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11篇 您的检索式:作者名="KLEIKAMP"
    题名 作者 年代 出处 被引量
1Carbon Turnover in a Crop Rotation Under Free Air CO_2 Enrichment (FACE)显示文摘. Mostly based on assumptions derived from controlled-environment studies, predicted future atmospheric CO2 concen- trations [CO2] are expected to have considerable impacts on carbon (C) turnover in agro-ecosystems. In order to allow the in situ examination of C-transformations in the plant-soil system of arable crop rotations under future [CO2], a free air carbon dioxide enrichment (FACE) experiment (550 μmol mol-1 CO2) was started at Braunschweig, Germany in 1999. The crop rotation under investigation comprised winter barley, a cover crop (ryegrass), sugar beets and winter wheat. Assessments of CO2 effects included the determination of above- and belowground biomass production, measurements of canopy CO2- and H2O- fluxes, soil microbial biomass and in situ soil respiration. The results obtained during the 1st crop rotation cycle (3 years) showed that for the selected crops elevated [CO2] entailed significant positive effects (P < 0.05) on aboveground (6%-14% stimulation) and belowground biomass production (up to 90% stimulation), while canopy evapotranspiration was reduced. This resulted in increased soil water content. Also, depending on crop type and season, high CO2 stimulated in situ soil respiration (up to 30%), while soil microbial biomass did not show significant responses to elevated [CO2] during the first rotation cycle.H. J. WEIGEL A. PACHOLSKI S. BURKART M. HELAL O. HEINEMEYER B. KLEIKAMP R. MANDERSCHEID C. FRüHAUF G. F. HENDREY K. LEWIN J. NAGY 2005Pedosphere2005,15,6:12
2Simultaneous aortic and mitral valve replacement in octogenarians:A viable option显示文摘Maleszka A Kleikamp G Zittermann A 2008Ann Thorac Surg2008,86,6:1
3Tricuspid valve replacement: Clinical long-tenn result for acquired isolated tricuspid valve regurgi- tation 显示文摘Maleszka A Kleikamp G Koerfer R 2004J Heart Valve Dis2004,13,:1
4Valve replacement in octo- genarians: arguments for an earlier surgical intervention 显示文摘Piper C Hering D Kleikamp G 2009J Heart Valve Dis2009,18,:1
5Determinants of mid - and long- term results in patients after surgical revascularizationfor isehe- mie cardiomyopathy显示文摘Kleikamp G Maleszka A Reiss N 2003Ann Thorac Surg2003,75,5:1
6显示文摘Kleikamp S Bohm M Froseh P 2006Dtseh Med Wochensehr2006,131,21:1
7Tricuspid valve replacement:clinical long-term results for acquired isolated tricuspid valve regurgitation显示文摘Maleszka A Kleikamp G Koerfer R 2004J Heart Valve Dis2004,13,6:1
8Concurrent binding of anti-EphA3 antibody and ephrin-A5 amplifies EphA3 signaling and downstream responses : potential as ephA3-specific tumor-targeting Reagents 显示文摘Vearing C Lee F T Wimmer- Kleikamp S 2005Cancer Res2005,65,15:1
9Coronary artery and aortic valve disease as a long-term sequel of mediastinal and thoracic irradiation显示文摘Kleikamp G Schnepper U K6rfer R 1997Thora Cardiovasc Surg1997,45,1:1
10Tricuspid valve replacement: clinical long term results for acquired isolated tricuspid valve regurgitation 显示文摘MALESZKA A KLEIKAMP G KOERFER R 2004J Heart Valve Dis2004,13,:1
11Balloon Expandable Sheath for Transfemoral Aortic Valve Implantation: A Viable Option for Patients with Challenging Access显示文摘ZISIS DIMITRIADIS WERNER SCHOLTZ LOTHAR FABER JOCHEN B?RGERMANN GEORG KLEIKAMP DIETER HORSTKOTTE MARCUS WIEMER 2013J Int Cardiol2013,,1:1
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