the nature of environmental media

Natural and Enhanced Remediation Systems - Chapter 2 ppt

Natural and Enhanced Remediation Systems - Chapter 2 ppt

... coefcient, the greater the potential for sorption to the aquifer matrix The distribution coefcient is the slope of the sorption isotherm at the contaminant concentration of interest The greater the ... the critical level of organic matter increases as the surface area of the mineralogic fraction of the aquifer matrix increases The surface area of the mineralogic component of the aquifer matrix ... measurement of pe with the platinum electrode The farther apart the electrons, the more proportional work required to bring them together and the higher the respective pe A low pe system has a surplus of...

Ngày tải lên: 11/08/2014, 04:20

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Investigating knowledge intensive business services the influence of knowledge, solution characteristics, and environmental turbulence

Investigating knowledge intensive business services the influence of knowledge, solution characteristics, and environmental turbulence

... by high turbulence, the value of knowledge tends to depreciate faster because of the high levels of inter-period uncertainty Therefore, the influence of different levels of environmental turbulence ... all of these effects separately Thirdly, there is a need to study further the effects of the contingents such as IHIP and environmental turbulence, in the relationships mentioned above In the ... (2004: 618), the purpose of the knowledge-based view of the firm is “ the critical question is not whether knowledge should be owned or acquired in the market or how the exchange of knowledge...

Ngày tải lên: 16/10/2015, 15:38

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09 Physical and Chemical Characteristics of DDGS revisions.

09 Physical and Chemical Characteristics of DDGS revisions.

... 127 to 621º C The amount of time DDGS spends in the dryer also influences the color In general, the higher the dryer temperature and the longer DDGS remains in the dryer, the darker the resulting ... than 600 microns The weights of DDGS collected on each screen were then used to calculate the percentage of weight of each fraction of the total separated In addition to determining the average particle ... testing equipment is the primary equipment used to measure the strength and flow properties of bulk materials They also measure the amount of compaction as well as the bulk strength of materials (Rosentrater,...

Ngày tải lên: 08/08/2012, 10:03

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Pentachlorophenol: Toxicology and Environmental Fate

Pentachlorophenol: Toxicology and Environmental Fate

... uL of concentrated nitric acid to the residue and heat the tube in the water bath for 30 seconds Cool and add 100 uL of the mixture to mL of concentrated sulfuric acid To the remainder of the ... 200 uL of concentrated nitric acid to the residue and heat the tube in the water bath (30 s) Cool and add 100 uL of the mixture to mL of concentrated sulfuric acid To the remainder of the cooled ... concentration of the standard to give a calibration curve The concentration of pentachlorophenol in the urine sample is read off the calibration curve (after substraction of the value for the reagent...

Ngày tải lên: 23/09/2012, 15:31

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financial management practices and financial characteristics

financial management practices and financial characteristics

... almost all activities of the economy When the war ended in 1975, along with the unification of the country, the integration of the economies of the north and the south of Vietnam was set in motion ... the middle of the year 2000 in Vietnam Conversely, if the annual average profit of a business is not greater than the free-risk rate of interest, the business is said to be “not profitable” The ... characteristics of SMEs, which are derived from the financial statements, was to test hypotheses This research study was designed to test two kinds of hypotheses The first was the hypothesis of the simultaneous...

Ngày tải lên: 06/11/2012, 10:26

316 594 3
Safeguarding Public and Environmental Health: What are the Necessary Requirements of UV Reactor Validation Protocols?

Safeguarding Public and Environmental Health: What are the Necessary Requirements of UV Reactor Validation Protocols?

... than necessary) on the owner and users of the UV system There are several ways to conduct a validation of reactor performance depending on whether the challenge organism has the same or different ... curvature Because of the shape of the curve, a performance result for a target microbe of intermediate UV-resistance can be safely interpolated The example in Figure is based on the calculated dose ... prescribed 90 degree bend in the feed pipe immediately upstream of the UV reactor The USEPA draft UVDGM suggests a similar approach These concepts are based on the premise that the tested conditions...

Ngày tải lên: 05/09/2013, 09:08

8 545 0
Occurrence of Tetracycline-Resistant and Tetracycline- Degrading Bacteria in Wastewater Treatment Plant Effluent and Environmental Water Systems

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

... affected the results of this study Tetracycline degrading ability was exhibited by of 15 colonies of resistant bacteria isolated from the Unoke River water samples, and the density of these tetracycline-degrading ... determined the degradation rates and bacterial growth in each sample for the analysis of the growth of tetracycline-resistant or tetracycline-degrading bacteria and the mechanism of tetracycline ... shown in Fig The concentration values written in parentheses for the succeeding results represent the initial concentration of tetracycline in the samples No degradation was observed in the deionized...

Ngày tải lên: 05/09/2013, 10:15

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Effect of unsaturated fatty acid esters of biodiesel fuels on combustion, performance and emission characteristics of a DI diesel engine

Effect of unsaturated fatty acid esters of biodiesel fuels on combustion, performance and emission characteristics of a DI diesel engine

... numbers below 115 The index reflects the degree of unsaturation of the oil, i.e., the number of bonds available for oxygenation (the higher the iodine index, the higher the number of bonds suitable ... be believed that the lean flame out region (LFOR) is one of the main contributors to the HC concentration in the exhaust LFOR is the region that is nearer to the leading edge of the spray (downwind) ... region the mixture is too lean to ignite or support the combustion If the ignition delay is larger, the droplets and vapour will be carried farther away from the centre line of the spray in the...

Ngày tải lên: 05/09/2013, 15:28

20 483 0
Integration of energy and environmental systems in wastewater treatment plants

Integration of energy and environmental systems in wastewater treatment plants

... and then the energy consumed by each process was estimated based on the specifications of equipment of the facility and the run time There are mainly three processes that consume energy in the ... average flow, and observations from the other plants with similar conditions The BOD level of the influent is noted for every month, and the change in the BOD level of the influent in each ISSN 2076-2895 ... process, the effluent is directly discharged into the water bodies [12] The performance data of the plant for each month was collected over a period of two years The energy consumed by the plant...

Ngày tải lên: 05/09/2013, 15:28

10 635 1
Tài liệu Quality and environmental Policy docx

Tài liệu Quality and environmental Policy docx

... contracting parties in the context of possibilities to the adherence of our environmental standards By a systematic set of rules and regular examinations we guarantee the adherence of the relevant legal- ... organization Apart from the promotion of the quality and environmental awareness of our coworker, the optimization of the work surrounding field is a substantial function of our leadership level ... evaluate and monitor the impact of our activities on the environment and check in advance the possible influences of new products and procedures on the environment Already by and during the selection,...

Ngày tải lên: 12/12/2013, 00:15

4 363 0
Tài liệu Population, Resources, and Welfare: An Exploration into Reproductive and Environmental Externalities* pptx

Tài liệu Population, Resources, and Welfare: An Exploration into Reproductive and Environmental Externalities* pptx

... improvement in the standard of living and a worsening of the ownership of land, the latter probably owing to the prevalence of distress-sales of land This is the kind of finding which the new perspective ... periods of time What bears stressing is that the account does not regard any of the three to be the prior cause of the other two: over time each of them influences, and is in turn influenced by, the ... of countries in sub-Saharan Africa and the Indian sub-continent There the agricultural labour force as a proportion of the total labour force is of the order of 60-70 percent, and the share of...

Ngày tải lên: 13/02/2014, 10:20

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Tài liệu Báo cáo " Spatial organization for rational land use and environmental protection in Uong Bi Town by functional sub-areas" docx

Tài liệu Báo cáo " Spatial organization for rational land use and environmental protection in Uong Bi Town by functional sub-areas" docx

... plain of fluvio-marine genesis along the sides of Da Bac River The elevation combined with strong effect of the tides led to the formation of an acidic and saline soil cover The soil is of low ... on the results of research on structures and functions of sub-areas, analysis of the current status and the trend of socioeconomic development, regional environmental evolution, combined with the ... improvement of the ecological environment The southern part of this sub-area is of low mountain topography, composed of volcanosedimentary rocks of Binh Lieu formation This is where originate most of...

Ngày tải lên: 13/02/2014, 12:20

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Tài liệu Adult environmental education: awareness and environmental action pdf

Tài liệu Adult environmental education: awareness and environmental action pdf

... with of cial positions of the UNESCO or of the UNESCO Institute for Education Hamburg The designations employed and the presentation of the material in this publication not imply the expression of ... an awareness of the effects of the use of dynamite on fishing resources and the status of the mangroves TDC’s environmental education project includes holding workshops and the use of educational ... representatives of 140 member states and some 400 NGOs In addition to the work of the commissions and plenary which debated the of cial documents of the Conference The Hamburg Declaration and The Agenda...

Ngày tải lên: 14/02/2014, 13:20

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Tài liệu HealthDoc: Customizing patient information and health education by medical condition and personal characteristics pptx

Tài liệu HealthDoc: Customizing patient information and health education by medical condition and personal characteristics pptx

... element should be included in the output The authoring tool will then assist the author in the creation of the corresponding pieces of the master document, and their annotation with cohesive ... evolves, the nature of the kinds of selections and repairs that are needed will become clearer In turn, this will affect the characteristics of the various ‘repair’ planning modules and the ways they ... only if the knowledge base is provided essentially free of charge However, the absence of a pre-existing knowledge base of content also gives HealthDoc the freedom to specify the form of the master...

Ngày tải lên: 14/02/2014, 13:20

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Tài liệu ACCOUNTING FOR RENEWABLE AND ENVIRONMENTAL RESOURCES docx

Tài liệu ACCOUNTING FOR RENEWABLE AND ENVIRONMENTAL RESOURCES docx

... the Department of the Interior, the Bureau of Labor Statistics, the Bureau of the Census, the Energy Information Administration, the National Institute of Environmental Health Sciences, and the ... are to include the impact of air pollution on human health The impact of air pollution and other environmental activities on human health is often taken out of the context of other health-related ... indication of the interaction between the environment and the economy The limitations of these data are well recognized and were discussed in Chapter Many of the costs included in the data overstate the...

Ngày tải lên: 17/02/2014, 09:20

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Tài liệu Air Pollution and Environmental Chemistry pdf

Tài liệu Air Pollution and Environmental Chemistry pdf

... contain large amounts of sulfur Combustion of these fuels results in the emission of sulfur dioxide into the atmosphere The sulfur content of an oil depends on its source There are very few oils ... does the NOx com from in car exhaust? The NOx is formed at the high temperatures (>1200˚C) in the combustion chamber of vehicles The source of the N2 and O2 is from air that is drawn into the ... energy from the Sun in the form of radiation Most of the energy is in visible wavelengths and in infrared wavelengths that are near the visible range (often called "near infrared") The Earth reflects...

Ngày tải lên: 17/02/2014, 10:20

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Tài liệu Báo cáo khoa học: The structure and biological characteristics of the Spirochaeta aurantia outer membrane glycolipid LGLB pdf

Tài liệu Báo cáo khoa học: The structure and biological characteristics of the Spirochaeta aurantia outer membrane glycolipid LGLB pdf

... Fragments of HSQC and HMBC spectra of compound Labels illustrate assignment of the amide linkage between the amino group of Asp and the carboxyl group of GalA residue E Scheme The structures of oligosaccharides ... branching information [31] The charge state of a fragment ion is then identified by using the isotope profile, owing to the high resolution provided by the TOF mass analyser The product-ion spectrum ... 1436.42, owing to the loss of the branching xylose residues M and O, and of GlcA residue L The remaining linear sequence, consisting of K-B-F-I-D-N-Q, was confirmed by the observation of Ó FEBS 2004...

Ngày tải lên: 19/02/2014, 16:20

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Physical-Chemical Properties and Environmental Fate for Organic Chemicals pot

Physical-Chemical Properties and Environmental Fate for Organic Chemicals pot

... determination, The perception of the objectives of the authors, not necessarily as an indication of competence, but often as an indication of the need of the authors to obtain accurate values, and The reported ... estimated from the solid vapor pressure, the melting point and the entropy of fusion The use of KOA thus avoids the potentially erroneous estimation of the fugacity ratio, i.e., the ratio of solid ... impression of likely error We discuss, below, the general nature of the relationships and in particular the slopes of the QSPR plots Figures 1.7.1 to 1.7.4 show the dependence of the physical-chemical...

Ngày tải lên: 05/03/2014, 20:20

925 6.6K 2
Programme title: Soils and Environmental Pollution MSc doc

Programme title: Soils and Environmental Pollution MSc doc

... participants may either follow all the modules taught in the Autumn term in their first year and all the modules taught in the Spring term in their second year or alternatively may follow half the modules ... properties of soils, including the reasons for and consequences of the electrically charged surfaces of most soil constituents Geographic information systems A general understanding of the pathways of ... objectives of remediation 11 Sources, processing and disposal of waste materials 12 The behaviour of pollutants in soil, losses into water and current method of management to reduce the associated environmental...

Ngày tải lên: 06/03/2014, 23:20

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Forest Economic and Environmental Accounting: A pilot study of a first implementation by Statistics Sweden docx

Forest Economic and Environmental Accounting: A pilot study of a first implementation by Statistics Sweden docx

... the inclusion of net growth of timber in inventory might distort the possibility of analysis But this can be said of other items in the NA as well, e.g the inclusion of the housing services of ... in the beginning of the year than in the middle but increased and was much higher by the end of the year 14(‫)די‬ The forests in SNA Introduction The problem addressed here is the question of ... and the practical work with the tables and are the views of the authors and not necessarily the view of Statistics Sweden The authors of the report are senior statistician Marianne Eriksson, Environmental...

Ngày tải lên: 08/03/2014, 08:20

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