elemental complexation by dissolved organic matter in lakes implications for fe speciation and the bioavailability of fe and p
Biological Alteration of Zinc Complexation Characteristics of Dissolved Organic Matter in Domestic Wastewater Treatment Plant Effluent under River Water Environment
Ngày tải lên :
05/09/2013, 10:15
... equation, as explained in Chaminda et al (2010) and in the Appendix of this paper RESULTS AND DISCUSSION Biodegradability of zinc binding sites in river water DOM Fig represents the variation of DOC, ... seems to fit into two linear portions indicating two classes of binding sites In contrast, DOMs in the samples after and weeks fitted to a single line, signifying only one type of binding site It ... of incubation In contrast to the results of the preliminary experiment for river water, there was also no significant variation of SUVA in the incubation of DOM in WWTP effluent The results for...
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Influence of Phosphorus Concentration on the Biodegradation of Dissolved Organic Matter in Lake Biwa, Japan
Ngày tải lên :
05/09/2013, 10:17
... monitored these days, there were few DP data before 1999 Therefore, the ratio of DP to TP was estimated from DP and TP data in 1986, 1990 and 1999-2009 at Imazuokichuo-point and Minamihiraokichuo-point ... thought to be provided by primary production From the viewpoint of mass balance, the four possible pathways to increase DOM in the lake are as follows: (1) increase in the DOM loading from the watershed, ... One of the possible hypotheses for the accumulation of CODMn in Lake Biwa is the deterioration of bioactivity for DOM degradation Accordingly, the influence of phosphorus concentration on the...
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Controls of bioavailability and biodegradability of dissolved organic matter in soils
Ngày tải lên :
15/03/2014, 23:22
... is probably the depletion of degradable compounds by the activated microorganisms during late spring and summer On the other hand, the preferential degradation of small compounds in the spring ... winter and these compounds would largely appear in the small size class For aquatic DOM, Amon and Benner (1994, 1996) found opposite results In their samples obtained from the Gulf of Mexico and ... the optimal utilisation of the organic compounds present in a certain soil This hypothesis was proven by Block et al (1992), who tested the effect of different inocula on the biodegradation of...
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Fouling and accumulation of dissolved organic matter in membrane bioreactors
Ngày tải lên :
14/09/2015, 11:16
... that of the DOM in the MBR system, indicating that DOM was the dominant foulant It was suggested that internal fouling caused by adsorption of DOM into membrane pores forms the major part of the ... improved understanding of the role of DOM in both reversible and irreversible fouling iv) To investigate the composition, characteristics, and fouling potential of DOM both in the MBR and in the effluent ... inherently interrelated as they exist in a single 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...
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Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge
Ngày tải lên :
05/09/2013, 08:40
... Blocking pores on PAC by biofilm may also decrease the adsorption capacity of PAC for 3,5-DCP To clarify the effect of biofilm on the adsorption capacity of PAC, PAC covered with biofilm was made and ... has the same adsorption capacity as new PAC The decrease in the adsorption capacity of PAC in the aeration tank significantly deteriorated in the performance of PACT process -1 Adsorption Capacity ... adsorption isotherms of new PAC and PAC in the aeration tank for 3,5-DCP are shown in Figure Although the adsorption capacity of the PAC in the aeration tank include that of activated sludge, the...
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Correlation of the partitioning of dissolved organic matter fractions with the desorption of cd
Ngày tải lên :
15/03/2014, 23:22
... between partitioning of all of the operationally defined fractions and pH This may be explained by the fact that the slope values of the regression lines for partitioning of log Kd-OC values vs pH ... solubility of Cu and Pb could be due to the pH-induced solubilization of organic matter This would have important implications for many natural and engineered systems For example, increasing pH in wastewater ... divided by TOC in each fraction at a particular pH increasing pH The y-axes in Fig 2a and c are in log form and thus show the striking increase in soluble HA as a function of pH For the 18 soils...
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Effect of chlorine on adsorption ultrafiltration treatment for removing natural organic matter in drink2
Ngày tải lên :
16/03/2014, 00:07
... sorption capacity for NOM as those in suspension Any changes of the sorption capacity of IOPs located at different places were examined for raw water and are compared in Fig Different trends in ... 30 3.2 Interaction of chlorine with dissolved and colloidal NOM in IOP/UF To examine the interaction of chlorine with dissolved NOM and colloidal particles during IOP/UF and UF alone, UV and TOC ... to dissolved matter by chlorination should contribute to an increase of carbon content in the dissolved NOM pool, resulting in lower DOC removal during IOP/UF 3.3 Effect of IOP deposition and...
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Báo cáo khoa học: "Initial mineralization of organic matter in a forest plantation soil following different logging residue management techniques" pps
Ngày tải lên :
08/08/2014, 14:21
... removal of logging residues increased this effect even further On the other hand, in the uncut stand, plant cover intercepted the rainfall, decreasing by up to 17% the amount of water reaching the ... factors determine the availability of N to plants and export of N in both the short and long term In Northern Spain, commercial forest plantations make up more than 30% of the land area The plantations ... tree harvesting with removal of logging residues and forest floor, b) mechanical incorporation of logging residues and forest floor into the upper 20 cm of the mineral soil, and c) logging residues...
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SOIL ORGANIC MATTER IN SUSTAINABLE AGRICULTURE - CHAPTER 3 pot
Ngày tải lên :
12/08/2014, 05:21
... has been applied as urea at 200 lb ac–1 in NPH and MNPK plots and 300 lb ac–1 in HNPK plots In NPK and MNPK plots, P as triple superphosphate and K as muriate of potash are applied at 49 and 93 ... PS PK PK PK M UN N HN M U M PS PK PK PK M N N HN U M U M PS PK PK PK M UN N N M H Inputs A B C FIGURE 3.2 Inorganic nutrient status of Morrow Plots, pH in 1:1 water, (A) P via Bray P- 1 (B), and ... structure The development of predictive relationships between measures of POM, or other properties including aggregate and processes of interest, will be proof of their utility At present, POM’s...
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SOIL ORGANIC MATTER IN SUSTAINABLE AGRICULTURE - CHAPTER 5 doc
Ngày tải lên :
12/08/2014, 05:21
... sporulates during the winter on the infected standing straw, and the spores percolate through the soil and infect the roots of the newly planted wheat Pythium seed and root rots increase in reduced-tillage ... stability, pH, nutrient and heavy metals content, weed seed and human and plant pathogen loads) affect its utility in a specific cropping system In addition, the problems and opportunities in the cropping ... Cultural practices and inputs affecting soil and cropping system properties regulating plant disease suppression must be identified and then articulated into a site- and cropping-system-specific management...
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SOIL ORGANIC MATTER IN SUSTAINABLE AGRICULTURE - CHAPTER 6 pot
Ngày tải lên :
12/08/2014, 05:21
... mucigel on plant roots and the plant cell wall are the first lines of defense Other defense mechanisms include (1) the hypersensitivity response (the death of host tissue around the point of infection ... unpublished data) The protein component appears to be 30 to 40% of the molecular structure, measured by comparisons of gravimetric and protein weight and preliminary amino acid measurements The ... Figure 6.9 examines more closely the distribution of glomalin produced by Plant Hyphae grew into the root-free zone in the top half of the pot (Figure 6.9) and apparently released glomalin that was...
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SOIL ORGANIC MATTER IN SUSTAINABLE AGRICULTURE - CHAPTER 8 pptx
Ngày tải lên :
12/08/2014, 05:21
... inputs and C outputs Crop rotation and the intensity of cropping can affect the quantity and quality of organic inputs The type of tillage management along with cropping intensity can also affect the ... Crop/Component Spr wheat – grain Spr wheat – grain Spr wheat – grain Spr wheat – grain Spr wheat – grain Win wheat – grain Win wheat – grain Win wheat – grain Win wheat – grain Win wheat – grain ... of potentially sequestering more C in soil The soil surface is the vital interface that receives much of the fertilizers and pesticides applied to cropland, receives the intense impact of rainfall,...
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SOIL ORGANIC MATTER IN SUSTAINABLE AGRICULTURE - CHAPTER 9 pot
Ngày tải lên :
12/08/2014, 05:21
... was independent of soil history or rate of application, but largely reflected the properties of the compost Depending on the total amount of compost applied and the residual from previous applications, ... strategy involves growing mixtures of small grains and legumes, providing for a range of potential residue qualities in a single input (Kuo and Sainju, 1998) After incorporating the plant mixture, ... materials of varying decomposition rates enter the soil to supply nutrients while maintaining SOM Including Perennial Crops Including perennial forage grasses or perennial legumes in a crop rotation...
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SOIL ORGANIC MATTER IN SUSTAINABLE AGRICULTURE - CHAPTER 10 doc
Ngày tải lên :
12/08/2014, 05:21
... rotation can in uence root colonization by mycorrhizae In years following spinach (Spinacea oleraceae) and bell pepper (Capsicum annuum), spore populations of most species of AM were depressed and had ... Northwest, U.S.A Winter wheat–fallow, in which only one crop is grown every years, is the dominant cropping system in the low-precipitation dryland cropping region of the inland Pacific Northwest ... affect the biomass and biodiversity of plants by causing patches that differ in size and plant species (Cid and Brizuela, 1998) Also, because of overgrazing, species composition in grazing lands...
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SOIL ORGANIC MATTER IN SUSTAINABLE AGRICULTURE - CHAPTER 11 (END) ppt
Ngày tải lên :
12/08/2014, 05:21
... ecosystems By ingesting and turning over large amounts of soil and organic matter, they increase the rates of mineralization of organic matter, converting organic forms of nutrients into inorganic forms ... matter decomposition THE POTENTIAL OF VERMICOMPOSTING IN PROCESSING AND UPGRADING ORGANIC WASTES AS PLANT GROWTH MEDIA INTRODUCTION Thermophilic composting is being increasingly used to process a ... fungi in the soil of a tropical pasture in India and in the gut and casts of the earthworm Drawida caleb living in the pasture These authors isolated 19 species of fungi from the soil, 16 species...
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geochemical characterization of organic matter in victoria harbour sediments, hong kong
Ngày tải lên :
14/11/2014, 07:29
... continues along a northwestern pathway (Huang and Yim, 1997) East China Sea China Taiwan Hainan South China Sea Philippines Fig 1.6 Map illustrating the pathways of typhoons, with wind speeds of ... understanding of processes contributing to methane generation Bulk properties (e.g., %Corg, %N, δ13Corg, and δ15N), lipid composition and profiles were applied to delineate changes in organic matter ... Arlene and Minnie, for their love and for always being there for me My Oklahoma host families, Drs Tom and Patti Landers, and Hal and Clara Jefferies, have been a positive influence in my life I...
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Challenges faced by information technology students in reading english for computer science
Ngày tải lên :
18/12/2013, 15:37
... reading in ESP teaching and learning such as definitions such as definition of ESP, types of ESP and challenges in teaching and learning English for Computer Science; finally the typical features of ... reader’s understanding depends on what appears in the text and that the reader performs two tasks when reading, namely decoding and comprehending For them, decoding is going from the printed word ... Interactive theorists appreciate the role of prior knowledge and prediction, and at the same time emphasize the importance of rapid and accurate processing of the actual words of the text Most foreign...
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Tài liệu ORGANIC CONTAMINANTS IN SEWAGE SLUDGE FOR AGRICULTURAL USE ppt
Ngày tải lên :
14/02/2014, 03:20
... available per human being has dropped by 40% since 1970 and two out of five people living on the planet have water supply problems (RTD info 21) One of the reasons for that is the contamination of land ... responsible for most of the PCBs and PCDD/Fs in plant leaves However they consider the presence of contaminated soil particles in the feed as an important pathway for PCDD/F or PCB uptake in farm animals ... suggested in the draft of the “Working paper on sludge” 12 Tabel 3.1-1: Standards for concentrations of organic contaminants in sewage sludge in different countries of the EU AOX DEHP LAS NP/NPE PAH PCB...
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Báo cáo khoa học: Activation of PMCA by calmodulin or ethanol in plasma membrane vesicles from rat brain involves dissociation of the acetylated tubulin/PMCA complex pdf
Ngày tải lên :
23/03/2014, 07:20
... PMCA form part of the same complex inserted into PMVs and that PMCA4 is one of the isoforms present in the complex The in uence of ethanol and calmodulin on the acetylated tubulin ⁄ PMCA complex ... tubulin preparation containing low proportion of the acetylated isotype the amount of PMCA increased in the precipitates with a corresponding decrease in the soluble fractions Taken together, these ... quantified by scion imaging software Tubulin preparation Two brain tubulin preparations containing different proportions of the acetylated isotype were obtained as described previously [2] These preparations,...
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Báo cáo y học: "Compression of the lower trunk of the brachial plexus by a cervical rib in two adolescent girls: case reports and surgical treatment." pot
Ngày tải lên :
10/08/2014, 10:20
... investigation pre- and postoperatively in patients with compression of the brachial plexus The symptoms of the patients corresponded to the findings in the clinical examination and the MRI, indicating ... things in the hand, when a pressure was applied supraclavicularly (e.g carrying a backpack) or when working with the hands above the plane of the shoulder Percussion of the area of the palpable cervical ... Consent Informed consent was obtained from the patients and their parents for publication of this case report and any accompanying images A copy of the written consent is available for review by the...
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- hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam
- xác định các mục tiêu của chương trình
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- khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản
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- tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam
- điều tra đối với đối tượng giảng viên và đối tượng quản lí
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- khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam
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- nội dung cụ thể cho từng kĩ năng ở từng cấp độ
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