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Online since: December 2010
Authors: Matthias Göken, Heinz Werner Höppel, Christian W. Schmidt, Catharina Knieke, Verena Maier, Wolfgang Peukert
The presence of particles on the surfaces lead to a reduction of the actual metal to metal contact area during roll bonding, hindering the native metal surfaces to come into direct contact and to join by cold welding.
The rolling conditions include thickness reduction, diameter of the rolls, rolling load, speed and temperature.
Here rolling and surface conditions were kept equal for all samples applying a nominal thickness reduction of 50 % and acetone cleaning and scratch brushing for surface treatment.
A dependence on particle material and diameter cannot be identified from the available data.
Summary It was shown that nanoparticle insertion in accumulative roll bonded materials reduces bond strength by an effective reduction of the metal to metal bonding area during the formation of a cold weld.
The rolling conditions include thickness reduction, diameter of the rolls, rolling load, speed and temperature.
Here rolling and surface conditions were kept equal for all samples applying a nominal thickness reduction of 50 % and acetone cleaning and scratch brushing for surface treatment.
A dependence on particle material and diameter cannot be identified from the available data.
Summary It was shown that nanoparticle insertion in accumulative roll bonded materials reduces bond strength by an effective reduction of the metal to metal bonding area during the formation of a cold weld.
Online since: March 2015
Authors: Xiao Li Lu, Xiao Nan Qin, Feng Ping Shan, Chun You Wu
The risk analysis of ecological environment healthy is limited by multi-factors, high dimensional data, small samples and incomplete information.
Step1:Data preprocessing: It selects the n groups of index elements, each of which have m dimensions.
The data of and are normalized in order to calculate the dimensionless value of each element.
(1) (2) Step 3: the risk grade value of the risk threshold: This paper analyzes the map relationship between the one-dimensional projection value of the risk threshold and the risk grade via the data fitting between the two matrixes and .according the research of the data fitting, it builds the function of risk grade value of the risk threshold: .And then, the one-dimensional projection value of the actual data is substituted in to the function armed to calculate the risk grade value of the actual data of each study object .
A projection pursuit algorithm for exploratory data analysis.
Step1:Data preprocessing: It selects the n groups of index elements, each of which have m dimensions.
The data of and are normalized in order to calculate the dimensionless value of each element.
(1) (2) Step 3: the risk grade value of the risk threshold: This paper analyzes the map relationship between the one-dimensional projection value of the risk threshold and the risk grade via the data fitting between the two matrixes and .according the research of the data fitting, it builds the function of risk grade value of the risk threshold: .And then, the one-dimensional projection value of the actual data is substituted in to the function armed to calculate the risk grade value of the actual data of each study object .
A projection pursuit algorithm for exploratory data analysis.
Online since: October 2013
Authors: Robert Falster, Vladimir V. Voronkov
Numerous experimental data on LID phenomena have been collected, but often these data seem to be controversial.
Most reported data refer to a relatively low injection level, normally n/p0 = 0.1.
More data on LID dependence on p0 and [B] Fig.2 Re-plotted data on the saturated effective concentration Rsat of SRC in Si samples co-doped with B, P and Ga (after ref. [13]).
Recently an extended data set on LID in various materials co-doped with B, Ga and P was presented [13].
We now re-plot these data using the reported Rsat values [13] normalized by [B] [O]2 combination.
Most reported data refer to a relatively low injection level, normally n/p0 = 0.1.
More data on LID dependence on p0 and [B] Fig.2 Re-plotted data on the saturated effective concentration Rsat of SRC in Si samples co-doped with B, P and Ga (after ref. [13]).
Recently an extended data set on LID in various materials co-doped with B, Ga and P was presented [13].
We now re-plot these data using the reported Rsat values [13] normalized by [B] [O]2 combination.
Online since: March 2024
Authors: Muzakkir Mohammad Zainol, Abdull Hafidz Hassan, Siti Norazian Ismail, Mohd Asmadi, Kamarul Ridwan Zainuddin, Norazah Abd Rahman
The reduction peaks can be observed for O-H, C=O, S=O, and S-O groups.
The peak intensity reduction occurred because the IR absorption band related to the SO3H molecule was reduced.
The reduction of these elements (wt. %) were observed when higher temperature applied for longan fruit peel carbon preparation which reflect peaks intensity reduction of LCS-500-1 and LCS-500-2 [12].
The esterification reaction was conducted to ensure the validity of the data obtained.
Referring to Hassan et al. [8], the reduction of acidity led to a decrease in EL yield.
The peak intensity reduction occurred because the IR absorption band related to the SO3H molecule was reduced.
The reduction of these elements (wt. %) were observed when higher temperature applied for longan fruit peel carbon preparation which reflect peaks intensity reduction of LCS-500-1 and LCS-500-2 [12].
The esterification reaction was conducted to ensure the validity of the data obtained.
Referring to Hassan et al. [8], the reduction of acidity led to a decrease in EL yield.
Online since: June 2014
Authors: Guang Qing Huang, Hong Fu Fan, Chao Wu
This paper makes some analysis and discussion according to the V.A.SuLin’s theory using the data of some oilfield water samples.
Table 1 SuLin’s theory standard of oilfield water equivalent ratio cause coefficient water type environmental characteristics NaHCO3 reduction oxidation, mostly wet freshwater lacustrine sedimentary facies, good sign of oil gas, pH> 8, alkaline water.
CaCl2 closed reduction type, completely closed deep geological environment, a sign for good oil and gas, alternative groundwater and surface completely isolated without water.
Application and Analysis Select 6 water samples from Qianshan Archaeozoic reservoir as the test data to make application and analysis with the SuLin’s theory.
Data of number 1 to 5 comes from the same well and number 6 comes from another one.
Table 1 SuLin’s theory standard of oilfield water equivalent ratio cause coefficient water type environmental characteristics NaHCO3 reduction oxidation, mostly wet freshwater lacustrine sedimentary facies, good sign of oil gas, pH> 8, alkaline water.
CaCl2 closed reduction type, completely closed deep geological environment, a sign for good oil and gas, alternative groundwater and surface completely isolated without water.
Application and Analysis Select 6 water samples from Qianshan Archaeozoic reservoir as the test data to make application and analysis with the SuLin’s theory.
Data of number 1 to 5 comes from the same well and number 6 comes from another one.
Online since: June 2004
Authors: S.P. Wilks, W.Y. Lee, K.S. Teng
Citation &
Copyright (to be inserted by the publisher )
In-situ Investigation of Carbon Reduction at Ni/4H-SiC Interface Using a
Silicon Interlayer
W.
To deconvolute the raw XPS data, the core level spectra obtained were curve fitted using a least chi-square approach as discussed by Briggs and Seah [5].
This can be translated as a reduction in barrier height of the contact.
Si Overall Fit Original Data 29Å Ni 21Å Ni 13Å Ni 5Å Ni 1Å Ni 40Å Si Atomically clean surfaceBinding Energy (eV) Photoemission Intensity (arb. unit) Si 2p spectra 0 2 4 6 8 10 279 281 283 285 287 Tenary Silicide Free C B ulk C O verall Fit O riginal D ata 29Å N i 21Å N i 13Å N i 5Å N i 1Å N i 40Å S i A tom ically clean surface B inding E nergy (eV ) C 1s spectra 2 4 6 8 1 0 G ra p h ite F re e C B u lk C O v e ra ll F it O rig in a l D a ta 1 2 0 0 oC 1 0 0 0 o C 9 0 0 oC 7 0 0 oC 6 0 0 oC 5 0 0 oC C 1 s s p e c tra 2 4 6 8 1 0 N i S ilic ide B ulk S i D ep .
To deconvolute the raw XPS data, the core level spectra obtained were curve fitted using a least chi-square approach as discussed by Briggs and Seah [5].
This can be translated as a reduction in barrier height of the contact.
Si Overall Fit Original Data 29Å Ni 21Å Ni 13Å Ni 5Å Ni 1Å Ni 40Å Si Atomically clean surfaceBinding Energy (eV) Photoemission Intensity (arb. unit) Si 2p spectra 0 2 4 6 8 10 279 281 283 285 287 Tenary Silicide Free C B ulk C O verall Fit O riginal D ata 29Å N i 21Å N i 13Å N i 5Å N i 1Å N i 40Å S i A tom ically clean surface B inding E nergy (eV ) C 1s spectra 2 4 6 8 1 0 G ra p h ite F re e C B u lk C O v e ra ll F it O rig in a l D a ta 1 2 0 0 oC 1 0 0 0 o C 9 0 0 oC 7 0 0 oC 6 0 0 oC 5 0 0 oC C 1 s s p e c tra 2 4 6 8 1 0 N i S ilic ide B ulk S i D ep .
Online since: January 2017
Authors: Nuhman Nuhman, Nurul Rosana, Viv Djanat Prasita
The data used in this study is a topographical map scale of 1: 25,000, satellite imagery and Google Map TM 1996, 2002, 2007, 2011, and 2014, as well as secondary data from relevant agencies.
The collection of data is to get the data used as the basis for simulation modeling.
Data obtained from the previous studies and agencies.
Each of these sub-models must be calibrated and validated in advance with the existing data.
This model can be used to predict the condition of the land area changes for the next 20-30 years because this model is based on the data 20 years ago.
The collection of data is to get the data used as the basis for simulation modeling.
Data obtained from the previous studies and agencies.
Each of these sub-models must be calibrated and validated in advance with the existing data.
This model can be used to predict the condition of the land area changes for the next 20-30 years because this model is based on the data 20 years ago.
Online since: February 2019
Authors: V.D. Galdina, N.S. Galdin
It is determined that at reduction of an index of a penetration and a rise of temperature of mixing strength of an asphaltic concrete increases.
It is established that optimum temperatures of hashing depends on an index of a penetration of bitumen and raise at its reduction.
Prescriptions and technologicals factors optimise by means of models of different types received on experimental data.
At reduction of an index of a penetration of strength of an asphaltic concrete at squeezing, tension and a tension in bending raise (Figure 1, a).
Optimal temperatures raise at reduction of an index of a penetration.
It is established that optimum temperatures of hashing depends on an index of a penetration of bitumen and raise at its reduction.
Prescriptions and technologicals factors optimise by means of models of different types received on experimental data.
At reduction of an index of a penetration of strength of an asphaltic concrete at squeezing, tension and a tension in bending raise (Figure 1, a).
Optimal temperatures raise at reduction of an index of a penetration.
Online since: July 2007
Authors: Katalin Gruiz, E. Vaszita, Z. Siki
The quantitative emission data for sub-sites or any selected
area were used for more precise ranking, for differentiation between point and diffuse
sources and also for the estimation of the metal load on the watershed.
By the elimination of any of the sources or by the reduction of their emission we can simulate the results of the remediation and predict its effect on the Toka-water.
The calculation of the Risk Quotient (RQ = PEC/PNEC = the ratio of the Predicted Environmental Concentration and the Predicted No Effect Concentration), predicting the contaminant concentration from measured data and comparing it to generic or site specific No Effect data, e.g. limit values or other environmental quality criteria.
From the results of the Soil Testing Triad, the most suitable remediation (risk reduction) method can be also selected and planned.
Reduction in the mobility of Cd and Zn was the most efficient with fly ashes A and B: 99-99,9 % in the water extract and 60-80 % in plant uptake.
By the elimination of any of the sources or by the reduction of their emission we can simulate the results of the remediation and predict its effect on the Toka-water.
The calculation of the Risk Quotient (RQ = PEC/PNEC = the ratio of the Predicted Environmental Concentration and the Predicted No Effect Concentration), predicting the contaminant concentration from measured data and comparing it to generic or site specific No Effect data, e.g. limit values or other environmental quality criteria.
From the results of the Soil Testing Triad, the most suitable remediation (risk reduction) method can be also selected and planned.
Reduction in the mobility of Cd and Zn was the most efficient with fly ashes A and B: 99-99,9 % in the water extract and 60-80 % in plant uptake.
Online since: October 2010
Authors: Han Chen, Wen Qiang Gong, Jian Hua Liu, Bin Sun
The
Table 1 The charge and discharge data of natural graphite in different electrolytes
Electrolyte
Initial cycle
2nd cycle
Charge capacity/
Discharge capacity/
Efficiency/
Charge capacity/
Discharge capacity/
Efficiency/
mAhg-1
mAhg-1
%
mAhg-1
mAhg-1
%
a
594.5
94.8
15.9
121.7
79.9
65.6
b
429.1
296.5
69.1
326.7
305.6
93.5
c
468.7
66.0
13.5
97.0
62.3
64.2
d
430.8
306.7
71.2
320.4
310.8
97.0
e
338.7
337.1
99.5
340.9
340.0
99.7
Fig. 2 The cyclic volammetric spectra of natural graphite in different electrolytes
(subscript 1 and 2 is the initial cycle and the second cycle, respectively.)
The above facts show that the reduction processes of EC-based electrolytes are very moderate and the irreversible capacities are small.
The areas of reduction peaks of type II approach to those of oxidation peaks.
The areas of reduction peak approach to that of oxidation peak.
The strength and areas of the reduction and oxidation peaks in the successive cycle are similar to those in the initial cycle.
The above facts show that the reduction processes of EC-based electrolytes are very moderate and the irreversible capacities are small.
The areas of reduction peaks of type II approach to those of oxidation peaks.
The areas of reduction peak approach to that of oxidation peak.
The strength and areas of the reduction and oxidation peaks in the successive cycle are similar to those in the initial cycle.