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Online since: September 2014
Authors: Dong Dong Qiu, Jian Cheng Yu, Yong Jiang Sun, Hua Song Jin, Xing Long Lu
Experience shows that the increase of Kn and reduction of τ n will make the system oscillation aggravate.
The two sets of data in the transfer machine can illustrate its feasibility.
Online since: August 2013
Authors: Wen Qiong Li, Fei Li, Hai Bin Liu
System development life cycle and basic risk Phase Basic risk Feasibility Misunderstanding of nature, chance or technology as well as the profit and cost of the problem itself Analysis The lack of understanding to the details of solution researching the problem and opportunity Design Misinterpretation the plan drafted in the analysis phase, or wrongly, partly understanding question about information system design Implement Incomplete or uncompetitive work, or continuing errors happened in the analysis and design phase, inappropriate development tools or using these tools insufficiently Testing Inadequate test data, order or test plan Delivery Preparing for new system insufficiently The main risk level or type can cause different results in Table 1, which may be listed the results of risk in Table 2.
Buy/Promise Information system isolate Short of strategy of business objective Attend Business change Related losses Avoid changes Contingency planning Development Risk Assess and plan Violence and distrust Skill of project management Project management Staffs turnover Study and delay Staffs satisfaction Staff management Development tools Redo Budget and research Substitute Organization Risk Technical competence Quality reduction Human resources plan Outsourcing, recruit, train Technical platform Instability Technical perspective Match Technical life cycle Business advantage weaken Institutional infrastructure Delay and research Orders of information system risk management Information system risk management is a challenging work, because it requires preparing adequately in organization.
Online since: October 2016
Authors: Tadachika Nakayama, Koichi Niihara, Maria Guadalupe del Rocio Herrera Salazar, Hiroyuki Akiyama, Hisayuki Suematsu
TG-DTA data of TEOS and photoresist mix.
[8] Yao-Yu Cao, Nobuyuki Takemasu, Takuo Tanaka, “3D Metallic Nanostructure fabrication by surfactant-Assisted Multipoton-Induced Reduction”, small 2009, 5, no. 10, 1144-1148.
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: May 2011
Authors: Wai Wai Seh, Ahmad Beng Hong Kueh, Tan Cher Siang, Poi Ngian Shek, M.Md. Tahir
The materials offer better combination of strength and modulus in addition to excellent fatigue strength-weight ratios, fatigue damage tolerances, weight reduction, tailorable properties, and good corrosion resistance.
The Methodology Generally, the computation of the data points for the carpet plot is represented by the flow chart as shown in Fig. 1.
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.
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