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Online since: May 2011
Authors: A A. Abuhabib, Abdul Wahab Mohammad, Rakmi Abd-Rahman
According to manufacturer data, NF membrane has 98% rejection of 2000mg/l of MgSO4 with flux of 100 L.mˉ².hˉ¹ and ASP 30 membrane has 40% rejection of 2000 mg/l of NaCl with a flux of 60 L.mˉ².hˉ¹.
This phenomenon is called concentration polarization, which contributes to osmotic pressure effect, resulting in flux reduction as noticed in figures 1 and 2.
Online since: October 2009
Authors: Costas P. Providakis
For the debonding model we consider a debonding area of 10 mm in length which is simulated by taking a 90% reduction on the original value of the healthy adhesive layer's modulus of elasticity.
For a type I error of 0.5% which corresponds to a 99.5% confidence interval the expected number of outliers is 5 out of 1000 data points.
Online since: July 2011
Authors: Zhao Lin Han, Yang Yang Wang, Jing Zhao, Feng Liu
Tab.1 Parameter of Vehicle Item Data Total mass (kg ) 1126 Cargo mass (kg) 136 Air resistance coefficient 0.312 Centre height (m) 0.53 Width (m) 1.70 Wheelbase (m) 2.6162 Wind resistance coefficient 1.2 Radius of wheel (m) 0.3166 The paper test fuel consumption, emission and dynamic performance of HEV by using test mode of CYC_UDDS,and compare the simulation results with the fedora control strategy of ADVISOR.The simulation results are seen in table 2,3.
Tab.2 Fuel Consumption and Emission Fuel consumption (L/100km) HC (g/km) CO (g/km) NOx (g/km) Control strategy in ADVISOR 7.03 0.52 2.361 0.407 New control strategy 6.55 0.505 2.208 0.358 Tab.3 Dynamic Performance Maximum speed (km/h) acceleration performance (0~96.6km/h) Grade ability in speed of 32.2km/h (%) Maximum acceleration (m/s2) Control strategy in ADVISOR 191.3 14.5 25.5% 4.9 New control strategy 191.3 12.9 31.2% 5.0 On the basis of simulation results, used new control strategy in ADVISOR, fuel saved by 7.3%, HC emission make a reduction of 2.9%,CO emission reduce 6.5% and NOx emission reduce 12%; in the test of dynamic performance, acceleration time of HEV reduce 11.1% and grade ability increase 5.7%.We know from the simulation results, new control strategy improve fuel consumption, emission and dynamic performance of HEV, new control strategy is proved to be more effective and practical compared with the original control strategy.
Online since: February 2011
Authors: Ji You Gu, Hai Yan Tan, Li Bin Zhu, Wei Wang, Xiang Li Weng
Data showed that when melamine addition is 4%, A’s dosage is 1.0%, the resin has the lowest free formaldehyde content.
To increase more amount of melamine had little effect on reduction of formaldehyde emission of resin, while the strength requirements have already been met, the result is to increase the cost of production.
Online since: December 2013
Authors: Vladimir Smirnov, Vladimir Mondrus
Fig. 4 RMS value of isolated mass m oscillation velocity versus damping ratio ξ and eigenfrequencyω0 Using data from Fig. 4 it is possible to estimate parameter of the vibration isolation system at the design stage subjected to any input spectra and come up with measures to correct it.
Worldwide workshop conference “Problems and development strategies for energy saving and noise reduction in buildings and housing services”.Moscow – Budva, (2011). pp. 222 – 225
Online since: September 2013
Authors: Zhong Hua Kong, Zai Fei Luo, Li Gang Wu
Introduction In the field of pulse power, metallized film capacitors have gained wider and wider usage not only for the reduction of size and weight, but also for the high reliability by fully utilizing the self-healing feature of metallized dielectric.
Self-healing time is mean time which is based on experiment data.
Online since: January 2015
Authors: Alexander Wagner, Sergei Stuchebrov, Angelina Krasnykh, Irina Miloichikova
One of the dose reduction techniques is use of the pulsed X-ray source synchronized with the detecting part [2].
The obtained data show the advisability of using the proposed technique for radiation dose measurements of the pulsed X-ray source depending on the tasks and for future dosimetry measurements of the different types of the pulsed photon radiation sources.
Online since: January 2012
Authors: Mi Dan Li, Chun Mei Zhang, Yi Xiao Song, Tai Sun, Cai Chen, Tao Meng
Then it is easy to understand why the Clapper-Yule model is darker than the measured, because the short distance reflection shortens the distance inside the paper, so part of light reflected without the paper’s reduction.
We could find the new model at the specific color (0B4), which is more familiar with the data we have measured.
Online since: February 2015
Authors: E.M. Mahdi, Meor Yusoff Meor Sulaiman, Z.A. Siti Salwa, Sapiee Aqilah
It can be seen that sample with rutile formulation have the most effective formaldehyde neutralization with reduction to less than 10,000 ppb in one hour followed by biphasic samples and pure anatase sample with 20,000 ppb and 30,000 ppb respectively.
Summary From analysis and data obtained, it can be concluded that both anatase and rutile nanotitania are potential mediator for neutralization of formaldehyde.
Online since: February 2016
Authors: Lenka Melzerová, Michal Šejnoha, Pavel Klapálek
With gradual reduction of time interval we chose the hold period of 110 s.
w (mm) t (s) wi max wi min wi-1 max c a Fig. 3: Meaning of individual parameters Table 1: Resulting deflections at the center of the beam No. 3, recall Fig. 3 for their description i F [kN] wi max [mm] wi min [mm] wi max - wi-1 max [mm] wi max - wi min [mm] % 1 4 1.26 1.38 1.26 0.12 9 2 8 2.91 3.05 1.67 0.14 8 3 12 4.57 4.73 1.68 0.16 9 4 16 6.11 6.26 1.53 0.15 10 5 20 7.54 7.72 1.46 0.18 12 6 24 9.03 9.22 1.5 0.19 13 7 28 10.55 10.79 1.57 0.25 16 8 32 12.1 12.31 1.52 0.21 14 9 36 13.67 13.93 1.62 0.26 16 10 40 15.27 15.51 1.58 0.24 15 11 44 16.86 17.10 1.59 0.24 15 12 48 18.54 18.69 1.58 0.15 9 13 52 20.17 20.26 1.57 0.09 6 14 56 21.74 21.8 1.54 0.05 3 15 60 23.34 23.42 1.63 0.08 5 16 64 24.96 25.04 1.62 0.09 5 17 68 26.53 26.7 1.65 0.17 10 18 72 28.21 28.34 1.64 0.12 7 19 76 29.81 29.99 1.66 0.18 11 20 80 31.45 31.6 1.61 0.15 9 21 84 33.95 34.1 2.5 0.15 6 22 88 37.14 37.16 3.06 0.02 1 The next step was to compare the measured data with numerical simulations.
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