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| 1 | 北京PM_(2.5)化学物种的质量平衡特征显示文摘以北京 2个采样点连续采集的样品对PM2 5中的元素、水溶性离子和含碳组分进行分析 .车公庄和清华园PM2 5中有机物的含量分别为 2 7 8%和 30 9% ,是含量最丰富的物种 ,其次是二次无机粒子、土壤尘、元素碳和微量元素 .PM2 5中约有 2 4 %的质量未能鉴别成分 ,相关性分析表明 ,含碳物种的估算所引起的偏差可能是主要的原因 .采暖期重污染周和春季沙尘周PM2 5的化学物种构成悬殊 ,反映了季节性变化的源排放和特殊气象条件的综合作用 . | 杨复沫 贺克斌 马永亮 张强 Cadle S H Chan T Mulawa P A | 2004 | 环境化学2004,23,3: | 63 |
| 2 | 基于矩量法的移动荷载识别显示文摘从桥梁响应识别桥面移动荷载往往出现逆问题的病态(不适定性)等共性问题。本文基于移动荷载识别理论,借助矩量法求解积分方程理论并采用整域基函数——正交勒让德多项式表达桥面移动荷载,提出了一种移动荷载识别的时域改进算法。两轴车辆多种组合工况下的常载和时变荷载数值仿真研究表明:与时域法比较,改进时域法识别桥面移动荷载时,其识别精度高、抗噪能力强,识别结果不适定性有显著改善。 | 余岭 朱军华 陈敏中 Chan T H T | 2006 | 振动工程学报2006,19,4: | 9 |
| 3 | 桥梁时变移动车载的间接识别显示文摘针对桥梁上时变移动车载 ,提出了两种桥梁模型、四种移动车载间接识别方法和两种不同解决方案 ,并通过模型实验对上述不同桥梁移动车载解决方案进行验证。仿真和试验结果表明 :虽然各种车桥参数对识别结果都有不同程度的影响 ,但每种解决方案都能有效识别桥梁移动车载且以“时域法”和“频时域法”识别精度较高、实用性较强 ,可推荐用于现场桥梁移动车载识别。 | 余岭 Chan T H T | 2005 | 振动工程学报2005,18,1: | 8 |
| 4 | 基于矩量法的桥梁移动车载识别试验研究显示文摘基于矩量法和移动荷载识别理论,采用整域基函数———正交勒让德多项式表达桥面移动车载,从车致桥梁弯矩响应识别桥面移动车载,提出了一种时域移动荷载识别改进方法(ITDM)。利用试验测量的车致桥梁弯矩响应时程数据重点研究了几个主要参数对ITDM的影响,这些参数包括:基函数数量、模态数、测点数及测点位置和运行时间等,同时与时域法(TDM)进行了对比研究。试验研究结果表明:ITDM性能与TDM相若,但ITDM更以适应性强和省时而优于TDM,这对于桥梁移动荷载的现场在线准确识别非常有利。 | 余岭 朱军华 陈敏中 Chan T H T | 2007 | 振动与冲击2007,26,1: | 8 |
| 5 | 基于LabVIEW的桥梁健康监测数据采集系统显示文摘桥梁健康监测的第一步是如何实现现场桥梁结构输入输出数据和环境音像资料的精确采集和存储.针对香港新界西青衣南桥的特点,基于LabVIEW软件平台,开发桥梁健康监测数据采集系统,采集并存储桥面运行重车车型、轴数、车速和车辆视频音像资料以及运行重车作用下桥梁的应变和加速度响应时程数据,为桥梁健康监测提供高精度实时原始数据.五昼夜的现场监测结果表明该系统运行正常、桥梁响应数据采集精度高、运行车辆音像资料全面,不失为大型桥梁健康监测采集系统的有益尝试. | 余岭 朱军华 CHAN T H T | 2009 | 暨南大学学报(自然科学与医学版)2009,30,5: | 5 |
| 6 | Moving Force Identification - Time Domain Method显示文摘 | Law S S Chan T H T Zeng Q H | 1997 | Journal of Sound and Vibration1997,201,1: | 4 |
| 7 | 一种模拟堆石料的二维多边形离散单元法及程序显示文摘在考虑堆石料真实颗粒形状的基础上,将每个颗粒用一个多边形离散单元表示,基于一种线性搜索算法对多边形-多边形之间的接触详情进行检索计算,引入基于势能原理的法向多边形-多边形接触模型及切向库仑摩擦模型,形成了一种多边形离散元计算方法,并开发了相应的PDEM程序。可以从颗粒尺度层面展示颗粒之间的相互作用以及每个颗粒的位移和转动,帮助进一步揭示颗粒的细观特性(形状、大小、材料特性等)对堆石料的宏观强度和变形的影响。最后采用PDEM程序对某粗粒料的二维模型试验进行了数值模拟,得到了与室内试验一致的应力变形规律,展现了其方法和程序用于研究堆石料的有效性。 | 罗滔 OOI E T CHAN A H C 傅少君 | 2017 | 岩土力学2017,38,3: | 2 |
| 8 | Widespread use of gastric acid inhibitors in infants:Are they needed? Are they safe?显示文摘Gastroesophageal reflux is a common phenomenon in infants,but the differentiation between gastro-esophageal reflux and gastroesophageal reflux disease can be difficult.Symptoms are non-specific and there is increasing evidence that the majority of symptoms may not be acid-related.Despite this,gastric acid inhibitors such as proton pump inhibitors are widely and increasingly used,often without objective evidence or investigations to guide treatment.Several studies have shown that these medications are ineffective at treating symptoms associated with reflux in the absence of endoscopically proven oesophagitis.With a lack of evidence for efficacy,attention is now being turned to the potential risks of gastric acid suppression.Previously assumed safety of these medications is being challenged with evidence of potential side effects including GI and respiratory infections,bacterial overgrowth,adverse bone health,food allergy and drug interactions. | Mark Safe Wei H Chan Steven T Leach Lee Sutton Kei Lui Usha Krishnan | 2016 | World Journal of Gastrointestinal Pharmacology and Therapeutics2016,7,4: | 2 |
| 9 | Moving Force Identification - A Frequency and Time Domains Approach显示文摘 | LawSS Chan T H T Zeng Q H | 1999 | Journal of Dynamic Systems Measurement and Control ASME1999,121,3: | 2 |
| 10 | On the training of radial basis function classifiers 显示文摘 | Musavi M T Ahmed W Chan K H | 1992 | Neural Networks1992,,5: | 1 |
| 11 | Mathematical models for local non-texture inpainting 显示文摘 | Chan T F Shen J H | 2001 | SIAM Journal of Applied Mathematics (S0036-1429)2001,62,3: | 1 |
| 12 | Maintenance of Continuously Monitored Degrading Systems 显示文摘 | Liao H T Elsayed E A Chan L Y | 2006 | European Journal of Operational Research2006,175,2: | 1 |
| 13 | Techniques for analyzing f-requency selective surfaces-a review 显示文摘 | Mittra R Chan C H Cwik T | 1988 | Proceedings of t-he IEEE1988,76,12: | 1 |
| 14 | Euler's Elastiea and Curvature Based Inpainting显示文摘 | Chan T F Kang S H Shen J H | 2002 | SIAM Journal of Applied Mathematics2002,63,2: | 1 |
| 15 | The effect of excimer laser surface treatment on the pitting corrosion fatigue behaviour of alnminium alloy 7075 显示文摘 | Chan C P Yue T M Man H C | 2003 | Journal of Materials Science2003,15,12: | 1 |
| 16 | Preferred risk allocation in target cost contracts in con- struction显示文摘 | Joseph H L Chan Daniel W M Chan Patrick T I Lam | 2011 | Facilities2011,29,1314: | 1 |
| 17 | Nontexture inpainting by curvature driven diffusions显示文摘 | Chan T F Shen J H | 2001 | Visual Communication and Image Representation2001,12,4: | 1 |
| 18 | Compensation methods for buried defects in extreme ultraviolet lithography masks显示文摘 | C H Clifford T T Chan A R Neureuther | 2011 | J Vac Sci Technol B2011,29,01: | 1 |
| 19 | The influence of greening the suppliers and green innovation on environmental performance and competitive advantage in Taiwan 显示文摘 | Chiou T Chan H K Lettice F | 2011 | Transportation Research E2011,47,6: | 1 |
| 20 | Celecoxib suppres- ses hepatoma stemness and progression by up-regulating PTEN显示文摘 | Chu T H Chan H H Kuo H M | 2014 | Oncotarget2014,5,6: | 1 |