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Online since: December 2007
Authors: Ho Chang, Shih Chieh Lin
The experimental results show that the average Zeta potential of TiO2 nanofluids are -54.2 mv, and the difference between the data and the average value of each set is less than 7%.
Furthermore, the average particle size is 45.3nm, and the difference between the data and the average value of each set is less than 6%.
This indicates that because of the reduction of piping length and the larger containment of coolant inside the vacuum chamber, the temperature control of the improved system can more closely approach the set temperature, and the range of temperature change is clearly smaller than the original system.
Figure 3(A) shows the average Zeta potential is -54.2mv, and the difference between the data and the average value of each set is less than 7%.
Figure 3(B) shows that the average value of the average particle size is 45.3nm, and the difference between the data and the average value of each set is less than 6%.
Online since: December 2011
Authors: Michael Ferry, Kevin J. Laws, M. Zakaria Quadir, Wan Qiang Xu, Nasima Afrin Zinnia, Lori Bassman, Cassandra George, Cullen Mcmahon
In principle, data generation is reasonably straightforward whereby the FIB is used as a high precision serial sectioning device for generating consecutive milled surfaces suitable for mapping by EBSD.
However, there are several challenges facing the technique including the need for accurate reconstruction of the EBSD slice data and the development of methods for representing the myriad microstructural features of interest including, for example, orientation gradients arising from plastic deformation through to the structure of grains and their interfaces in both single-phase and multi-phase materials.
(c) Figure 3: (a) Front and (b) rear surface of a reconstructed microband in an as-deformed Ni single crystal (minimal data smoothing), and (c) stereographic projection showing both the traces and normals of the range of orientations of the surfaces of two microbands, including the one given in (a).
Similarly, the structure of MBs in FCC alloys is under investigation using Goss-oriented Ni single crystals deformed in PSC to strains of 10 to 70% reduction, and coarse-grained commercial purity aluminium deformed in uniaxial tension or rolling to strains up to 50%.
The microbands were reconstructed from the consecutive EBSD sections whereby boundary recognition, data alignment and post-processing was carried out using our in-house software [34].
Online since: December 2009
Authors: Ehsan Mahdavi, Mahmoud Mosavi Mashhadi
The program is run, and the output is compared with experimental data in order to valid the model.
To validate the result, experimental data from selected material were used.
In experimental data the value of table 3 is obtained.
Figure 6 Mass and stress distribution near to the crack tip A curve is then fitted to the data of table 3.
In this study, a crack in a pressure vessel was modeled and validated by experimental data on notched-specimen hydrogen pre-charging.
Online since: January 2013
Authors: Thanasis Triantafillou, Catherine Corina G. Papanicolaou
The results indicate that the use of prefabricated TRC stay-in-place formwork elements is a promising solution for achieving reduction of the construction time, minimization of labor cost and defect-free finishing of external surfaces.
The guaranteed tensile strength of the fibers (as well as of the textile, when the nominal thickness is used) in each direction was taken from data sheets of the producer equal to 3500 MPa and 1750 MPa for carbon and E-glass fibers, respectively; the elastic modulus of the fibers was 220 GPa (carbon) and 72 GPa (E-glass).
Concrete crushing in the compression zone for specimens with steel-reinforced cast-in-situ parts was the cause for load-bearing capacity reduction.
The specimen’s progressively reducing stiffness was reflected upon the slope reduction of each consecutive linear branch.
Buckling of the vertical steel bars was observed at a later stage of the test (at 50% load carrying capacity reduction) causing textile rupture and total failure of the specimens (Fig. 14f).
Online since: August 2013
Authors: N.V. Martyushev, E.N. Pashkov
In the article data about application nanopowder on a structure of coatings of the form are submitted at a casting of lead-tin bronzes.
From the data resulted in the table and technical requirements to become clearly that depth of gas pockets on a handsheet surface it is not possible to be more than 5 mm.
Reduction of amount of gases at the expense of careful scrubbing action of a surface from a deposit and combustion yields coating and not uses coating (as gas emissive) led welding to a cast part to a surface of the shape and the considerable difficulties at its extraction.
Online since: October 2010
Authors: Li Chen, Jia Lu Li, Guo Li Zhang, Guang Wei Chen, Fu You Wang
All above experimental results could provide fundamental data to the optimal design complex structure laminated composite parts.
R.P.Jia [8∼9] studied the tensile strength of carbon bismaleimide laminates with two vertical line splicing plies, the stress concentration in the splicing region is the main reason for the reduction tensile strength of splicing laminates.
(a) (b) Figure 3 Typical load-displacement curves of flexural test, (a) the flexural load-displacement curves of DLS and CL, (b) the flexural load-displacement cures of LS and CL Table 3 the flexural experimental data of laminated Splicing shape Sample code Splicing interval length/mm Flexural strength/MPa Flexural modulus /GPa Double vertical line form DLS4 4 119.5 5.62 DLS8 8 135.5 6.14 DLS12 12 173.7 7.37 DLS16 16 193.9 7.68 Ladder form LS4 4 227.9 7.06 LS8 8 230.0 7.37 LS12 12 232.7 7.58 Continuous form CL - 243.8 7.68 Conclusions In this paper, the tensile properties and flexural properties of different splicing shape and interval length were tested, yielding the following conclusions: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0.0 0.1 0.2 0.3 0.4 0.5 0.6 Load/KN Displacement/mm LS4mm LS8mm LS12mm LC 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0.0 0.1 0.2 0.3 0.4 0.5 0.6 Load/kN Displacement/mm
Online since: July 2024
Authors: Jawad Ashraf, Zaheer Ahmad, Naveed Anjum, Usman Ghani
Methodology 2.1 Validation of Numerical Model The numerical model is validated using experimental data from Plew's [17] laboratory studies.
The mean velocity u/Uo velocities within the canopy region and free region (as shown in Fig. 1) were validated by comparing computational and experimental data.
In the vegetation-covered portions of the FVIs patches, experimental and numerical data demonstrate that the mean flow velocities are drastically lowered.
The outcomes demonstrate that the computational data and experimental data exhibit strong agreement, demonstrating the viability of the current numerical model.
Conversely, discrepancies in experimental data may also occur due to unavoidable human measurement errors during the experiment.
Online since: February 2016
Authors: Sana Ali
Though most of the existing methods are highly sensitive and reasonably safer to use but still there is the need of development of new green methodologies focusing on the reduction of solvent consumption, replacement of environmentally hazardous solvents with more benign alternatives, miniaturization of instrumentation and solvent- free sample preparation.
- Miniaturization of instrumental set-up - Reduction of analytical operations - Automation and integration of different operational steps.
Minicolumn techniques should not be used for quantitative purposes where accurate quantitative data are required.
Wild,  Reduction in exposure to carcinogenic aflatoxins by post-harvest intervention measures in West Africa: a community- based intervention study, Lancet 365 (2005) 1950-1956
Online since: July 2015
Authors: Samuel C. Uzoechi, Goddy C. Okoye, Ejeta Kennedy Oghenenyore, Benjamin I. Nkem, Gideon I. Ndubuka, Patrick Ugochukwu Agbasi
Expression data showed that this was this gene had the most consistent expression.
Light-Cycler data was analyzed using the fit point method of Light-Cycler software.
Data represent the mean and standard deviation of four donors at 7 days, n = 4 GAG/DNA values of p2 cells under normoxic condition also did not statistically change with glucose concentration.
These data were confirmed by EdU by comparing the EdU positive cells in 5 and 20mmol/L with glucose deprived medium in chondrocytes-agarose constructs.
The result predicted suitable stimulatory effect of glucose concentration of 5 and 20mmol/L on chondrocytes proliferation in 3D (Data not shown).
Online since: January 2004
Authors: T.G. Kryshtab
At STTA a reduction of residual strain in multilayer metallic films, an increment of film grain size, a change of grains preferred orientation in the Au polycrystalline film and a transformation of surface morphology of the upper Au film were observed.
Such behavior of roughness and nonuniformity of the outer surface for Au-TiB2 film at STTA in dependence of annealing temperature is in agreement with literature data.
The data of AFM are in good agreements with XRD results, which are shown in Fig. 1.
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