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effects of dissolved organic matter quality and quantity on the activity of biofllm bacteria

Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge

Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge

Môi trường

... biofilm developed on PAC, the incubation was The amount of organic carbon was indicator as the amount of biofilm developed on PAC shows the amount of organic carbon on PAC after each incubation ... quilibriumC oncentration of 3,5-D P(m l ) C g Figure Adsorption isotherm of 3,5-DCP onto new PAC, PAC in the aeration tank, and PAC in the bacterial cultivations Summary and conclusions The objective of ... Journal of Water and Environment Technology, Vol.1, No.2, 2003 3.2 Effects of dissolved organic matter (DOM) on adsorption capacity of PAC DOC concentrations in the effluent of the control rector...
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Controls of bioavailability and biodegradability of dissolved organic matter in soils

Controls of bioavailability and biodegradability of dissolved organic matter in soils

Môi trường

... communication) Other problems of these reactors are the release of DOM into the solution and the adsorption of DOM onto the biofilms Furthermore, it seems impossible to determine the pool sizes and the residence ... amounts of these fractions, and consequently, the kinetics of the degradation process will be very different Quantification of the contribution of DOM to the stable C pool in the mineral subsoil ... most DOM in the Amazon was in the larger size fraction and marine DOM consisted mainly of the small size fraction, they Table Effect of sampling date on the biodegradability of total DOM and DOM...
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Effects of cattle and poultry manures on organic matter content and adsorption complex of a sandy soil under cassava cultivation (Manihot esculenta, Crantz) doc

Effects of cattle and poultry manures on organic matter content and adsorption complex of a sandy soil under cassava cultivation (Manihot esculenta, Crantz) doc

Nông nghiệp

... study were: i) The characterisa-tion of the different organic matter in animal manures ii) The determination of the manures effects on organic matter content and adsorption complex of the soil under ... very sandy soils under the control, sandy under the cattle manure, sandy on the top horizon (0 - 22 cm) and sandy-clay on the sub horizon (22 - 55 cm) under the poultry manure The clay contents ... Arriaga and Lowely, 2003; Hao et al., 2004) The information on effect of poultry and cattle manures on soil quality is limited in Côte d’Ivoire Indeed, the quantification of the organic matter content,...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Light-quality and -quantity effects on monoterpene-mediated photo-bleaching of conifer needles" pot

Báo cáo khoa học

... Results and Discussion The results are summarized in Table I The data on the non-fumigated seedlings show - a light-dependent accumulation of pigments, a well-known physiological adaptation (for ... light environments in continuous light or in 12:12 h cycles of light and dark at 298°K After fumigation, seedlings were combined for each sample and analyzed for their pigment content and a-tocopherol ... pigment levels The increase of pigment content with P-pinene fumigation might indicate the triggering of anti-oxidant defense mechanisms Reduction in pigment content with j3-pinene fumigation occurred...
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Fouling and accumulation of dissolved organic matter in membrane bioreactors

Fouling and accumulation of dissolved organic matter in membrane bioreactors

Cao đẳng - Đại học

... the filtration of the fractional components of DOM in MBR3 with hydrophobic GVHP membranes 73 Figure 4.10 Normalized permeate flux for the filtration of the fractional components of ... system, the focus of this thesis is mainly on DOM fouling in MBR systems Therefore, it is not the task of this thesis to either investigate the roles of other components in MBR fouling, or analyze the ... direction of the feedwater is orthogonal to membrane surface All matters that are rejected by membranes remain on the surface and contribute to the formation of a cake layer The thickness of this...
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Biological Alteration of Zinc Complexation Characteristics of Dissolved Organic Matter in Domestic Wastewater Treatment Plant Effluent under River Water Environment

Biological Alteration of Zinc Complexation Characteristics of Dissolved Organic Matter in Domestic Wastewater Treatment Plant Effluent under River Water Environment

Môi trường

... corresponds to the conditional stability constants K' The y-intercept of the line gives the product of the conditional stability constant K' and total ligand concentration [Li,T] and the x-intercept ... compounds in terms of zinc complexation On the other hand, a further examination of the variation of labile Zn during the incubation revealed a slight increment of the labile Zn concentration (from 2.1 ... Interpretation of titration data with Scatchard linear transformation (a) oneligand case (b) two-ligand case; K1' and K2' represent the conditional stability constants of strong and weak ligand, respectively;...
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Influence of Phosphorus Concentration on the Biodegradation of Dissolved Organic Matter in Lake Biwa, Japan

Influence of Phosphorus Concentration on the Biodegradation of Dissolved Organic Matter in Lake Biwa, Japan

Môi trường

... contamination Evaluation of oxygen consumption Oxygen consumption for 5-day incubation (OCobs) was calculated as the difference between DO before and after incubation Then, oxygen consumption by the ... volume of the BOD bottle, and OCSE is the oxygen consumption by the filtrated secondary effluent RESULTS AND DISCUSSION Biodegradation of DOM in Lake Biwa Experimental results of the biodegradation ... and Environment Technology, Vol 9, No.2, 2011 CONCLUSIONS One of the possible hypotheses for the accumulation of CODMn in Lake Biwa is the deterioration of bioactivity for DOM degradation Accordingly,...
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Correlation of the partitioning of dissolved organic matter fractions with the desorption of cd

Correlation of the partitioning of dissolved organic matter fractions with the desorption of cd

Môi trường

... because of the manipulations (especially pH) that are required in the fractionation procedure The concentration of organic carbon and the percentage of the TOC contained in each fraction of the samples ... fractions were 100%, 107%, and 102%, respectively Fig shows the total concentrations and proportions of each of the DOC fractions in solution as a function of pH for two of the soils (Budel and ... correlation Strong correlations also exist for the partitioning of FA; however, there is little dependency of the partitioning of Hyd on pH The results for these two soils are representative of the other...
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báo cáo hóa học:

báo cáo hóa học: " e differential mediating effects of pain and depression on the physical and mental dimension of quality of life in Hong Kong Chinese adults" pptx

Hóa học - Dầu khí

... article as: Wong et al.: The differential mediating effects of pain and depression on the physical and mental dimension of quality of life in Hong Kong Chinese adults Health and Quality of Life Outcomes ... Kowloon Tong, Hong Kong 2Department of Social Work, Hong Kong Baptist University, Hong Kong 3Department of Community Medicine, The University of Hong Kong, Pokfulam, Hong Kong 13 14 Authors’ contributions ... population of Hong Kong Final report to the Health, Welfare and Food Bureau, Government of the Hong Kong Wong et al Health and Quality of Life Outcomes 2010, 8:1 http://www.hqlo.com/content/8/1/1...
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báo cáo hóa học:

báo cáo hóa học:" New quality and quantity indices in science (NewQIS): the study protocol of an international project" docx

Hóa học - Dầu khí

... and questionable allocation policies have contributed to weakening the reputation of basic and applied research all over the globe There are numerous studies on research evaluation and policy ... helpful discussions Source of support: Charité Faculty funding References 10 Conclusion As a conclusion, the use of the presently described approach to assess research quantity and quality may be ... interests The authors declare that they have no competing interests Authors' contributions BGK TCF, DQ and CS conceived the study protocol, participated in the process of the design of the methodology...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Effect of tree species substitution on organic matter biodegradability and mineral nutrient availability in a temperate topsoil" pptx

Báo cáo khoa học

... investigate the effect of forest tree species substitution on (i) the biodegradability and mineralization of carbon and nitrogen of the soil organic matter, and (ii) consequently on the mobility and availability ... carbon than the other plots, suggesting that both the quality and quantity of organic matter have to be considered as main parameters controlling organic matter biodegradability and mineralization ... position At the end of the incubation (Fig 4), the tendencies observed on the initial set data were confirmed and emphasised The F1 axis explained 66% of the total variance and opposed the soils...
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Báo cáo khoa học:

Báo cáo khoa học: "Organic matter distribution and nutrient fluxes within a sweet chestnut (Castanea sativa Mill.) stand of the Sierra de Gata, Spain" pps

Báo cáo khoa học

... and because it is related to the volume of the wood and with functional processes such as transport and the age of the tree [19, 59] Extrapolation of these findings should be done with caution ... bioelement concentration by the dry weight of either the tree or each component biomass of the stand [28, 66] Castanea sativa exhibited differential characters in the storage and concentrations of nutrients ... variations when considering the relative mass of leaves The transfer of N to the perennial parts of the tree may represent 30–50% of the amount required for the biomass production of the following...
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A study on applying Group work to increase quality and quantity of language use at High School for Gifted Students = Nghiên cứu về việc áp dụng hoạt động nhóm n

A study on applying Group work to increase quality and quantity of language use at High School for Gifted Students = Nghiên cứu về việc áp dụng hoạt động nhóm n

Sư phạm

... Methodology of the study An overview of the rest of the paper To sum up, these elaborations have not only justified the major contents and structure of the study but will also work as the guidelines ... elaboration of the introduction, the literature, the implementation and the results of the research This final part will sum up the major findings, unfold some pedagogical implications and evaluate the ... interaction” and partly “interpersonal skills” In other words, these conducted Group work in classes only get the medium level in fostering cooperation among students The second feature of one effective...
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Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures

Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures

Vật lý

... as the electronic configuration in which the HOMO contains a hole h, while the LUMO contains the corresponding electron e, thus simulating the creation of an electron–hole pair [30] Initially the ... for the eye The dashed line corresponds to the band-gap for the undoped Si-nw Fig 11 shows how the FE for the B and P codoped Si-nw changes as function of the position of the dopants within the ... concentrate on the dependence of the doped Si-nw properties on the dopant concentration, we note first that on augmenting the number of atoms in the cell (thus lowering the dopant concentration),...
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Quality and Power in the Supply Chain: What Industry Does for the Sake of Quality pdf

Quality and Power in the Supply Chain: What Industry Does for the Sake of Quality pdf

Kĩ thuật Viễn thông

... (Soft Quality) 164 The Quality Function and the Economy of the Firm 164 Conclusion 166 Part V Consequences of Standardization 14 On the Origin of Procedures 171 Procedures during the Dawn of ... for the 21st Century? 146 13 Quality Professionalism and the Ideology of Control 149 What Is Professionalism? 149 The Ideology of Quality 151 Influence of the Military and the Ideology of Quality ... Parties? 114 The Economics of Standardization 116 The Limits of Standardization 117 Standards and the Law: A Powerful Combination 119 Standards Proliferation in an Age of Regulation 120 Will It...
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Báo cáo khoa học: Murine serum nucleases – contrasting effects of plasmin and heparin on the activities of DNase1 and DNase1-like 3 (DNase1l3) doc

Báo cáo khoa học: Murine serum nucleases – contrasting effects of plasmin and heparin on the activities of DNase1 and DNase1-like 3 (DNase1l3) doc

Báo cáo khoa học

... serum with h of incubation at 37 °C Chromatin degradation in the serum of a DNase1 KO mouse was accelerated by the addition of aprotinin and the specific inhibitor for the activation of the plasminogen ... secretion of these nucleases into the medium, which was abrogated after deletion of the N-terminal rER signal peptide It is therefore conceivable that the NLS of DNase1l3 might only be functional ... allow the identification of the residual nuclease activity by, for example, the estimation of the molecular mass of the nuclease Therefore, we attempted to establish a DPZ procedure for the identification...
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Quality and Power in the Supply Chain: What Industry Does for the Sake of Quality pot

Quality and Power in the Supply Chain: What Industry Does for the Sake of Quality pot

Kế hoạch kinh doanh

... (Soft Quality) 164 The Quality Function and the Economy of the Firm 164 Conclusion 166 Part V Consequences of Standardization 14 On the Origin of Procedures 171 Procedures during the Dawn of ... for the 21st Century? 146 13 Quality Professionalism and the Ideology of Control 149 What Is Professionalism? 149 The Ideology of Quality 151 Influence of the Military and the Ideology of Quality ... Parties? 114 The Economics of Standardization 116 The Limits of Standardization 117 Standards and the Law: A Powerful Combination 119 Standards Proliferation in an Age of Regulation 120 Will It...
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Báo cáo khoa học:

Báo cáo khoa học: "Effects of Combination Dietary Conjugated Linoleic Acid with Vitamin A (Retinol) and Selenium on the Response of the Immunoglobulin Productivity in Mice" pdf

Báo cáo khoa học

... collection, the end of the duodenum and the cranial part of the cecum were tied and both ends were cut One end of the small intestine was at the stand and a conical tube was placed at the other end Then ... serum IgG concentrations of CONT, CLA1, CLA2, Effects of Combination Dietary Conjugated Linoleic Acid with Vitamin A (Retinol) and Selenium on the Response of the Immunoglobulin Production in Mice ... IgA than those of the CLA-only group However, the level of serum IgE was no significantly different between the control and experimental groups CLA increased the production of IgA and IgG while...
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