dense membranes for oxygen transport

... Membrane oxygen enrichment: I Demonstration of membrane oxygen enrichment for natural gas combustion J Membrane Sci 1986, 29:69-77 Bhide BD, Stern SA: A new evaluation of membrane processes for the oxygen- enrichment ... loading For example, O2 permeability increases from 3.3 Barrers for the plain PFA membrane to 966.4 Barrers for the 30% Sil-PFA composite membrane The O /N ideal selectivity increases from 1.25 for ... activation energy for nitrogen and oxygen permeation through PFA and 20% SilPFA membranes are presented in Table It is apparent that N molecules require more energy to penetrate through the membranes...

Ngày tải lên: 20/06/2014, 23:20

Ngày tải lên: 01/11/2013, 11:20

... Information for Transport 144 Related Information for Energy 148 List of Tables Table 1: List of Air Pollution and GHG Emissions Indicators and Input Parameters for Road Transport ... Indicators for Road Transport and Electricity Sectors 14 Guidelines for Generation, Interpretation and Analysis of AP and GHG Emissions Indicators for Road Transport 29 Guidelines for Generation, ... indicators for transport and energy sectors, including a proposed system for data collection and future updating of data and indicators • Guidelines for each indicator and input parameter for road transport...

Ngày tải lên: 17/02/2014, 10:20

... breaking news 10   Transportation for America http://t4america.org/ Transportation for America has formed a broad coalition of housing, business, environmental, public health, transportation, equitable ... U.S Secretary of Transportation This forum provides an opportunity for Department of Transportation officials to engage in a dialogue with interested citizens, members of the transportation community, ... Marketing Approaches for Public Transportation December 2009 Performing Organization Code Author(s) William P Morris, Kelly Robertson, Jeremy Spinks Performing Organization Report No Performing Organization...

Ngày tải lên: 16/03/2014, 01:20

Ngày tải lên: 16/03/2014, 08:20

... independent transfection assays were performed EMSA EMSA reactions were performed using nuclear extracts of HEL cells and [32P]dCTP-labelled double-stranded probes (Fig 2B) For supershift assays, lL of ... Oyamada and Ms T Hatano for valuable technical assistance This work was FEBS Journal 272 (2005) 2696–2704 ª 2005 FEBS supported by Grants-in-Aid for Scientific Research for the Ministry of Education, ... the Ministry of Education, Science and Culture of Japan (Nos 15590587 for Dr H Okuda, 15591018 for Dr T Kamesaki and 15590586 for Dr S Iwamoto) References Mollison PL, Engelfreit CP & Contreras...

Ngày tải lên: 16/03/2014, 19:20

... -2.0 for rice, -1.2 for wheat flour, -1.3 for pork and -1.6 for edible oils The own-price elasticities for the amount of foods consumed were: -0.12 for rice, -0.16 for wheat flour, -0.38 for pork ... -0.30 for edible oils The overall own price elasticities, accounting for both probability and amount of foods consumed, were: -0.38 for rice, -0.36 for wheat flour, -0.48 for pork and -0.25 for ... elasticities with respect to pork for consuming foods were: 0.21 for wheat flour, 0.36 for coarse grains and 0.33 for edible oils; however, they were: -0.93 for rice and -0.32 for eggs What is known about...

Ngày tải lên: 17/03/2014, 08:20

... reconcile cooperative oxygen binding with stabilization of the bound dioxygen With respect to this, we also give possible implications for the unstable haemoglobin mutants leading to the formation of ... molecular oxygen with the haem iron(II) is the basis of haemoglobin function Even in air-saturated buffers, however, HbA is oxidized easily from the oxygenated form (HbO2) to the ferric(III) metform ... ferric met-form for each chain, the oxygenated species was oxidized by the addition of potassium ferricyanide The mixed chain solution containing either the a or b chain in the ferric met-form was...

Ngày tải lên: 17/03/2014, 10:20

... other than water, 16 Membranes for Industrial Wastewater Recovery and Re-use Table 2.1 Dense and porous membranes for water treatment (adapted from Stephenson et aJ., 2000) Dense Porous Membrane ... plant, where ultrafiltration is used for removing colloidal material and reverse osmosis both for primary deionisation (followed by polishing using 10 Membranes for Industrial Wastewater Recovery ... osmosis membranes is of little practical consequence, since there are other mechanisms more dominant than simple sieving that determine membrane performance The purification performance of these membranes...

Ngày tải lên: 22/03/2014, 12:20

... θ0 L∞ with uniform estimates for ∇x θR , ∂ R Rj ∂t θ By compactness, we obtain a sequence θ , Rj → ∞, converging uni- 1385 FORMATION OF SINGULARITIES FOR A TRANSPORT EQUATION formly on compact ... to infinity His FORMATION OF SINGULARITIES FOR A TRANSPORT EQUATION 1379 numerical results showed that, up to very high values of k, this asymptotic behavior is compatible with the formation of ... positive (given the transport character of equation (1.1) for ν = 0) and symmetric Then, Hθ will be antisymmetric and positive for x ≥ L This implies the following properties for θ(x, t): Supp(θ(x,...

Ngày tải lên: 29/03/2014, 07:20

... References 219 Membranes for Food Packaging 223 Alberto Figoli, Erika Mascheroni, Sara Limbo, and Enrico Drioli Introduction 223 Application of Membranes in Controlling Gas Permeability 225 Membranes ... technology also in other food industries The needs for transportation at long distances have stimulated the use of membranes to concentrate juices Membranes have been the technology of choice in ... of UF systems and membranes accounts for the largest share of the membrane market with 35%, followed by MF systems and membranes with a share of 33%, and NF/RO systems and membranes with a share...

Ngày tải lên: 02/04/2014, 15:04

... used or evaluated mostly for separating gaseous components Applications of dense membranes are primarily for highly selective separation of hydrogen and oxygen and the transport occurs via charged ... of inorganic membranes their low permeability compared to that of porous inorganic membranes Therefore, today’s market for the commercial inorganic membranes is dominated by porous membranes [1–3] ... reproducibility, simplicity, giving good performance for oxygen nitrogen separation The resulting membranes were found to have oxygen over nitrogen selectivities up to and oxygen fluxes of the order of 10−9€mol/m2€s€Pa...

Ngày tải lên: 02/04/2014, 15:45

... comparing the performance of these porous membranes with Palladium membranes, e.g., in a membrane reactor for the steam reforming, dense membranes showed a better performance The mesoporous membranes ... stable membranes Like Pd membranes, controlling defects and achieving repeatable membrane quality are current topics of concern for MSS membranes Hydrogen selective membranes are ideal candidates for ... Hydrogen permeation in dense metal membranes Fig Ratio of hydrogen permeance after grain growth to that before the grain growth for three different nanocrystalline Pd–Ag membranes of about 200...

Ngày tải lên: 13/05/2014, 01:01

... the nanoshells for oxygen reduction Recently, Pt-based alloy nanoparticles with an optimized electronic structure were reported to show high activity for the electroreduction of oxygen [13] In ... to a shell structure formed by the Pt and Ag atoms Similar results have been obtained from HR-TEM experiments for mixtures of spherical Ag/Pt nanoparticles [12] Additional information on the nanoshell ... an Ag/AgCl (3 M KCl) reference electrode, was used for the LSV measurement To measure the oxygen reduction activity, the LSV experiment was performed in M H2SO4(aq) solution at a scan rate of 20...

Ngày tải lên: 22/06/2014, 01:20

... PDA or a mobile phone) VANET can deliver information over the Ad hoc network formed with neighboring vehicles Although VANET was designed exclusively for ITS, it comes with innate drawbacks One ... a source for MBMS data, or scheduling and receiving MBMS data from third parties It offers an interface for content providers to deliver the requested data to allocated users SGSN performs user ... Swiss Transport Research Conference (STRC ’05), Ascona, Switzerland, March 2005 [13] IEEE P1609.3/D18, “Committee SCC32 of the IEEE intelligent transportation systems council Draft standard for...

Ngày tải lên: 23/06/2014, 00:20

... other than water, 16 Membranes for Industrial Wastewater Recovery and Re-use Table 2.1 Dense and porous membranes for water treatment (adapted from Stephenson et aJ., 2000) Dense Porous Membrane ... plant, where ultrafiltration is used for removing colloidal material and reverse osmosis both for primary deionisation (followed by polishing using 10 Membranes for Industrial Wastewater Recovery ... osmosis membranes is of little practical consequence, since there are other mechanisms more dominant than simple sieving that determine membrane performance The purification performance of these membranes...

Ngày tải lên: 27/06/2014, 17:20

... other than water, 16 Membranes for Industrial Wastewater Recovery and Re-use Table 2.1 Dense and porous membranes for water treatment (adapted from Stephenson et aJ., 2000) Dense Porous Membrane ... plant, where ultrafiltration is used for removing colloidal material and reverse osmosis both for primary deionisation (followed by polishing using 10 Membranes for Industrial Wastewater Recovery ... osmosis membranes is of little practical consequence, since there are other mechanisms more dominant than simple sieving that determine membrane performance The purification performance of these membranes...

Ngày tải lên: 27/06/2014, 17:20

... other than water, 16 Membranes for Industrial Wastewater Recovery and Re-use Table 2.1 Dense and porous membranes for water treatment (adapted from Stephenson et aJ., 2000) Dense Porous Membrane ... plant, where ultrafiltration is used for removing colloidal material and reverse osmosis both for primary deionisation (followed by polishing using 10 Membranes for Industrial Wastewater Recovery ... osmosis membranes is of little practical consequence, since there are other mechanisms more dominant than simple sieving that determine membrane performance The purification performance of these membranes...

Ngày tải lên: 27/06/2014, 17:20

... other than water, 16 Membranes for Industrial Wastewater Recovery and Re-use Table 2.1 Dense and porous membranes for water treatment (adapted from Stephenson et aJ., 2000) Dense Porous Membrane ... plant, where ultrafiltration is used for removing colloidal material and reverse osmosis both for primary deionisation (followed by polishing using 10 Membranes for Industrial Wastewater Recovery ... osmosis membranes is of little practical consequence, since there are other mechanisms more dominant than simple sieving that determine membrane performance The purification performance of these membranes...

Ngày tải lên: 28/06/2014, 00:20

... and b-actin PCR amplification was performed with Taq polymerase (Promega, Madison, WI) for 20 cycles at 94°C for 45 s, 50°C for 45 s, and 72°C for PCR primers for NIS were as follows: sense, 5’-CTCCTCCCTGCTAACGACTC-3’; ... in other transporters, such as apical sodium-dependent bile acid transporter, serotonin transporter, sodium pump alpha subunit, and chloride/bicarbonate anion exchanger [19-23] Therefore, herein ... amino acid residues of some transporters have been shown to be involved in ion transport For examples, charged residues of kidney electrogenic sodium-bicarbonate cotransporter are involved in...

Ngày tải lên: 10/08/2014, 05:21