Su MS Dai ZY Dai SS Bao SZ 2011J Vasc Res2011,48,2:1
10Liver transplantation for hepatocellu- lar carcinoma: Hangzhou experiences 显示文摘Zheng SS Xu X Wu J 2008Transplantation2008,85,12:1
11Determination of polybrominated diphenyl ethers in human semen 显示文摘Liu PY Zhao YX Zhu YY Qin ZF Ruan XL Zhang YC Chen B J Li Y Yan SS Qin XF Fu S Xu XB 2012Environ Int2012,,42:1
12Apoptosis and proliferation of intrahepatic bile duct after ischemia-repefusion injury显示文摘Xu WH Ye QF Xia SS 2004Hepatob Pancreat Dis Int2004,3,3:1
13Huperzine A capsules enhance memory and learning performance in 34 pairs of matched adolescents显示文摘SUN SS XU SS PAN JL 1999Zhongguo Yali Xuebao1999,20,7:1
14A 90- day subchronic oral toxicity study of triterpene enriched extract from Alismatis Rhizo- ma in ratsm 显示文摘HUANG MQ XU W WU SS 2013Food Chem Toxico12013,58,:1
15Estimating genetic diversity in New Guinea Impatiens using AFLP markers 显示文摘Can- J Xu M Korban SS 2003Acta Hort2003,,623:1
16Phosphatidic acid: a potential signal transducer for cardiac hypertrophy显示文摘Dhala NS Xu YJ Sheu SS 1997J Mol Cell Cardiol1997,29,11:1
17DNA-methylation alterations and exchanges during in vitro cellular differentiation in rose (Rosa hybnda L)显示文摘Xu ML Li XQ Korban SS 2004Theor Appl Genet2004,109,5:1
18Emission of polycyclic aromatic hydrocarbons in China显示文摘XU SS LIU WX TAO S 2006Environmental Science and Technology2006,40,:1
19Liver transplantation for hepatocellular carcinoma:Hangzhou experiences显示文摘ZHENG SS XU X WU J 0,,12:1
20A review of clinical pathway data of 1,663 total knee arthroplasties in a tertiary institution in Singapore 显示文摘Xu GG Sathappan SS Jaipaul J 2008Ann Acad Med Singapore2008,37,11:1
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