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| 1 | 高光谱遥感在农作物长势监测中的应用显示文摘该研究是加拿大Saskatchewan Scott农作物轮作系统(ACS)研究的一部分。研究始于1994年,历时18a,评价9个可耕种农作物产量系统的可靠性。由3种处理水平(organic,reduced,high)和3种作物多样性水平(low,diversified annual grains,diversified annual perennials)结合而产生的9个农作物产量系统,被用于监测和评价加拿大牧场不同处理和不同作物种植轮作下可耕种农作物的产量。在2003年生长季共收集了3次叶面积指数和光谱反射率的数据:生长季前期(6月)、生长季旺盛期(7月)、生长季后期(8月)。叶面积指数是由LAI-2000植物冠层分析仪监测的,光谱测量是由覆盖了350-2500 nm波长范围共2215个波段的ADS便携式高光谱仪完成的。结果显示,光学测量可以用于监测农作物生长状况的差异。从生长季的早期到中期,光谱和叶面积指数在不同处理下有显著差异。7月中期是用遥感资料监测农作物长势的最佳季节;红光波段与近红外波段反射率的比值和基于这两个波段构造的归一化植被指数,是检测农作物长势的最佳植被指数。 | 郑有飞 Guo X Olfert O Brandt S Thomas G Weiss R Sproule L | 2007 | 气象与环境科学2007，30，1： | 22 |
| 2 | Distribution and effects of polymorphic RANTES gene alleles in HIV/HCV coinfection - A prospective cross-sectional study显示文摘AIM: Chemokines and their receptors are crucial for immune responses in HCV and HIV infection. RANTES gene polymorphisms lead to altered gene expression and influence the natural course of HIV infection. Therefore,these mutations may also affect the course of HIV/HCV coinfection.METHODS: We determined allele frequencies of RANTES-403 (G→A), RANTES-28 (C→G) and RANTESIN1.1 (T→C) polymorphisms using real-time PCR and hybridization probes in patients with HIV (n = 85), HCV (n= 112), HIV/HCV coinfection (n = 121), and 109 healthy controls. Furthermore, HIV and HCV loads as well as CD4+ and CD8+ cell counts were compared between different RANTES genotypes.RESULTS: Frequencies of RANTES-403 A, RANTES-28 G and RANTES-IN1.1 C alleles were higher in HIV infected patients than in healthy controls (-403: 28.2% vs 15.1%,P = 0.002; -28: 5.4% vs 2.8%, not significant; IN1.1:19.0% vs 11.0%, P = 0.038). In HIV/HCV coinfected patients, these RANTES alleles were less frequent than in patients with HIV infection alone (15.4% P = 0.002;1.7%; P = 0.048; 12.0%; not significant). Frequencies of these alleles were not significantly different between HIV/HCV positive patients, HCV positive patients and healthy controls.CONCLUSION: All three RANTES polymorphisms showed increased frequencies of the variant allele exclusively in patients with HIV monoinfection. The finding that the frequencies of these alleles remained unaltered in HIV/HCV coinfected patients suggests that HCV coinfection interferes with selection processes associated with these alleles in HIV infection. | Golo Ahlenstiel Agathe Iwan Jacob Nattermann Karin Bueren Jürgen K Rockstroh Hans H Brackmann Bernd Kupfer Olfert Landt Amnon Peled Tilman Sauerbruch Ulrich Spengler Rainer P Woitas | 2005 | World Journal of Gastroenterology2005，11，48： | 3 |
| 3 | Reproductive outcomes among dental personnel:a review of selected exposures显示文摘 | | 2006 | J Can Dent Assoc2006，72，9： | 1 |
| 4 | Skeletal muscle capil- larity during hypoxia: VEGF and its activation 显示文摘 | Breen E Tang K Olfert M | 2008 | High Alt Med Biol2008，9，2： | 1 |
| 5 | Measuring aerosol size distributions with the fast integrated mobility spectrometer显示文摘 | Jason S Olfert Pramod Kuikarni Jian Wang | 2008 | Journal of Aerosol Science2008，39，： | 1 |
| 6 | Abundance and diversity of Carabidae (Coleoptera) in different farming systems显示文摘 | Melnychuk N A Olfert O Youngs B | 2003 | Agriculture Ecosystem and Environment2003，95，： | 1 |
| 7 | Extraction precision of sieving and brine flotation for removal of wheat midge,Sitodiplosis mosellana(Diptera;Cecidomyiidae),cocoons and larvae from soil显示文摘 | Doane J F Olfert O O Mukerji M K | 1987 | J Econ Entomol1987，80，： | 1 |
| 8 | Does gender affect human pulmonary gas exchange during exercise显示文摘 | Olfert IM Balouch J Kleinsasser A | 2004 | J Physiol2004，557，2： | 1 |
| 9 | Development of sampling designs for egg and larval populations of the wheat midge,Sitodiplosis mosellana(Diptera;Cecidomyiidae),in wheat显示文摘 | Mukerji M K Olfert O O Doane J F | 1988 | The Canadian Entomo Logist1988，120，6： | 1 |
| 10 | The effective density and fractal dimension of particles emitted from a light - duty diesel ve- hicle with a diesel oxidation catalyst 显示文摘 | Olfert J S Symonds J P R Collings N | 2007 | Journal of Aerosol Sci- ence2007，38，26： | 1 |
| 11 | Canadian inter-laboratory organically bound tritium(OBT)analysis exercise显示文摘 | KIM S B OLFERT J BAGLAN N | 2015 | J Environ Radioact2015，150，： | 1 |
| 12 | Skeletal muscle capillarity and angiogenicmma levels after exercise training in nomloxia and chronic hypoxia显示文摘 | Olfert IM Breen EC Mathieu- costello O | 2001 | J Appl Physiol2001，91，： | 1 |
| 13 | Skeletal muscle capillarity and angiogenic mRNA levels after exercise training in normoxia and chronic hypoxia显示文摘 | OLFERT I M BREEN E C MATHIEU-COSTELLO O | 2001 | J Appl Physiol2001，91，： | 1 |
| 14 | Do New Economic Geography Agglomeration Shadows Underlie Cur- rent Population Dynamics Across the Urban Hierarchy? 显示文摘 | Partridge MD Rickman DS Ali K Olfert MR | 2009 | Re- gional Science2009，88，2： | 1 |
| 15 | Urban sprawl and productivity: Evidence from US metropolitan areas 显示文摘 | Fallah B N Partridge M D Olfert M R | 2011 | Papers in Regional Science2011，90，3： | 1 |
| 16 | Urban sprawl and productivity:evidence from US metropolitan areas显示文摘 | Fallah B N Partridge M D and Olfert M R | 2011 | Papers in Regional Science2011，90，3： | 1 |
| 17 | Relationship between infestation levels and yield loss caused by wheat midge,Sitodiploosis mosellana(Gehin) (Diptera:Cecidomyiidae),in spring wheat in Saskatchewan显示文摘 | Olfert O O Mukerji M K Doane J F | 1985 | The Canadian Entomologist1985，117，： | 1 |
| 18 | Can Geographically Weighted Regressions Improve Regional Analysis and Policy Making? 显示文摘 | IAli K Partridge M D Olfert M R | 2007 | International Regional Science Review2007，30，3： | 1 |
| 19 | Humane endpoints for infectious disease animal models显示文摘 | Olfert E D Godson D L | 2000 | ILAR J2000，41，2： | 1 |
| 20 | Skeletal Muscle Capillarity and Angiogenic mRNA Levels after Exercise Training in Normoxia and Chronic Hypoxia 显示文摘 | Olfert IM Breen EC Mathieu - Costello O | 2001 | J App Physiol2001，91，3： | 1 |
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