Fabrication of a porous polyimide membrane using a silicon nanowire array as a template

Screening of PHA-Producing Bacteria Using Biodiesel- Derived Waste Glycerol as a Sole Carbon Source

... mixture was placed in a water bath at 70ºC for 1 min. An absorbance measurement was made at 410 nm against a blank sample. Batch culture The experiment was carried out in a batch culture using ... Polyhydroxyalkanoic acids act as a form of carbon and energy reserve (Dawes and Senior, 1973) or as an electron sink (Page and Knosp, 1989). Polyhydroxyalkanoic acids are materials of interest because ... denitrificans (Mothes et al., 2007), Cupriavidus necator DSM 545 (Cavalheiro et al., 2009), Bacillus sonorensis, Halomonas hydrothermalis (Shrivastav et al., 2010), Halomonas sp. KM-1 (Kawata and Aiba,...

Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones

... evaporation )0( >phasem& and condensation )0( <phasem&is assumed. Where phasem& is mass transfer: for evaporation (evapphasemm&&=) and for condensation ... performance and design of air-breathing PEM fuel cells. Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... (condphasemm&&=) (kg/s). So that the mass balance equations for both phases are; ()( )phaseggmsat&=−⋅∇ uερ1 (8) ()phasellmsat&=⋅∇ uερ. (9) where sat is saturation,...

Tài liệu Báo cáo khoa học: Characterization of a chemosensory protein (ASP3c) from honeybee (Apis mellifera L.) as a brood pheromone carrier pdf

... observed with M. brassicae CSPMbraA6[32]. We observed also that BrC15-Ac was able to displaceASA, suggesting that brominated fatty acid and ASA bothassociated with W81 in the same ligand binding ... fluorescence of ASA-ASP3c complex was assigned to100% in absence of competitor; experimental conditions were as described in Fig. 6.Table 2. A nity of ligands for ASP3c measured with ASA as fluores-cent ... Pichia pastoris. Sinapinic matrix adducts are shown.Fig. 3. Electrophoretic analysis and purification of recombinant ASP3c. (A) SDS/PAGE analysis of recombinant ASP3c secreted by Pichiapastoris....

Comparison of the obstetric anesthesia activity index with total delivery numbers as a single denominator of workload demand in Israeli maternity units doc

... predominant determinants of obstetric anesthesia workload and that a typical epidural takes about half the time of a typical cesarean. Accordingly, the OAAI for each hospital was calculated as ((0.75 ... contributors. Abstract Background Obstetric anesthesia workload demand in Israel has increased due to both an increase in the requests for labor analgesia and a marked increase in the cesarean delivery ... no. of cesareans per yr*1.5 / 365+   (1) The ratio of the epidural and cesarean components of the OAAI (OAAI EPI and OAAI CD) was also calculated as follows: ()()CD/EPIOAAI...

Báo cáo khoa học: The oxidative effect of bacterial lipopolysaccharide on native and cross-linked human hemoglobin as a function of the structure of the lipopolysaccharide A comparison of the effects of smooth and rough lipopolysaccharide ppt

... over a wide pHrange from 5.3 to 8. Tsuruga and Shikama [21] conﬁrmedthat the fast phase of oxidation was due to the a chains andthe slow phase was due to the bchains. Tsuruga et al. foundthat ... initial fast phase, i.e. oxidation of the a chains. Therates of oxidation are reduced in the presence of chelators of heavy metal cations in most cases. An exception is the lack of alteration of the ... EDTA had noeffect. An interesting characteristic of the reaction mediatedby the LPS of rough E. coli was a lag phase of 10 minutesboth in the presence and absence of EDTA. The lag phasewas...

Báo cáo y học: " Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane"

... Publisher. All rights reserved Case Report Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane Adele Scattarella1, Andrea Ballini1, ... dentist. The radiograph shows many characteristics of OAC/OAF; the apexes of tooth 26 were in extremely close approximation to the maxillary sinus, and an area of periapical rarefaction was evident ... Roberto Grassi1, Andrea Carbonara1, Francesco Ciccolella1, Angela Dituri1, Gianna Maria Nardi2, Stefania Cantore1, Francesco Pettini1 1. Department of Dental Sciences and Surgery,...

Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium

... [15] Das S. S., Satapathy A. , Das J. K., Panda J. P. Mass transfer effects on MHD flow and heat transfer past a vertical porous plate through a porous medium under oscillatory suction and heat ... acting as the honorary member of editorial board of Indian Journal of Science andTechnology and as Referee of AMSE Journal, France; Central European Journal of Physics; International Journal of ... through porous media over a flat surface are of great theoretical as well as practical interest in view of their varied applications in different fields of science and technology such as aerodynamics,...

Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model

... [11]. Also, when calculating the value of Mi as can be seen in equation 1.0, the mass of non-degradable solid waste should be subtracted from the total mass of solid waste in a particular section ... disposal of hazardous waste (co-disposal). Since the data available on the quantity, age, and composition of the refuse in the landfill are limited, using a more sophisticated calculation was ... emission rate of NMOC based on the variability of the concentration of NMOC, the age of the landfill and the annual refuse acceptance rate. For example, a comparison of the result of the probabilistic...

Tài liệu tiếng anh Điện tử công suất mạch MERS A new automatic voltage regulator of self excited induction generator using SVC magnetic energy recovery switch

... calculations[8], a range of fixed shunt capacitor sizes can be calculatedto maintain rated voltage under load varying conditions. Fig.2shows load characteristic curve for a range of fixed capacitorsizes ... Reactive current is supplied by fixed capacitor. Thiscan be achieved by switching off all IGBTs, it can be shownthat in the dc capacitor some voltage was appeared. As loadincreased, terminal ... applyingappropriate gate signals. The control is based on performing a phase shift of the gate signals. The control variable calledÆphase is the phase difference between line voltage (ÎÐÐ) and...

DC bus control of variable speed wind turbine using a buck boost converter

... constant-speed control, a variable-speed control can adjust the speed of the turbine as the wind speed changes, so as to operate at the peak of the Cp curve. This will maximize the power generated ... single maximum at a specific value of it is apparent that, when operating at a constant speed, the power coefficient will be maximum at only one wind speed. DC Bus Control of Variable Speed ... be changed and the duty cycle is increased by two ∆αd to reach the operating point (k+1). Search rules of the various cases of operation are summarized in the table I. Fig.4. Operation...

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