http://dns2.asia.edu.tw/~ysho/YSHO-English/1000%20WC/PDF/Pro%20Bio34,%20451.pdf

Pseudo-second order model for sorption processes

Soil Chemical Analysis

http://netedu.xauat.edu.cn/jpkc/netedu/jpkc2009/szylyybh/content/wlzy/1/Review%20of%20Arsenic%20in%20natural%20water%20-%20Smedly.pdf

A review of the source, behaviour and distribution of arsenic in natural waters

1. Introduction 20642. Synthesis of Magnetic Nanoparticles 20662.1. Classical Synthesis by Coprecipitation 20662.2. Reactions in Constrained Environments 20682.3. Hydrothermal and High-TemperatureReactions20692.4. Sol-Gel Reactions 20702.5. Polyol Methods 20712.6. Flow Injection Syntheses 20712.7. Electrochemical Methods 20712.8. Aerosol/Vapor Methods 20712.9. Sonolysis 20723. Stabilization of Magnetic Particles 20723.1. Monomeric Stabilizers 20723.1.1. Carboxylates 20733.1.2. Phosphates 20733.2. Inorganic Materials 20733.2.1. Silica 20733.2.2. Gold 20743.3. Polymer Stabilizers 20743.3.1. Dextran 20743.3.2. Polyethylene Glycol (PEG) 20753.3.3. Polyvinyl Alcohol (PVA) 20753.3.4. Alginate 20753.3.5. Chitosan 20753.3.6. Other Polymers 20753.4. Other Strategies for Stabilization 20764. Methods of Vectorization of the Particles 20765. Structural and Physicochemical Characterization 20785.1. Size, Polydispersity, Shape, and SurfaceCharacterization20795.2. Structure of Ferro- or FerrimagneticNanoparticles20805.2.1. Ferro- and Ferrimagnetic Nanoparticles 20805.3. Use of Nanoparticles as Contrast Agents forMRI20825.3.1. High Anisotropy Model 20845.3.2. Small Crystal and Low Anisotropy EnergyLimit20855.3.3. Practical Interests of Magnetic NuclearRelaxation for the Characterization ofSuperparamagnetic Colloid20855.3.4. Relaxation of Agglomerated Systems 20856. Applications 20866.1. MRI: Cellular Labeling, Molecular Imaging(Inﬂammation, Apoptose, etc.)20866.2.

Magnetic Iron Oxide Nanoparticles: Synthesis, Stabilization, Vectorization, Physicochemical Characterizations, and Biological Applications

1. Introduction and Overview. 2. Detecting Influential Observations and Outliers. 3. Detecting and Assessing Collinearity. 4. Applications and Remedies. 5. Research Issues and Directions for Extensions. Bibliography. Author Index. Subject Index.

Regression Diagnostics: Identifying Influential Data and Sources of Collinearity

Interactions of soil minerals with natural organics and microbes , Interactions of soil minerals with natural organics and microbes , مرکز فناوری اطلاعات و اطلاع رسانی کشاورزی

Interactions of soil minerals with natural organics and microbes

Physical chemistry of soil potassium

The low-molecular-weight organic acids (LMWOAs) secreted by plant roots modify the mobility of Cd through formation of soluble complexes in the soil rhizosphere ; the kinetics of Cd release as influenced by organic acids and its impact on Cd bioaccumulation remains to be established. The influence of LMWOAs (10 -3 and 10 -2 M), viz., acetic, citric, oxalic, fumaric, and succinic acids, which are present in the soil rhizosphere, on the kinetics of Cd release from selected soils (Luseland, Waitville, and Jedbergh) of Saskatchewan, Canada, was investigated at 25°C and at an ionic strength of 0.1 M NaNO 3 . It was observed that the Cd release from the soils increased initially up to a reaction period of about 2 h and then slowly decreased with time. With time, the LMWOAs were apparently microbially degraded and the soil solution Cd 2+ , which was transformed from the Cd-LMWOA complexes by microbial degradation, was adsorbed onto the negatively charged soil particles. Increasing amounts of Cd were released from the soils to the soil solution with the renewal of LMWOAs after every 2 h. The short-term (reaction period of 0.25 to 1 h) kinetics of Cd release from the soils was described by a parabolic diffusion kinetic model. The overall diffusion coefficient of the Cd release from the soil and the Cd released by the renewal of LMWOAs followed the same trend as the Cd availability index of the soils : Luseland » Waitville > Jedbergh. Thus, the results presented in this investigation indicate the importance of the kinetics of the Cd release from the soils by the LMWOAs excreted by root exudates in understanding the availability of soil Cd.

Kinetics of Cadmium Release from Soils as Influenced by Organic Acids: Implication in Cadmium Availability

Series Preface. Preface. About the Editors. List of Contributors. 1 Evolution of Concepts of Environmental Natural Nonliving Organic Matter ( M. H. B. Hayes ). 2 Formation Mechanisms of Humic Substances in the Environment ( P. M. Huang and A. G. Hardie ). 3 Organo-Clay Complexes in Soils and Sediments ( G. Chilom and J. A. Rice ). 4 The Effect of Organic Matter Amendment on Native Soil Humic Substances ( C. Plaza and N. Senesi ). 5 Carbon Sequestration in Soil ( M. De Nobili, M. Contin, and Y. Chen ). 6 Storage and Turnover of Organic Matter in Soil ( M. S. Torn, C. W. Swanston, C. Castanha, and S. E. Trumbore ). 7 Black Carbon and Thermally Altered (Pyrogenic) Organic Matter: Chemical Characteristics and the Role in the Environment ( H. Knicker ). 8 Biological Activities of Humic Substances ( S. Nardi, P. Carletti, D. Pizzeghello, and A.Muscolo ). 9 Role of Humic Substances in the Rhizosphere ( R. Pinton., S. Cesco, and Z. Varanini ). 10 Dissolved Organic Matter (DOM) in Natural Environments ( F. H. Frimmel, and G. Abbt-Braun ). 12 Natural Organic Matter in Atmospheric Particles ( A. da Costa Duarte and R. M. B. Oliveira Duarte ). 13 Separation Technology as a Powerful Tool for Unfolding Molecular Complexity of Natural Organic Matter and Humic Substances ( I. V. Perminova, A. I. Konstantinov, E. V. Kunenkov, A. Gaspar, P. Schmitt-Kopplin, N. Hertkorn, N. A. Kulikova and K. Hatfield ) 14 Analytical Pyrolysis and Soft-Ionization Mass Spectrometry ( P. Leinweber, G. Jandl, K-U Eckhardt, H-Rolf Schulten, A. Schlichting, and D. Hofmann ). 15 Nuclear Magnetic Resonance Analysis of Natural Organic Matter ( A. J. Simpson and M. J. Simpson ). 16 EPR, FTIR, Raman, UV-visible Absorption and Fluorescence Spectroscopies in Studies of NOM ( L. Martin-Neto, D. M. B. P. Milori, W. T. L. Da Silva and M.L. Simoes ). 17 Synchrotron-Based Near-Edge X-Ray Spectroscopy of NOM in Soils and Sediments ( J. Lehmann, D. Solomon, J. Brandes, H. Fleckenstein, C. Jacobson, and J. Thieme ). 18 Thermal Analysis for Advanced Characterization of Natural Nonliving Organic Materials ( E. J. Leboeuf and L. Zhang ). Index

/pdf/biophysico-chemical-processes-involving-natural-nonliving-59vdcrpptn.pdf

Pan Ming Huang

Papers

Interactions of soil minerals with natural organics and microbes

Physical chemistry of soil potassium

Kinetics of Cadmium Release from Soils as Influenced by Organic Acids: Implication in Cadmium Availability

Biophysico-chemical processes involving natural nonliving organic matter in environmental systems

Kinetics of Oxidation of Arsenite by Various Manganese Dioxides1