Clays, clay minerals and soil shrinkswell behavior

Chromium speciation in municipal solid waste: Effects of clay amendment and composting

Chromium speciation in municipal solid waste: Effects of clay amendment and composting
... redistribution of metal speciation during composting by humification of the organic matter Chromium speciation in municipal solid 0 day q 20th waste 21 of cornpasting Cr (w/kg) day of composting Control ... 1) In contrast to the decrease of soluble organic matter during sludge composting, it gradually increased during the composting of MSW although the increment was diminished by the addition of ... role of clay addition in controlling the mobility and plant availability of metals (Qiao et al., 1993) In order to determine the long-term fate and potential hazard of land application of MSW...
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Tài liệu Schooling and Adolescent Reproductive Behavior in Developing Countries docx

Tài liệu Schooling and Adolescent Reproductive Behavior in Developing Countries docx
... ADOLESCENT REPRODUCTIVE HEALTH AND BEHAVIOR 3.1 Early marriage and childbearing 3.2 Unprotected Sex among adolescents 10 11 SCHOOLING AND ADOLESCENT REPRODUCTIVE BEHAVIOR Sexual initiation and schooling ... a decline in the percent marrying before 18 in 24 countries and no change in countries The percent having premarital sex by age 18 has risen in 20 countries, and remained unchanged in countries ... remain, above 30 percent in Bangladesh and in many sub-Saharan African countries and as high as 28% in India Thus in many countries, child marriage remains an important factor in adolescent reproductive...
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Adsorption of heavy metal inons on soils and soil constituents

Adsorption of heavy metal inons on soils and soil constituents
... ion adsorption Spectroscopic evidence suggested the formation of weak mono- and binuclear metal- like outer-sphere complexes Parameters influencing adsorption Adsorption of heavy metal ions on soils ... the adsorption of different heavy metals onto soil humic acid [5] 50% of the Cd or Zn is adsorbed between pH 4.8–4.9 In general, adsorption of heavy metals onto oxide and humic constituents of soil ... functional groups are vital for adsorption The main parameters influencing heavy metal adsorption are soil pH, type and speciation of metal ion involved, heavy metal competition, soil composition and...
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Effect of sludge processing mode, soil texture and soil ph on metal mobility in undisturbed soil columns

Effect of sludge processing mode, soil texture and soil ph on metal mobility in undisturbed soil columns
... soil columns to determine the e€ects of sludgeprocessing mode, initial soil pH and soil texture on the short- and long-term mobility of metals and nutrients The sludge products (detailed in Richards ... adjustment in soil pH) and at the end of each cropping cycle Dewatered sludge columns saw pH levels decline somewhat during agronomic Fig Hudson and Arkport soil column percolate pH and soil pH, grouped ... tons/ha sludge loading Sludge- processing mode, soil type, soil texture and time since application had substantial e€ects on percolate metal mobilities following heavy sludge loadings Metals and nutrients...
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Effects of nutrient supply and soil cd con

Effects of nutrient supply and soil cd con
... total stem Cd amount for each soil Cd concentration (Cd0 and Cd1 ) and for both clones in Fig 3, remains the same regardless of soil Cd concentration Increased levels of Cd in the soil did not ... biomass (DW), concentration (dry weight basis) and total amount of Cd in the stem for each clone (81090 and 78183), nutrient level (N1 and N2) and soil Cd concentration (Cd0 and Cd1 ) The plants ... (c) 2.0 1.5 1.0 0.5 0.0 N1N2 Cd0 N1N2 Cd1 2-Au98 N1N2 Cd0 N1N2 Cd1 N1 N2 Cd0 2-Sp99 N1N2 Cd1 1-Au99 N1N2 Cd0 N1N2 Cd1 2-Au98 N1N2 Cd0 N1N2 Cd1 2-Sp99 N1N2 Cd0 N1N2 Cd1 1-Au99 Fig Mean values ±...
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Heavy metal contamination in soils of urban highways (comparision between runoff and soil concentration

Heavy metal contamination in soils of urban highways (comparision between runoff and soil concentration
... amount of contamination coming from abrasion of brakes, tires of vehicles, etc In calculation 311 HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS TABLE VI Amount of metals in the runoff compared ... water to surface drainage could lead to elevated metal contents in water supplies HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS 313 Conclusions Heavy metal contamination in soils taken from ... mean concentrations (EMC) HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS 297 of Zn and Cu exceeded surface quality discharge standards for all rainfall events and that Pb had two and Cd...
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influence of dopant in the synthesis, characteristics and ammonia sensing behavior

influence of dopant in the synthesis, characteristics and ammonia sensing behavior
... our investigation on the comparative study of the extent of intermolecular force, chain association and morphology of the single and co-doped PANI and the direct effects on their conductivity and ... the vibrational bands of the dopant ion and the characteristic bands of PANI indicates that the deposited PANI on the PVA matrix is in the emeraldine salt form 3.7 XRD study Since higher molecular ... 25.7° The above peaks are characteristic of the crystalline phase of the emeraldine salt [18] The higher crystallinity in PANI_HCl_PTSA can be attributed to the smaller dopant HCl helping in closer...
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chan, chockalingam and lai-overnight information and intraday trading behavior - evidence from nyse cross

chan, chockalingam and lai-overnight information and intraday trading behavior - evidence from nyse cross
... and information flow, many authors examine internationally cross- listed stocks and check whether their price behavior is different from that of non -cross- listed stocks, given their different information- flow ... residuals extracted from the regression of local close-to-close return on prior-day NYSE open-to-close returns (for Asia-Pacific stocks) or 11:30 am — NYSE close return (for UK stocks) The t-statistics ... The Asia-Pacific stocks are from Japan, Hong Kong, Australia, and New Zealand, and their local trading sessions close before the NYSE opens The European stocks are from the United Kingdom, and they...
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báo cáo hóa học: " A randomized trial of a lifestyle intervention in obese endometrial cancer survivors: quality of life outcomes and mediators of behavior change" pptx

báo cáo hóa học:
... demographic and clinical data was obtained at baseline and prior to randomization QOL and self-efficacy were assessed at baseline and at 3, 6, and 12 months Eating behavior and depression was assessed ... exercise behavior, and nutrient intake changes in overweight and obese endometrial cancer survivors [11] We found that a lifestyle intervention program in obese endometrial cancer survivors is feasible ... Correlates of exercise motivation and behavior in a population-based sample of endometrial cancer survivors: an application of the Theory of Planned Behavior Int J Behav Nutr Phys Act 2007, 4:21 Daley...
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Dự án nông nghiệp " Major Cropping Soils and Soil Constraints to Productivity of Major Upland Crops Grown by Smallholders - Southern Central Coast " pdf

Dự án nông nghiệp
... used by smallholders in the focus provinces, and document the specific soil requirements of these crops /cropping systems link soil constraints to the soil requirements of the major upland crops and ... Fluvisols and Arenosols comprise the major soil types of the South Central Coast of Vietnam The areal extents of the soils are given in Table Of the total land area of the Southern Central Coast, ... The landforms of the Southern Central Coast comprise: (i) mountains and midlands, (ii) river deltas, and (iii) coastal sand dunes, floodplains and swamps Major Soils used for Smallholder Cropping...
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Dự án nông nghiệp " Major Cropping Soils and Soil Constraints to Productivity of Major Upland Crops Grown by Smallholders - South East Region " pptx

Dự án nông nghiệp
... used by smallholders in the focus provinces, and document the specific soil requirements of these crops /cropping systems • link soil constraints to the soil requirements of the major upland crops ... Red soils (Ferralsols) Grey soils (Acrisols) Acid sulphate (Fluvisols) Black soils (Luvisols) Alluvial soils (Fluvisols) Colluvial soils (Fluvisols) Sandy soils (Arenosols) Skeletal soils (Leptosols) ... comprising the two major soil groups and accounting for 75% of the total area Table Major soil groups in the South East Region of Vietnam (Source: Phạm Quang Khánh, 1997) No Soil types Total area (ha)...
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