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| 1 | Geochemical fractionation and ecological risks assessment of benthic sediment-bound heavy metals from coastal ecosystems off the Equatorial Atlantic Ocean显示文摘This study determines the pollution, fractionation, and ecological risks of sediment-bound heavy metals from coastal ecosystems off the Equatorial Atlantic Ocean. Contamination Factor(CF), pollution load index(PLI), and geoaccumulation index(Igeo) were used to assess the extent of the heavy metal pollution, while the potential ecological risk was evaluated using the risks assessment code(RAC) and Hkanson potential ecological risk. The analysis revealed concentrations(mg/g, dw) of the cadmium(Cd),chromium(Cr), copper(Cu), nickel(Ni), and lead(Pb) in sediments for wet and dry seasons vary from 4.40-5.08, 14.80-21.09. 35.03-44.8, 2.14-2.28, and 172.24-196.39, respectively. The results also showed that the metal fractionation percentages in the residual, oxidizable, and reducible fractions are the most significant, while the exchangeable and carbonate bound trace metals are relatively low. The RAC values indicate no risk for Cd and Ni and low risk for other metals at all the studied sites during both seasons.Potential ecological risk analysis of the heavy metal concentrations indicates that Cd had high individual potential ecological risk, while the other metals have low risk at all investigated sites. The multi-elemental potential ecological risk indices(R_1) indicate high ecological risk in all the ecosystems. | Nsikak U. Benson Essien D. Udosen Joseph P. Essien Winifred U. Anake Adebusayo E. Adedapo Oyeronke A. Akintokun Omowunmi H. Fred-Ahmadu Abass A. Olajire | 2017 | International Journal of Sediment Research2017，32，3： | 8 |
| 2 | 土荆芥的石油醚提取物及精油对冈比亚按蚊的杀虫活性(英文)显示文摘在室内条件下测试了土荆芥Chenopodium ambrosioides叶片的石油醚提取物及精油对冈比亚按蚊Anopheles gambiae0~2d龄成虫和1~4龄幼虫的毒性。每一龄期各取30头幼虫分别接触50,100,250,500,750和1000mg/L提取物和精油,于24h和48h后记录死亡幼虫的数目。30头成虫在密封的长方形玻璃笼子中分别接触0.8,1.6,2.4μL/L土荆芥精油蒸气,24h后记录死亡率。结果表明,测试的提取物和精油对冈比亚按蚊的各龄幼虫和成虫均具有毒性。48h致死中浓度(LC50)的测试结果表明,石油醚提取物对1龄幼虫的毒性最强(14.89mg/L),其次是对4龄幼虫(18.90mg/L),对3龄幼虫的毒性最低(183.77mg/L);精油对4龄幼虫毒性最强(36.62mg/L),其次是对1龄幼虫(90.75mg/L)。推算的土荆芥精油对冈比亚按蚊的LC50为1.01μL/L。本研究揭示了土荆芥对冈比亚按蚊的防治潜力。 | Abiodun A. DENLOYE Oluwakemi K. AJELARA Rasaq A. OLOWU Adeolu O. ESHILOKUN Winifred A. MAKANJUOLA | 2009 | 昆虫学报2009，52，8： | 6 |
| 3 | Pharmaco-logical and environmental factors in primary angle-closure glau-coma显示文摘 | Ian Subak-Sharpe Sancy Low Winifred Nolan | 2010 | British Medical Bulletin2010，93，1： | 1 |
| 4 | The oretical study of infrared and Raman spectra of hydrated magnesium sulfate salts显示文摘 | Galina M Chaban Winifred M Huo Timothy J Lee | 2002 | J Chem Phys2002，117，6： | 1 |
| 5 | Anterior Chamber Depth and the risk of Primary Angle Closure in 2 East Asian Populations 显示文摘 | Tin A Winifred P David M | 2005 | Arch Ophthalmol2005，123，4： | 1 |
| 6 | Blindness and Visual Impairment in an Urban West African Population: The Tema Eye Survey显示文摘 | Donald L. Budenz Jagadeesh R. Bandi Keith Barton Winifred Nolan Leon Herndon Julia Whiteside-de Vos Graham Hay-Smith Hanna Kim James Tielsch | 2012 | Ophthalmology2012，，9： | 1 |
| 7 | Development of Design for Remanufaetu- ring Guidelines to Support Sustainable Manufacturing 显示文摘 | ljomah Winifred L MeMahon Christopher A Hammond Geoffrey P | 2007 | Robotics and Computer Integrated Manufacturing2007，23，6： | 1 |
| 8 | 'Conrad's Nostromo'显示文摘 | | 1954 | The Explicator1954，，1： | 1 |
| 9 | Development of desiagn for remanufacturing guidelines to support sustainable manufacturing显示文摘 | WINIFRED LI CHRISTOPHER AM GEOFFREY PH | 2007 | Robotics and Computer- integrated Manufacturing2007，23，6： | 1 |
| 10 | The Economics of Middle- Income Family Life: Working Women During the Great Depression 显示文摘 | Winifred D Wandersee Bolin | 1978 | The Journal of American History1978，65，1： | 1 |
| 11 | Anterior segment imaging: ultrasound biomicroscopy and anterior segment optical coherence tomography显示文摘 | Winifred Nolan | 2008 | Current Opinion in Ophthalmology2008，，2： | 1 |
| 12 | Human Astrovirus Gastroenteritis in Children, Madagascar, 2004-2005 显示文摘 | Dimitrios CP Winifred D Nigel AC | 2008 | Emerging Infectious Diseases2008，14，5： | 1 |
| 13 | Development of design for remanufacturing guidelines to support sustainable manufacturing显示文摘 | WINIFRED L I CHRISTOPHER A M GEOFFREY P H | 2007 | Robotics and Computer-Integrated Manufacturing2007，23，6： | 1 |
| 14 | Dragonfly wings inspire micro wind turbine design显示文摘 | Winifred Bird | 2011 | 2011 (2797)2011，，2797： | 1 |
| 15 | INHIBITION OF RAT LENS ALDOSE REDUCTASE BY QUERCETAGETIN AND PATULETIN显示文摘In this paper the results of inhibition of the Aldose reductase(AR) activity on Wistar rat lens by Quercetagetin extracted from Tagetes erects Linn and by Patuletin extracted from Tagetes patula Linn are reported.Quercetagetin inhibited AR of the rat lens by 93.9% at 10^(-4)M, 76.0% at 10^(-5)M and 13.3% at 10^(-6)M. Patuletin inhibited AR of the rat lens by 100% at 10^(-1)M, 80% at 10^(-5)M and 22.7% at 10^(-6)M respectively. The results show that these two flavones are lens AR Inhibitors, but further ... | Shaozhen Li Winifred Mao Xinyuan Cao Shunwei Liang Zhongshan Ophthalmic Center Sun Yat-sen University of Medical Sciences Guangzhou, China Zhou Ding Naiming Li Department of Chemistry Guangzhou Medical College Guangzhou, China | 1991 | 眼科学报1991，7，1： | 1 |
| 16 | Anterior chamber depth and therisk of primary angle closure in 2 east Asian populations 显示文摘 | Tin A Winifred P David M | 2005 | Arch Ophthalmol2005，123，4： | 1 |
| 17 | YAG laser iridotomy treatment for primary angle closure in east Asian eyes显示文摘 | Winifred PN Paul JF Joe GD | 2000 | Br J Ophthalmol2000，84，： | 1 |
| 18 | Methyl Parathion: A Review of Health Effects显示文摘 | Stephanie Garcia Aqel Abu-Qare Winifred Meeker-O’Connell Anita Borton Mohamed Abou-Donia | 2003 | Journal of Toxicology and Environmental Health Part B2003，，2： | 1 |
| 19 | Human astrovirus gastroenteritis in children,madagascar,2004-2005显示文摘 | Dimitrios CP Winifred D Nigel AC | 2008 | Emerging Infectious Diseases2008，14，5： | 1 |
| 20 | Human astrovirus gastroenteritis in children, Madagascar,2004-2005显示文摘 | Dimitrios CP Winifred D Nigel AC | 2008 | Emerging Infectious Diseases2008，14，5： | 1 |
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