an overview of the history chemistry and transport of chlorinated solvents
Environmental Forensics: Principles and Applications - Chapter 1 docx
... Ontario/sand and gravel Borden, Ontario/sand and gravel Otis Air Force Base, MA/ sand and gravel Rocky Mountain Arsenal, CO/ sand and gravel California site/sandy silt California site/fine sand California ... a contaminant between the solid and liquid phase and the relative retardation of the chemical The higher the fraction of the chlorinated solvent sorbed, the less is available for transport deeper ... night stalking and the use of her computer during this effort ©2000 CRC Press LLC Contents Chapters through An Overview of the History, Chemistry, and Transport of Chlorinated Solvents 1.1 Introduction...
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Study on solute transport through RO NF membranes
... be another driving force for solute transport and the electrostatic interaction between charged membrane and ions might play an important role in transport process However, the above theories and ... problems of ion transport through dense RO membrane has also been addressed Chapter and Chapter investigate the ion transport mechanisms and discuss the transport behaviors in both single and mixed ... such as DeGroot and Masur (1962), Katchalsky and Curran (1975), and Kondepudi and Prigogine (1999) The other types of models are based on their assumed transport mechanism, such as the solutiondiffusion...
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CONSOLIDATION ANALYSIS OF EMBANKMENT IN STAGED CONSTRUCTION ON SUBGRADE SOFT SOIL
... MODELLING OF AN EMBANKMENT DAM For the simplification of the analysis purpose, an earthfill dam in the model is assumed as homogeneous and built of sandy clay on the subsoil of soft clay and fine sand ... consolidation of 25 months, the displacement of point A and B ( see figure 1) are about 0.038 m and 0.120 m respectively (Fig 2) The total displacement of the soft subsoil and dam is 0.187m (Fig 6) and the ... describing nearly the field conditions can be computably solved and predictably evaluated the behaviour and stability of the structures The main purposes of FE-analyses are the determination of stresses...
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Báo cáo " Influence of intradot Coulomb interaction on transport properties of an Aharonov-Bohm interferometer " ppt
... (L) and the right (R) leads, while k and εkα are the longitudinal wave number and the corresponding energy of the electron The energies of the single particle states α+ + α within the ring and ... considers the role of the quantum ring that connects to the quantum dot, which was ignored in the previous works [9, 14], since the typology of the ring may play an important role in the transport ... are the same Resonant tunneling between the two leads occurs and the current flows when an energy level in the dot is aligned with the Fermi level in the ring and in the leads When one of the...
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Study on Strategic Evaluation on Transport Investment Priorities under Structural and Cohesion funds for the Programming Period 2007-2013 docx
... transport The analysis of the current situation is summarized in a SWOT table on the main strengths and weaknesses The assessment of the transport system is followed by an analysis of the key transport ... location, the transport sector, particularly freight transit, plays a key role in the economy of the country Transport, storage and communications comprise approximately 16% of the GDP The transport and ... management of the state road network, administration of the State Road Fund and organisation of public procurement for the state road network Maintenance and development of parish, company and...
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Báo cáo khóa học: Identification of residues controlling transport through the yeast aquaglyceroporin Fps1 using a genetic screen ppt
... sequence and predicted structural similarity with the channel forming B- and E-loop We suggested that B- and N-loops may interact In the models shown (Fig 6), the 226–236 region of the N-loop and ... was wild type for GPD1 and GPD2 and therefore capable of producing glycerol The ability of the novel alleles to complement the lack of FPS1 was tested by shifting transformants from high osmolarity ... biophysical analyses have revealed the mechanisms that ensure very rapid transport and at the same time high selectivity of water or glycerol transport [17–22] Fps1 is an atypical aquaglyceroporin as the...
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Study on Strategic Evaluation on Transport Investment Priorities under Structural and Cohesion funds for the Programming Period 2007-2013 ppt
... the number of passengers transported and especially the advance the creation of integrated urban transport systems has meant with the railway covering a significant proportion of the demand in metropolitan ... transport The analysis of the current situation is summarized in a SWOT table on the main strengths and weaknesses The assessment of the transport system is followed by an analysis of the key transport ... all the capitals of the 47 provinces and a number of other important cities by four-lane motorways The daily intensity of traffic in many of these relations is below the usual standards for the...
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Báo cáo khoa học: cAMP increases mitochondrial cholesterol transport through the induction of arachidonic acid release inside this organelle in Leydig cells pdf
... feature in the regulation of cholesterol transport by AA and the release of AA in a specialized compartment of the cells could offer novel means for understanding the regulation of steroid synthesis, ... the acute phase (early response) of steroid synthesis, the release of AA into the mitochondria is the first stimulator of cholesterol transport The sustained phase of the acute response will then ... (DBI) [37,38] It can be postulated that the role of DBI is to facilitate the transport of fatty acids through the mitochondrial outer membrane The homology between the DBI and an acyl-CoA binding...
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dynamical symmetries for nanostructures implicit symmetries in single-electron transport through real and artificial molecules
... physics, and in particular, the ubiquitous Kondo effect and other hallmarks of quantum impurity problems Thereby, we expose yet another facet of the existing deep and profound relations between quantum ... operator of the rank r On the one hand, it is clear that the operators X ΛΛ are able to generate all the ˆ eigenstates of the Hamiltonian H from any given initial state Λ On the other hand, the components ... by means of the operator U+ = X ↓0 Interrelations between the values of the parameters λ , μ , the eigenvalues of the operators Tz and Q and the eigenvalues |Λ of the Hubbard Hamiltonian are...
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Báo cáo hóa học: " A retrospective evaluation of the impact of a dedicated obstetric and neonatal transport service on transport times within an urban setting" pptx
... is responsible for the bulk of the performance improvement Another aspect of the process that influences the success is that while it focussed on ring fencing of the ambulance and its staff, it ... these transfers more efficiently, but the appropriateness of the dispatch or the quality of the clinical management cannot be determined It is therefore not known whether the introduction of the ... 15, 30, 40 and 60 Mean status time: This is calculated using the time in minutes for each of the individual observations and then calculating the mean This was reported for each of the different...
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Dissertation abstracts study on improving the cropping systems on some main soil types in dong hy district thai nguyen province
... studied and should be studied more; they were annual crop land on the river banks and hilly land planted forest plants combined with some agricultural crops The thesis has not referred to the agricultural ... Topography and land According to statistic data, a total area of land used for cultivation was 46.117,2 and is divided into five main groups The survey results on current use of these types of land ... diversification and multilayer plants There were protected forest trees at the top of the hill, orchard plants in the middle and crops grown in the valley Rubber trees at hills were planted in rows of 10-15...
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Báo cáo lâm nghiệp: "Comparison of mycobiota of diverse aged spruce stands on former agricultural soil" pot
... roots show a random and relatively irregular distribution in the soil and they may be absent especially if a small probe is used (e.g probe cm in diameter) and therefore we used for quantitative ... R.L., 1983 Conifer fine root and mycorrhizal root biomass within the forest floors of Douglas-fir stands of different ages and site productivities Canadian Journal of Forest Research, 13: 429–437 ... Dermocybe and Cortinarius (Telamonia) sp and also the species Russula aeruginea – 51%) On all of them only Laccaria laccata and Suillus grevilei fructified In the study plot Bystré II the fructifications...
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Báo cáo khoa học: "Regional scale effects of base cation fertilization on Norway spruce and European beech stands situated on acid brown soils: soil and foliar chemistry" pdf
... (1995) The altitude of the stands varies between 380 m and 560 m Depending on the ecological sector (table I), the mean annual temperature ranges between 6.5 oC and 8.0 oC, and total annual precipitation ... classification, the selected stands are on Dystric and Eutric cambisol Humus type is moder The natural association of the beech stands is LuzuloFagetum and the sub-association varies between typicum and ... limited to the spruce stands in 1997, and mean pH in the F1 and F2 treatments differed from the control by only one tenth of pH unit (tables V and VI) Despite the decrease of exchangeable Al...
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Báo cáo lâm nghiệp: " Radial growth of mature pedunculate and sessile oaks in response to drainage, fertilization and weeding on acid pseudogley soils" ppt
... of 2.6 The stand is also an old coppice-with-standards but less degraded than the Molinia site The standards are almost exclusively pedunculate oaks, ranging in age between 50 and 160 years The ... in young plantations of Pinus elliottii On the other hand, in the mature oak stands we have studied, the duration of the fertilizing effect depended on the age of the trees: the positive effect ... potential role of the herbaceous ground vegetation in the radial growth of mature oak stands This role was double, and the two aspects had to be dissociated to understand the effect of weeding The dense...
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Báo cáo y học: " The function of 7D-cadherins: a mathematical model predicts physiological importance for water transport through simple epithelia" pdf
... be an elegant means of effectively regulating the water transport Of course there are other mechanisms too, but the passive reaction of the cadherins to the Ca2+-changes that occur coupled to the ... 12 Note that the first factor on the left-hand side is always negative The water flux changes the direction if (c2 - c1 ) changes sign, and therefore if the right-hand side of Eq changes sign Thus ... water is still transported from the lumen into the cleft From there the hypertonic solution is transported by fluid flow and diffusion into the interstitium where the electrolyte and the water will...
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development of on-the-go soil sensing technology for mapping soil ph, potassium and nitrate contents
... endanger the health of human infants and ruminant animals (Brady and Weil, 2004) Advances in commercial nitrogen fertilizer manufacturing has not diminished the importance of nitrogen management but ... rate and magnitude of depletion of potassium and nitrate activity in the root zone of winter wheat They utilized a 1M NaCl salt bridge and KCl standards in water for potassium electrode and 1M ... theoretical slope of calibration equation typically remains similar and depends on the targeted ion’s valence and temperature On the other hand, ISE aging and mechanical wear of sensitive membrane may...
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First principles investigation on transport properties of graphene based systems
... (b) The band structure of a 12-ZGNR The α- and β-spin states are degenerate in all energy bands ∆0 and ∆1 denote the direct band gap and the energy splitting at kdz = z z π, respectively (c) The ... down channel as that in Figs 4.6(c) and 4.6(a) and suppresses spin up channel as that in Figs 4.6(d) and 4.6(b) (c) and (d) Isosurface plots of the Γ-point wave functions of π ∗ and π subbands ... functionalization and doping can affect the bandgap, thus, the relationship between the bandgap and the width of GNRs becomes uncontrollable The non-uniform and uncontrollable bandgap in real GNRs limits...
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Random finite element analysis on cement treated soil layer
... 1981; Vanmarcke and Grigoriu, 1983; Ghanem and Spanos, 1991; Haldar and Mahadevan, 2000) This SFEM has been combined with a Taylor series technique to facilitate estimation of the mean and standard ... varying from one simulation to the next Consequently, a sample of the response can be obtained, and the unbiased estimates of the mean and variance of the response, r, can be respectively calculated ... 1, the main objective of this study is to examine the effect of the heterogeneity of the admixed columns and their positioning errors on the mass performance of the treated ground As part of the...
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Modeling and simulation of electron transport through nanoscale heterojunctions
... QUANTUM TRANSPORT The parameter and are the shorthand notation for time and momentum coordinates, 1=[k1 ,t1 ] etc., and the subscript c stands for integral around the contour in Fig.(2.1) and of ... between the source and drain leaving a Coulomb island quantum dot and the gate can tune the quantum dot occupations Discrete quantum channels in the centre region exhibits quantized conductance as the ... conductance is given by, G= 2e2 h τn n Since the transmission coefficient of each channels can take value between zero and unity, the conductance of a single channel is mostly less than G0 The quantitative...
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