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Online since: November 2013
Authors: Lu Quan Ren, Qing Ping Liu, Kun Chen, Wen Lei Sun, Geng Hua Liao
However, there isn’t much data about the flight kinematics of silent owl.
MX infrared camera can capture motion data and provide real-time optical data with the other components.
The Fig.1 shows the experimental field, C1~C8 are infrared cameras, which capture the coordinate data of marks.
Fig. 1 Experimental field Before the data acquisition, the spherical markers with reflective properties were placed on key parts of wings.
Data processing and analysis software is Vicon Workstation (Vicon Motion System, United Kingdom).
Online since: August 2013
Authors: Jyh Dong Lin, Yung Lin Chen
We use HDM-4 to collect and analyze Guan-Xi region’s Highway No.3 network data, traffic characteristic and cost related information.
Collecting freeway data base: Through the Guan Si workers Service segment, written information and advanced detection instruments to collect basic pavement information of road network, traffic characteristics, vehicle analysis data and climate zone characteristics, and are according to the needs of the HDM-4database creation. 2.
HDM-4 Module and Framework of Analysis [1] HDM-4 analysis derived from the concept of the pavement life cycle analysis, and mode analysis must be carried out before the road traffic data collection and analysis.
The research data mainly comes from the construction of each section of the design and maintenance records over the years, pavement testing records over the years.
This study focuses on the deterioration mode, with the freeway the actual situation and the detection data of deterioration correction coefficient adjustment.
Online since: September 2018
Authors: Lezhinka T. Sozaeva
In connection with it, it is necessary to introduce new technological decisions, efficient pollution control facilities directed on reduction of emissions on the environment and human health.
According to the data of inventory of sources of emission on the given enterprise there are 64 heating houses distributed all over the town in which 208 boilers with the power up to 30 Gcal/hour operate.
Wind speeds were sorted from 0.5 m/sec. to the wind speed, excess frequency of which is 5% according to perennial data for the given location.
Meteorological characteristics and coefficients that determine conditions of dispersion of pollutants in the atmosphere in the region of location of enterprises were established according to publicly-published climatic data [4].
All heating houses belong to the third category for which the working-out of measures on emission reduction is not required.
Online since: September 2013
Authors: Jing Zhang, Hai Tao Yu, Min Qiang Hu, Qi Chen, Lei Huang
TABLE I Dinding Distribution of the Pmsplg TABLE II Data of the Pmsplg One-slot Unite.
Based on the analysis in section II above, the reduction of cogging force methods in this paper are proposed: The permanent magnet’ width and height, the length of air-gap and the ratio k, where k=Ws /τp.
Conclusion This paper presents an improved permanent magnet single-phase linear generator and a cogging force reduction method based on the optimization configuration of permanent magnet and slot.
Xiang, “Reduction force control of a linear eletrical generator for direct drive wave energy conversion”, IET Renew.
Xiang, “Reduction force control of a linear eletrical generator for direct drive wave energy conversion”, IET Renew.
Online since: June 2014
Authors: S.N. Rashid, N. Zulkifli, Aziz Abdul Faieza
Many studies have been conducted for data link communication [2-7].
Is ACARS and FANS-1A Just Another Data Link to the Controller.
Miami Controller-Pilot Data Link Communication Summary and Assessment.
Controller Pilot Data Link Communication (CPDLC) Build 1 Value Added Services.
Impact of Controller-Pilot Data Link Communications on Oceanic ATC Service.
Online since: February 2014
Authors: Qi Zhou, Li Xie, Chi Ji, Rui Wang
Both denitrification and DNRA could contribute to nitrate reduction and proportions of them were about 60% and 40% respectively at the tested condition of COD/NO3-Nof 50.
However, nitrate reduction pathway might favor dissimilatory nitrate to ammonia (DNRA) process under the conditions of high C/N ratio and fermentable substrate.
Analysis of varance (ANOVA) at 0.05 level was used to analyze the data.
The denitrification efficiency was about 60%, which implied that both denitrification and DNRA processes were contributable to the nitrate reduction.
Moreover, our results show that in the former system both denitrification and DNRA contributed to the nitrate reduction pathway.
Online since: April 2016
Authors: Meng Hee Lim, M. Dasuki Yusoff, M. Rabai Yahaya, Jamaludin Azman
Data Measurement and Experimental Procedure Vibration data measurement was acquired from two method; offline casing vibration measurement via single axis multipurpose accelerometer CTC AC102-1A 100mV/g connected to a portable vibration analyzer, CSI 2130.
Digital signal data processing setting at maximum interest frequency Fmax 2500Hz and 3200 resolution line in order to observe 1X-6X of VPF range.
Simultaneously, online shaft relative vibration data was collected via orthogonal X-Y proximity probe which hardwired to vibration monitoring Bently Nevada BN3500 module before connected to a diagnostic platform software, System 1® as shown in Fig. 3.
Online dynamic vibration data was triggered at synchronous data sampling to keyphasor shaft speed data.
Operating process parameter, suction pressure, discharge pressure and pump flow was acquired from plant installed sensing elements and transmitters which connected to Plant Distributed Control Scheme (DCS) for realtime data display and linked to historian data storage in Pi Process Book Software.
Online since: May 2022
Authors: Boonyanit Thaweboon, Sroisiri Thaweboon, Cherdkul Sopavanit
No significant biofilm reduction was observed in A. viscosus.
In addition, F. nucleatum was found to be more sensitive to vanillin since biofilm reduction started to be noticeable at low concentration (0.1% vanillin).
No significant biofilm reduction was observed in A. viscosus.
gingivalis 1.052+0.035 1.075+0.040 0.886+0.065* 0.643+0.017* F. nucleatum 0.815+0.011 0.794+0.012* 0.756+0.013* 0.560+0.008* A.viscosus 1.243+0.010 1.252+0.009 1.242+0.016 1.237+0.006 A.actinomycetemcomitans 1.412+0.021 1.423+0.018 1.023+0.039* 0.871+0.076* *significant difference from control at p-value <0.05 data expressed as mean + SD The percentages of biofilm reduced compared with controls were presented in Figure 1.
In our experiment, F. nucleatum was found to be more sensitive to vanillin since biofilm reduction started at low concentration.
Online since: March 2011
Authors: Man Yin Hu, Yi Jing Jin, Yu Sun, Xiu Hong Wang
Simulation of boiler full load The simulation is based on the existing data to set geometry model, through calculating Software setting the boundary conditions consistent with actual to conduct numerical calculation.
Fig. 2 the nephogram of vertical NOx mass fraction on catalyst layer under full load From the simulated data in the chart, the average of NOx mass fraction on catalyst layer under full load is 0.002414, with the denitration efficiency of 85.2%, more in line with the actual condition of 82%.
The concentration data of NH3 emission obtained by the software interception is 3.86mg/Nm3, and does not exceed the value of NH3 emissions allowed.
Simultaneously, the denitration efficiency will be increased correspondingly in the reactor, which is because when the gas volume reduces, NOx reduction will also reduce with it.
But note that when the boiler load is reduced, the reduction of flue gas temperature will affect the catalytic activity.
Online since: May 2012
Authors: Zhen Liu, Song Lin Tang, En Chuang Wang, Bin Liu, Chun Yan Dai
Renewable energy empirical analysis based on SE-DEA (1) Data acquisition and processing Data includes qualitative indexes and quantitative index.
The quantitative data is mainly obtained from this province’s survey by Tsinghua University.
The corresponding values expressed in table 2, data acquisition results in Table 3.
Data envelopment analysis: theory, methodology and application.
[5] Andersen P,Petersen N C.A procedure for ranking efficient untits in data envelopment analysis.Management Science.39(1993)1261-1264.
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