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1276篇 您的检索式:作者名="OLSEN M"
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1Shot-noise limited, supercontinuum-based optical coherence tomography显示文摘We present the first demonstration of shot-noise limited supercontinuum-based spectral domain optical coherence tomography(SD-OCT)with an axial resolution of 5.9μm at a center wavelength of 1370 nm.Current supercontinuumbased SD-OCT systems cannot be operated in the shot-noise limited detection regime because of severe pulse-topulse relative intensity noise of the supercontinuum source.To overcome this disadvantage,we have developed a low-noise supercontinuum source based on an all-normal dispersion(ANDi)fiber,pumped by a femtosecond laser.The noise performance of our 90 MHz ANDi fiber-based supercontinuum source is compared to that of two commercial sources operating at 80 and 320 MHz repetition rate.We show that the low-noise of the ANDi fiber-based supercontinuum source improves the OCT images significantly in terms of both higher contrast,better sensitivity,and improved penetration.From SD-OCT imaging of skin,retina,and multilayer stacks we conclude that supercontinuumbased SD-OCT can enter the domain of shot-noise limited detection.Shreesha Rao D.S. Mikkel Jensen Lars Grüner-Nielsen Jesper Toft Olsen Peter Heiduschka Björn Kemper Jürgen Schnekenburger Martin Glud Mette Mogensen Niels Møller Israelsen Ole Bang 2021Light(Science & Applications)2021,10,7:2
2年龄和靶器官损害对24h动态血压预后价值的影响显示文摘靶器官损害标志物和测量24h动态血压可以改善心血管风险分层。随着年龄的增长,靶器官损害和血压升高的发病率增加。该研究目的是评估年龄和靶器官损害对动态血压预测预后价值的影响。黄洁 叶鹏 Olesen TB Stidsen JV Blicher MK Pareek M Rasmussen S Vishram-Nielsen JKK Olsen MH 2017中华高血压杂志2017,25,10:2
3Ethylene resistance in flowering ornamental plants – improvements and future perspectives显示文摘Various strategies of plant breeding have been attempted in order to improve the ethylene resistance of flowering ornamental plants. These approaches span from conventional techniques such as simple cross-pollination to new breeding techniques which modify the plants genetically such as precise genome-editing. The main strategies target the ethylene pathway directly;others focus on changing the ethylene pathway indirectly via pathways that are known to be antagonistic to the ethylene pathway, e.g. increasing cytokinin levels. Many of the known elements of the ethylene pathway have been addressed experimentally with the aim of modulating the overall response of the plant to ethylene. Elements of the ethylene pathway that appear particularly promising in this respect include ethylene receptors as ETR1, and transcription factors such as EIN3. Both direct and indirect approaches seem to be successful, nevertheless, although genetic transformation using recombinant DNA has the ability to save much time in the breeding process, they are not readily used by breeders yet. This is primarily due to legislative issues, economic issues, difficulties of implementing this technology in some ornamental plants, as well as how these techniques are publically perceived, particularly in Europe. Recently, newer and more precise genome-editing techniques have become available and they are already being implemented in some crops. New breeding techniques may help change the current situation and pave the way toward a legal and public acceptance if products of these technologies are indistinguishable from plants obtained by conventional techniques.Andreas Olsen Henrik Lütken Josefine Nymark Hegelund Renate Müller 2015Horticulture Research2015,2,1:2
4Performance and yield stability of maize hybrids in stress-prone environments in eastern Africa显示文摘Identification and deployment of high-yielding and stress-tolerant maize hybrids adapted to stress-prone agro-ecologies is important for improving the food security and livelihoods of smallholder farmers in eastern Africa.The objectives of this study were to(i)assess the performance of maize hybrids under well-watered and drought stress conditions;(ii)evaluate grain yield stability of 65 intermediate-maturing and 55 early-maturing hybrids in 24 well-watered locations and seven drought stress locations;and(iii)identify representative and/or discriminative testing locations for increasing genetic gains for the target traits.There were significant differences for grain yield among early-and intermediatematuring hybrids tested under well-watered and drought stress environments.Among the early-maturing hybrids,the top 10 hybrids produced 46.8%–73.9%and 31.2%–42.1%higher mean grain yields than the best commercial check under drought and well-watered conditions,respectively.Among the intermediate-maturing hybrids,the top 10 hybrids produced 25.2%–47.7%and 8.5%–13.5%higher grain yield than commercial checks under drought stress and well-watered conditions,respectively,suggesting improvement in the levels of drought tolerance in both early-and intermediate-maturing hybrids.GGE biplot analysis and a bi-segmented regression linear method identified specific early-maturing and intermediate-maturing hybrids that performed well under both well-watered and drought stress conditions.These hybrids could be recommended for commercial production in eastern Africa.Kakamega in Kenya was found to be the most representative and highly discriminating site among well-watered testing locations,while Kabuku in Tanzania was the least representative of test locations.For testing under drought stress conditions,Kiboko in Kenya was identified as the most representative location.This information could be useful for allocating resources and streamlining CIMMYT maize hybrid testing in eastern Africa.Wender Santos Rezende Yoseph Beyene Stephen Mugo Eric Ndou Manje Gowda Julius Pyton Sserumaga Godfrey Asea Ismail Ngolinda McDonald Jumbo Sylvester O.Oikeh Michael Olsen Aluízio Borém Cosme Damião Cruz Boddupalli M.Prasanna 2020The Crop Journal2020,8,1:2
5Oxidation of cyclohexane promoted by and 显示文摘Salomao G C Olsen M H N Drago V 2007Catal Commun2007,8,1:1
6An Efficient Power Management Scheme for Mobile Devices显示文摘Olsen C M Narayanaswami C 2006Mobile Computing2006,5,7:1
7An empirical analysis of entrepreneursbip and performance in the restaurant industry显示文摘 Tse E C Olsen M D 1999Journal of Hospitality & Tourism Research1999,23,4:1
8Comparative hemodynamic,left ventricular functional,and antiadrenergie effects of chronic treatrrmnt with metoprolol versus carvedilol in the failing heart显示文摘 AHAHAM W T OLSEN S 1996Circulation1996,94,11:1
9Coordinating Production and Delivery under a (z ,Z)-Type Vendor-Man-aged Inventory Contract 显示文摘Fry M J Kapuscinski R Olsen T L 2001Manufacturing & Service Operations Management2001,3,2:1
10Preadmis-sion Use of Systemic Glucocorticoids and 30-Day Mortality Following Bleeding Peptic Ulcer: A Pop-ulation-Based Cohort Study显示文摘Olsen M Christensen S Riis A 2010Am 1 Ther2010,17,1:1
11Liver cancer among employees in Denmark显示文摘Dossing M Petersen KT Vyberg M Olsen JH 0,,:1
12Men on fathering in the content of children' s unintentional injury prevention 显示文摘BRUSSONI M CREIGHTON G OLSEN LL 2013Am J Mens Health2013,7,1:1
13Enzymatic generation of hydrogen peroxide shows promising antifouling effect显示文摘Kristensen J B Olsen S M Laursen B S 0,,:1
14Comprehensive mass-spectrometry-based proteome quantification of haploid ver-sus diploid yeast显示文摘de Godoy L.M Olsen J.V Cox J Nielsen M.L. Hubner N.C. Frohlich F. Walther T.C. Mann M 0,,:1
15Esthesioneuroblastoma: prognosis and management 显示文摘MORITA A EBERSOLD M J OLSEN K D 1993Neurosurgery1993,32,:1
16Estrogen-like properties of brominated analogs of bisphenol A in the MCF-7 human breast cancer cell line显示文摘Samuelsen M Olsen C Holme JA 2004Cell Biology and Toxicology2004,17,:1
17Real-time PCR assays for detection of bocavirus in human specimens显示文摘 Chittaganpitch M Olsen SJ 2006J Clin Microbiol2006,44,9:1
18The endogenous GL3,but not EGL3,gene is necessary for anthocyanin acculmulation as induced by nitrogen depletion in Arabidopsis rosette stage leaves显示文摘FEYISSA D N LOVDAL T OLSEN K M SLIMESTAD R LILLO C 2009Planta2009,230,:1
19Risk and short-term prognosis of myocardial infarction among users of antidiabetic drugs显示文摘JOHNSEN S P MONSTER T B OLSEN M L 2006Am J Ther2006,13,2:1
20Sketch-based modeling:a survey显示文摘Olsen L Samavati F F Sousa M C 2009Computers & Graphics2009,33,1:1
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