diffusional protective and thermal coatings

OPTICAL COATINGS AND THERMAL NOISE IN PRECISION MEASUREMENT pot

OPTICAL COATINGS AND THERMAL NOISE IN PRECISION MEASUREMENT pot

... thermal noise 73 s ballmer and k somiya Substrate thermal noise 93 s rowan and i martin Cryogenics 108 k numata and k yamamoto 10 11 Thermo-optic noise m evans and g ogin 129 Absorption and thermal ... the theoretical basis of thermal noise in mirrors and substrates, through the technology of depositing coatings and the techniques for measuring mechanical loss and thermal noise to the importance ... substrate, n1 and n2 are the refractive indices of the two coating materials, and p is the number of pairs of a high and low index material in the coating Optical Coatings and Thermal Noise in...

Ngày tải lên: 30/03/2014, 19:20

342 316 0
Báo cáo khoa học: Simultaneous improvement of catalytic activity and thermal stability of tyrosine phenol-lyase by directed evolution ppt

Báo cáo khoa học: Simultaneous improvement of catalytic activity and thermal stability of tyrosine phenol-lyase by directed evolution ppt

... co-improvement in stability and activity For example, the T1 ⁄ values for AS4 and AS6 were 6.7 and 11.2 °C higher, respectively, and the catalytic activities were improved by 2.8- and 2.0-fold, respectively ... wild-type protein and two mutants, AS4 and AS7, were purified to homogeneity with purification yields of over 40%, and investigated for their stability and activity at temperatures between 40 and 80 °C ... stability and catalytic activity of S toebii TPL Materials and methods Materials Sodium pyruvate and PLP were obtained from Musashino Shoji (Tokyo, Japan) and Fluka (Seelze, Germany), respectively, and...

Ngày tải lên: 07/03/2014, 00:20

8 429 0
Báo cáo Y học: Artocarpus hirsuta lectin Differential modes of chemical and thermal denaturation potx

Báo cáo Y học: Artocarpus hirsuta lectin Differential modes of chemical and thermal denaturation potx

... GdnHCl and heat The former unfolds and inactivates the protein, allowing it to fold back and reactivate to certain extent after removal of the reagent Thermal denaturation leads to unfolding and ... GdnHCl and thermal denaturation and renaturation on A hirsuta lectin The samples treated with GdnHCl were diluted 10 times with 100 mM phosphate buffer, pH 7.0, the spectra were recorded and activity ... spectrofluorimeter to follow protein aggregation during GdnHCl and thermal denaturation Both excitation and emission wavelengths were set at 400 nm and the time dependent change in scattering intensity...

Ngày tải lên: 08/03/2014, 16:20

5 374 0
Báo cáo khoa học: Influence of divalent cations on the structural thermostability and thermal inactivation kinetics of class II xylose isomerases pdf

Báo cáo khoa học: Influence of divalent cations on the structural thermostability and thermal inactivation kinetics of class II xylose isomerases pdf

... (1996) Protein purification, and cloning and characterization of the cDNA and gene for xylose isomerase of barley Eur J Biochem 237, 240–246 15 Vangrysperre W, Vandamme J, Vandekerckhove J, Debruyne ... site for Co2+ and Mn2+ [16] High and low affinity sites were also reported in class II XIs [19], and they are likely to be the same as in class I XIs, since the overall structure and the metal ... thermophilic class II XIs contain additional prolines and fewer thermally labile asparagine and glutamine residues [26,30] The crystal structures of class I and class II XIs show that these enzymes are...

Ngày tải lên: 23/03/2014, 13:20

11 409 0
cross plane electronic and thermal transport properties of p type la0.67sr0.33mno3 lamno3 perovskite oxide metal semiconductor superlattices

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

... phenomena in cross-plane thermal and electrical transport by suppressing the effects of parasitic electrical series resistance and the electronic contributions to the thermal conductivity The ... behavior with LSMO FWHM (0.027 ) and LMO FWHM (0.102 ) and (b) 110 RSM of a micronthick LSMO/LMO superlattice The LSMO and LMO peaks have a small degree of spread and show a consistent in-plane ... cross-plane room temperature thermal conductivities of epitaxial thin films of LSMO and LMO are 1.60 0.075 W/mÁK and 1.29 0.025 W/mÁK, respectively Moreover, the crossplane thermal conductivity of...

Ngày tải lên: 06/05/2014, 08:53

8 461 0
electrical and thermal interface conductance of carbon nanotubes grown under dc bias voltage

electrical and thermal interface conductance of carbon nanotubes grown under dc bias voltage

... quality of the fit in the low-energy and high-energy tails of the D- and G-bands, respectively, is good The assignment of the peak components of the D- and G-bands is consistent with the works 19730 ... G-band reflects the degree of graphitization of carbon materials The effect of dc bias voltage on the IG/ID ratio and the FWHM are presented in Figure The line shapes of the G- and D-bands and ... bias voltage, the tangential bands were fitted with three Lorentzians at 1573, 1599, and 1625 cm-1 while the D-band was fitted with two Lorentzians at frequencies of 1181 and 1318 cm-1 In the case...

Ngày tải lên: 06/05/2014, 08:53

7 308 0
thermomechanical and thermal contact characteristics of bismuth telluride films electrodeposited on carbon nanotube arrays

thermomechanical and thermal contact characteristics of bismuth telluride films electrodeposited on carbon nanotube arrays

... coefficients of thermal expansion for Si (2.6 Â 10À6 KÀ1 [10]) and Bi2Te3 (13.0 Â 10À6 KÀ1 [11]), the theoretical stress-free lateral displacement between the TE film and the substrate was calculated and ... tube furnace) After each thermal cycle, the films were visually analyzed for deposited directly on a silicon substrate and another grown on signs of cracks or peeling, and the observations are ... Bi2Te3 electrodeposited on and around the CNTs grown on the same metallized substrate Samples of both types were subjected to the same thermal cycle (ramp ¼ 600 8C hÀ1, and ultimately extended above...

Ngày tải lên: 06/05/2014, 08:58

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báo cáo hóa học: " Structural and thermal studies of silver nanoparticles and electrical transport study of their thin films" pdf

báo cáo hóa học: " Structural and thermal studies of silver nanoparticles and electrical transport study of their thin films" pdf

... levels in the band gap, which are localized and close to either the conduction or the valence band Since the energy difference between these levels and band edges is very small, a slight thermal excitation ... for a day in order to clean the surface and to enhance its hydrophilicity; and then rinsed many times with deionized water and dried in air The morphology and crystal structure of silver nanoparticles ... MA carried out the structural studies SAA and MSA performed the thermal studies MAMK and MA also involved in writing of the manuscript All authors read and approved the final manuscript Competing...

Ngày tải lên: 21/06/2014, 02:20

8 384 0
Báo cáo y học: "Gold-ionic liquid nanofluids with preferably tribological properties and thermal conductivity" potx

Báo cáo y học: "Gold-ionic liquid nanofluids with preferably tribological properties and thermal conductivity" potx

... did the synthetic and characteristic job in this manuscript XW, WL, and JH gave the advice and guide for the experimental section and edited the manuscript All authors read and approved the final ... low- and (c) high-magnification, (b) SAED pattern and (d) the size distribution of synthesized Au NPs in sample The FT-IR spectra of Au NPs and CTABr are shown in Figure The C-H symmetric and ... occurs and a protective thin film composed of Au NPs forms during friction process Therefore, the stable nanofluids (samples and of Table 1) are helpful to form a self-assembly metal film and exhibit...

Ngày tải lên: 21/06/2014, 04:20

10 338 0
Báo cáo hóa học: " Thermal conductivity and thermal boundary resistance of nanostructures" pdf

Báo cáo hóa học: " Thermal conductivity and thermal boundary resistance of nanostructures" pdf

... the coordination and drafted and revised the manuscript PB: Conceived and coordinated the COFISIS project, and also participated in the design of the superlattices and drafted and revised the ... source and a heat sink, and the resulting heat flux is measured to obtain the thermal conductivity of the material [9,10] Simulations are held for several systems of increasing size and finally thermal ... Cross-plane and in-plane thermal conductivity functions of the height of interfaces calculated by EMD and NEMD methods the roughness leads to the heat flux constrictions that decrease the in-plane thermal...

Ngày tải lên: 21/06/2014, 04:20

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Báo cáo hóa học: " Preparation and thermal conductivity of CuO nanofluid via a wet chemical method" potx

Báo cáo hóa học: " Preparation and thermal conductivity of CuO nanofluid via a wet chemical method" potx

... increases; and thus, the length of the cluster Thermal conductivity of CuO nanofluids Figure shows the thermal conductivity ratio of the typical sample, defined as k/k0, where k and k0 are the thermal ... contributions HZ designed and guided all aspects of the work DH carried out the experiments and drafted the manuscript ZM, DW and CZ participated in the design of the study and revised the manuscript ... nanoparticle clustering and alignment on thermal conductivities of Fe3O4 aqueous nanofluids Appl Phys Lett 2006, 89:0231231-0231233 Zhu HT, Zhang CY, Tang YM, Wang JX: Novel synthesis and thermal conductivity...

Ngày tải lên: 21/06/2014, 05:20

6 274 0
Báo cáo hóa học: " Influence of Surface Modified MWCNTs on the Mechanical, Electrical and Thermal Properties of Polyimide Nanocomposites" ppt

Báo cáo hóa học: " Influence of Surface Modified MWCNTs on the Mechanical, Electrical and Thermal Properties of Polyimide Nanocomposites" ppt

... duration and prolonged use between 200 and 350 °C without much deterioration in mechanical and other properties Polyimides are produced by the condensation reaction of an aromatic dianhydride and ... for polyimide and can be further cyclized (imidization) by thermal means to produce polyimide Out of the many types of aromatic polyimides produced worldwide, the largest market and most preferred ... subsequently added and stirred at 70 °C for h After the reaction, the whole reaction mixture was filtered and the solid residue (MWCNTs-COCl) was washed several times with anhydrous THF and dried at...

Ngày tải lên: 22/06/2014, 01:20

10 439 0
Báo cáo hóa học: " Influence of Nanogels on Mechanical, Dynamic Mechanical, and Thermal Properties of Elastomers" pdf

Báo cáo hóa học: " Influence of Nanogels on Mechanical, Dynamic Mechanical, and Thermal Properties of Elastomers" pdf

... Designations Control natural rubber latex and styrene butadiene rubber latex were designated as NR and SBR, respectively Individual NR and SBR gels were expressed as NSa and SBSa, respectively, where ‘a’ ... Fig 2a–b Here, NS3 and SBS3 gels have been shown as representative systems The particle diameters in Fig Particle size distribution by DLS method for a SBR and SBS gels and b NR and NS gels Table ... SBR matrix and SBS gels were mixed with NR at a given concentration, to investigate their effect on the morphology, mechanical, dynamic mechanical and thermal properties of raw SBR and NR Morphology...

Ngày tải lên: 22/06/2014, 01:20

11 437 0
Classical and Thermal Methods docx

Classical and Thermal Methods docx

... peroxides, thiosulphates, sulphates, nitrites, metal oxides, boric acid, and iron (III) salts Thermal Analysis    Thermal analysis: determining a specific physical property of a substance ... sample and a reference (e.g DTA) – Methods which measure the rate at which a property is changing 4/30/2012 Thermal Gravimetric Analysis (TGA)  Concept: Sample is loaded onto an accurate balance and ... basis, and has become the most widely used method for thermal analysis 10 4/30/2012 DSC Instrumentation  There are two common DSC methods – Power compensated DSC: temperature of sample and reference...

Ngày tải lên: 27/06/2014, 01:20

14 166 0
Báo cáo khoa học: "Protective and therapeutic effects of an extract mixture of alder tree, labiate herb, milk thistle green bean-rice bran fermentation, and turnip against ethanol-induced toxicity in the rat" pdf

Báo cáo khoa học: "Protective and therapeutic effects of an extract mixture of alder tree, labiate herb, milk thistle green bean-rice bran fermentation, and turnip against ethanol-induced toxicity in the rat" pdf

... (USA) Experiment design To examine protective and therapeutic efficacy of the herbal extract mixture and yogurt, we carried out two animal experiments as follows: Protective effects of herbal extract ... animals were given feed pellets and water ad libitum except on the day of necropsy Clinical evaluation and general appearances were noted once daily, and body weights and food consumption levels ... treatment Protective effects of herbal extract mixture against toxicity 35 Table Results from serum analysis and histopathological grade of the protective effect of herbal extract mixture and yogurt...

Ngày tải lên: 07/08/2014, 20:23

7 421 0
Báo cáo lâm nghiệp: "Beech (Fagus sylvatica L.) – Technological properties, adhesion behaviour and colour stability with and without coatings of the red heartwood" ppsx

Báo cáo lâm nghiệp: "Beech (Fagus sylvatica L.) – Technological properties, adhesion behaviour and colour stability with and without coatings of the red heartwood" ppsx

... normal and red-hearted wood of the first sample series (well-established coatings) in the uncoated state and the coated state before and after 480 h of exposure Figure Colour difference of normal and ... in groups of well-established coatings (series 1) and groups of newly developed coatings (series 2) Figures and summarize the results of the comparison of normal and red-hearted wood These figures ... different coating systems were used and compared (see Tab I, samples 2.1–2.5) The second set of coatings was applied on solid wood The boards were dried and sanded just like in the first group,...

Ngày tải lên: 08/08/2014, 00:22

9 418 1
Báo cáo y học: "Three-dimensional and thermal surface imaging produces reliable measures of joint shape and temperature: a potential tool for quantifying arthritis" pdf

Báo cáo y học: "Three-dimensional and thermal surface imaging produces reliable measures of joint shape and temperature: a potential tool for quantifying arthritis" pdf

... acquisition and processing The image acquisition and processing technique is outlined in Figure A forearm-based hand splint was designed to minimize movement and standardize hand position and pose ... the wrist and MCPs (kappa statistic 0.59 and 0.83, respectively) and synovitis in the wrist and MCPs (kappa statistic 0.62 and 0.76, respectively) For this study, pediatric arthritis and adult ... index Thermal data acquisition and processing Thermal data were acquired using a Meditherm medPro2000 thermoelectrically cooled microbolometer (Meditherm, Inc., Beaufort, NC, USA) and WinTES Thermal...

Ngày tải lên: 09/08/2014, 10:22

9 344 0
Improving the competitiveness by marketing and sale personnel management strategy (A case of protective and marine coating products in Sigma Yung Chi Coating C.,ltd)

Improving the competitiveness by marketing and sale personnel management strategy (A case of protective and marine coating products in Sigma Yung Chi Coating C.,ltd)

... Furniture coatings: Akzo Industry coatings, Dai Hung, Valspa Sherwin willams, Dai Kieu, etc Other types of coatings: OEM car coating, floor coatings, line coatings, can and plastic coatings and brands ... in the marine and protective coatings industry demands in this country (Frost & Sullivan report collated) We will study more detail and deeply about Vietnam Protective and Marine coatings market ... in demand and also a variety of paints in which decoration coatings take up a large proportion with average annual growth rate of 25%, marine coatings, protective coatings and industrial coatings...

Ngày tải lên: 24/11/2014, 01:04

94 295 1
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