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| 1 | 应用DRAINMOD农田排水模型对地下水位和排水量的模拟显示文摘农田排水工程在防御涝渍灾害、促进农作物正常生长和改善田间耕作管理等方面起着积极的作用,合理的排水系统设计是保证排水系统正常运行、作物正常生长的关键。以水平衡理论为基础建立的DRAINMOD模型,可用于研究排水系统对作物生长和各水文要素的影响,适用于浅地下水位和较湿润地区。该文对模型的基本原理和参数输入要求进行了详细描述,采用加拿大安大略省南部Eugene F.Whelan试验站自由排水和控制排水—地下灌溉两种水位管理条件下,1992~1994年6~8月地下水埋深观测值、3年地表径流和地下排水水量观测值对模型进行了模拟验证。图形显示和统计参数指标分析表明,模拟值与观测值拟合较好,表明模犁具有良好的水文模拟性能,可用于预测地下水埋深、地表和地下排水量,是农田排水工程设计和水管理的有效工具。 | 王少丽 王兴奎 S.O.Prasher C.S.Tan | 2006 | 农业工程学报2006,22,2: | 28 |
| 2 | 排水氮运移模型对地表和地下排水量和硝态氮损失的模拟评价显示文摘以排水模型(DRAINMOD)为基础发展起来的排水氮运移模型(DRAINMOD N),可用于研究排水系统对作物生长和各水文要素的影响,以及农田排水土壤中硝态氮的运动和去向,适用于浅地下水位和较湿润地区。本文对模型的氮运移原理和参数输入要求进行了详细描述,采用加拿大安大略省南部EugeneF.Whelan试验站自由排水和控制排水 地下灌溉两种水位管理条件下,1992~1994年3年来的地表径流和地下排水水量及硝态氮损失观测值对模型进行了模拟验证。图形显示和统计参数指标分析表明,模拟值与观测值拟和较好,表明模型具有良好的模拟性能,可用于预测地表、地下排水量和硝态氮的损失,是评价不同农业管理措施对土壤中氮运移的有效工具。 | 王少丽 S.O.Prasher YANG Chun-chieh C.S.Tan | 2004 | 水利学报2004,35,9: | 11 |
| 3 | Optical coherence tomography angiography in diabetic retinopathy: a review of current applications显示文摘Background:Diabetic retinopathy(DR)is a leading cause of vision loss in adults.Currently,the standard imaging technique to monitor and prognosticate DR and diabetic maculopathy is dye-based angiography.With the introduction of optical coherence tomography angiography(OCTA),it may serve as a potential rapid,non-invasive imaging modality as an adjunct.Main text:Recent studies on the role of OCTA in DR include the use of vascular parameters e.g.,vessel density,intercapillary spacing,vessel diameter index,length of vessels based on skeletonised OCTA,the total length of vessels,vascular architecture and area of the foveal avascular zone.These quantitative measures may be able to detect changes with the severity and progress of DR for clinical research.OCTA may also serve as a non-invasive imaging method to detect diabetic macula ischemia,which may help predict visual prognosis.However,there are many limitations of OCTA in DR,such as difficulty in segmentation between superficial and deep capillary plexus;and its use in diabetic macula edema where the presence of cystic spaces may affect image results.Future applications of OCTA in the anterior segment include detection of anterior segment ischemia and iris neovascularisation associated with proliferative DR and risk of neovascular glaucoma.Conclusion:OCTA may potentially serve as a useful non-invasive imaging tool in the diagnosis and monitoring of diabetic retinopathy and maculopathy in the future.Future studies may demonstrate how quantitative OCTA measures may have a role in detecting early retinal changes in patients with diabetes. | Kai Yuan Tey Kelvin Teo Anna C.S.Tan Kavya Devarajan Bingyao Tan Jacqueline Tan Leopold Schmetterer Marcus Ang | 2019 | Eye and Vision2019,6,1: | 6 |
| 4 | 查看详情显示文摘 | Wang Z. J Qu S. C Zeng X. B Liu J.P.Zhang C.S.Tan F.R.Jin L.Wang Z.G | | 0,,05: | 1 |
| 5 | Mild cognitive impairment in Parkinson’s disease:a distinct clinical entity?显示文摘Background:Mild cognitive impairment in Parkinson’s disease(PD-MCI)is a common clinical condition.Understanding its pathology and clinical features is important for early intervention before the onset of dementia.In the past,variable definitions and differences in neuropsychological batteries generated divergent results of the affected cognitive patterns.Main body:The introduction of PD-MCI criteria by the Movement Disorders Society(MDS)Task Force provides a more uniform system for defining and measuring PD-MCI and may improve the validity of future research.PD-MCI is likely to be heterogeneous since it can coexist with Alzheimer’s disease and/or Lewy body pathologies in PD.Pathogeneses of neuropsychiatric disturbances,such as depression,anxiety and apathy,are associated with PD with or without MCI.In addition,cognitive reserve formed by patients’unique life experiences may influence the outward cognitive performance despite the presence of the aforementioned pathogeneses and hence alter the diagnosis of MCI.Conclusion:The overlap of cognitive impairment across different neurodegenerative diseases suggests that PD-MCI is likely to result from a mixture of complex pathophysiologies,rather than being a distinct pathologic entity.Differentiating MCI from other organic symptoms in PD would facilitate novel therapeutic strategies. | Ming-Ching Wen Ling Ling Chan Louis C.S.Tan Eng King Tan | 2017 | Translational Neurodegeneration2017,6,1: | 0 |
| 6 | Transcriptomic analyses of localized prostate cancers of East Asian and North American men reveal race-specific luminal-basal and microenvironmental differences显示文摘Dear editor,Prostate cancer(PCa)remains a major healthcare burden in men globally[1].Most patients present with localized disease,and treatment is recommended based on risk classification systems like the National Comprehensive Cancer Network(NCCN)[2].However,these methods are imprecise for estimating metastasis-free survival and prostate cancer-specific mortality and thus biomarkers that can predict tumor aggression are needed[3–5].Several studies have since characterized the molecular landscape of localized PCa in White[4,5]and Black/African-American men[6],but data is lacking in Asian men.The Chinese Prostate Cancer Genome and Epigenome Atlas(CPGEA)reported on the genomic and epigenomic landscape of 208 PCa of men from China[7].Comparative analyses between the CPGEA cohort and data from The Cancer Genome Atlas(TCGA)revealed higher frequencies of Forkhead box A1(FOXA1)and chromodomain-helicase DNA-binding 1(CHD1)mutations,and lower frequencies of phosphatase and tensin homolog(PTEN)mutations and transmembrane protease serine 2-E26 transformationspecific related gene(TMPRSS2-ERG)fusion in Chinese compared with White men[7].These preliminary findings highlight the presence of race-specific differences in molecular phenotypes of PCa. | Melvin L.K.Chua Alexander K.Hakansson Enya H.W.Ong Boon Hao Hong Jing Jing Miao Adelene Y.L.Sim Janice S.H.Tan Kah Min Tan Gabrielle C.J.Lee Kar Perng Low Jeffrey K.L.Tuan Terence W.K.Tan Michael L.C.Wang Joe P.S.Yeong Michael C.S.Tan Lui Shiong Lee Ravindran Kanesvaran Xin Zhao Julian Ho Daniel E.Spratt Edward M.Schaeffer Kae-Jack Tay Yang Liu Elai Davicioni Li Yan Khor | 2023 | Cancer Communications2023,43,10: | 0 |