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| 1 | Analytical Methods for Environmental Risk Assessment of Acid Sulfate Soils: A Review显示文摘Assessment of acid sulfate soil risk is an important step for acid sulfate soil management and its reliability depends very much on the suitability and accuracy of various analytical methods for estimating sulfide-derived potential acidity, actual acidity and acid-neutralizing capacity in acid sulfate soils. This paper critically reviews various analytical methods that are currently used for determination of the above parameters, as well as their implications for environmental risk assessment of acid sulfate soi1s. | C. LIN School of Environmental Science and Management, Southern Cross University, Lismore, NSW (Australia) | 2001 | Pedosphere2001,11,4: | 5 |
| 2 | Characteristics of Some Heavy Metals in Acid Sulfate Topsoils, Eastern Australia显示文摘Forty-five acid sulfate topsoil samples (depth < 0.5 m) from 15 soil cores at 11 locations along the New South Wales coast, Australia, were selected to investigate the chemical behavior of Zn, Mn, Cr, Co and Pb in these soils. The amount of HCI-extractable Mn was much smaller than the mean value of the total Mn documented for other soils. This may be attributed to enhanced mobilization of Mn from the soils under the extremely acidic and seasonally flooded conditions encountered in the investigated soils. The pH-dependency of soluble Zn and Mn was strongly affected by the availability of acid reactive Zn and Mn compounds. There were fairly good relationships between soluble Zn and acid reactive Zn compounds, and between soluble Mn and acid reactive Mn compounds. Soluble Zn and soluble Mn concentrations were important controls on exchangeable Zn and Mn concentrations, respectively. In contrast to the suggestion by other authors that adsorption of Co was closely associated with Mn oxides present in soils, the exchangeable Co in the investigated acid sulfate soils was not clearly related to the abundance of Mn minerals. In addition to the fact that there are few Mn minerals present in the soils, this might also be because the availability of canon exchange sites on the crystal surfaces of Mn oxides was reduced under extremely acidic conditions. | C. LIN, D. MCCONCHIE, R. T. BUSH, L. A. SULLIVAN and M. ROSICKY (School of Resource Science and Management, Southern Cross University, Lismore, NSW (Australia)) | 2001 | Pedosphere2001,11,1: | 4 |
| 3 | Characteristics of Phosphorus in Some Eastern Australian Acid Sulfate Soils显示文摘Forty-five acid sulfate topsoil samples (depth < 0.5 m) from 15 soil cores were collected from 11 locations along the New South Wales coast, Australia. There was an overall trend for the concentration of the HC1extractable P to increase along with increasing amounts of organic C and the HCl-extractable trivalent metals in the topsoils of some less-disturbed acid sulfate soils (pH <4.5). This suggests that inorganic P in these soils probably accumulated via biological cycling and was retained by complexation with trivalent metals or their oxides and hydroxides. While there was no clear correlation between pH and the water-extractable P, the concentration of the water-extractable P tended to increase with increasing amounts of the HCl-extractable P. This disagrees with some established models which suggest that the concentration of solution P in acid soils is independent of total P and decreases with increasing acidity. The high concentration of sulfate present in acid sulfate soils appeared to affect the chemical behavior of P in these soil systems. Comparison was made between a less disturbed wetland acid sulfate soil and a more intensively disturbed sugarcane acid sulfate soil.The results show that reclamation of wetland acid sulfate soils for sugarcane production caused a significant decrease in the HCl-extractable P in the topsoil layer as a result of the reduced bio-cycling of phosphorus following sugarcane farming. Simulation experiment shows that addition of hydrated lime had no effects on the immobilization of retained P in an acid sulfate soil sample within a pH range 3.5~4.6. When the pH was raised to above 4.6, soluble P in the soil extracts had a tendency to increase with increasing pH until the 15th extraction (pH 5.13). This, in combination with the poor pH-soluble P relationship observed from the less-disturbed acid sulfate soils, suggests that soluble P was not clearly pH-dependent in acid sulfate soils with pH < 4.5. | C. LINSchool of Environmental Science and Management, Southern Cross University, Lismore, NSW (Australia) | 2002 | Pedosphere2002,12,3: | 4 |
| 4 | Acid Sulfate Soils in Australia: Characteristics,Problemsand Management显示文摘Acid soils(ASS) are widely distributed in Australia. This has only been recognized recentlywhen intensive research on ASS has been done in this country. This paper reviews aspects concerning a)the distribution and acid potential, b) controls on acidic status, and c) problems and management of ASSin Australia It is believed that the Australian experience may be useful for other countries where potentialproblems from ASS exist but insrfficient attention was paid to them. | C. LIN(School of Resource Science and Management, Southern Cross Universitg, Lismore, N.S. W. 248O (Australia)) | 1999 | Pedosphere1999,9,4: | 3 |
| 5 | Iron Monosulfide Distribution in Three Coastal Floodplain Acid Sulfate Soils, Eastern Australia显示文摘The distribution of iron monosulfide (quantified as acid volatile sulfur: SAV) was compared with geo- chemical properties that are known to affect its formation and accumulation in three coastal Holocene acid sulfate soils (ASS) at Tuckean Swamp, McLeods Creek and Bungawalbyn Swamp respectively. These properties included PH, reactive iron (FeR), pore-water sulfate (SO:42-) and organic carbon (OC). Iron monosulfide was concentrated at the oxic/anoxic boundary. The Tuckean Swamp and McLeods Creek sites are Holocene sediments, whereas the Bungawalbyn Swamp is a Holocene peat. The concentration of SAV averaged 0.2 g kg-l in a 0.5 m thick soil layer at the Tuckean Swamp, but was an order of magnitude lower in the oxic/anoxic transition layers at McLeods Creek and Bungawalbyn Swamp. The SAV mineral greigite (Fe3S4) was identified in the Tuckean Swamp by X-ray diffraction and scanning electron microscopy with quantitative energy dispersive X-ray analysis (SEM-EDX). Very small concentrations of greigite were also observed in the McLeods Creek, based on crystal morphology and elemental composition. The concentration of SAV was a small fraction of the total reduced sulfur, representing at most 3% of the Pyrite sulfur. However, the presence of this highly reactive sulfide mineral, distributed within pores where oxygen diffusion is most rapid, has important implications to the potential rate of acid production from these sediments. | R. T. BUSH, L. A. SULLIVAN and C. LIN School of Resource Science and Management, Southern Cross University, Lismore, NSW 2480 (Australia) | 2000 | Pedosphere2000,10,3: | 3 |
| 6 | Recent Advance in the Electrochemical Detection of Sulphide and Sulphhydryl Species显示文摘This article aims at providing a critical review of some most recent developments in the electrochemical detection and measurement of hydrogen sulphide and the related species, which are of great significance to a variety of industries and in environmental moitoring. The molecular recognition processes are initiated by using either an organic precursor or a catalytic complex, leading to extensive ranges of detection. A series of advanced chemical and simulation techniques are used to probe the mechanistic details of the analytical chemistry involved. | Nathan S. Lawrence 1, Timothy G. J. Jones 2, Richard G. Compton 1 and Li Jiang 2 1. Physical and Theoretical Chemistry Laboratory, University of Oxford, Oxford, OX1 3QZ, UK 2. Schlumberger Cambridge Research, High Cross, Madingley Road, Cambridge, | 2002 | Chemical Research in Chinese Universities2002,18,2: | 2 |
| 7 | The determinants of Chinese outward foreign direct investment显示文摘 | Peter J Buckley L JeremyClegg Adam R Cross Xin Liu Hinrich Voss and Ping Zheng | | 0,,: | 1 |
| 8 | Biodegradable Polymers for the Environment显示文摘 | R A Cross and B Kalra | 2002 | SCience2002,297,5582: | 1 |
| 9 | Special report: exome sequencing for clinical diagnosis of patients with suspected genetic disorders显示文摘 | Blue Cross and Blue Shield Association | 2013 | Technol Eval Cent Assess Program Exec Summ2013,28,3: | 1 |
| 10 | Markers for predicting mortality in untreated HIV-infec- ted children in resource-limited settings : a meta-analysis 显示文摘 | Cross Continents Collaboration for Kids(3Cs4kids) Analysis and Writ- ing Committee | 2008 | AIDS2008,22,1: | 1 |
| 11 | 8 years after symptom onset显示文摘 | Sanner H Gran JT Sjaastad I et ah Cumulative organ damage and prognostic factors in juvenile dermatomyositis : a cross - sectional study median 16 | 2009 | Rheumatology( Oxford)2009,48,12: | 1 |
| 12 | Saline or albumin for fluid resuscitation in patients with traumatic brain injury显示文摘 | SAFE Study Investigators Australian and New Zealand Intensive Care Society Clinical Trials Group Australian Red Cross Blood Service | 2007 | N Engl J Med2007,357,9: | 1 |
| 13 | Use of digital breast tomosynthesis with mammography for breast cancer screening or diagnosis显示文摘 | Blue Cross and Blue Shield Association Kaiser Foundation HealthPlan Southern California Permanente Medical Group | 2014 | Technol Eval Cent Assess Program Exec Summ2014,28,: | 1 |
| 14 | Structural and dielectric properties of a-modified BiFeO3-PbTiO3 crystalline solutions显示文摘 | Cheng J R Li N and Cross L E | 2003 | J Appl Phys2003,94,: | 1 |
| 15 | On the spatial pattern of soil nutrients in grassland ecosystem显示文摘 | Schlesinger W H Raikes J A Hartley A E and Cross A F | 1996 | Ecology1996,77,: | 1 |
| 16 | A relational view of information seeking and learn- ing in social networks 显示文摘 | Borgatti P and Cross R | 2003 | Management Science2003,49,4: | 1 |
| 17 | Understanding the hydrocyclone separator through computational fluid dynamics 显示文摘 | CULLIVAN J C WILLIAMS R A and CROSS C R | 2003 | Institution of Chemical Engineers2003,81,: | 1 |
| 18 | A meta-analysis to review organizational outcomes related to charismatic leadership显示文摘 | de Groot Timothy Kiker D Scott and Cross Thomas C | 2000 | Canadian Journal of Administrative Sciences2000,17,4: | 1 |
| 19 | The relationship between populations of European tarnished plant bug (Lygus rugulipennis) and crop losses due to fruit malformation in everbearer strawberries 显示文摘 | Jay C N J V Cross and C Burgess | 2004 | Crop Protection2004,23,9: | 1 |
| 20 | Quality measures for differential GPS positioning显示文摘 | Cross P A Hawksbee D J and Nicolai R | 1994 | The Hydorgraphic Jour- nal1994,72,: | 1 |