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Online since: April 2013
Authors: Moussa Karama, S. Mistou
The use of multi-layered composite materials in the confection of industrial pipe connections (elbows, reduction pipes, flanges etc.) is often put off because of the high cost of manufacture.
The captors as a whole are managed by a system of data acquisition.
The captors as a whole are managed by a system of data acquisition.
Online since: May 2012
Authors: Gang Cheng Wang, Wen Ming Xu, Chong Liu
Using GIS to digitize, statistic, overlay, merge, classify and spatial analysis the basis of geological data.
All the indicators of data can be gotten from digital topographic maps, remote sensing maps, rainfall, temperature and other isoline maps, also man-made statistics.
Using MAPGIS overlay analysis function, he disaster points for training and the evaluation factor single factor zone file were superimposed, then the file properties of the final disaster point contains all evaluation factors, and then the training data file (txt file) can be got using the property in the MPAGIS management module to import Disaster point attributes, and test data can also take using this method. the appropriate parameters and training data file path were input using The development of artificial neural network evaluation module and the date can be calculated.
The geological disaster harm division In the western region of the Himalayas Sample selection and inversion weights. 140 points was taken as the training data and 34 points was takes as the authentication data in 174 major geological disasters points in the region's, Also 80 training data and 20 validation data were selected in 100 deals in relatively secure areas.
These data can represent information of different assessment unit because These evenly distributed.
All the indicators of data can be gotten from digital topographic maps, remote sensing maps, rainfall, temperature and other isoline maps, also man-made statistics.
Using MAPGIS overlay analysis function, he disaster points for training and the evaluation factor single factor zone file were superimposed, then the file properties of the final disaster point contains all evaluation factors, and then the training data file (txt file) can be got using the property in the MPAGIS management module to import Disaster point attributes, and test data can also take using this method. the appropriate parameters and training data file path were input using The development of artificial neural network evaluation module and the date can be calculated.
The geological disaster harm division In the western region of the Himalayas Sample selection and inversion weights. 140 points was taken as the training data and 34 points was takes as the authentication data in 174 major geological disasters points in the region's, Also 80 training data and 20 validation data were selected in 100 deals in relatively secure areas.
These data can represent information of different assessment unit because These evenly distributed.
Online since: May 2012
Authors: Li Wei Sun, Yi Bo Yang
Energy saving and emission reduction.
First and foremost, vigorously promote energy saving and emission reduction by industry.
During the period of "The Eleventh Five-Year Plan", Beijing built the mechanism to collect and submit statistical data about energy consumption.
Beijing vigorously develops public transport and promotes energy-saving and emission reduction of transport.
l Establishment of assessment mechanism of energy-saving and emission reduction.
First and foremost, vigorously promote energy saving and emission reduction by industry.
During the period of "The Eleventh Five-Year Plan", Beijing built the mechanism to collect and submit statistical data about energy consumption.
Beijing vigorously develops public transport and promotes energy-saving and emission reduction of transport.
l Establishment of assessment mechanism of energy-saving and emission reduction.
Online since: November 2021
Authors: Mohammed Khattab, Samya Hachemi
Concretes containing 20% of RBA-1 show a reduction of density about 7%.
The reduction reached 6% at a replacement level of 100%.
Different best-fit equations to the experimental data were attempted and it was found that a polynomial relationship of the form: UPV=aP²+bP+c fitted best the results obtained with a correlation coefficient R²=0,968 for C1RBA1, R² = 0,952 for C1RBA2, R²= 0,951 for C2RBA1 and R²=0,981 for C2RBA2.
Up to 50% of RBA-1 substitution, the reduction of concrete density is below 10%, it achieves a maximum reduction of 18% for 100% substitution with RBA-1.
- RBA should be saturated before use to avoid the reduction of mixing water.
The reduction reached 6% at a replacement level of 100%.
Different best-fit equations to the experimental data were attempted and it was found that a polynomial relationship of the form: UPV=aP²+bP+c fitted best the results obtained with a correlation coefficient R²=0,968 for C1RBA1, R² = 0,952 for C1RBA2, R²= 0,951 for C2RBA1 and R²=0,981 for C2RBA2.
Up to 50% of RBA-1 substitution, the reduction of concrete density is below 10%, it achieves a maximum reduction of 18% for 100% substitution with RBA-1.
- RBA should be saturated before use to avoid the reduction of mixing water.
Online since: October 2018
Authors: Ch.V. Zhegera, Irina Sergeevna Pyshkina
The data of the analysis of mineralogical composition of the investigated additives are given, the influence of additives on the change in the plastic strength of the lime test and the content of free lime is revealed.
The interpretation of the X-ray diffraction patterns was carried out by comparing the interplanar distances and the intensity of the corresponding lines on the obtained X-ray diffraction patterns with the data for reference substances [10].
Additional evidence of the chemical interaction of modifying additives with lime is data on the change in the amount of chemically free lime (Fig. 3).
Thus, the introduction of synthesized additives into the formulation of lime mixtures leads to a reduction in the amount of free lime.
The interpretation of the X-ray diffraction patterns was carried out by comparing the interplanar distances and the intensity of the corresponding lines on the obtained X-ray diffraction patterns with the data for reference substances [10].
Additional evidence of the chemical interaction of modifying additives with lime is data on the change in the amount of chemically free lime (Fig. 3).
Thus, the introduction of synthesized additives into the formulation of lime mixtures leads to a reduction in the amount of free lime.
Online since: January 2012
Authors: A.K. Mukhopadhyay
Reductions in Fe, Si and Mn impurities in 7xxx series Al alloys have further proven beneficial in obtaining continuous hard anodizing coating thickness in an uninterrupted single step [17].
Reductions in the quenched-in stresses by stretching are not a viable process for the forgings.
Tables 12 & 13 represent the mechanical properties and SCC data of 7449 sheets and 7055 extrusions produced at the laboratory scale and subsequently heat treated to peak aged and RRA tempers [20,29,30].
Table 12 Mechanical properties and SCC data of 5 mm thick 7449 sheets Temper 0.2%PS (MPa) UTS (MPa) %EL EC (%IACS) K1SCC (MPa m1/2) T651-L 585-601 625-635 12-13 31.0 <18 T7751-L 565-575 598-602 10-11 36.3 23 Table 13 Tensile properties of 18 mm dia 7055 extrusions Temper 0.2%PS (MPa) UTS (MPa) %El %IACS T6 725 757 13 31.0 T77 (RRA) 683 697 11 36.5 T77 (RRA) 673 685 12 37.0 Influence of Micro and Trace Alloying Elements on the Microstructure and Properties of 7xxx Series Al Alloys Figure 13.
Recrystallization data, as partitioned from the EBSD images of the alloy tested at 475°C, 1.9 × 10-2s-1 after interrupting the tensile test at elongation values of (a) 40%, (b) 100%, (c) 200%, (d) 500%, and (e) 650%, respectively.
Reductions in the quenched-in stresses by stretching are not a viable process for the forgings.
Tables 12 & 13 represent the mechanical properties and SCC data of 7449 sheets and 7055 extrusions produced at the laboratory scale and subsequently heat treated to peak aged and RRA tempers [20,29,30].
Table 12 Mechanical properties and SCC data of 5 mm thick 7449 sheets Temper 0.2%PS (MPa) UTS (MPa) %EL EC (%IACS) K1SCC (MPa m1/2) T651-L 585-601 625-635 12-13 31.0 <18 T7751-L 565-575 598-602 10-11 36.3 23 Table 13 Tensile properties of 18 mm dia 7055 extrusions Temper 0.2%PS (MPa) UTS (MPa) %El %IACS T6 725 757 13 31.0 T77 (RRA) 683 697 11 36.5 T77 (RRA) 673 685 12 37.0 Influence of Micro and Trace Alloying Elements on the Microstructure and Properties of 7xxx Series Al Alloys Figure 13.
Recrystallization data, as partitioned from the EBSD images of the alloy tested at 475°C, 1.9 × 10-2s-1 after interrupting the tensile test at elongation values of (a) 40%, (b) 100%, (c) 200%, (d) 500%, and (e) 650%, respectively.
Online since: August 2013
Authors: Hua Wang, Jian Xin Xu, Xiu Li Sang, Yu Zhen Su, Han Jie Xiao
Chau et al.[4] is an attempt to seek a relatively optimal data-driven model for rainfall forecasting from three aspects: model inputs(seven input techniques), modeling methods (MANN, ANN, K-NN, LR), and data-preprocessing techniques(MA, PCA, SSA).
Four rain data records from different regions, namely two monthly and two daily series, are examined.
Therefore, the source of the data in this paper is reliable and the data information is true.
In the present study, the data is normalized to use the following normalization equation: where x is the original data value, xmax is the maximum value, xmin is the minimum value and xn is the normalized value of the data.
At the same time, it normalizes and reverses the normalized rainfall data by mapminmax function, and takes the rainfall data of nine years from 2001 to 2009 as learning samples.
Four rain data records from different regions, namely two monthly and two daily series, are examined.
Therefore, the source of the data in this paper is reliable and the data information is true.
In the present study, the data is normalized to use the following normalization equation: where x is the original data value, xmax is the maximum value, xmin is the minimum value and xn is the normalized value of the data.
At the same time, it normalizes and reverses the normalized rainfall data by mapminmax function, and takes the rainfall data of nine years from 2001 to 2009 as learning samples.
Online since: June 2014
Authors: Min Fan
f) the use of cloud computing provides data storage and complex business operations.
The device supports M1 encryption card consumption, and city bus card, will send the consumer credit card data to intelligent service terminal, and finally transmitted to the data resource center.
The main functions of the software platform module partition: a) server: data communication, protocol analysis and data storage.
b) the client: parameter configuration, instruction issued, basic information management, the map operation, data acquisition, card management, user management, data management, statistical statements, audio and video management, vehicle monitoring, call service, data exchange and sharing.
To realize the safety and reliability of the data transmission in real time using the GPRS network, the use of PC Oracle database technology, management and advanced treatment of data.
The device supports M1 encryption card consumption, and city bus card, will send the consumer credit card data to intelligent service terminal, and finally transmitted to the data resource center.
The main functions of the software platform module partition: a) server: data communication, protocol analysis and data storage.
b) the client: parameter configuration, instruction issued, basic information management, the map operation, data acquisition, card management, user management, data management, statistical statements, audio and video management, vehicle monitoring, call service, data exchange and sharing.
To realize the safety and reliability of the data transmission in real time using the GPRS network, the use of PC Oracle database technology, management and advanced treatment of data.
The Analysis of Vegetation Phenology and Climate Change in the North-South Transect of Eastern China
Online since: August 2014
Authors: Shi Rong Liu, Zhi Wang
Therefore, the author developed a ‘bottom-up’ method for first determining the phenological growing season at sample stations, and based on NOAA/AVVHRR, meteorological data, ground phonology observation data, vegetation category data, and so on.
B Data sources and processing Using data from the U.S.
The spatial resolution of the data is 8 km × 8 km, the time resolution is ten days, the group of data time span are fron January 1982 –December 2003.
Vegetation phenology measured data obtained from the meteorological stations in the plant phenology observations.
Reduction in spring rainfall in most parts of the Long River Basin precipitation to decrease the maximum (-7.8 ~ -3.0 mm/10 a).
B Data sources and processing Using data from the U.S.
The spatial resolution of the data is 8 km × 8 km, the time resolution is ten days, the group of data time span are fron January 1982 –December 2003.
Vegetation phenology measured data obtained from the meteorological stations in the plant phenology observations.
Reduction in spring rainfall in most parts of the Long River Basin precipitation to decrease the maximum (-7.8 ~ -3.0 mm/10 a).
Online since: February 2012
Authors: Lian Xu Wang, Da Wei Qu, Chang Qing Song, Ye Tian
Comparison of experimental data and simulation data is shown in Table 3.
Comparison of experimental data and simulation data Rotate speed /[rpm] Data resource Torque /[N·m] Intake most flow /[kg/h] Intake gas pressure /[kPa] BSFC /[g/kw·h] Pressure rario /[-] 2400 Experiment 239.6 247 212.7 205.1 2.108 Simulation 242.2 260.4 208.8 202.9 2.100 1000 Experiment 140.5 64 117.8 243.8 1.175 Simulation 141.0 61 114.6 234.7 1.136 4000 Experiment 192.8 440 225.8 254.9 2.238 Simulation 206.8 439.7 233.4 232.7 2.378 Optimizing The Compression Ratio Firstly it’s noted that all the operation conditions we simulated are full-load in this paper.
Finally the overlap angle is determined as 35 degrees namely that IVO is 12 degrees and EVC is 23 degrees by comparing experimental data at 35 degrees and 25 degrees overlap angle.
The research includes as follows: Combustion parameters about single Vibe model are calculated by BURN function according to the advance experimental data.
And then the simulation data is validated by comparing to the test data.
Comparison of experimental data and simulation data Rotate speed /[rpm] Data resource Torque /[N·m] Intake most flow /[kg/h] Intake gas pressure /[kPa] BSFC /[g/kw·h] Pressure rario /[-] 2400 Experiment 239.6 247 212.7 205.1 2.108 Simulation 242.2 260.4 208.8 202.9 2.100 1000 Experiment 140.5 64 117.8 243.8 1.175 Simulation 141.0 61 114.6 234.7 1.136 4000 Experiment 192.8 440 225.8 254.9 2.238 Simulation 206.8 439.7 233.4 232.7 2.378 Optimizing The Compression Ratio Firstly it’s noted that all the operation conditions we simulated are full-load in this paper.
Finally the overlap angle is determined as 35 degrees namely that IVO is 12 degrees and EVC is 23 degrees by comparing experimental data at 35 degrees and 25 degrees overlap angle.
The research includes as follows: Combustion parameters about single Vibe model are calculated by BURN function according to the advance experimental data.
And then the simulation data is validated by comparing to the test data.