该研究是对城市水资源务因素进行连续系统的精确测验与调查,用水量平衡综合分析验证其数据的可靠性,并采用系统分析方法建立各种应用管理模型,提出合理开发利用及解决水资源紧缺的对策。该课题按照城市地区水资源特殊的形成条件与利用方式,选择乌市地区及近郊区1092km〈’2〉范围,连续三年精确测验,模清了水量、水质的时空变化,在地下水资源量的计算方面,采用了常规均衡法与有限单元法的对比论证;首次建立了研究区与乌河流域大系统地表水、地下水联合模拟模型。该研究选题正确,是生产亟待解决的难题,研究分析起点高、难度大 ...
臧彦玲 +6 more
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[Determination of 51 per- and polyfluoroalkyl substances in raw water and drinking water by online solid-phase extraction coupled with ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]
Chen YY +5 more
europepmc +1 more source
參照全球經濟一體化的背景,結合沿海一些大城市空間擴展研究,和對我國大城市用地空間擴展的一些規律的認識;現對城市擴展沿交通走廊軸線發展的脈動規律、城市邊緣地區定向開發規律以及城市經濟集聚與擴散規律制約下的城市空間擴展過程,進行深入分析研究。以指導我國的城市規劃與建設,防止城市用地盲目擴大、用地失控,促進城市土地開發按資源節約型方向發展,走城市可持續發展 ...
Yao, SM, Chan, RCK, Wang, B
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[Exposure characteristics of monohydroxypolycyclic aromatic hydrocarbons and influencing factors in urban residents]. [PDF]
Fu H, Lu YF, Xie LN, Zhu Y, Li Z, Hu XJ.
europepmc +1 more source
[Effect of Short-Term Exposure to Air Pollutants on Hospital Admissions for End-Stage Renal Disease Patients Undergoing Hemodialysis]. [PDF]
Chen Y +6 more
europepmc +1 more source
本研究主要是探討下水污泥海域掩埋時,滲出水質的變化情形。海面上方之污泥係受雨水淋滲作用而將污染物質溶出,因此設計管柱通水實驗來模擬, 並考慮不同掩埋密度及深度的影響,結果顯示,滲出水pH值、導電度、ss均主下降趨勢, COD及BOD在通水初期達到尖峰濃度後即逐漸下降。無機鹽氮部份以氯氮濃度最高,重金屬部份溶出濃度總量均很低。至於海面下方之污泥係浸漬於海水中, 所以設計批次污泥投入海水飽和浸潰實驗來模擬浸出水水質變化趨勢,並加入曝氣因子的考量,結果顯示pH值上升,導電度及氯鹽均下降,至於SS、COD ...
高思懷; 劉建中
core
[Determination of <i>N</i>-(1,3-dimethylbutyl)-<i>N'</i>-phenyl-<i>p</i>-phenylenediamine-quinone in urine and dust by ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]
Lu ZL, Deng FF, Bai ZJ, Peng RF, Tan L.
europepmc +1 more source
[Determination of short- and medium-chain chlorinated paraffins in different components of human blood using gas chromatography-electron capture negative ion-low resolution mass spectrometry]. [PDF]
Yu S +6 more
europepmc +1 more source
[Determination of 14 perfluoroalkyl substances in Chinese mitten crab by multi-plug filtration cleanup coupled with ultra-performance liquid chromatography-tandem mass spectrometry]. [PDF]
Wang X, Rao Q, Zhang Q, DU P, Song W.
europepmc +1 more source
[Determination of perfluorinated compounds in environmental water samples by magnetic solid-phase extraction-liquid chromatography-mass spectrometry and associated risk assessment]. [PDF]
Gu CS +7 more
europepmc +1 more source

