the role of biofilms in the uptake and transformation of dissolved organic matter
Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge
... respectively The K values of new PAC and PAC in the aeration tank were 270.6 mg g-1 and 78.4 The K value of PAC in the aeration tank was 29% of new PAC The adsorption capacity of the PAC in the aeration ... suspended into 495 ml of the glucose medium in an Erlenmyer flask as an inoculum Then, g of PAC was added into the flask and shaken at 120 rpm and 20±0.5 oC After the depletion of - 250 - DOC in the ... compared to the new one Figure shows 3,5-DCP concentrations in the PACT and the control reactors during and after the shock loading of 3,5-DCP The peak concentration in the PACT and the control...
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Influence of Phosphorus Concentration on the Biodegradation of Dissolved Organic Matter in Lake Biwa, Japan
... 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, (2) increase in internal production of ... threshold of CDP, and K is a half saturation constant for CDP–TDP The fitting curve obtained is also shown in Fig and the constants of the obtained regression lines and the coefficient of determination ... decrease in DP to the increase in CODMn However, further study on the internal production will be required for the exact evaluation of the role of biodegradation activity in the accumulation of CODMn...
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Controls of bioavailability and biodegradability of dissolved organic matter in soils
... 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 ... Biodegradation; Dissolved organic matter; DOC Introduction In the past 10 years, much progress has been made in the understanding of dissolved organic matter (DOM) functions and dynamics in soils Today, ... smaller DOM Since 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...
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Correlation of the partitioning of dissolved organic matter fractions with the desorption of cd
... behavior of OM in soils and aquatic systems Mandal et al (2000) examined the effects of Ca and Mg on Ni binding by FA They concluded that bound Ni tends to be released in the form of Ni2 + ion in the ... in log form and thus show the striking increase in soluble HA as a function of pH For the 18 soils studied, the increase in soluble HA in the pH range of to was between two and three orders of ... time and temperature reduced the mobility of Cd caused by organic matter (Almas et al., 1999) Jordan et al (1997) examined the increased mobility of Pb in the presence of natural organic matter in...
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Fouling and accumulation of dissolved organic matter in membrane bioreactors
... kinds of foulants are 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 ... concern in water and wastewater treatment systems In drinking water production, DOM is identified to be the main cause of fouling during microfiltration/ultrafiltration of surface water, resulting in ... composition of the adsorbed material on /in the membrane was very close to that of the DOM in the MBR system, indicating that DOM was the dominant foulant It was suggested that internal fouling caused...
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Biological Alteration of Zinc Complexation Characteristics of Dissolved Organic Matter in Domestic Wastewater Treatment Plant Effluent under River Water Environment
... Biodegradability of zinc binding sites in river water DOM Fig represents the variation of DOC, UV254 and SUVA during the river water incubation for weeks in the preliminary study During the first days of incubation, ... during the first days of incubation period and became persistent This degradation of binding sites was also in line with the increment of labile Zn concentration during the first days of incubation ... shown in Fig and Table 1, Zn titration data obtained for DOM in the original river water sample seems to fit into two linear portions indicating two classes of binding sites In contrast, DOMs in the...
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Báo cáo khoa học: Role of the plasma membrane leaflets in drug uptake and multidrug resistance ppt
... that the active uptake of TMRM into the mitochondria interferes with the second phase of TMA-DPH quenching (Fig 2) Initially, there is significant inhibition of the quenching in the respiring cells, ... located within the cells The rapid initial quenching of the fluorescence was essentially complete within s after the addition of TMRM The extent of the initial quenching was linear with the outer ... the blood–brain barrier and the epithelia lining the intestine and the nephrons It has been shown that the tight junctions pose a barrier to the movement of lipids between the outer leaflets of...
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The uptake and effect of a mailed multi-modal colon cancer screening intervention: A pilot controlled trial potx
... materials This reminder included a letter from the patient's physician stating again that they were due for screening, encouraging them to get screened, and reminding them to return the intervention ... about the acceptability of the intervention to those who were eligible for screening by asking if they liked receiving the decision aid in the mail We also measured interest in screening and asked ... that they liked receiving the mailing and had watched the video Five of these 12 obtained a screening test, four of whom had watched the video Our multi-modal intervention included a reminder...
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báo cáo khoa học: " The uptake and effect of a mailed multi-modal colon cancer screening intervention: A pilot controlled trial" docx
... materials This reminder included a letter from the patient's physician stating again that they were due for screening, encouraging them to get screened, and reminding them to return the intervention ... about the acceptability of the intervention to those who were eligible for screening by asking if they liked receiving the decision aid in the mail We also measured interest in screening and asked ... that they liked receiving the mailing and had watched the video Five of these 12 obtained a screening test, four of whom had watched the video Our multi-modal intervention included a reminder...
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Kinetics of natural organic matter as the initiator, promoter and inhibitor in water ozonation and its influences on the removal of ibuprofen
... representative of initiator, promoter and inhibitor Chapter illustrates the applicability of this new model in the determination of the initiation, promotion and inhibition rate constants of NOM using three ... method for the determination of rate constants of initiator, promoter and inhibitor in water ozonation The new Rct expression and the new method for the determination of rate constants of initiator, ... found that the variations of pH value in the end of experiments were within ± pH unit 0.1 2.4.3 The influences of NOM on the degradation of ibuprofen by ozonation In the experiments of ibuprofen degradation,...
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The emergence and transformation of Chicano and TurkishGerman literature
... high-ranking officials was the seminar highlight, entry into Berlin’s shiny buildings enhanced the experience A tour of the sleek metal and glass Office of the Chancellor, a glimpse inside the recently ... Rohr of the Fulbright Secretariat 26 of the collapse of the World Trade Center on September 11, 2001 The final event of the evening was the semi-production of an excerpt of the play, Things Are ... and the impending war in Iraq His speech set the tone for a week of visits to the five branches of the European Union – the Court of Justice, the Court of Auditors, the European Commission, the...
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Input and output of dissolved organic and inorganic nitrogen in subtropical forests of South China under high air pollution docx
... inputs (Fig 8) The leaching rate of DIN was higher in the old-growth forest than in the other two, as shown by a steeper slope of the regression line in Fig 8a −1 −1 In the pine and mixed forests, ... was the dominant form of DIN input in precipitation with a contribution of 68% and 56% in the first and second year, respectively (Table 2) In both years, 82–83% of the precipitation fell in the ... whereas the N sink in the mineral soil SOM is minor .In the old-growth forest, high N leaching losses may in contrast be a function of low increment that would diminish the ability of the vegetation...
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Báo cáo lâm nghiệp: "Changes in carbon uptake and allocation patterns in Quercus robur seedlings in response to elevated an 2 CO and water stress: C 13 labelling" pps
... an increase in mean global temperature at the surface of the earth of at least1 °C over the next 50 years and of about 2-4 °C before the end of the next century Owing to both the increase in ... a and to the genetic capacity of plants to increase the size or the number of their C sink organs (Kaushal et al, 1989; Vivin et al, 1995) It is also noteworthy that our 1.32fold increase in ... to increased wood density and increased the thickness of the cell walls in coniferous species (Conroy et al, 1990); but there is no straightforward conclusion on how the fractions of lignin and...
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Báo cáo y học: "Induction of HSPA4 and HSPA14 by NBS1 overexpression contributes to NBS1-induced in vitro metastatic and transformation activity" potx
... that the role of HSPA4 and HSPA14 is overlapping since knockdown of both molecules did not further decrease the in vitro migration and invasion activity (additional file 2) Whether HSPA4 and HSPA14 ... regulate the same molecules to mediate metastasis remains to be explored Our results uncovered the novel functions of these two heat shock proteins and delineated new roles of these two proteins in ... overexpression induced the expression of HSPA4 and HSPA14, two heat shock proteins In addition, HSPA4 and HSPA14 contributed to the in vitro migration, invasion, and transformation activity using siRNA...
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Báo cáo y học: "New role for Agrin in T cells and its potential importance in immune system regulation" ppsx
... assumption and it remains to be seen whether Agrin plays a role in the INF system A working hypothesis on the function of Agrin in the immune system Although the number of studies investigating the ... Depiction of the secreted and transmembrane forms of the Agrin protein Various structural domains of the protein are indicated by differential colouring resulted in a higher number of long-lasting interactions ... protein backbone that includes a number of distinct structural domains (Figure 1) There are extensive O- and N-linked glycosylations at the amino-terminal half of the protein with the addition of...
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Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal
... Institute for Rural Engineering of Japan The area of the field is 1,050 m2 (70 m×15 m), and it has an inlet and an outlet The field was fallow during the experiment The inflowing water volume was ... flow of drainage water through the equipment, the volume of charcoal in the nylon net bags was varied from the inlet to the outlet in the equipment Thus, the filling rate of charcoal in nylon net ... each in the three longitudinal spaces formed by the partitions In order to reduce clogging of the equipment by biological waste suspended in the drainage water and to ensure the smooth flow of...
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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
... significantly the concentrations of the organic matter The increase in the organic matter induced by the amendment is due to the manures which has three roles of organic matter sources, of protection of the ... source in the nutrient balances of two farming systems The objectives of this study were: i) The characterisa-tion of the different organic matter in animal manures ii) The determination of the ... that the organic matter content is the highest The organic fertilization allowed significant increases in the soil organic matter contents in the - 22 cm layer That is due to the fact that the...
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chemistry of soil organic matter
... reported hyperfine splitting of ESR signals of HA’s when these were dissolved in 0.1 N NaOH The HA’s were extracted from acidic organic soils and from inorganic soils rich in organic matter and boiled ... EXTRACTION OF HUMIC SUBSTANCES The organic matter content of soils may range from less than 0.1% in desert soils to close to 100.0% in organic soils In inorganic soils, organic and inorganic components ... a matter of products liability, negligence or otherwise, or from any use or operation of any methods, products, instructions or ideas contained in the material herein Printed in The Netherlands...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25