metabolic pathway of chitin and its oligosaccharides in marine bacterium vibrios

ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - NATURAL SYSTEMS FOR WASTEWATER TREATMENT pdf

Ngày tải lên : 10/08/2014, 20:20

... G.A., D.A Hammer, and D.A Tomljanovich, Constructed Wetlands for Acid Drainage Control in the Tennessee Valley, in Mine Drainage and Surface Mine Reclamation, Bureau of Mines Information Circular ... growth of algae by restricting the penetration of sunlight.9 The unique ability of wetland plants to translocate oxygen to support a wide range of bacteria in the wetlands is shown in Figure Wetlands ... horizontal.12 The schematic flow diagram of submerged flow wetlands is provided in Figure 2(b) Comparing the two types of constructed wetland systems, the SF type of wetlands offer several advantages over...

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Tài liệu Bevacizumab and cetuximab for the treatment of metastatic colorectal cancer docx

Ngày tải lên : 14/02/2014, 22:20

... given in its current licensed indication either as a second-line treatment following failure of an irinotecan-containing regimen or as a subsequent-line treatment following failure of both irinotecan- ... addition of cetuximab to continuous oxaliplatin and 5-FU improves overall survival when compared with either continuous oxaliplatin and 5-FU on its own, or intermittent oxaliplatin and fluoropyrimidine ... first-line use of cetuximab in combination with standard chemotherapy regimens is being investigated in a number of studies One example is the COIN study (NCT00182715), which aims to determine whether...

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Báo cáo y học: "Intra-articular hyaluronan (hyaluronic acid) and hylans for the treatment of osteoarthritis: mechanisms of action" pps

Ngày tải lên : 09/08/2014, 01:21

... amounts of leukotriene C4, 6-keto-prostaglandin F1alpha, prostaglandin F2alpha and interleukin-1beta in synovial fluid of patients with internal derangement in disorders of the temporomandibular joint ... production of IL-1, TNF-α, and MMPs, increase TIMP-1, and inhibit prostaglandin release [32,40] Local production of growth and differentiation factors such as insulin-like growth factor 1, transforming ... proinflammatory cytokines IL-1 and TNF-α [29–31,36] NO may be involved in cartilage catabolism by inhibiting the synthesis of collagen and PG, enhancing MMP activity, reducing the synthesis of...

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Biotechnology for waste and wastewater treatment n cheremisinoff

Ngày tải lên : 16/03/2014, 18:11

... captured in the pollution control equipment of a cement kiln is very useful in final drying and in stabilizing metallic sludges to prevent leaching after land disposal Recycling the processing chemicals ... mineral leaching can be applied to water decontamination in conjunction with other microorganisms In many mining operations, water is pumped out of the mines to prevent flooding Water used in ... Effect of Temperature on Kinetics Effect of pH on Kinetics Effect of DO on Kinetics Effect of Organic Loading on Kinetics Inhibition of Nitrification...

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Biotechnology for waste and wastewater treatment

Ngày tải lên : 16/03/2014, 18:11

... Effect of Temperature on Kinetics Effect of pH on Kinetics Effect of DO on Kinetics Effect of Organic Loading on Kinetics Inhibition of Nitrification ... mineral leaching can be applied to water decontamination in conjunction with other microorganisms In many mining operations, water is pumped out of the mines to prevent flooding Water used in ... found in activated sludge consist of bacteria, fungi, protozoa, and rotifers The growth and predominance of microorganism types are controlled by $ a number of circumstances including type of waste-organic...

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Market analysis and developing a competitive marketing strategy for selling medical solid waste wastewater treatment equipment to customers in vietnam

Ngày tải lên : 23/07/2014, 03:36

... the roots of an industry‘s current profitability while providing a framework for anticipating and 33 influencing competition and profitability over time Furthermore, understanding industry structure ... crucial in doing business in a foreign market? How is it conducted?  What are core factors in doing business to business?  What are the role and the importance of segmenting and targeting a market? ... remaining stakeholders, for instance DoH, DoNRE and hospital waste treatment product suppliers, are interviewed under the form of the in- depth interview The interviews with people in charge of...

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ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS docx

Ngày tải lên : 10/08/2014, 20:20

... in terms of BOD and suspended solids reduction, and degree of disinfection achieved may be questionable Holding Tanks and Recirculating Toilet A holding tank is a closed container for retaining ... Evaluation of marine toilet chlorinator units, New York State Department of Health, Project No GL-WP-1 (July 1962) 47 Yacht Safety Bureau, Inc., Requirements of marine sewage incinerating devices ... disposal systems are being marketed which are designed and built for railroad trains These include incinerating toilets, retention tanks, and recirculating toilets Incinerating toilets built for...

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MATHEMATICS MANUAL FOR WATER AND WASTEWATER TREATMENT PLANT OPERATORS - PART pps

Ngày tải lên : 11/08/2014, 13:22

... wear in plant machinery In addition, the removal of various materials at the beginning of the treatment train saves valuable space within the treatment plant Two of the processes used in preliminary ... useful in the operation of trickling filters: these include hydraulic loading, organic loading, and biochemical oxygen demand (BOD) and suspended solids (SS) removal Each type of trickling filter ... loading on the trickling filter, two things must be known: the pounds of BOD or COD being applied to the filter media per day and the volume of the filter media in units of 1000 cubic feet The BOD and...

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MATHEMATICS MANUAL FOR WATER AND WASTEWATER TREATMENT PLANT OPERATORS - PART 4 pdf

Ngày tải lên : 11/08/2014, 13:22

... poured into a 2000-mL graduated cylinder, and allowed to settle for 30 or 60 minutes The settling characteristics of the biosolids in the graduate give a general indication of the settling of the ... Avogadro’s number and has a value of 6.022 ¥ 1023 ߜ Interesting Point: How big is Avogadro’s number? An Avogadro’s number of soft drink cans would cover the surface of the Earth to a depth of over 200 ... by taking the moles of solute and dividing by the liters of solution: Molarity = moles of solute liters of solution Example 33.10 Problem What is the molarity of moles of solute dissolved in liter...

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MATHEMATICS MANUAL FOR WATER AND WASTEWATER TREATMENT PLANT OPERATORS - PART 5 docx

Ngày tải lên : 11/08/2014, 13:22

... pipeline is 2.4 ft/sec If the 10-inch pipeline flows into an 18-inch-diameter pipeline, what is the velocity in the 8-inch pipeline (in ft/sec)? 35 A float travels 500 ft in a channel in minute ... long and contains water to a depth of 12 ft? A tank has a diameter of 60 ft and a depth of 12 ft Calculate the volume of water in the tank (in gallons) What is the volume of water in a tank (in ... pipeline has water flowing at a velocity of 2.9 fps) What is the flow rate through the pipeline (in gpm)? 58 The velocity in a 10-inch pipeline is 2.6 ft/sec If the 10-inch pipeline flows into an 8-inch...

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MATHEMATICS MANUAL FOR WATER AND WASTEWATER TREATMENT PLANT OPERATORS - PART 1 potx

Ngày tải lên : 11/08/2014, 13:22

... calculating ßow and detention times, and determining the areas and volumes of different shapes This review also explains how to keep track of units of measurement (inches, feet, gallons, etc.) during ... Water Chlorination Calculations Chlorine Disinfection Determining Chlorine Dosage (Feed Rate) Calculating Chlorine Dose, Demand and Residual Breakpoint Chlorination Calculations Calculating Dry ... than in any other subject, each word used has a definite and fixed meaning The math terminology and definitions section will aid in understanding the material in this book MATH TERMINOLOGY AND DEFINITIONS...

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A new hybrid treatment system of bioreactors and electrocoagulation for superior removal of organic and nutrient pollutants from municipal wastewater

Ngày tải lên : 13/09/2015, 17:48

... regardless of internal recycling ratios and its in uent concentration Ó 2013 Elsevier Ltd All rights reserved Introduction The increase of inorganic nutrients in naturally receiving nonpoint sources, ... during operation of the hybrid pilot plant was also determined, as shown in Fig 2c and d In addition, during the monitoring period of hybrid system, the average alkalinity concentration in influent, ... bacteria In addition, these results also demonstrated that T-N removal efficiency increased with increasing in the internal recycling ratio R The T-N in the final effluent was mainly in the form of NOÀ...

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Báo cáo y học: "Inhalation with Fucose and Galactose for Treatment of Pseudomonas Aeruginosa in Cystic Fibrosis Patients"

Ngày tải lên : 03/11/2012, 11:48

... aeruginosa lectins PA-I and PA-II that bind to fucose and galactose contribute to the vilrulence of this bacterium (10) Therefore blocking of these lectins may prevent ongoing colonization and inflammation ... fucose and galactose can prevent binding of PA lectins I and II (8, 15) In those studies inhibition of ciliary beats due to PA lectins was quantified as well as restoration by adding fucose and/ or ... alone and combined therapy of inhalation and antibiotics decreased P aeruginosa load in sputum Previous studies used hypertonic saline solution or mannitol as inhalation treatment in CF (11-14) Inhalation...

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Behavior of Nitrite Oxidizers in the Nitrification/Denitrification Process for the Treatment of Simulated Coke-Oven Wastewater

Ngày tải lên : 05/09/2013, 09:38

... '"# Figure Band intensities for Nitrobacter species While in Figure 4, the band intensities were high only in Runs and 7, and their band intensities were quite similar, PCR method in general is ... Behavior of nitrate and nitrite at the end of the aerobic tank Behavior of Nitrobacter species The analysis of nitrite oxidizing bacteria was performed with PCR and FISH By both of PCR and FISH ... effective reactor consisted of 45L of anoxic tank and 135L of aerobic tank, and a sedimentation tank Influent was 60L/day pH was 8.0-8.5 in the anoxic tank, and 7.0-7.5 in the aerobic tank The water...

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Contact-Adsorption-Regeneration-Stabilization Process for the Treatment of Municipal Wastewater

Ngày tải lên : 05/09/2013, 09:38

... fluctuation in the NH4+-N removal and ±15% fluctuation in the PO43 P removal An increase in the recycle ratio resulted in an increase in the COD removal and an increase in NH4+-N and PO43 P removals ... A.H and Smith M.W (1951) The biosorption process of sewage and waste treatment Sewage and Industrial Waste, 23, 1248-1253 Wilen B M and Jin B (2003) The influence of key chemical constituents in ... HRT of the adsorption tank were kept at 30 In Series II, R was increased from 20% to 60%, and the SRT, HRT of regeneration tank, and HRT of the adsorption tank were kept at d, h and 30 min, respectively;...

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Multi-criteria Evaluation of Wastewater Treatment Scenarios for Small Towns in Developing Countries - Case Study of Toan Thang Town in Vietnam

Ngày tải lên : 05/09/2013, 10:15

... simultaneously using three sources of water (rainwater, drilled well water, and hand-dug well water) for cooking, drinking and domestic purposes However, the numbers of hand-dug wells in use are reducing ... absence of sustainability, or of threats to sustainability In order to this, proper sustainability criteria/indicators must provide this information, to indicate our progress in achieving sustainability ... sludge in an inventory year, kg BOD/year Ui = fraction of population in income group i in inventory year Ti,j = degree of utilization of treatment/discharge pathway or system, j, for each income...

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Occurrence of Tetracycline-Resistant and Tetracycline- Degrading Bacteria in Wastewater Treatment Plant Effluent and Environmental Water Systems

Ngày tải lên : 05/09/2013, 10:15

... pollution and sustaining water systems In this study, we added tetracycline to water samples, incubated the samples in the laboratory, and determined the degradation rates and bacterial growth in each ... stored in an ice box or in a refrigerator maintained at 4°C We started the experiment within 24 h of sampling Tetracycline hydrochloride (Tokyo Chemical Industry, Japan) was dissolved in predetermined ... degradation in the sample with the initial tetracycline concentration of mg/L (2) Not all bacteria growing in the water environment containing tetracycline were capable of degrading the antibiotic...

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Integration of energy and environmental systems in wastewater treatment plants

Ngày tải lên : 05/09/2013, 15:28

... Engineering from North Carolina State University, Master of Engineering in Mechanical Engineering and Master of Business Administration from the University of Hartford, and her doctorate in Engineering ... Professor with the Department of Engineering Management and Systems Engineering, Missouri University of Science and Technology Prior to joining Missouri S&T she was an Assistant Professor in ... Departments of Management and Marketing, Missouri Southern State University and Coordinator of the transportation-logistics program She holds a PhD and an M.S in engineering management, B.S in physics and...

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King County Solid Waste and Wastewater Treatment Utility Operations docx

Ngày tải lên : 06/03/2014, 23:20

... The County asserts it fully exercises their management rights with respect to collective bargaining agreements and “when appropriate and necessary engages in bargaining of the decisions and/ or effects when appropriate. ”The County indicates it is pursuing the negotiation of installation of cameras to improve monitoring with the representing union as directed by the ... We met with shop management to discuss this potential issue. After discussions with management, we recreated the organizational structure of the SWD Fleet Maintenance program to gain a better understanding of the operating and reporting structure, union representation and span of control. SWD Fleet Maintenance personnel are represented by five unions and nine separate union contracts. Contract designations among ... achieved in a number of ways, such as reducing or eliminating services, implementing leading practices, changing or eliminating roles and functions and pooling of information technology. In addition to these opportunities, Initiative 900 seeks recommendations for statutory or ...

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Functional cellulose derivatives and their applications in food and pharmaceutical products

Ngày tải lên : 09/09/2015, 18:51

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