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Online since: October 2013
Authors: Yi Lin Zhou, Yong Qing Jin, Tai Xiong Guo, Xue Qiang Dong
The results of tracing survey and statistical analysis from a large number of production data show that the distribution of bugle particle defect is closely related to sheet thickness.
Furthermore, the No.1 stand has the largest reduction and the most influence on surface cleanliness of cold rolled sheet.
Online since: August 2008
Authors: Tawee Tunkasiri, D. Holland, Kamonpan Pengpat, A. Munpakdee
Data was recorded over the frequency range 10 Hz to 1000 kHz.
From Table 1, it can be noticed that the increase amount of GeO2 content causes the reduction of density and the increase of Tg.
Online since: April 2005
Authors: Vlastimil Vodárek, Gabriela Rožnovská, Jaromír Sobotka
Table 2 summarises data on temperatures of solution annealing, linear austenitic grain size, the Rp0.2 values at both 20 and 300°C and the creep strengths for 104 and 10 5 hours at temperatures of creep testing.
Small additions of niobium to the AISI 316LN steel resulted in a significant reduction of steady creep rate and shortening of the tertiary creep stage.
Online since: May 2011
Authors: Gang Yi Cai, Yu Yong Yang, Xiao Hua Li
The samples were solution treated at temperature 470 for 2 hours in an resistance furnace, which was determined on the basis of literature data and calorimetric investigation [3,4], and cooled with water, Then compression deforming was exerted on samples in universal testing machine, and the compression ratios were calculated by height reduction from 10%, 20%, 30% to 40% respectively.
Online since: November 2014
Authors: Li Juan Yan, Yuan Li, Jing Shen
Definition of symbols : Wind power electricity cost per Kilowatt-hour of the year : The total construction cost : Annual maintenance cost : Annual fixed expenses : Annual interest cost : Annual tax cost : Design life of the wind farm : The Quantity of grid electricity of a year : The amount of subsidies per Kilowatt-hour : The proportion of loans in the specific project : The sum of already paid principal : Loan period : loan interest rate : The value-added tax The model can be represented by the equation: (1) Which, l , , was given by the specific project data.
The corporate income tax of wind power enterprise is calculated by 0.04 yuan/KWh, which follows the principle of “reduction in the first three years and halves in the next three years”.
Online since: January 2013
Authors: Eun Seong Lim, Hwang Jin Son, Young Tae Cho, Yoon Gyo Jung
The transfer speed needs to be greatly reduced to cut with a slenderness ratio of 7, as shown in the figure, and the determination of the machinable area considering the slenderness ratio that can be used to define the cutting conditions in further research Fig. 9 Determination of the machinable area under various cutting conditions involving a 5-axis CAM automatic module of an impeller resulted as the useful data of this study [3].
Conclusions (1) A large slenderness ratio of the tool increases the vibration of the tool and the remaining cutting amount, but the surface roughness of the machined surface tends to improve due to the burnishing phenomenon and a reduction of the actual cutting amount
Online since: June 2012
Authors: Normando Perazzo Barbosa, Marilia P. Oliveira, Cibelle G. Silva
These data show that there is a latent potential for the use of gypsum in Brazil [2].The plaster can be considered a binding energy-efficient, which is of interest to the sustainability of construction: in its manufacturing process, while the Portland cement requires temperatures of 1450oC, emitting CO2 in the atmosphere, gypsum can be obtained with less than 170 °C, emitting water vapor.
In the case of reinforced concrete structural elements subjected to bending, the reduction of adhesion is characterized by decreased rigidity of these elements [5].
Online since: September 2014
Authors: Carlos Maurício Fontes Vieira, Mariane Costalonga de Aguiar, Wagner Souza Ribeiro, Michelle Pereira Babisk, Francisco Wilson Hollanda Vidal, Sergio Neves Monteiro
The XRD spectrum was interpreted through the PDF O2 (ICDD 2006) data bank by the Bruker DiffractPlus software.
In fact, the increase in temperature promotes a reduction in the viscosity of low melting point phases and permits an easy flow in between the empty interparticle spaces.
Online since: November 2015
Authors: C. Daniel Comeagă, A. Mihaela Mîţiu, Viorel Gheorghe
• Cost reductions and improvements in mass production technologies, like MEMS technology, enabled manufacturers to implement more and more electronics and sensors into products (as tire pressure monitoring [2] or consumer electronics equipped with sensors and wireless functions
) • The trends towards process automation, safety and comfort require more and more electronics for data acquisition, processing and communication [3]
Online since: September 2015
Authors: Chang Sik Choi, B.I. Bae, Hyun Ki Choi
In this study, we investigated ultimate bond stress between steel rebar and Steel fiber reinforced ultra-high Strength concrete to give low data for development length determination.
As shown in Fig. 3 (b) ~ (d), steel fiber significantly increase the slip without stress reduction.
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