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Online since: November 2005
Authors: Jae Hoon Kim, Hu Shik Kim, Byoung Jun Park, Duck Hoi Kim
UT C-Scan is used to determine the impact damage characteristics and CAI tests are carried out to evaluate quantitatively the reduction of compressive strength by impact loading.
UT C-scan is used to determine impact damage characteristics and CAI tests are carried out to evaluate quantitatively the reduction of compressive strength by impact loading.
Impact tests for as-received and aged specimens were conducted using a Dynatup Model 8250 drop tester with an instrumented impact test data system.
The trend that an increasing rate of maximum load is reduced with the increases of impact energy means that stiffness reduction due to damage occurrence is induced.
A strength reduction of about 50% was measured in this region.
Online since: September 2013
Authors: Yu Long Jing, Xiao Ping Han, Yan Wei Liu
Experimental observation Climate data.
Groundwater table was recorded by SEBA hydrometric data logger MDS-Dipper.
Crop data.
Water and salinity stress can be multiplied to derive the total reduction.
In Table 2, simulate values are tallies with the observed data, and has high precision.
Online since: January 2014
Authors: Lian De Zhong, Chang Cheng Li, Xin Xin, Tao Wen, Chun Jiang Che
From this perspective, the expressway toll data and the vehicle inspection devices data are complementary.
Data Resource The data used in this study are obtained from the toll data of in Gansu Province of China.
The data range is vehicle data of 24 hours from May to August in the year 2010.
Step Two: Screening Vehicle Data.
On the other hand, raw toll data includes passenger-car data and lorry data.
Online since: August 2013
Authors: Zhao Shun Wang, Shubra Deb Das, Mary Cindy Ah Kioon
Security Analysis of MD5 algorithm in Password Storage Mary Cindy Ah Kioon, ZhaoShun Wang, Shubra Deb Das School of Computer and Communication Engineering,University of Science and Technology (USTB), Beijing,Beijing 100083, China email: cindyak86@gmail.com , zhswang@sohu.com and shubra_ustb@yahoo.com Keywords: component; MD5; Password Storage Security; Data Security; Dictionary attacks; Rainbow Tables Abstract.
Rainbow tables differ from hash tables in that they are created using both reduction and hash functions.
Reduction functions convert a hash value to a plaintext.
By alternating the hash function with the reduction function, chains of alternating passwords and hash values are formed. 
Conclusion Password storage security is one important aspect of data security as most systems nowadays require an authentication method using passwords.
Online since: November 2012
Authors: Jian Zhang, Lun Nong Tan
Our data show a new method for wind speed forecasting and the reduction of auxiliary service costs of wind farms.
It can analyze the provided input and output data and grasp the law of these data.
Then we can get the result by new corresponding input data.
Thus, we choose and as input data and predict the .
Research objects and data.
Online since: October 2013
Authors: Cecília Sosa Arias Peixoto, Luiz Teruo Kawamoto Júnior, Georgea Duarte, Jones Erni Schmitz, Cesar Xavier, André Ribeiro Lins de Albuquerque
The partner plant of this project has an automation structure that allowed the access to its database by a server in which are stored all the data derived from the instrumentation installed in the distillation apparatus.
It must be pointed that digital control systems operate with data collected regularly after a certain time interval, called sampling interval (∆t) and all the other temporal parameters are multiples of this value
In addition, the data must be rearranged according to the number of unary delays of the inputs, called regressors number (Nr), and for the outputs, called number of estimators (Ne).
(9) The use of the model for predictions, after the training, also requires the data to be organized according to the Eq. 8.
The data required for process identification and validation of models were collected on June 16th, 2009 according to the sampling time of 1 s.
Online since: October 2013
Authors: Cong Xin Chen, Yi Chao Zhou, Xiu Min Liu
Slightly weathered dolomite limestone Intermediary weathered dolomite limestone Tunnel-type anchorage Pile foundation of bridge Fig. 1 The geological section of the bearing slope According to the geological investigation and borehole data, there is a group of dominant joint plane whose average occurrence is 308°∠85°.
Although the plastic zone will develop further with increasing reduction degree of rock and soil’s shear strength, it won’t necessarily become connected from toe to top.
Therefore, when performing the stability analysis of slope with strength reduction method, connected plastic zone of critical part can be the failure criterion of slope, and taking the displacement or stress distribution of potential sliding mass into account, the reduction coefficient is the right safety coefficient
Initial reduction coefficient is 1.0 and then increases bit by bit.
Study on slope failure criterion in strength reduction finite element method.
Online since: June 2014
Authors: Xian Wei Liu, Xing Ma, Yong Hong Ma
Based on the theory of Rong-Jie State of generalized virtual economy and took Sino-Singapore Tianjin Eco-City as an example, this paper discussed and analyzed the value realization of Tianjin Eco-City based on the detailed data of construction goals and achievements.
Compared with the traditional industrial modes, the low-carbon modes in eco-cities could reduce the costs to a large extent, for instance, the utilization of new energy, the reuse of waste and scrap and the reduction of human resource costs.
According to Wu and his colleagues’ calculation, the emission reductions of CO2 of green buildings in Eco-City would reach 528 thousand tons and the value of the emission reductions of CO2 would be about 35 million Yuan [7].
With these new energy, the emission reductions of CO2 of the whole Eco-City could reach 3.3 thousand tons, and the value of emission reductions would be about 0.22 million Yuan per year.
Online since: October 2017
Authors: Syed H. Masood, Igor Sbarski, Ashish M. Ashok, Syed H. Riza
Materials and mechanical properties of SLM manufactured 17-4 PH steel parts have been investigated by many researchers [6, 7] but there is a need of obtaining reliable low-temperature toughness data for these materials.
These values are quite inferior to the reductions observed for wrought steels like the data presented in a recent investigation by Chen et al [11] during a series of impact tests conducted on S30403 (similar to AISI 304) austenitic stainless steel at 20, -196 and -269°C.
Microhardness data of the Charpy impact tested 17-4 PH stainless steel samples The microhardness values indicate that the material was able to retain its strength after fracture, thus illustrating the integrity and strength of SLM generated structure.
The general tendency observed at all the temperatures is a slight reduction of hardness in the vicinity of fractured region.
The value of impact strength was inferior to the wrought alloys and followed the trend of losing toughness with reduction of temperatures.
Online since: June 2004
Authors: R.C. Glass, H. McD. Hobgood, Jason R. Jenny, Stephan G. Müller, M.F. Brady, Calvin H. Carter Jr., R.T. Leonard, Valeri F. Tsvetkov, Adrian R. Powell, D.P. Malta, M.R. Calus
R&D and manufacturing efforts continue to address issues of scale-up of wafer size, improvements in wafer shape and surface characteristics, reduction of background impurities in bulk crystals, controlled uniformity of electrical properties, and reduction and control of crystalline defects.
Significant improvement in bulk crystal purity has been achieved with reduction of impurity concentrations below 5 x 10 15cm-3.
*Spline fits to data are shown 10 100 1997 1998 1999 2000 2001 2002 200 5 50 20 Average Micropipe Density cm-2 Year 35mm 2-inch 3-inch 100 mm 2003 = R&D Best Results Curves <--> Production Data Fig. 2.
Curves correspond to production data.
Current efforts to control nitrogen in seeded sublimation growth have culminated in dramatic reductions of incorporated nitrogen.
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