examples of n300 series n2sa 70 99
Rubber Compounding Chemistry and Applications ppt
... Modulus Hardness (Shore A) 100.0 70. 0 130.0 70. 0 5.0 1.0 100.0 70. 0 130.0 70. 0 5.0 1.0 100.0 70. 0 130.0 70. 0 5.0 1.0 100.0 70. 0 130.0 70. 0 5.0 1.0 100.0 70. 0 130.0 70. 0 5.0 1.0 1.0 5.0 1.3 8.0 8.0 ... a cessation of sudden deformation when the rotor of the Mooney viscometer stops The stress relaxation of rubber is a combination of both elastic and viscous response A slow rate of relaxation ... components of a tire Typical levels of natural rubber in tread compound, base compound, sidewall, and wire coat compounds of three major classes of tires are presented in Table (34–36) The bulk of natural...
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báo cáo khoa học: "The adsorption of biomolecules to multi-walled carbon nanotubes is influenced by both pulmonary surfactant lipids and surface chemistry" doc
... 2Institute of Anatomy, Division of Histology, University of Bern, Bern, Switzerland Division Neonatology, Department of Paediatrics, Inselspital and University of Bern, Bern, Switzerland 4Department of ... possible implications for biological impacts Proceedings of the National Academy of Sciences of the United States of America 2008, 105:14265-14 270 28 Zhou HY, Mu QX, Gao NN, Liu AF, Xing YH, Gao SL, ... methods to quantify exchange rates and affinities of proteins for nanoparticles Proceedings of the National Academy of Sciences of the United States of America 2007, 104:2050-2055 32 Lynch I, Dawson...
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Báo cáo " Diffusion behaviour of corrosive solution environments in carbon black filled modified polyethylene linings " doc
... details of modification process and the use of modified agent are not released Mixtures of this blend polyethylene and carbon black were performed in accordance with ratio of 2, 3, and mass% of carbon ... give typical examples of plots of the absorbed amount (Mt) of water, HCl 10 mass%, and HCl 20 mass% at 40, 60, and 80 oC versus immersion time for the D.V Chau, M Kubouchi / VNU Journal of Science, ... Gladden, Diffusion of water–acetic acid mixtures in epoxy, J Polym Sci Part B: Polymer Physics., 37 ( 1999 ) 3328 [16] J.Schultz, E Papirer, C Jacquemart, Mechanism of diffusion of water in carbon...
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Applied Colloid and surface chemistry
... thin, under the action of gravity, to thicknesses of the order of the wavelength of light Some beautiful photographs of various types of soap films are given in The Science of Soap Films and Soap ... examination of Equation (2.17) The perimeter of the base must be sharp and undamaged Calculate the surface energies of each of these liquids and plot a graph of g for the CTAB solutions as a function of ... properties of colloidal dispersions are intimately linked to the high surface area of the dispersed phase and the chemistry of these interfaces This linkage is well illustrated by the titles of two of...
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Surface Chemistry ppt
... MWNT1200 C 99. 50 99. 52 99. 52 99. 35 H 0.50 0.48 0.48 0.57 N - - - 0.08 Table EA results of the pristine MWNT and EB-MWNT 221 222 Physical and Chemical Properties of Carbon Nanotubes 2.3 Properties of ... of mechanical properties of MWNTs exposed to prolonged 2-MeV electron irradiation [Salvetat et al., 1999 ] 219 220 Physical and Chemical Properties of Carbon Nanotubes Figure Molecular model of ... surface water and fresh groundwater, with the purpose of softening and removal of disinfection by-product precursors [Raymond, 1999 ] The develop‐ ment of advanced membrane technologies with controlled...
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nano-surface chemistry, 2002, p.674
... some form of stepper or slider with single step sizes of the order of microns, with a piezo device providing displacements of the order of one tenth of an angstrom up to a maximum of several ... stages of the interaction involved some of the alkane molecules adhering to the tip, followed by flattening of the film and partial wetting of the sides of the tip Continued reduction of the ... concentrations, a process of restructuring of the adsorbed polymer builds a new double layer by additional binding of the polymer thickness of the adsorbed layer of PSS is in the range of 1.5–2.5 nm (it...
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báo cáo hóa học: " Bayesian bias adjustments of the lung cancer SMR in a cohort of German carbon black production workers" pdf
... only slightly when Page of 14 Figure Trace plots of logit of proportion of current or former smokers among exposed to carbon black (= xsm_exp) and logit of proportion of previously exposed to ... see chapter 19 of [9]) However, implementing correlations of 0.8 between the draws of the logit of smoking prevalences among cohort and population and between the draws of the logit of crystalline ... estimates of the uncertainty of the SMR as a result of confounding can be determined We use the carbon black example to apply and illustrate this method Details of the procedure and explanations of...
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báo cáo hóa học: " Thermal properties of carbon black aqueous nanofluids for solar absorption" pot
... properties of carbon black nanofluids (a) Temperature as a function of time, (b) temperature enhancement as a function of time the temperature of 7.7 vol.% nanofluids is close to that of 6.6 vol.% ... properties of carbon black nanofluids Optical properties of carbon black powder and nanofluids Rheological behaviors of carbon black nanofluids Figure shows the UV-Vis-NIR absorption spectra of carbon ... conductivity of nanofluids J Appl Phys 2009, 106:094312 28 Cheng B, Du K, Zhang XS, Yang L: Influence of ingredients of carbon black nano-particle suspension of ammonia solution on viscosity of nanofluid...
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Báo cáo hóa học: "Effect of the carbon nanotube surface characteristics on the conductivity and dielectric constant of carbon nanotube/poly(vinylidene fluoride) composites" doc
... Conclusions The effect of surface modifications of multi-walled CNTs on the electrical response of CNT/PVDF nanocomposites has been investigated The main effect of oxidation is a reduction of the composite ... MMA, Órfão JJM: ’Modification of the surface chemistry of activated carbons’ Carbon 1999 , 37:1379 Banerjee S, Hemraj-Benny T, Wong S: ’Covalent surface chemistry of single-walled carbon nanotubes’ ... the incorporation of the CNT in the PVDF matrix but leads to a gradual increase of the dielectric constant (ε’) as the amount of the filler is increased (Figure 4b) The increase of the ε’ is larger...
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Báo cáo hóa học: " SiC Nanowires Synthesized by Rapidly Heating a Mixture of SiO and Arc-Discharge Plasma Pretreated Carbon Black" ppt
... SEM image of SiC nanowires; b the magnified SEM image of SiC nanowires; and c the TEM image of SiC nanwires with a core-shell SiC/SiO2 structure The inset in a shows the EDX pattern of SiC nanowires ... apparatus for synthesis of SiC nanowires 123 Fig XRD pattern of the SiC nanowires reflections of cubic b-SiC (unit cell parameter a = 0.4 370 nm) These values are almost identical to the known values ... the range of 60– 100 nm and the length are several microns The observed impurities in SEM images were the intermediate product of SiO2 and the residual carbon To validate the existing of impurities,...
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Nano-Surface Chemistry ppt
... some form of stepper or slider with single step sizes of the order of microns, with a piezo device providing displacements of the order of one tenth of an angstrom up to a maximum of several ... stages of the interaction involved some of the alkane molecules adhering to the tip, followed by flattening of the film and partial wetting of the sides of the tip Continued reduction of the ... concentrations, a process of restructuring of the adsorbed polymer builds a new double layer by additional binding of the polymer thickness of the adsorbed layer of PSS is in the range of 1.5–2.5 nm (it...
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Surface chemistry of organic carbonyl compounds and their derivatives on ni (111
... spectrum of the CO post-dosed surface (Figure 2.8b) Ar (99. 9995 %), O2 (99. 999% ), and CO (99. 99%) were obtained from Soxal and Messer Gas Products and were used as purchased Acetone (99. 6%), acetone-d6 ... News 1992 , 70, 22 16 Wander, A.; King, D Chemistry in Britain 1992 , 28, 998 17 Bhasin, M M Catal Lett 1999 , 59, 18 Barteau, M A Chem Rev 1996 , 96, 1413 19 Weldon, M K.; Friend, C M Chem Rev 1996 , ... spectra of acacH adsorbed on Ni(111) at 120K as a function of exposure 98 Figure 5.2 RAIR spectra of Ni(111) exposed to acacH as a function of adsorption temperature 99 Figure 5.3 RAIR spectra of...
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Tài liệu Medicinal Chemistry and Pharmacological Potential of Fullerenes and Carbon Nanotubes docx
... cytochrome C binding of four families of exohedral adducts of C60 and C70 Org Biomol Chem 5:3 599 3613 Xiao L, Takada H, Maeda K, Haramoto M, Miwa N (2005) Antioxidant effects of water-soluble fullerene ... developed to purify CNTs, such as oxidation, microfiltration, chromatography and microwave irradiation (Ajayan, 1999 ; Xie et al., 1999 ) The solubilisation of CNTs can be achieved following two major ... span of the animals, while the combination of the anticancer drug and nitroxide fullerene derivative resulted in the survival of 70% animals, classifying these compounds as promising modifiers of...
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Báo cáo hóa học: "Nanopatterning on silicon surface using atomic force microscopy with diamond-like carbon (DLC)-coated Si probe" pptx
... number of scratch or scan cycle (a) The AFM images of the scratches at 10 μN of applied force and μm/s of scratch speed in the forward scratch (b) Correlation of d and Wf data with numbers of scratching ... For the arrays of parallel lines with an area of × μm , the depth of the groove is about nm with a pitch of 90 nm As for the square arrays scratched on an area of × μm , the depth of the groove ... http://www.nanoscalereslett.com/content/6/1/518 Page of Figure AFM images of the grooves (a-b) The AFM images of the grooves scratched at μm/s of scratch speed under different applied forces in the forward scratch (c) The size of the scratched...
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Báo cáo hóa học: " Synthesis of multi-walled carbon nanotube/ polyhedral oligomeric silsesquioxane nanohybrid by utilizing click chemistry" pptx
... sodium azide in the presence of ammonium chloride, as shown in Figure Typically, a solution of POSS (1.0 g 3.19 mmol) in tetrahydrofuran (THF) (5 ml) was added to a solution of sodium azide (208 mg ... Typically, 20 mg of alkynefunctionalized MWNTs was dispersed in 15 ml of DMF The MWNTs solution was added to a two-necked flask containing a 400 mg (0.43 mmol) solution of POSS-N3 in 15 ml of DMF The ... reaction of POSS with sodium azide in the presence of ammonium chloride The success of click cycloaddition is supported by evidence from FT-IR, Raman, XPS, TEM, EDX, and TGA As a confirmation of the...
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Báo cáo hóa học: " Effects of Gas Composition on Highly Efficient Surface Modification of Multi-Walled Carbon Nanotubes by Cation Treatment" pptx
... on the surface of the tubes The ratio of H2 to O2 is critical to the process because it directly correlates with the composition of the generated cations In this study, the effect of gas composition ... and b TEM images of the pristine MWCNTs, c SEM, and d TEM images of ECR-plasma-treated MWCNTs with exposure under H2/O2 gas compositions of 40/10 (sccm/sccm) Fig XPS C 1s spectra of the pristine ... H2/O2 ratio of 25/25 (sccm/sccm), the highest concentration of Nanoscale Res Lett (2009) 4:234–239 237 Fig XPS C 1s spectra of the pristine MWCNTs and the ECRplasma-treated MWCNTs after of exposure...
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Integrated Assessment of Black Carbon and Tropospheric Ozone docx
... livelihoods of millions of people Black carbons darkening of snow and ice surfaces increases their absorption of sunlight, which, along with atmospheric heating, exacerbates melting of snow and ... and Hoffman kilns Replacing traditional coke ovens with modern recovery ovens, including the improvement of end -of- pipe abatement measures in developing countries Ban of open field burning of agricultural ... concentrations of BC, OC and O3 (largely through reductions in emissions of CO) The warming effect of BC and O3 and the compensating cooling effect of OC, introduces large uncertainty in the net effect of...
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Chemistry of Carbon Nanotubes phần 3 potx
... by TEM One of the most exotic applications of CNT filled with a molten metal was the preparation of miniaturized thermometers The group of Bando described how the height of a column of liquid ... internal cavities of tubes.411 Comparison of the catalytic activities of immobilized enzyme with those of the free species in the hydrolysis of penicillin showed that a significant amount of the inserted ... Chemistry of Carbon Nanotubes of translocation, a prerequisite for nanoscale separation devices 5.3 Encapsulation of Liquids A particular area of interest is the use of carbon tubes in nanofluidics...
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Báo cáo khoa học: "Antigenic diversity of Theileria major piroplasm surface protein gene in Jeju black cattle" ppt
... Genetic diversity of major piroplasm surface protein genes and their allelic variants of Theileria parasites in Thai cattle J Vet Med Sci 1999 , 61, 991 -994 19 Song KH, Sang BC Prevalence of Theileria ... contained μl of PCR product, μl of buffer (×10), 10-15 units of restriction enzyme, and dH2O to a final volume of 10 μl The reaction mixture was incubated o at 37 C for h The sizes of the digested ... Japan), 200 mM of each dNTP, and 50-100 ng of template DNA in a final volume of 20 μl PCR was performed in the TaKaRa PCR thermal cycler o (Takara Shuzo, Japan) with an initial denaturation of 94 C...
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