Suchergebnisse

Intro -- Preface -- Contents -- List of Figures -- List of Tables -- Abstract -- Part I The Basic Theory and Methodology -- 1 The Basic Theory of P-process at Sediment/Water Interface (SWI) in Lake -- 1.1 "Internal P-loading" and P-release Mechanisms in Lake Sediments -- 1.2 Diffusive Gradients in Thin Films (DGT) Technique and the Development Trend for the Application at SWI or Rhizosphere -- 1.3 The Uptake and Accumulation Mechanisms for Elements at the Rhizosphere of Aquatic Plant in Lake -- 1.4 Summary -- References -- 2 Problem Introduction, Research Idea, and Studying Zone -- 2.1 Problem Introduction -- 2.2 The Research Idea and the General Design for DGT Research -- 2.3 Studying Zones in Dianchi and Erhai Lakes -- 2.4 Summary -- References -- 3 The Research Methodology -- 3.1 The Design for DGT Probe and Piston -- 3.2 The Test Method for DGT Piston and Probe in Sediments of Dianchi Lake and the Subsequent Procedures -- 3.3 The DGT Method (in Situ or in Rhizobox) for the P-Uptake Process by Roots of Aquatic Plants in Erhai Lake -- 3.3.1 The in situ DGT Test -- 3.3.2 The DGT Test in Rhizobox -- 3.4 The Computer Programs for DGT (DIFS, Visual MINTEQ, and Image J.1.38 E Softwares) and the Operation/Experiment Methodology -- 3.5 The Computer Imaging Densitometry (CID) Technique for the Analysis of Sulfide-Microniches and DGT-S(-II) Profile -- 3.6 Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) Technique for Gel Analysis -- 3.7 The Analysis Methods for Physicochemical Properties of Lake Sediments -- 3.8 The Main Scientific Problem and Technological Difficulty to Be Solved -- 3.9 Summary -- References -- "Internal P-Loading" at SWI of Dianchi Lake -- 4 The "Internal P-Loading" at SWI Assessed by DGT Technique -- 4.1 Fe-Remobilization and the Solubility Assessment for Fe-Sulfide Mineral.