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Online since: July 2011
Authors: Hai Yan Ma, Xiao Qing Sun, Jian Min Bian
Using survey information about pollution sources and water quality monitoring data, water quality condition was analyzed systematically.
During the Eleventh Five-year plan, a special research has done for pollution treatment against the major river systems and branches, and then accumulated the massive data and model technology.
Based on water quality monitoring data and survey information about pollution sources, water quality situation and change trend of Yitong River were studied systematically.
Water quality change Combined with pollution sources survey information and water quality monitoring data in sections of Xinlicheng Reservoir, Changchun City, Nong’an County and Kaoshan Village in 2004, 2006 and 2007a in the Yitong River basin, water quality change through investigating DO, COD, CODMn, BOD5, NH3-N was analyzed, and the results are shown in Fig. 1.
Through the analysis on varying parameters of N, P fertilizers and land area change in the upper reach, application rate and loss of fertilizers reduction in paddy field were similar to the dry land’s, in accordance with smaller change of NH3-N in three sections of Xinlicheng Reservoir.
During the Eleventh Five-year plan, a special research has done for pollution treatment against the major river systems and branches, and then accumulated the massive data and model technology.
Based on water quality monitoring data and survey information about pollution sources, water quality situation and change trend of Yitong River were studied systematically.
Water quality change Combined with pollution sources survey information and water quality monitoring data in sections of Xinlicheng Reservoir, Changchun City, Nong’an County and Kaoshan Village in 2004, 2006 and 2007a in the Yitong River basin, water quality change through investigating DO, COD, CODMn, BOD5, NH3-N was analyzed, and the results are shown in Fig. 1.
Through the analysis on varying parameters of N, P fertilizers and land area change in the upper reach, application rate and loss of fertilizers reduction in paddy field were similar to the dry land’s, in accordance with smaller change of NH3-N in three sections of Xinlicheng Reservoir.
Online since: November 2013
Authors: Corrado lo Storto
The size of sample was kept small to assure acceptable accuracy and completeness of data.
Data shows that scale diseconomies are important and 25 companies are scale inefficient.
Table 4 displays data relative to scale inefficiencies and returns to scale typologies for scale inefficient companies.
Acknowledgements The support provided by Daniela Di Mario to collect data is gratefully acknowledged.
Rappuoli, Optimal scale in the Italian gas distribution industry using data envelopment analysis, Omega Vol. 36 (2008), pp. 325–336
Data shows that scale diseconomies are important and 25 companies are scale inefficient.
Table 4 displays data relative to scale inefficiencies and returns to scale typologies for scale inefficient companies.
Acknowledgements The support provided by Daniela Di Mario to collect data is gratefully acknowledged.
Rappuoli, Optimal scale in the Italian gas distribution industry using data envelopment analysis, Omega Vol. 36 (2008), pp. 325–336
Online since: June 2013
Authors: Danuta Stróż, Maciej Zubko, Enrico Mugnaioli, Joanna Wspaniała
The method was proposed in 1994 by Vincent and Midgley [8] for ab-initio structure determinations from electron diffraction data.
Due to these features PED pattern contain more complete data with more reliable intensities suitable for structural studies.
After each rotation crystal was tracked in image mode to ensure that data collection is performed always from the same region.
The accuracy of cell parameters determination from tilt series of electron diffraction patterns is influenced by the calibration procedures and other systematic errors during data reduction process (locating of the centre of individual diffraction pattern, correction for the tilt of rotation axis and background correction).
Obtained agreement factors (R1, wR2) are very reasonable for electron diffraction data.
Due to these features PED pattern contain more complete data with more reliable intensities suitable for structural studies.
After each rotation crystal was tracked in image mode to ensure that data collection is performed always from the same region.
The accuracy of cell parameters determination from tilt series of electron diffraction patterns is influenced by the calibration procedures and other systematic errors during data reduction process (locating of the centre of individual diffraction pattern, correction for the tilt of rotation axis and background correction).
Obtained agreement factors (R1, wR2) are very reasonable for electron diffraction data.
Online since: December 2014
Authors: Yao Lin Lin, Nyuk Hien Wong, Wei Yang
The results show that shading is the key strategy for improving outdoor thermal environment in Singapore because it leads to reduction on the air temperature and mean radiant temperature simultaneously.
It gives a large amount of output data including the necessary variables which are needed in calculating thermal comfort indices.
The simulation study was carried out on 27 April 2012 since it is the hottest day during the measurement period, according to meteorological data from Sentosa weather station near the study area.
The measured data from field measurement were compared with the result generated by ENVI-met simulation (base case).
The results show that shading is the key strategy for improving outdoor thermal environment in Singapore because it leads to reduction on the air temperature and mean radiant temperature simultaneously.
It gives a large amount of output data including the necessary variables which are needed in calculating thermal comfort indices.
The simulation study was carried out on 27 April 2012 since it is the hottest day during the measurement period, according to meteorological data from Sentosa weather station near the study area.
The measured data from field measurement were compared with the result generated by ENVI-met simulation (base case).
The results show that shading is the key strategy for improving outdoor thermal environment in Singapore because it leads to reduction on the air temperature and mean radiant temperature simultaneously.
Online since: July 2013
Authors: Janice M. Dulieu-Barton, R.K. Fruehmann, Simon Quinn
However, the relative difference in ΔT within a data set can be used for quantitative comparisons.
The effect of the weave pattern can clearly be seen in both data sets.
To account for the different spatial resolution of the two data sets, the length has been normalised.
The data in Fig. 6(a) is comprised of 9 images stitched together while Fig. 6(b) is a single image.
(a) (b) (c) Fig. 8 : Normalised ΔT data from natural frequency loading with increasing damage increments The effect of the damage on the stress concentration at the bolt hole can clearly be seen in the data in Fig. 8(b) and (c).
The effect of the weave pattern can clearly be seen in both data sets.
To account for the different spatial resolution of the two data sets, the length has been normalised.
The data in Fig. 6(a) is comprised of 9 images stitched together while Fig. 6(b) is a single image.
(a) (b) (c) Fig. 8 : Normalised ΔT data from natural frequency loading with increasing damage increments The effect of the damage on the stress concentration at the bolt hole can clearly be seen in the data in Fig. 8(b) and (c).
Online since: September 2013
Authors: Hyu Sun Yu, Y. Iino, T.Y. Kim, S.H. Chung
Shape of the curve at RT is similar to many reported data of ductile materials, i.e. elastic deformation, yielding, inflection point at the work-hardening stage, the slow
Fig. 5 Micrographs of the recrystallized zones (whitely thermal-etched region) showing PZ0.02 (left hand side) and PZ0.12 (right hand side) in the specimens loaded at 77K to cc, ee…, gg in Fig. 2.
The thickness very near the fracture is from Fig. 4 0.28mm ( the thickness reduction is 44.6%).
The thickness near fracture is 0.43mm (the thickness reduction is 14.0%).
Although the fracture strain can not be estimated from only the thickness reduction, it is obvious that the ductility at 77K is much smaller than at RT.
The thickness very near the fracture is from Fig. 4 0.28mm ( the thickness reduction is 44.6%).
The thickness near fracture is 0.43mm (the thickness reduction is 14.0%).
Although the fracture strain can not be estimated from only the thickness reduction, it is obvious that the ductility at 77K is much smaller than at RT.
Online since: February 2020
Authors: Ionuţ Daniel Geonea, Adrian Sorin Rosca, Laurenţiu Racilă, Paul Rinderu, Valeriu Ionică
[4] Rahman, Roslan Abd, Mohd Nasir Tamin, and Ojo Kurdi, Stress analysis of heavy duty truck chassis as a preliminary data for its fatigue life prediction using FEM, Jurnal Mekanikal 26.2 (2008)
[6] Jean-François Audet, Programme de réduction du poids des autobus urbains phase 1, Centre des Matériaux composites de Saint-Jérôme, TP 13423 F, 1999
[7] Martec Limited, Intercity Bus Weight Reduction Program Montreal, Transportation Development Centre, TP 13560E, 2000
[9] Martec Limited, Intercity bus weight reduction program: Phase 2 - A design investigation for lightweight intercity bus roof and floor components", TP 14243E, 2003 [10] Kenji Karita, Yoichiro Kohiyama, et al., Development of Aluminum Frame for Heavy-Duty Trucksé, N.I5 (Technical review), pp 81-84, 2003
[6] Jean-François Audet, Programme de réduction du poids des autobus urbains phase 1, Centre des Matériaux composites de Saint-Jérôme, TP 13423 F, 1999
[7] Martec Limited, Intercity Bus Weight Reduction Program Montreal, Transportation Development Centre, TP 13560E, 2000
[9] Martec Limited, Intercity bus weight reduction program: Phase 2 - A design investigation for lightweight intercity bus roof and floor components", TP 14243E, 2003 [10] Kenji Karita, Yoichiro Kohiyama, et al., Development of Aluminum Frame for Heavy-Duty Trucksé, N.I5 (Technical review), pp 81-84, 2003
Online since: September 2014
Authors: Siti Aslina Hussain, Nur Sofuwani Zainul Abidin, Siti Mazlina Mustapa Kamal
Fouling leads to rise in pressure drop across the heat exchanger (with reduction of flow-rate).
Lactose was removed by 10KDa molecular weight cut off (MCWO)-sized ultrafiltration membrane corresponds to a nominal pore diameter 10 – 100 nm. 2.3 Performances of the membranes The performances of the membrane can be determined based on permeate flux, volume reduction factor (VRF), and recovery rate (RR) which can represent with these equations: i) Permeate flux (L/m2.hr) a) Effect of pressure on flux b) Effect of flow-rate on flux ii) Volume Reduction Factor VRF=V0Vf
The data below was obtained from analysis using MilkoScan FT2 by the researcher.
Lactose was removed by 10KDa molecular weight cut off (MCWO)-sized ultrafiltration membrane corresponds to a nominal pore diameter 10 – 100 nm. 2.3 Performances of the membranes The performances of the membrane can be determined based on permeate flux, volume reduction factor (VRF), and recovery rate (RR) which can represent with these equations: i) Permeate flux (L/m2.hr) a) Effect of pressure on flux b) Effect of flow-rate on flux ii) Volume Reduction Factor VRF=V0Vf
The data below was obtained from analysis using MilkoScan FT2 by the researcher.
Online since: June 2012
Authors: Qiang Li, Dan Yu Jiang, Qing Lv, Cai Xia Li
Most researches have focused on transition metal-layered materials and objects with strong reduction.
By constrast, there are few studies on the layered materials of SnS2 with CdI2 morphology and organic amine of weak reduction [3].
Among Ethylenediamine molecules, there is no shared electron on nitrogen atoms, so they can show a certain reduction.
In the Fig.1.a, all of the diffraction peaks of the SnS2 are clearly observed in this figure and the XRD pattern is indexed as the pure hexagonal SnS2 structure in good agreement with the reported data (PDF card 23-0677).
By constrast, there are few studies on the layered materials of SnS2 with CdI2 morphology and organic amine of weak reduction [3].
Among Ethylenediamine molecules, there is no shared electron on nitrogen atoms, so they can show a certain reduction.
In the Fig.1.a, all of the diffraction peaks of the SnS2 are clearly observed in this figure and the XRD pattern is indexed as the pure hexagonal SnS2 structure in good agreement with the reported data (PDF card 23-0677).
Online since: February 2011
Authors: Die Peng, Xiao Yu Chen, Yu Ting Bai, Zhen Zhen Chang, Qing Hua Chang
Magnesium alloy has high specific strength and specific stiffness, damping and noise reduction and performance advantages for electromagnetic interference shielding, and absorption of shock and vibration energy intensity, in the aviation, aerospace, automotive, instrumentation, electronics and other industries are widely used.
NaBH4 uses the strong reduction of BH4 – in strong alkali solution to make Ni + reduction, and the reaction process will produce H +, it brings about that the PH of plating solution decreases and plating speed also decreases, so we should add NaOH to keep the stability of the pH.
From the data available we can obtain that, when the sodium hydroxide concentration is low, deposition rate increases with the growing of concentration.
NaBH4 uses the strong reduction of BH4 – in strong alkali solution to make Ni + reduction, and the reaction process will produce H +, it brings about that the PH of plating solution decreases and plating speed also decreases, so we should add NaOH to keep the stability of the pH.
From the data available we can obtain that, when the sodium hydroxide concentration is low, deposition rate increases with the growing of concentration.