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Online since: August 2016
Authors: Hendra Suherman, Abu Bakar Sulong, Jaafar Sahari, Irmayani Irmayani, Duskiardi Duskiardi
However with orthogonal array, the number of trials can be minimized using L9 orthogonal array. 2.6 Data analysis In order to obtain the maximum outcome from this study which is maximum flexural strength, the bigger the better characteristic was chose based on Taguchi method which defined as: η=-10log⁡(MSD) (1) Where η is signal to noise ratio (S/N) and MSD is the mean square deviation of the objective function, and given as: MSD=1ni=1n1yi2 (2) Where n is the number of repeated experiments for each combination of control factors, and yi is the measured flexural strength of the CB/G/EP nanocomposites at its repeating experiment. 3.
Lye, Void reduction in autoclave processing of thermoset composites: Part 1: High pressure effects on void reduction, Compos, 23(1992) 261-265
Online since: April 2024
Authors: Arif Mammadov, Elxan Mammadov, Muxtar Huseynov, Nizami Ismayilov
The allowances used in the ship and ship cleaning are mostly measured data.
The kinetics of the reduction of hydrogen and nitrogen are determined by the following phases of the process: - the mixing of the atoms of the glass by the metal-glass separation process; - in the absence of hydrodynamic mixing, the diffuse thickness is reduced by means of a thin diffuse layer (if the width is intensively mixed, the thickness of the diffuse layer will be much less); - adsorption of the atoms of the glass at the bottom of the floor; - molecularization reactions and creation of qaz molecules; or; - desorbsiology of wounded molecules to the qase phase; quantity of sand molecules.
It can be seen from the equations (1) - (3) that the following factors contribute to the speed of degassing: - reduction of pressure on the surface of liquid steel; - value of the mass transfer coefficient; - value of the ratio of the treated surface to the volume of the metal, i.e .
Online since: February 2022
Authors: Evgeniy V. Aryshenskii, Viacheslav Bazhenov, Jurgen Hirsch, Sergey Konovalov
In general, the dendritic structure refinement data of the aluminum alloys match those obtained in the studies [17].
As for example, addition of 0.05 % and 0.1 % of zirconium to Al0.3Mg1.0Si0.3Sc alloy will lead to a grain size reduction from 1400 to 600 µm, further increase in zirconium content will lead to a grain size reduction to 200 µm.
Online since: February 2012
Authors: Heung Youl Kim, Hyung Jun Kim, In Kyu Kwon
But contrary to the merits of structural steels, the reduction of the load carrying capacity during a fire should be complemented by protection and fire resistance of columns and beams have to satisfy with each nation’s regulation [1].
Recently, the use of hollow sections is steadily increasing with the merits of asymmetric shapes and easiness to construct and reduction of construction cost [13].
Till now, Korea is keen to make the technical data to develop guidelines for a fire engineering design.
Online since: July 2016
Authors: Luigi Petti, Alessio Lodato, Angelo Mammone
The results show the effectiveness of the isolation strategy in the reduction of the probability of exceeding the limit states in the case of piers 1-2-5.
Results show, for both types of piers, not always a significant reduction of the base shear and horizontal top displacements in the case of retrofit with seismic isolation.
[20] Straub, D., Der Kiureghian, A., “Improved seismic fragility modeling from empirical data”, Structural Safety, 30(4), (2008), pp. 320–336
Online since: July 2013
Authors: Huan Dai, Ming Qiao Zhu, Wei Li, Zhang Fa Tong
A series of nano catalysts with different gold or cobalt loading content supported on activated carbon were prepared by Chemical Reduction Method and Deposition Precipitation Method, respectively.
Chemical Reduction Method:An aqueous HAuCl4 solution with the concentration of 10 g/L was prepared.
The analysis data showed the theoretical loadings, actual loadings and load efficiency of the catalyst samples.
Online since: October 2019
Authors: Gasidit Panomsuwan, Apiluck Eiad-Ua, Sittan Wongcharoen, Takahiro Ishizaki, Nattapat Chaiammart
The FTIR result provided evidence that pyrolysis at high temperatures under inert atmosphere resulted in a strong reduction of oxygen content through decomposition of functional groups.
Rojas, Advanced biomass–derived electrocatalysts for the oxygen reduction reaction, Adv.
Sing, Reporting physisorption data for gas/solid systems, Pure Appl.
Online since: July 2017
Authors: Ralf Eckner, Lutz Krüger
In order to obtain consistent high rate compressive stress/strain data, the SHPB apparatus was modified by a pulse shaping technique using OFHC-copper platelets [11] and subsequent numerical dispersion correction [12].
Reducing the Ni-content from 9 % to 3 % led to a reduction in stacking fault energy and austenite stability as shown in Table 3.
Especially in case of the TRIP steel, a further reduction in maximum hardening was measured.
Online since: January 2021
Authors: Yoshiaki Toda, Masayuki Shimojo, Tetsuya Matsunaga, Tsutomu Ito, Yoko Yamabe-Mitarai, Haruki Masuyama
Introduction Aircraft weight reduction has promoted to protect the environment and to counter the rising prices of crude oil in the aerospace industry.
The ingots were forged and groove-rolled to a 93% reduction at 1000 ˚C in the α + β phase field or 1080 ˚C in the β phase field to form a square rod of 14.2 mm in size.
The stress exponent, n, of LS was estimated as 4 for all stress range although data varied.
Online since: May 2023
Authors: E.G. Lebedeva, N.A. Kharitonova, I.V. Bragin
Since the data on accumulation of microelements by microbial mats of Kamchatka’s hydrotherms is very limited in the academic literature [9], this research was aimed at studying the degree of microelements accumulation and mineral formation by microbial communities formed in the Nachikinsky, Malkinsky, and Verkhne-Paratunsky thermal springs of Kamchatka.
Laboratory experiments previously proved that biogenic magnetite is formed as a result of the dissimilatory process of Fe(III) reduction by thermophilic microorganisms [20].
Slobodkin, Thermophilic microbial metal reduction, Microbiology. 5(74) (2005) 501-14.
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