photoluminescence and carrier transport in nanocrystalline tio2

... decisions both in level of investigation and in designs Nowadays Iiiany technical activities relate to the coastal regions and uoar-sliore basins and the Iiood for oiivironiiiciit protection in these ... models in coastal engineeri.v.g Pcntoch press 1988 Jcrakii Scliiioor Enviromnental modeling Fate and transport o f pollutants in water, Building system f o r simulation o f dynam ics an d 19 air and ... protection in these cloniains rapidly increases This all luakos ougiiicers and designers in their works must loarn Hindi about the dynamic characteristics and processes of pollution transport there At

Ngày tải lên: 11/12/2017, 12:05

... decisions both in level of investigation and in designs. Nowadays Iiiany technical activities relate to the coastal regions and uoar-sliore basins and the Iiood for oiivironiiiciit protection in these ... Mathematical models in coastal engineeri.v.g Pcntoch press 1988 Jcrakii Scliiioor Enviromnental modeling Fate and transport o f pollutants in water, Trang 10air and soil Wiley-Interscieuce Publication, ... protection in these cloniains rapidly increases This all luakos ougiiicers and designers in their works must loarn Hindi about the dynamic characteristics and processes of pollution transport there At

Ngày tải lên: 18/03/2021, 10:35

... one In both cases, the Ca2+ concentration increased gradually from the beginning of leaching, decreased after a peak, and then increased and decreased again This behavior indicates that the initial ... the transport of salts such as cations (Na+, Ca2+, Mg2+ and K+) and Cl- in a column were investigated by using a tensiometer and a four-electrode sensor, and the amounts of these salts in soil and ... examine the change in hydraulic conductivity that occurs as a result of adding the gypsum, and to examine the transport of solutes in alkali soil reclamation The inner hydraulic conductivity and

Ngày tải lên: 05/09/2013, 09:38

... problem CFD modeling and simulation for heat and mass transport in PEM fuel cells are being used extensively in researches and industrial applications to gain better understanding of the fundamental ... transfer; CFD 1 Introduction Modelling and simulation play significant roles in fully characterizing a PEM fuel cell Changes in operating conditions and physical parameters affecting its performance ... much better understood using CFD coding [1] Fuel cell modelling combines multiphysics couplings ranging from electrochemistry and thermodynamics over transport phenomena in porous media to material

Ngày tải lên: 05/09/2013, 14:58

... membrane carrier, displaying a highaffinity binding site for bilirubin It is competitively inhibited by grape anthocyanins, including aglycones and their mono- and di-glycosylated derivatives In plant ... high-affinity bilirubin binding only in the liver, but not in carnation (Table 1, section D) Conversely, antibody B identifies a site involved in the high-affinity binding of cyanidin 3-glucoside in carnation ... human ligandins: characterization of a binding-site peptide Biochim Biophys Acta 955, 296–300 52 Gregus Z & Klaassen CD (1982) Role of ligandin as a binding protein and as an enzyme in the biliary

Ngày tải lên: 20/02/2014, 01:20

... tyrosine kinase inhibitor, tyrphostin A25 Insulin-induced IRS and caveolin-1 tyro-sine phosphorylation are attenuated, but still present after pretreatment with tyrphostin A25 (Fig 5A) Insulin-induced ... conditions, insulin did induce tyrosine phosphorylation of IRb, IRS-1 and IRS-2, indicating that arsenite does not interfere with the insulin-induced activation of this pathway (data not shown) Insulin-stimulated ... identified using antibod-ies against the IR b-chain and integrin-b1 (data not shown) As can be seen in Fig 2A, when probing the fractions with an antibody against GLUT4, both insulin-and arsenite-treatment

Ngày tải lên: 21/02/2014, 00:20

... fast membrane binding and integration into the Tic complex Reducing conditions on the other hand lead to solubilization into the stroma and increased interaction with its other known interaction ... N-terminal half of the protein, including the dehydrogenase domain Specific binding of the FNR is mediated by a unique series of proline/serine-rich repeat motifs located in the C-terminus For the integration ... calmodulin; ClpC, caseinolytic protease C; Cpn, chaperonin; FNR, ferredoxin-NADP+-oxidoreductase; Hip, Hsp70-interacting protein; Hop, Hsp70/Hsp90-organizing protein; Hsp, heat shock protein; IEM, inner

Ngày tải lên: 07/03/2014, 03:20

... protein transport, with the amphi-pathic helix and C-terminal tail interacting only in response to conditions leading to protein transport [30] The Tat translocon needs to transport proteins of ... proteinaceous insertion machinery Other single-spanning proteins have also been suggested to use this membrane integration route, including the photosys-tem II subunits, PsbW and PsbX In describing ... Trang 1Protein transport in organelles: Protein transport into and across the thylakoid membrane Cassie Aldridge*, Peter Cain* and Colin Robinson Department of Biological Sciences,

Ngày tải lên: 07/03/2014, 03:20

... adenosine triphosphate (ATP), 4-aminopyridine, aprotinin, 1-chloro2,4-dinitrobenzene, clotrimazole, creatine kinase, creatine phosphokinase, daunorubicin, dideoxyforskolin, isobutylmethylxanthine ... overnight in 3% (w/v) bovine serum albumin The filters were rinsed with mL of ice-cold stop solution and the tracer retained on the filter was determined by liquid scintillation counting All transport ... transport and that vincristine inhibits the high affinity DNP-SG transport in the presence but not in the absence of GSH [12,45,46] Thus the effect of vincristine on the cGMP uptake was also tested in

Ngày tải lên: 23/03/2014, 21:20

... reduction in cell death in CAVM1 cells An intriguing mechanism, in this regard, is the presence of scaffolding domain in caveolin-1 that binds to and inhibits the activity of several signaling proteins ... increase in cell number in sub-G1 and G0/G1 phase, with a corresponding decrease in other phases Interestingly, concentrations of RES between 10 and 100 μM induced a modest but reproducible increase ... signaling proteins in vitro and in situ, including the EGF and Neu receptors, Src-family kinases (Src/Fyn), PKCs, eNOS and the heterotrimeric G-proteins [32] Thus, it remains to be explained why over-expression

Ngày tải lên: 18/06/2014, 15:20

... SiNx materials is commonly suggested from the combination of Si/SiNxinterface luminescence, gap state luminescence/band-tail luminescence, and luminescence from Si nanodots/clusters In this investi-gation, ... to annealing at 1100°C in N2, and subsequently in form-ing gas (10% H2 + 90% N2) The PL peak intensity increases about 28% due to this additional forming gas annealing step, indicating passivation ... memory window of 4.45 V was obtained at a low operating voltage of ± 8 V for the sample containing 25% excess silicon and annealed at 1000°C, indicating its utility in low-power memory devices Introduction

Ngày tải lên: 21/06/2014, 05:20

... explore the use of ordinal TiO2 in DSSCs; this includes TiO2 nanowires, nanorods, and TiO2 nanotubes [TNTs] The preparation of TNTs by a hydrothermal treatment of TiO2 powder in a 10-M NaOH aqueous ... glass using the screen printing technique and sintered again at 450°C for 15 and at 500°C for 15 in air Assembly of the DSSCs The nanoporous TiO2 electrode films were immersed in the dye (N-719) complex ... by spin-coating an H2PTCl6 solution onto the FTO glass and heating at 450°C for 30 The dye-adsorbed TiO2 electrode and the PT counter electrode were assembled into a sandwich-type cell and sealed

Ngày tải lên: 21/06/2014, 17:20

... mathematical modeling, and numerical methods His present interests are in understanding and predicting the transport and fate of sediments and contaminants in surface and ground waters and the effects ... and commercial fishers as well as for swimming, windsurfing, surfing, scuba diving, snorkeling, and shellfishing Since 1995, fish consumption advisories and health warnings have been posted in ... transported downstream, and again © 2009 by Taylor & Francis Group, LLC Sediment and Contaminant Transport in Surface Waters deposited in low-flowing and quiescent areas of the river (including...

Ngày tải lên: 18/06/2014, 22:20

... multiplying or dividing by two For example, very coarse sand is defined as particles with diameters between and mm, and very fine sand is defined as particles with diameters between 1/8 and 1/16 ... and the units of d and ws are cm and cm/s, respectively For d in µm and ws in µm/s, ws = 0.898 d2, or ws © 2009 by Taylor & Francis Group, LLC d2 (2.6) 32 Sediment and Contaminant Transport in ... Sediment and Contaminant Transport in Surface Waters mineralogy and size of an inorganic particle tend to be related Large particles with a diameter greater than 62.5 µm are defined as sands and gravels...

Ngày tải lên: 18/06/2014, 22:20

... obtained by inserting the coring tube into the bottom sediments; this core and its contents then are retrieved and inserted into the Shaker frame The thickness of the sediment in the coring tube ... of sand had eroded at this site between fall and spring In a brief bathymetric survey of the area, it was determined that water depths in this area had increased by up to 1.5 m, again indicating ... the lowering of the three dams in 1987 and the subsequent modification and increase in the flow velocities In this river, as shown above in Figures 3.9(c), (d), and (e), as well as in the Housatonic...

Ngày tải lên: 18/06/2014, 22:20

... the outer cylinder rotating and the inner cylinder stationary In this way, a reasonably uniform velocity gradient can be generated in the fluid in the annular gap between the cylinders The width ... analyzer As shown by Camp and Stein (1943) and Saffman and Turner (1956), the flocculation rate in a laminar flow can be related to the rate in a turbulent flow by replacing the laminar shear by an effective ... long and 10 cm wide The tube was insulated with styrofoam on all sides, top, and bottom and kept away from windows and drafts Experiments were usually performed in the late afternoon and evening...

Ngày tải lên: 18/06/2014, 22:20

... Basin and quite weak in the deeper parts of the basins 5.5.2.2 A North Wind For a north wind, both wave height and wave period increase southward with increasing wind fetch For the Western Basin, ... calculated and measured currents near surface and near bottom at the Boeing station are shown in Figure 5.14 Despite difficulties and uncertainties in averaging measurements and calculations in the ... and Contaminant Transport in Surface Waters 5.1.5 SIGMA COORDINATES In a Cartesian grid, the vertical distances between grid points depend only on z and not on x or y In a variable-depth basin,...

Ngày tải lên: 18/06/2014, 22:20

... and sediment inflow The transports in the Lower Fox and Saginaw rivers are discussed here to illustrate various interesting features of sediment transport in rivers and the modeling of this transport ... to changes in particle size distributions and the inclusion of bedload and bed armoring All are significant and need to be included in sediment transport modeling 6.3.3 TRANSPORT IN A CURVED ... Sediment and Contaminant Transport in Surface Waters west wind (the dominant wind throughout the year), a northeast wind (the dominant direction during large storms), a southeast wind, and a northwest...

Ngày tải lên: 18/06/2014, 22:20

... Sediment and Contaminant Transport in Surface Waters the steady-state partitioning of an HOC between sedimentary particles and water are discussed subsequently In this first set of experiments, linear ... constant and independent of dissolved HOC concentration at constant temperature) were obtained However, nonlinear and interactive effects on isotherms are often observed and have been reported in the ... Francis Group, LLC 300 Sediment and Contaminant Transport in Surface Waters size and density distributions are not wide, and the variation in k is less than Because of this and because of our meager...

Ngày tải lên: 18/06/2014, 22:20

... EROSION/DEPOSITION AND TRANSPORT Two HOC transport problems are discussed in this section: (1) the transport of PCBs in the Saginaw River, including the assumption of equilibrium partitioning; and (2) the transport ... that remains in the water decreases as the wind speed increases, the total amount of PCBs remaining in the water increases because of the very nonlinear increase of sediment and contaminant resuspension ... Group, LLC 316 Sediment and Contaminant Transport in Surface Waters A simple and idealized problem of contaminant release and transport during environmental dredging is discussed in Section 8.6; the...

Ngày tải lên: 18/06/2014, 22:20