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367篇 您的检索式:作者名="Hans SS"
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1The 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
2术前肌电图和脑干听觉诱发电位与面肌痉挛微血管减压术后迟发性面瘫发生的关系(英文)显示文摘Background Delayed facial palsy ( DFP) after microvascular decompression ( MVD) in patients with hemifacial spasm ( HFS) is not uncommon,but the cause remains unknown. Objectives To assess whether intraoperative electromyography ( EMG) and brainstem auditory evoked potential ( BAEP) can predict DFP after MVD. Methods Between September 2009 and February 2011 we examined 86 patients,9 of whom ( 10. 4% ) developed DFP after MVD on the same side. All patients underwent MVD and were followed - up for a median period of 13 months ( range 6-22) . We retrospectively examined intraoperative facial EMG and BAEP findings using our MVD patients' registry. We excluded secondary HFS and immediate postoperative facial palsy after MVD in this study. We assessed the prevalence and clinical characteristics of DFP and compared EMG and BAEP findings between DFP and non-DFP groups. Results: All pa- tients recovered completely,with a mean time to recovery of 37. 8 days ( range 22-57) . There were no significant differences between DFP and non - DFP patients in terms of the amplitude and latency of intraoperative EMG and BAEP. Conclusion The usefulness of intraoperative facial EMG and BAEP is limited and cannot predict DFP after MVD for HFS. We speculate that DFP after MVD is not associated with permanent nerve damage according to the EMG findings.Kim HJ Park YS Ryu JS Huh R Han I Shin DA Kim TG Cho KG Chung SS 2012中华神经外科疾病研究杂志2012,11,4:13
3Robust and rapidly tunable light source for SRS/CARS microscopy with low-intensity noise显示文摘We present a fully automated laser system with low-intensity noise for coherent Raman scattering microscopy.The robust two-color system is pumped by a solid-state oscillator,which provides Stokes pulses fixed at 1043 nm.The tunable pump pulses of 750 to 950 nm are generated by a frequency-doubled fiberfeedback femtosecond optical parametric oscillator.The resulting pulse duration of 1.2 ps provides a viable compromise between optimal coherent Raman scattering signal and the necessary spectral resolution.Thus a spectral range of 1015 to 3695 cm−1 with spectral resolution of<13 cm−1 can be addressed.Heiko Linnenbank Tobias Steinle Florian Morz Moritz Flöss Han Cui Andrew Glidle Harald Giessen 2019Advanced Photonics2019,1,5:4
4Physical properties and stability of two emulsion formulations of propofol显示文摘 Davis SS Washington C 2001International Journal of Pharmaceutics2001,215,12:1
5Neural stem cells and gene therapy:prospectsforrepairing the iniured spinal cord显示文摘Han SS Fischer L 2000JAMA2000,283,17:1
6Grafted lineage-restricted precursors differentiate exclusively into neurons in the adult spinal cord 显示文摘Han SS Rao MS Fischer I 2002Exp Neuro12002,177,2:1
7Inhibitory effects of the ginsenoside Rg3 on phorbol ester-induced cyclooxygenase-2 expression,NF-kappaB activation and tumor promotion显示文摘Keum YS Han SS Chun KS 2003Mutat Res2003,,:1
8Inflammatory markers incord blood or maternal serum for early detection of neo-natal sepsis-a systemic review and meta-analysis 显示文摘Su H Chang SS Han CM 2014JPerinatol2014,34,4:1
9Urinarybiomarkers in the early diagnosis of acute kidney injury 显示文摘HAN WK WAIKAR SS JOHNSON A 2008Kidney Int2008,73,7:1
10Gallbladder Adenomyomatosis: Imaging Findings显示文摘Yoon JH Cha SS Han SS 2006Abdom Imaging2006,31,5:1
11Inhibitory effects of curcumin and capsaicin on phorbol ester-induced activation of eukaryotic transcription factors,NF-kappa B and AP-1显示文摘Surb YJ Han SS Keum YS 2000Biofacters2000,12,14:1
12Synergistic embryotoxieity of combina- tion pyrimethamine and folie acid in rats显示文摘Chung MK Han SS Rola JK 1993Reprod Toxicol1993,7,5:1
13Results of en- dovascular therapy and aortobifemoral grafting for Transatlantic Inter-Society type C and D aortoiliac occlu- sive disease显示文摘Hans SS DeSantis D Siddiqui R 2008Surgery2008,144,4:1
14Effects of inflammatory fac- tors on mesenchymal stem cells and their role in the promotion of tumor angiogenesis in colon cancer显示文摘Liu Y Han ZP Zhang SS 2011J Biol Chem2011,286,25:1
15Caffeine-mediated inhibition of calcium release channel inositol 1,4,5-trisphosphate receptor subtype 3 blocks glioblastoma invasion and extends survival显示文摘KANG SS HAN KS KU BM 2010Cancer Res2010,70,3:1
16ERc regulates chromosome alignment and spindle dynamics during mitosis显示文摘Zhang X Park H Han SS et aI 2015Biochem Biophys Res Commun2015,456,4:1
17Dysnatremia, its correction, and mortality in patients undergoing continuous renal replacement therapy: a prospective observational study显示文摘Han SS Bae E Kim DK 2016BMC Nephrol2016,17,:1
18Urinary biomarkers in the early diagnosis of acute kidney injury 显示文摘Han WK Waikar SS Johnson A 2008Kidney Int2008,73,7:1
19Inhibitory effects of the ginsenoside Rg3 on phorbol ester-induced cyclooxygenase-2 expression,NF-κB activation and tumor promotion显示文摘Keum Y-S Han SS Chun K-S 2003Mutat Res2003,523,:1
20Size and location of thrombus in intact and ruptured abdominal aortic aneu- rysms 显示文摘Hans SS Jareunpoon O Balasubramaniam M 2005J Vasc Surg2005,41,4:1
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