tinh kha thi cua viec thiet ke va che tao tau khach bien co lon toc do cao

ANALYTIC COMBUSTION doc

Ngày tải lên : 23/03/2014, 15:20

... mechanical, aeronautical and chemical engineering must therefore inevitably make compromises in coverage and emphasis Available books on combustion, though reflecting these compromises, cannot be said ... principally Combustion chamber Exhaust Air intake Fuel Turbine Compressor Coupling Shaft Multistage compressor Fuel Combustion chamber Turbine nozzle Single-stage Turbine Air intake Nose Bullet ... governing conversion of heat into work? Watt showed that by providing a separate condenser in the Newcomen engine, the specific fuel consumption could be reduced Could the specific fuel consumption...

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FINGERPRINTS IN THE OPTICAL AND TRANSPORT PROPERTIES OF QUANTUM DOTS ppt

Ngày tải lên : 26/06/2014, 23:21

... Semiconductor Quantum Dots 29 Cheche Tiberius and Emil Barna Chapter Temperature-Dependent Optical Properties of Colloidal IV-VI Quantum Dots, Composed of Core/Shell Heterostructures with Alloy Components ... dots by a GaAs layer was applied [Fig 3(b)] The thickness of the GaAs layer in this case was varied in the range of 2.5- to 6.5-nm thick, thicknesses that are well below the typical average dots ... 2007) proposed to use a dot in compositionally modulated well (DCMWELL) structure of different indium compositions within each well [fig (d)] The indium compositions in this structure were chosen...

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Structure, magnetic and transport properties of magnetic oxide materials and exploration of magnetic oxides semiconductor (zno) heterostructures

Ngày tải lên : 09/09/2015, 10:15

... must be created within the conventional semiconductors (SC) to make these advanced spin-based devices This idea has triggered an intense activity on doping non-magnetic semiconducting oxides ... Figure 2 Schematic diagram of thin film condensation process 35 Figure Schematic diagram of Bragg’s law 37 Figure Schematic diagram of the AFM 40 Figure Schematic diagram ... the magnetic oxide thin films This section gives a brief background to understand thin film growth mechanisms These processes include nucleation, growth, coalescence and thickening Film formation...

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The properties of gases and liquids, fifth edition poling, prausnitz, o’connell

Ngày tải lên : 17/03/2014, 14:01

... ϭCϽ ϭCϽ [r] & CO [r] & —CHO [r] & —COOH [r] & [—]COO— [r] & —NH2 [r] & —NH— [r] & ϾN— [r] & —CN Cl— & CO [—]COO— & [—]COO— —O— [r] & ϭN— [r] CO & —O— —H & —CHO —H & —COOH —H & [—]COO— —NH— & ... and P C Jurs: J Chem Inf Comput Sci., 34: 947 (1994) Fedors, R F.: Chem Eng Comm.: 16: 149 (1982) Grigoras, S.: J Comp Chem., 11: 493 (1990) Horvath, A L.: ‘‘Molecular Design: Chemical Structure ... of such complexity that a computer is required This is less of a handicap than it once was, since computers and efﬁcient computer programs have become widely available Electronic desk computers,...

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properties of gases and liquids

Ngày tải lên : 01/04/2014, 10:10

... ϭCϽ ϭCϽ [r] & CO [r] & —CHO [r] & —COOH [r] & [—]COO— [r] & —NH2 [r] & —NH— [r] & ϾN— [r] & —CN Cl— & CO [—]COO— & [—]COO— —O— [r] & ϭN— [r] CO & —O— —H & —CHO —H & —COOH —H & [—]COO— —NH— & ... make its experimental value quite different from the others; most of this is taken into account by the First-Order groups, but the Second Order contribution is signiﬁcant Notice that the Second ... of such complexity that a computer is required This is less of a handicap than it once was, since computers and efﬁcient computer programs have become widely available Electronic desk computers,...

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cross plane electronic and thermal transport properties of p type la0.67sr0.33mno3 lamno3 perovskite oxide metal semiconductor superlattices

Ngày tải lên : 06/05/2014, 08:53

... pressure window of 45–55 mTorr, a semi-transparent semiconducting thin ﬁlm of LMO was achieved The evaporated Downloaded 02 Oct 2012 to 128.46.221.182 Redistribution subject to AIP license or copyright; ... using the photo-acoustic (PA) technique.27 The sample was coated with 80 nm of titanium deposited by e-beam evaporation using an Inﬁcon deposition controller to monitor Ti deposition thickness Each ... cubic semiconducting phase.13 The electrical properties are tunable by varying the oxygen stoichiometry to achieve a p-type semiconductor that conducts by cation transitions The cation vacancies...

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Báo cáo y học: "Effects of intravenous furosemide on mucociliary transport and rheological properties of patients under mechanical ventilation" pot

Ngày tải lên : 12/08/2014, 18:21

... Saldiva PHN: Computer-assisted rheological evaluation of microsamples of mucus Comput Methods Programs Biomed 1992, 39:51-60 21 Lorenzi G, Böhm GM, Guimarães ET, Costa Vaz MA, King G, Saldiva PHN: ... pneumonia VAPS 40 12 Dopamine Dobutamine P maltophilia +1988 –1194 1670 1700 M 61 COPD, respiratory failure PC 60 9.9 Dopamine S marcescens A baumanii X maltophilia +2244 –1 290 100 F 63 Cerebrovascular ... February 2002 Vol No Kondo et al Figure Figure Cough clearance (relative values) In vitro mucociliary transport (relative speed) 1.5 1.0 * * * 0.5 * control group furosemide group control group furosemide...

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Magneto transport, magneto optical and dynamic properties of ferromagnetic nanostructures

Ngày tải lên : 10/09/2015, 09:10

... interlayer coupling was performed in [Co/ Pd]4/Au (tAu) / [Co/ Pd]2 pseudo -spin-valve (PSV) rings by varying the Au spacer layer thickness tAu Secondly, magnetoresistance (MR) behaviors of [Co/ Pd]n ... Cu/Pd/ [Co/ Pd]4/Au (tAu) / [Co/ Pd]2 PSV NWs with (a) tAu= 1 nm (M-H loops of corresponding continuous film are shown as an inset); (b) tAu= 1.5 nm; (c) tAu= 2 nm; (d) tAu= 2.5 nm; and (e) tAu= 3.5 nm The corresponding ... patterns of [Co/ Pd]4/Au (tAu) / [Co/ Pd]2 PSV films as a function of tAu 67 Fig 4.11 M-H loops for [Co/ Pd]4/Au (tAu) / [Co/ Pd]2 PSV rings with (a) tAu =1 nm, compared with the hysteresis loop of [Co/ Pd]4...

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Electronic and magnetic properties of two dimensional electron gases at complex oxide interfaces for different polar systems and crystallographic orientations

Ngày tải lên : 10/09/2015, 09:11

... metalinsulator transition in conductivity is observed for NdAlO3/SrTiO3 interfaces with NdAlO3 film thickness This suggests that polarization discontinuity induced electronic reconstruction could also be the ... dielectric constant as a function of Ta concentration in Ta-TiO2 epitaxial films AIP Advances 1, 022151 (2011) Submitted [1] A Annadi, K Gopinadhan, A Srivastava, T Venkatesan, Ariando, Study ... metals like gold or the semiconductors used to run modern day computers Various methods have been developed to further manipulate the properties in complex oxides via tuning the electronic correlations...

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Charge transport and thermal properties of a semicrystalline polymer semiconductor

Ngày tải lên : 11/09/2015, 09:57

... And the spectrum of chemical doping is usually done in solution phase In 1998, van Haare et al used thianthrenium perchlorate to dope substituted oligothiophenes (6, and 12 thiophene units) in ... polythiophene and poly(bithiophene-alt-thienothiophene) organic semiconductor thin films involving oxygen and sorbed moisture Adv Mater 21, 4747-4752 (2009) 52 vanHaare, J A E H et al Redox states ... semiconductor layer This configuration is commonly used to fabricate diagnostic OFETs to measure carrier mobility In this configuration electrons/holes are injected directly into the semiconductor/dielectric...

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TRANSPORT PROPERTIES OF a QUASI TWO DIMENSIONAL ELECTRON GAS IN a sisige HETEROSTRUCTURE TEMPERATURE AND MAGNETIC FIELD EFFECTS

Ngày tải lên : 31/10/2015, 10:44

... σ+ + σ− is the total conductivity and σ± is the conductivity of the (±) spin subband given by n± e2 τ± (13) m∗ We use the symbol µ for the mobility when MSE are taken into account at low electron ... NGUYEN QUOC KHANH, NGUYEN NGOC THANH NAM ∗ −q|z | 1/3 i 33πnmz e e with qs = 2gνLm 2e , F (q, zi ) = (1+ Here L is the background q and b = 16 L ) b static dielectric constant and gν is the valley ... perpendicular to the xy-plane, G(q) is the local field correction (LFC) describing the exchange-correlation effects and U (q) is the random potential which depends on the scattering mechanism...

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Electronic and Optoelectronic Properties of Semiconductor Structures

Ngày tải lên : 24/01/2014, 17:34

... Scrubber AsH3 Dopant Vent line Mass-flow Exhaust TMGa : Gallium containing organic compound TMAl : Aluminum containing organic compound AsH3 : Arsenic containing compound Figure 1.6: Schematic diagram ... “gameboys” to personal computers, from the brains behind “nintendo” to world wide satellite phones—semiconductors contribute to life perhaps like no other manmade material Silicon and semiconductor have ... problems This book can be used to teach a course on semiconductors physics A rough course outline for a two semester course is shown in Table I.1 In a one semester course some section of this text...

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Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx

Ngày tải lên : 13/02/2014, 04:20

... 2.1 Synthesis of Ni -Co powder ferrite A series of cobalt doped nickel ferrite with composition of Ni 1-XCoXFe2O4 with x ranges from 0.0 to 0.8 (in steps of 0.2) was prepared by co- precipitation ... Ni1-xCoxFe2O4 From Fig.2 it is observed that lattice parameter varies from 8.334 Å to 8.382 Å with increasing Co2 + content and they are tabulated in Table This increase of lattice parameter with Co2 + ... above expression corresponds to the contribution of magnetocrystalline anisotropy of material, the second one is given by shape anisotropy of crystalline particles (domains) and the third one is...

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Tài liệu Báo cáo khoa học: Interleukin-1-inducible MCPIP protein has structural and functional properties of RNase and participates in degradation of IL-1b mRNA doc

Ngày tải lên : 18/02/2014, 14:20

... CCTCACTGGGGTGCTGG-3¢ (EcoRI) This fragment was cloned into pcDNA3 containing the ﬁrst fragment at the BsaI ⁄ EcoRI restriction sites A genetic construct with mutation of two conserved amino acids residues within ... standard conditions ()37 °C and 5% CO2 ) HepG2 cells (American Type Culture Collection, Manassas, VA, USA) were cultured in Dulbecco’s modiﬁed Eagle’s medium with 1000 mgÆL)1 d-glucose (Gibco, Carlsbad, ... PIN domain (PDB: 2hww), the bacterial hypothetical protein PIN domain (PDB: 1o4w) and the MCPIP PIN domain Identical residues are indicated by asterisks, conserved substitutions as semi-colons...

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Tài liệu Báo cáo khoa học: The antibacterial and antifungal properties of trappin-2 (pre-elaﬁn) do not depend on its protease inhibitory function pptx

Ngày tải lên : 18/02/2014, 17:20

... (%) 100 Trappin-2/nonactivated conidia Trappin-2 A62D/M63L /nonactivated conidia 60 40 Trappin-2/activated conidia Trappin-2 A62D/M63L/activated conidia Elafin/activated conidia 20 70 60 50 40 ... and antifungal activities of trappin-2 Domain Domain 52 53 107 NH2 COOH Fig Schematic structure of protease inhibitors of the chelonianin family showing the domain organization, disulﬁde bond topology ... activity of trappin-2 and its derivative was tested against dormant and activated A fumigatus conidia To prepare dormant (metabolically quiescent) conidia, A fumigatus conidia were smeared on Sabouraud...

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Tài liệu Báo cáo khoa học: Tryptophan tryptophylquinone cofactor biogenesis in the aromatic amine dehydrogenase of Alcaligenes faecalis Cofactor assembly and catalytic properties of recombinant enzyme expressed in Paracoccus denitriﬁcans pptx

Ngày tải lên : 19/02/2014, 07:20

... and recombinant a subunits were 40 421 Da This mass correlates with cleavage of the a subunit at the FEBS Journal 272 (2005) 5894–5909 ª 2005 FEBS P Hothi et al predicted site for removal of ... studies can now proceed given the availability of recombinant AADH containing a correctly assembled FEBS Journal 272 (2005) 5894–5909 ª 2005 FEBS P Hothi et al Cofactor biogenesis in TTQ-dependent ... reference Strain or plasmid Relevant features Bacteria A faecalis P denitriﬁcans E coli strain DH5 E coli S17-1 Wild-type Wild-type, Rifr General cloning strain Conjugative donor ATCC OF1144 ATCC13543...

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Tài liệu Báo cáo Y học: Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa pptx

Ngày tải lên : 21/02/2014, 15:20

... studied in detail for most amphipathic a-helical peptides, it is most likely that other compounds of this group could have the same activity because the cationic, amphipathic a-helical structure of ... dextrose broth (Difco, Detroit, MI, USA), containing 4802 L Moerman et al (Eur J Biochem 269) Ó FEBS 2002 fungal spores at a concentration of · 104 conidiaÆmL)1 Growth was recorded after 48 h ... from scorpion venom known today We found that there is a high conservation in amino acid sequence of the peptides in the venom of scorpions belonging to the same family, independent of the continent...

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Tài liệu Báo cáo Y học: Short peptides are not reliable models of thermodynamic and kinetic properties of the N-terminal metal binding site in serum albumin doc

Ngày tải lên : 22/02/2014, 04:20

... Nova Biochem (Calbiochem-Novabiochem AG, Laufelngen, Switzeră land) Benzotriazol-1-yloxytris(dimethylamino)phosphonium hexauorophosphate (BOP) was purchased from Chem-Impex International (Chem-Impex ... n ỵ jịH ỵ This constant represents the overall ability of ligand L to form a given complex The other method is to calculate the conditional afnity constant at a given pH value, cK, corresponding ... catalysis of acid decomposition of nickel amine complexes by various compounds, including phosphates, was studied in detail [41] In line with electrostatic considerations presented there, this rate enhancement...

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Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx

Ngày tải lên : 22/02/2014, 09:20

... for chemical analysis……………………………………7 Table 2-3 Chemical composition of bamboo………………………………………… 13 Table 2-4 Analysis of variance table for bamboo chemical composition…………… 13 Table 2-5 Tukey comparison ... lab to determine the moisture content variation along the bamboo culm 3.2.1 Vascular Bundle Concentration For vascular bundle concentration determination, a 45 micron thick slice of the cross section ... amount of each chemical composition of bamboo varies with age, height, and layer, the chemical compositions of bamboo are correlated with its physical and mechanical properties Such variation can...

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Báo cáo " Study on the characteristics and catalytic properties of Pt/SBA-15 in the selective oxidation of D-Glucose " potx

Ngày tải lên : 05/03/2014, 11:21

... Koji Kajiyoshi A new chemical process for catalytic conversion of D-glucose in to lactic acid and gluconic acid Applied catalysis A: general 343 (2008), p 49-54 [2] A.Abbadi, H.Van bekkum., “Effect ... of D-glucose over different catalysts (Temperature: 800C; Air flow rate: 20ml/min; Time: hours) Catalysts HNO3 PS-1 (pH~9) PS-2 (pH~9) PS-3 (pH~9) PS-1 (pH*) Conversion of glucose (%) Composition ... conversion in the oxidation reaction of glucose The conversion of the reaction reached 87.67% when using HNO3 as oxidizing agent, but the selectivity of D-gluconic product is quite low The high oxidation...

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