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Online since: April 2014
Authors: Ye Dong He, Xiao Xu Ma, Jun Guo Gao, Jun Qi Yao, Ren Chao
Also, it has been demonstrated that the oxidation and spallation resistance and the thermal insulation capability of such TBC can be improved with the increasing of number of layers of the bond coat.
The improved strength can be attributed to that the submirco-sized YAG particles can inhibit the grain growth of Al2O3 grains.
The improved strength can be attributed to that the submirco-sized YAG particles can inhibit the grain growth of Al2O3 grains.
Online since: February 2015
Authors: Ming Xue Zhang, Bai Ze Kai, Lei Zhou
Through the study of a large number of core, logging, and logging data, on the basis of previous research (Nantun Formation is divided into two period which are the first member of Nantun Formation and the second member of Nantun Formation), combined with the characteristics of the seismic, the sedimentary facies of Wunan sub depression is researched.
The fan delta plain with a plurality of coarse to medium grained positive cycle is dominated, with small amount of fine sand to mud deposit, in sandstone the bottom scour and trough cross bedding could be observed usually.
The fan delta plain with a plurality of coarse to medium grained positive cycle is dominated, with small amount of fine sand to mud deposit, in sandstone the bottom scour and trough cross bedding could be observed usually.
Online since: August 2021
Authors: Josef Fladr, Alena Kohoutková, Roman Chylík, Hana Schreiberova, Tomáš Trtík
A large number of the conducted studies have been carried out on artificially cracked specimens, and various methodologies of the controlled crack introduction were presented; however, no specific method was clearly preferred.
For this reason, in studies dealing with cracking-related topics, a large number of various methods of natural crack induction has been presented.
For the specimen preparation, the following materials were used: ordinary Portland cement CEM I 42.5 R (Závod Mokrá, Czech Republic) in a dosage 586 kg/m3, standard tap water with water to cement (w/c) ratio 0.5, fine aggregates with maximum grain size 1.0 mm (1319 kg/m3) and medium aggregates with maximum grain size 2.0 mm (440 kg/m3), both obtained from Provodínské písky a.s., Czech Republic.
For this reason, in studies dealing with cracking-related topics, a large number of various methods of natural crack induction has been presented.
For the specimen preparation, the following materials were used: ordinary Portland cement CEM I 42.5 R (Závod Mokrá, Czech Republic) in a dosage 586 kg/m3, standard tap water with water to cement (w/c) ratio 0.5, fine aggregates with maximum grain size 1.0 mm (1319 kg/m3) and medium aggregates with maximum grain size 2.0 mm (440 kg/m3), both obtained from Provodínské písky a.s., Czech Republic.
Online since: November 2011
Authors: Man Li, Jing Yu Tong, Yu Bai, Dong Bo Tian, Bin Wang, Zhi Hao Wang
When the grain size and shape distribution are affirmed, the particles of different classes can be mixed by mixing machine.
Focused Beam Reflectance Measurement (FBRM) instrument can be highly sensitive and accurate measurement of particle size and particle number changes.
With the number / length / distribution can range from the distribution of precipitation designated to improve resolution.
Vacuum chamber subsystem could simulate vacuum, high and low temperature range environment of the moon, with the deuterium lamp in it which used to provide the UV light source; The turntable subsystem with the simulated lunar dust is used to provide carrying mechanism for lunar rover wheel; simulated lunar dust manufacture subsystem could manufacture simulated lunar dust for rover wheel terramechanics test; test subsystem could test the velocity, electricity charge, size and number of the lunar dust partial.
Focused Beam Reflectance Measurement (FBRM) instrument can be highly sensitive and accurate measurement of particle size and particle number changes.
With the number / length / distribution can range from the distribution of precipitation designated to improve resolution.
Vacuum chamber subsystem could simulate vacuum, high and low temperature range environment of the moon, with the deuterium lamp in it which used to provide the UV light source; The turntable subsystem with the simulated lunar dust is used to provide carrying mechanism for lunar rover wheel; simulated lunar dust manufacture subsystem could manufacture simulated lunar dust for rover wheel terramechanics test; test subsystem could test the velocity, electricity charge, size and number of the lunar dust partial.
Online since: September 2014
Authors: Yan Hong Zhao, Hu Zhu Zhang
The number of each parallel mixture specimens was 13.
With the exception of lime and fly-ash stabilized coal gangue base, other pavement layer adopts the same material and thickness, and the surface layer adopts 5cm medium grained asphalt concrete.
Tab.8 Transverse crack observations of test road code number of crack average crack length/m average crack width /mm code number of crack average crack length/m average crack width /mm A1 6 5.89 4.95 A3 5 5.01 5.26 A2 5 4.76 4.15 A4 7 6.23 6.10 As can be seen from table 8, the results in transverse crack observations of test road are consistent with laboratory test results.
With the exception of lime and fly-ash stabilized coal gangue base, other pavement layer adopts the same material and thickness, and the surface layer adopts 5cm medium grained asphalt concrete.
Tab.8 Transverse crack observations of test road code number of crack average crack length/m average crack width /mm code number of crack average crack length/m average crack width /mm A1 6 5.89 4.95 A3 5 5.01 5.26 A2 5 4.76 4.15 A4 7 6.23 6.10 As can be seen from table 8, the results in transverse crack observations of test road are consistent with laboratory test results.
Online since: September 2013
Authors: Ting Huang, Wei Huang, Kun Song, Ming Jie Gao
Therefore, building the visualization display and analysis system, controlling the wind farm real-time running state and mining operation rules from a large number of historical data to specify the wind turbines operation strategy is of great significance.
The system stores fine-grained data of certain period, provides a part of query function and cleanses non-standard data, which gets ready for data warehouse/mart.
(iv) Unified configuration of the system security strategy Business integration platform can provide unified security strategy for the system, including allocation strategy of the online number of users, user waiting time, instance number in the component instance pool, user password and other security options, and can make configuration changes flexibly.
The system stores fine-grained data of certain period, provides a part of query function and cleanses non-standard data, which gets ready for data warehouse/mart.
(iv) Unified configuration of the system security strategy Business integration platform can provide unified security strategy for the system, including allocation strategy of the online number of users, user waiting time, instance number in the component instance pool, user password and other security options, and can make configuration changes flexibly.
Online since: January 2014
Authors: Lei Tang, Yong Zhang, Xiao Hui Ying
This message contains detailed information about the number of DPT, GPS message, sensor message and so on.
As the server knows the number of sensors hosted on each node, the DPT only needs to send the raw data obtained by the sensors, in the correct order.
Because of the increasing of the node number due to the addition of a satellite communication and rescue system.
[2] Kezhong Liu, Ji Xiong, A Fine-grained Localization Scheme Using A Mobile Beacon Node for Wireless Sensor Networks(expand)[J].Journal of Information Processing Systems, Vol.6, No.6, Sep 2010, pp:147-162
As the server knows the number of sensors hosted on each node, the DPT only needs to send the raw data obtained by the sensors, in the correct order.
Because of the increasing of the node number due to the addition of a satellite communication and rescue system.
[2] Kezhong Liu, Ji Xiong, A Fine-grained Localization Scheme Using A Mobile Beacon Node for Wireless Sensor Networks(expand)[J].Journal of Information Processing Systems, Vol.6, No.6, Sep 2010, pp:147-162
Online since: September 2009
Authors: Bing Suo Pan, Zhan Yang, Kai Hua Yang
Table 2 Experimental scheme of matrix formula of iron-based matrix with high phosphorus
Number
x1 x2 x3 x4 x5
Fe-P(B) WC 663Cu Ni-Co Mn-Ti etc.
1 0.53 0.14 0.18 0.09 0.06
2 0.48 0.19 0.18 0.10 0.05
3 0.40 0.16 0.25 0.12 0.07
4 0.36 0.20 0.23 0.11 0.10
5 0.32 0.26 0.20 0.10 0.12
6 0.31 0.16 0.30 0.12 0.11
7 0.30 0.29 0.27 0.09 0.06
8 0.29 0.18 0.20 0.22 0.11
9 0.28 0.20 0.27 0.21 0.05
10 0.25 0.24 0.23 0.19 0.08
11 0.24 0.27 0.31 0.09 0.10
12 0.23 0.16 0.22 0.21 0.17
13 0.23 0.30 0.20 0.17 0.10
14 0.22 0.18 0.29 0.21 0.09
15 0.21 0.33 0.26 0.15 0.05
16 0.19 0.42 0.20 0.13 0.06
Table 1 Content range of composition
Element Content range notes
Fe-P (B) (x1) 0.18≤x1≤0.54 Fe-P, Fe-B alloy added with iron powder
WC (x2) 0.14≤x2≤0.42
663-Cu (x3) 0.18≤x3≤0.32
Ni-Co (x4) 0.09≤x4≤0.22 The ratio of Ni to Co is 2 :1
Mn-Ti-Si etc.
Table 3 Testing results of matrix performances Testing number Hardness [HRB] Wear resistance [g] Testing number Hardness [HRB] Wear resistance [g] 1 110.96 0.10 9 97.38 0.15 2 112.82 0.09 10 95.08 0.20 3 107.08 0.12 11 99.63 0.21 4 105.47 0.13 12 96.80 0.15 5 104.97 0.11 13 98.71 0.14 6 100.16 0.14 14 98.32 0.16 7 102.72 0.16 15 97.10 0.17 8 96.47 0.19 16 93.10 0.24 Regression Analysis.
The rock formation which has strong abrasiveness is adamellite with biotite of medium-fine grain size, whose drillability is nine-grade.
Table 3 Testing results of matrix performances Testing number Hardness [HRB] Wear resistance [g] Testing number Hardness [HRB] Wear resistance [g] 1 110.96 0.10 9 97.38 0.15 2 112.82 0.09 10 95.08 0.20 3 107.08 0.12 11 99.63 0.21 4 105.47 0.13 12 96.80 0.15 5 104.97 0.11 13 98.71 0.14 6 100.16 0.14 14 98.32 0.16 7 102.72 0.16 15 97.10 0.17 8 96.47 0.19 16 93.10 0.24 Regression Analysis.
The rock formation which has strong abrasiveness is adamellite with biotite of medium-fine grain size, whose drillability is nine-grade.
Online since: December 2012
Authors: Gang Wu, Hai Wei Lu, Chen Jun Yang, Rui Ma, Dong Fei Zhang
And we can compare the two models in Table 1:
Table 1: The similarity between two models
Model
Status
Trigger Factor
Event
Sand Pile Model
Angle changing
Increase grains of sand
Sand pile collapse
CFF Model
System components be impacted
Inclement weather is continuing
System components are damaged
The components are damaged as the power law distribution characteristic in inclement weather.
(9) Where represents the failure probability of single component, is the number of components that can result in the loss of node load.
(10) Where represents the probability of the loss of node load, is the repairing time of faulty component, is the number of components that can result in the loss of node load.
(12) Where is the node load, is the probability of the loss of node load, is the number of the node load, is the power shutdown time of node load.
(9) Where represents the failure probability of single component, is the number of components that can result in the loss of node load.
(10) Where represents the probability of the loss of node load, is the repairing time of faulty component, is the number of components that can result in the loss of node load.
(12) Where is the node load, is the probability of the loss of node load, is the number of the node load, is the power shutdown time of node load.
Online since: July 2012
Authors: M.A. Abdel-Rahman, Emad A. Badawi, N.A. Kamel, Yahia A. Lotfy, Abdullah A. Refaey, M. El-Sayed
It is a number describing how much that sample resists the flow of electricity; resistivity is measured in units of ohm meters.
Comparisons are made between different two alloys. [8] The reason why resistivity increases with increasing temperature is that the number of imperfection in the atomic lattice structure increases with temperature and this hampers electron movement.
In time, these copper-rich compounds migrate to the metallic grain boundaries and they interfere with movement between slip-planes as load is applied to the material. 2.2 Quenching Process Cold water is the most common quenching medium.
Elastic deformation is a change in shape of a material at low stress that is recoverable after the stress is removed, but Plastic deformation involves the breaking of a limited number of atomic bonds by the movement of dislocations.
Comparisons are made between different two alloys. [8] The reason why resistivity increases with increasing temperature is that the number of imperfection in the atomic lattice structure increases with temperature and this hampers electron movement.
In time, these copper-rich compounds migrate to the metallic grain boundaries and they interfere with movement between slip-planes as load is applied to the material. 2.2 Quenching Process Cold water is the most common quenching medium.
Elastic deformation is a change in shape of a material at low stress that is recoverable after the stress is removed, but Plastic deformation involves the breaking of a limited number of atomic bonds by the movement of dislocations.