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38篇 您的检索式:作者名="LEIF R"
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1瑞典沿海生境生态系统的物产与服务:生态系统变迁的鉴别、评估和意义显示文摘人口高密度和经济快速发展使沿海地区处于多种威胁之中。这种状况如何影响人类福利及人类对生态系统物产与服务的依赖呢?本文首次对温带地区沿海主要生境(大型海藻、海草、翡翠贻贝床和无植被软海底)的生态系统物产与服务状况进行了评估。作者将40多种物产和服务细分为供给服务、调节服务和文化服务。作者列举了各类中瑞典境内各种生态系统服务的实例,包括经济价值和不同生境相对重要性评估。例如,具有极大重要性的翡翠贻贝对缓解富营养化的作用、沙质海滩的休闲娱乐功能、海草和大型藻类对渔产、波浪能和海流能的作用。本文评估了3种沿海生态系统变化对生态系统物产与服务的影响:1)海草床变为无植被海底;2)无植被浅水软海底向丝状藻类基质转变;3)坚硬基质上大型藻类向贻贝的转变。文章结尾部分对生物多样性评估、生态系统的普遍联系性和潜在经济价值等从管理角度进行了讨论。Patrik Rnnbck Nils Kautsky Leif Pihl Max Troell Tore Sderqvist Hkan Wennhage 梁虹 2007AMBIO-人类环境杂志2007,36,B11:2
2Tissue-specific transcriptional imprinting and heterogeneity in human innate lymphoid cells revealed by full-length single-cell RNA-sequencing显示文摘The impact of the microenvironment on innate lymphoid cell(ILC)-mediated immunity in humans remains largely unknown.Here we used full-length Smart-seq2 single-cell RNA-sequencing to unravel tissue-specific transcriptional profiles and heterogeneity of CD127+ILCs across four human tissues.Correlation analysis identified gene modules characterizing the migratory properties of tonsil and blood ILCs,and signatures of tissue-residency,activation and modified metabolism in colon and lung ILCs.Trajectory analysis revealed potential differentiation pathways from circulating and tissue-resident naïve ILCs to a spectrum of mature ILC subsets.In the lung we identified both CRTH2+and CRTH2−ILC2 with lung-specific signatures,which could be recapitulated by alarmin-exposure of circulating ILC2.Finally,we describe unique TCR-V(D)J-rearrangement patterns of blood ILC1-like cells,revealing a subset of potentially immature ILCs with TCR-δ rearrangement.Our study provides a useful resource for in-depth understanding of ILC-mediated immunity in humans,with implications for disease.Luca Mazzurana Paulo Czarnewski Viktor Jonsson Leif Wigge Markus Ringnér Teresa CWilliams Avinash Ravindran Åsa KBjörklund Jesper Säfholm Gunnar Nilsson Sven-Erik Dahlén Ann-Charlotte Orre Mamdoh Al-Ameri Charlotte Höög Charlotte Hedin Sylwester Szczegielniak Sven Almer Jenny Mjösberg 2021Cell Research2021,31,5:2
3Monoclonal antibody to 5 - Bromo and 5 - Iodo - deoxyuridine:a new reagent for detection of DNA replication显示文摘GRATZNER H G LEIF R C 1982Science1982,218,:1
4The role of alkenes produced during hydrous pyrolysis of a shale显示文摘LEIF R N SIMONEIT B R T 2000Organic Geochemistry2000,31,11:1
5Population-based pediatric reference intervals for general clinical chemistry analytes on the Abbott Architect ci8200 instrument显示文摘Peter Ridefelt Mattias Aldrimer Per-Olof R?d?? Frank Niklasson Leif Jansson Jan Gustafsson Dan Hellberg 2012Clinical Chemistry and Laboratory Medicine2012,,5:1
6Measurement of laser parameters for simulation of High speed fiberoptic systems 显示文摘 Arne Ryset Lars Hafskjr Dagfinn Myhre 1996J of Lightwave Technology1996,14,5:1
7Measuring optimism-pessimism from beliefs about future显示文摘Leif W Anne S R 2000Personality and Individual Difference2000,28,:1
8Effect of high hydrostatic pressure on the steadystate kinetics of tryptic hydrolysis of β-Lactogloblin 显示文摘Olsen K Kristian R K Leif H S 2003Food Chemistry2003,80,:1
9A Compliant,Underactuated Hand for Robust Manipulation (in press)显示文摘LAEL U O LEIF P J MARK R C 0,,:1
10Ketones in hydrothermal petroleums and sediment extracts from Guaymas Basin, Gulf of California 显示文摘Leif R N Simoneit B R T 1995Organic Geochemistry1995,23,:1
11The role of alkenes produced during hydrous pyrolysis of a shale显示文摘Leif R N Simoneit B R T 2000Organic Geochemistry2000,31,:1
12Clinical outcome 1 year after transurethral vaporization and resection of the prostate显示文摘 Leif H Hahn R G 2000Urology2000,55,2:1
13Effect of harvest at different times of day on the physical and chemical characteristics of vegetable-type soybean 显示文摘Santana A C Carrao-Panizzi M C Leife R S 2012Ciencia Tecnologia Alimentos2012,32,2:1
14Development of instrumentation and fluorochromes for automated multiparameter analysis of cells 显示文摘LEIF R THOMAS R A YOPP T A WATSON B D GUARINO V R HINDMAN D H 1977Clin Chem1977,23,:1
15Role of endothelin in intermittent hypoxia-induced hypertension显示文摘Nancy L Benjimen R Leif D 2001Hypertension2001,37,:1
16The Turning of a Screw:Social Resource Scarcity As a Bottle-neck in Adaptation to Water Scarcity显示文摘Leif Ohlsson Turton A R 2000Stockholm Water Front2000,,1:1
17建筑教育的新兴教学法--TRANSark(建筑教育变革性学习)方法显示文摘TRANSark(建筑教育变革性学习)项目是一个结合了研究和实践的项目,是由挪威科技大学建筑与艺术学院与教育发展部门联合设立的。leif m.hokstad gro rФdne steffen wellinger bjФrn otto braathen luca finocchiaro 2017住区2017,,3:1
18Identification of oxidized and reduced forms of the strong bacterial mutagen (Z) 2-chloro-3 (dichloromethyl)-4-oxobutenoic acid (MX) in extracts of chlorine- treated water显示文摘Leif K Russell F Christman R S 1991Environment Science Technology1991,25,1:1
19Complexation of trace organic contaminants with fractionated dissolved organic matter:implications for mass spectrometric quantification显示文摘SELENE H R SAMANTHI W LEIF A 2013Chemosphere2013,91,3:1
20查看详情显示文摘Benoit C Laurent C Adele R Franck T. Francois C. Mohammed B. Yann P. Errol B. Amanda S. Leif H. Fabrice O. Stephane J 0,,:1
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