individual and unit water supply and purification
Analysis on the Optimal Dispatching of Mixed-pump Stations and the Operating-mode Adaptability Based on Safety Water Supply
... Journal of Water and Environment Technology, Vol 7, No 2, 2009 stations is of great significance in practice Further more, in view of the complexity and variability of the network topology and mixed-pump ... determine the best speed ratio according to the actual demand of water supply system Because of the limitations of speed control devices and characteristic of pumps, there are different speed ranges ... Figure 1, there is no intersection of curve b and H=HS, this means that if the speed ratio is reduced to n1, the pump will unable to supply water and even suffer flow-back under the outlet pressure...
Ngày tải lên: 05/09/2013, 09:38
Children’s Health Deficits due to Diarrhoea: Effects of Water Supply and Sanitation Systems in Slums with Different Water Logging Conditions
... utilities for (b) water supply and (c) sanitation systems and attitudes for (d) water treatment at home, (e) children’s defecation habits and (f) hygiene practices Note: Communities code name, ... Short-term and Rainy, SHU: Short-term and Heavy rainy, SDG: Short-term and Drainage, LSD: Long-term and Stagnant, LHT: Long-term and Heavy rainy, LMK: Long-term and Monsoon flood, PDL: Persistent and ... income < USD30 Utilities: Water supply Households using tap water supply Households using ground water Households using surface water Households using mixed sources of water Sanitation system Households...
Ngày tải lên: 05/09/2013, 10:15
Volatile Organic Compounds in the Nation’s Ground Water and Drinking-Water Supply Wells pdf
... of water that is clean and safe for drinking and recreation and that is suitable for industry, irrigation, and habitat for fish and wildlife Escalating population growth and increasing demands ... pesticides, and nitrate in samples from domestic and public wells;(12) (2) VOCs in the water supply of selected community water systems (CWSs);(13, 14) (3) MTBE and gasoline hydrocarbons in ground water; (15) ... commercial, and domestic applications and can contaminate ground water through sources such as landfills and dumps, leaking storage tanks, septic systems, leaking water and sewer lines, stormwater...
Ngày tải lên: 14/03/2014, 19:20
AN IMPACT EVALUATION OF EDUCATION, HEALTH, AND WATER SUPPLY INVESTMENTS BY THE BOLIVIAN SOCIAL INVESTMENT FUND pptx
... (Hanushek 1995, Kremer 1995), health (Alderman and Lavy 1996, Lavy and others 1996, Mwabu and others 1993), and drinking water (Brockerhoff and Derose 1996, Lee and others 1997) The main conclusions of ... regressions of the difference between 1997 and 1993 in availability of piped water, adequacy of water throughout the day and year, distance to water supply, and adequacy of sanitation facilities on ... training through the World Bank– financed Rural Water and Sanitation Project (Prosabar) Data from before and after the sif water supply investments in Chaco and the Resto Rural show that the main changes...
Ngày tải lên: 22/03/2014, 15:20
The IBNET Water Supply And Sanitation Performance Blue Book - The International Benchmarking Network For Water And Sanitation Utilities Databook potx
... in and quantifying and assessing the water supply and sanitation sectors, IBNET helps meet the goal of providing safe, sustainable, and affordable water and sanitation for all We invite water and ... The IBNET Water Supply and Sanitation Performance Blue Book The IBNET Water Supply and Sanitation Performance Blue Book The International Benchmarking Network for Water and Sanitation Utilities ... utilities’ operational and financial performance IBNET has established the The IBNET Water Supply and Sanitation Performance Blue Book first global benchmarking standard for water and wastewater utilities,...
Ngày tải lên: 22/03/2014, 16:22
Risk Management of Water Supply and Sanitation Systems doc
... disposal, drainage of wastewater and rainwater, solid waste disposal and vector control Natural and manmade hazards and the sustainability of water resources are important issues in Water Resources Management ... levels reached by the water, the violence and speed of its flow, and the geographical area covered Both too much water and too little can be a problem for water supply and sewerage P HLAVINEK ... Estimating water demand during and after the disaster for all purposes is an extension to normal water demand estimating RISK MANAGEMENT OF WATER procedures Determining the capability of the water supply...
Ngày tải lên: 28/06/2014, 22:20
Báo cáo lâm nghiệp: "Effect of contrasting water supply on the diameter growth of Norway spruce and aspen in mixed stands: a case study from the southern Russian taiga" pot
... understorey, transpiration and water uptake by trees and understorey plants, water infiltration in the soil, soil heat exchange, photosynthesis and respiration of overstorey and understorey vegetation ... 1–1.5 m deep underground water table on the brown sandy-loam soils was covered by mixed uneven-aged forest stand and rich herbaceous layer A boggy area with underground water table rising up to ... )·n ij , where t and t0 are the current day and the day of the first measurement in the growing season, S(t) is the stand basal area (in m2 ha–1), k and m are numbers of species and DBH classes,...
Ngày tải lên: 08/08/2014, 00:22
ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - PLANNING WATER SUPPLY AND SANITATION PROJECTS IN DEVELOPING NATIONS pptx
... (1) groundwater, (2) rain water, (3) springwater, and (4) surface water Depending on the sources of water supply, many techniques have been found effective and applicable to the water and sanitation ... Rainwater In developing countries rainwater is sometimes used to supplement the other water supply sources In some tropical islands rainwater is the only source of domestic water supply Rainwater ... organize the community, conduct training, and assist the community in the selection and installation of water supply and sanitation facilities, and provide continued operation and maintenance...
Ngày tải lên: 10/08/2014, 20:20
Báo cáo y học: "Methemoglobinemia in critically ill patients during extended hemodialysis and simultaneous disinfection of the hospital water supply" pdf
... Sanosil AG, Hombrechtikon, Switzerland) Water disinfection was performed at a stationary waterprocessing unit The disinfectant was added proportionally to the main water flow using a digital dosage ... filters in the water supply of the portable reverse osmosis system As a result, hydrogen peroxide has no longer been detected in the permeate and dialysate during water disinfection, and increases ... Germany) Water disinfection was routinely performed bimonthly Additionally, treatment was undertaken when construction work on the water supply had been performed Due to frequent construction work, water...
Ngày tải lên: 13/08/2014, 19:20
ACTUAL URBAN WATER SUPPLY SITUATION OF VIETNAM construction and development program until 2010 and 2020 ppsx
... for water supply to Da Nang and some urban areas in the Middle land and Highland extracting water from Sªrªpok river is now under studying and to be implemented after the year 2010 1.7 HCMC Water ... order to develop water supply program to serve for the inter-regional and inter-provincial services (Da River water supply project, Sªrªpok river water supply project, Dong Nai water supply project ... un-accounted for water and losses with such criteria as: percentage < 40% for the existing water supply system and < 30% for the new water supply system 4/ Other programs: w w w n v - Renovation and finalization...
Ngày tải lên: 13/08/2014, 22:21
adb-ho chi minh city water supply and sanitation rehabilitation-completion report
... water supply and sanitation conditions and ensuring the provision of safe, reliable, and sustainable water supply in HCMC , through (i) rehabilitating, with some expansion, water supply and sanitation ... Rehabilitation of four clear water reservoirs (nos 1, 2, 3, and 4) LS unit unit km no 10.8 10.8 no no no no 18 20 no no 21 7 no LS LS no 4 unit 7 unit unit unit unit no 1 1 km m m no no no 65.0 ... infrastructure and environment and human resources development For the urban water supply and sanitation sector, the strategy identified as the first priority the rehabilitation of the water supply and...
Ngày tải lên: 21/08/2014, 15:20
WATER-SUPPLY AND STORM-WATER SYSTEM DESIGN
... J Doland, and John L Cleasby, as reported in their book, Water Supply Engineering, McGraw-Hill SI values were added by the handbook editor Water- Supply and Storm -Water System Design WATER- SUPPLY ... Characteristics Slow sand filters Usual filtration rate Sand depth Sand size Sand uniformity coefficient Water depth Water velocity in underdrains Cleaning frequency required Units required 2.5 ... underground flow into a gravity well (Babbitt, Doland, and Cleasby.) FIGURE Relation between groundwater table and ground surface (Babbitt, Doland and Cleasby.) Per cent of total possible drawdown...
Ngày tải lên: 08/12/2016, 10:09
Preparative isolation and purification of six volatile compounds from essential oil of Curcuma wenyujin using high-performance centrifugal partition chromatography doc
... or the difference between K2 and K1, and the reduction in band width Within the eight tested solvents systems, the differences between K2 and K3, and between K4 and K5 in solvent systems (petroleum ... (2H, m, Hb-2 and Hb-6 ) and 2.00 (2H, m, Hb-3 and Hb-5 ) The 13C NMR spectrum of compound displayed signals at d: 22.8 (C-3 and C-5), 27.5 (C-7), 28.8 (C-9 and C-10), 31.5 (C-2 and C-6), 32.9 ... not be separated from each other by CCC Since K2 and K4 were close to K3 and K5, respectively, curcumol (2) and germacrone (3), and curzerene (4) and 1,8-cineole (5) were hardly separated from...
Ngày tải lên: 07/03/2014, 21:20
AFRO-CUBAN BATÁ DRUM AESTHETICS: DEVELOPING INDIVIDUAL AND GROUP TECHNIQUE, SOUND, AND IDENTITY potx
... systems, and on the other hand, the differing ratios of other African and Indigenous influences in both Cuba and Brazil (Sturm 1977) While most scholars and musicians recognize the musical and ritual ... fostering community awareness of AfroCuban arts, and providing venues where musicians and dancers can collaborate; and everyone who supported my work by editing, translating, transcribing, and providing ... freedom to explore hand percussion in addition to my classical percussion education My final and deepest thanks are extended to my family: Mom and Dad, Margaret and Joe, my sisters and brothers, Granma...
Ngày tải lên: 16/03/2014, 14:20
Terrorism and Disaster Individual and Community Mental Health Interventions pot
... events and among disaster workers may foster better understanding of the traumatic experience and group cohesion This may decrease individual isolation and stigma, and facilitate identification of individuals ... Carol S Fullerton et al Wright, K M and Bartone, P T (1994) Community responses to disaster: The Gander plane crash In Individual and Community Responses to Trauma and Disaster: The Structure of Human ... community, see to the media, organize and anticipate future needs and on and on and on No task was too heroic or too mundane and, ignoring pre-established job descriptions, we tackled each and...
Ngày tải lên: 29/03/2014, 00:21
Which Money Is Smart? Mutual Fund Buys and Sells of Individual and Institutional Investors docx
... Khorana, Servaes, and Wedge (2007)), of the fund’s corporate governance (Cremers et al (2006)), and of the fund family (Nanda, Wang, and Zheng (2004)) Understanding whether, how, and to what extent ... pre-1991 period, and to their use of quarterly data The conclusions of Gruber and Zheng about the presence of smart money in mutual fund investing hold for both the United States and the United Kingdom ... risk-free rate, and SMBt , HMLt , and UMDt are returns on the size, value, and momentum factor mimicking portfolios, respectively Our monthly Fama and French (1992, 1993) size and value factor...
Ngày tải lên: 30/03/2014, 12:20
separation and purification techniques in biotechnology
... separating and purifying fermentation and biotechnology products I would like to acknowledge the helpful suggestions of Henry C Vogel, the patience of George Narita and the support and understanding ... Conversion 3.5.1.3 Purification 3.5.1.4 Concentration 3.5.2 Purification Procedures 3.5.2.1 Purification of Strong Bases 3.5.2.2 Purification of Strong Acids 3.5.2.3 Purification of ... Cataloging-in-Publication Dechow, Frederick J Separation and purification biotechnology techniques Data in Includes bibliographies and index Biomolecules Separation Biomolecules -Purification Biotechnology Technique...
Ngày tải lên: 02/04/2014, 16:34
inorganic membranes for hydrogen production and purification a critical review and perspective
... dense phase metal and porous ceramic membranes, and compare their separation properties and performance in membrane reactor systems in particular for natural gas reforming and the water gas shift ... delivery and distribution infrastructure (4) Efficient fuel cells and other energy conversion technologies that utilize hydrogen One of the promising candidates for hydrogen separation and purification ... economy’ is Iceland which has set a goal for a complete transition to hydrogen by 2030 In this scenario, hydrogen will be produced via Iceland’s geothermal and hydro resources and fed into fuel...
Ngày tải lên: 13/05/2014, 01:01
Báo cáo hóa học: " Bacterial-based systems for expression and purification of recombinant Lassa virus proteins of immunological relevance" doc
... literature and in the manufacturer's manual for the pMAL expression system (pMAL Protein Fusion and Purification System Manual, New England BioLabs); and (2) translocation of LASV GP1 and NP to ... singlestranded RNA molecules, designated small (S) and large (L) [7] Two genes on the S segment encode NP, GP1, and GP2; whereas, the L segment encodes the viral polymerase (L protein) and RING ... simple, and cost-effective diagnostic assays that can be readily deployed, implemented, and performed in resource-poor settings Toward this end, we report on the expression, purification, and characterization...
Ngày tải lên: 20/06/2014, 01:20