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Online since: September 2019
Authors: Afonso Miguel Solak, Antonio José Tenza-Abril
To analyse qualitatively, the data were grouped into categories: 10%≥S>20%; 20%≥SI>30%; 30%≥SI>40% and 40%≥SI>50%.
This analysis becomes more evident when the data are represented by concrete type (Figure 3a) and it is verified that the correlations of LTWAC1 and LTWAC2, which has presented SI lower than 30%, are not good: 0,0742 and 0,0392, respectively.
In the same way, this analysis becomes more evident when the data are represented by concrete type (Figure 3b) and it is verified that the correlations of LTWAC1 and LTWAC2, which has presented SIs lower than 25%, are very poor: 0,0003 and 0,0167, respectively.
The volumetric fraction of aggregates – related to the theoretical densities in this paper - also affected the reduction of compressive strength due segregation.
Concretes manufactured in one layer, and with density of 1700 kg/m3 presented higher reductions of compressive strength due segregation than concretes with theoretical densities of 1900 kg/m3 (one layer).
Online since: July 2014
Authors: Hui Jing Yang, Hao Fan, Huai Guo Dong
The final overall simulation's experimental data verify the correctness of the processor.
Field Programmable Gate Arrays (FPGAs) are growing fast with cost reduction compared to ASIC design[2,3].
The control unit receives signals from the data path and sends control signals to the data oath.
These signals control the data flow within the CPU and between the CPU and the main memory and Input/Output.
Following the reset state would be the instruction fetching and decoding states which will enable the appropriate signals for reading instruction data from the memory then decoding the parts of the instruction.
Online since: September 2014
Authors: Michael Hinnemann, Christian Zybill, Vyacheslav Goryany, Johannes Buch, Erich Schubrikoff
The data allow a complete description of the roll behavior in operation.
The sectional method was applied using a stepwise reduction of the roll diameter in combination with monitoring the stress state of the roll (Fig. 1).
From these data, a 3-dimensional distribution of primary residual stress was derived.
After reduction of the maximum load to the permissible range, the rolls worked faultlessly.
Online since: November 2011
Authors: Pouya Ghalei, Alireza Fatehi, Mohamadreza Arvan
The three most issue in identification are data, model and the estimation method [2].
To have a successful identification, we should be able to collect data in a wide range of helicopter operating points.
By this controller, data collection is possible using proper excitation signal.
Low sampling time cause loss of data.
The excitation signal designed to make rich input-output data.
Online since: June 2014
Authors: Xin Yang, Qiang Xu, Zhong Yu Lu, Simon Barrans
Though there is a lack of experimental data for high Cr steels by X-ray microtomography currently, but (b) has provided reference value for studying creep cavitation behavior in high Cr steels.
The creep data is very limited, and the extrapolation if such data using the conventional empirical methods may not be reliable.
The quantitative data also validated the description of creep damage by numerical methods.
The quantitative data provide a function of describing nucleation, growth and coalescent with creep damage exposed time in dual phase steels, but yet getting in high Cr steel.
Further work should be provided more experimental data of X-ray tomography for high Cr steels need to quantify the experimental data of X-ray tomography for high Cr steels from planning new experiments and develop new creep cavitation model that the fundamental work for the development new creep damage constitutive equations for high Cr steels under high temperature at low stress.
Online since: September 2010
Authors: Gan Tek Keong, Abu Bakar Sulong, Jaafar Sahari
Experimental results of two sizes if filler shown that fine filler mold compound exhibited in reduction of gate chip off formation, compared to normal filler mold compound.
The demand for microelectronics package has increased tremendously in recent years because of the reduction in size of electrical components.
DOE is a technique widely used by many scientists and engineers to structure the data collection process for reducing trial and error.
DOE suggests various designs, which can reduce the number of data points to collect, while at the same time collecting sufficient data for analytical objectives [4,5].
This would lead to the reduction of possibility of gate chip off formation due higher strength of gate at fine mold compound than normal mold compund.
Online since: February 2011
Authors: Jin Song Chen
According to the data obtained, the at% of Al2O3 in the deposit increases sharply with increasing the concentration of Al2O3 in the electrolyte and attains the optimum values at 14.4 at% at 30 g/l Al2O3 suspension in the bath.
The data obtained in this investigation can be explained in terms of adsorption of Al2O3 on the cathode surface.
As a result, the reduction of copper ions is controlled by concentration overpotential, the amount of codeposition of Al2O3 particles gradually decreases.
This results in the reduction of the diffusion layer thickness and it is accompanied by the increasing of the metallic ion concentration in the diffusion layer.
Online since: May 2013
Authors: Di Liu, Dong Jin Zhang, Xin Ying Zhao, Guang Hui Xue, Miao Wu
Fig.2 Cutting unit reduction gear mechanism Fig.3 Traction unit reduction gear mechanism 2.2 Conditions of coal face and equipment The general arrangement of coal face is shown in Fig.4.
The data of the vibration signal is recorded by using a recording instrument.
After retrieving the vibration data from the working face successfully, we analyzed the signals.
Online since: April 2011
Authors: Li Ming Chen, Hui Zhao
PCA is used to process the sample data (here R software is used).
Evaluation indicators of the real estate project become 4 after reduction by PCA.
Then after the training results completed, all the calibration data are input to produce the last comprehensive-evaluation score, which is shown in table 3.
Intelligent parameter reduction using rough sets theory and sensitivity analysis.
Online since: June 2010
Authors: Simona Noveanu, Ion Lungu, Dan Mândru, Vencel Iosif Csibi
The advantages of compliant mechanisms are considered in two categories: cost reduction (part-count reduction, reduced assembly time and simplified manufacturing processes) and increased performance (increased: precision and reliability; reduced: wear, weight and maintenance) [3].
Experimental Bench For measuring data of piezoelectric actuator and compliant minigripper [6] we developed the command scheme in Simulink and the interface using ControlDesk application (Fig. 4).
The modules for the test bench The structure of the test bench for measuring the experimental data referring to the actuator and minigripper is presented in Fig. 5.
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