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Online since: February 2008
Authors: Cheng Hsing Hsu, Hsin Han Tung, Chun Hung Lai, Man Hsiang Chung
Fig. 1 XRD patterns of CeO2 ceramics at different sintering temperatures with 1 wt% ZnO addition Table I EDS data of grain boundaries of CeO2 specimens with various ZnO additions.
Table I shows the EDS data of grain boundaries of ZnO-doped CeO2 specimen at different sintering temperatures.
Due to not only the observed grains of CeO2 ceramics with 1 wt% ZnO addition being more uniform than those of others but also a revealed reduction in lattice imperfection and dielectric loss, the decrease in the Q×f values for highly ZnO-doped CeO2 ceramics could be a result of the grain morphology as well as the low Q×f of the liquid phase.
A large sintering temperature reduction (100-200 o C) can be achieved by adding ZnO to the CeO2 ceramics.
Online since: November 2012
Authors: Lian Yong Wang, Jiu Ju Cai, Jing Fan Zhang, Lei Dai
This technology not only removes outer heat source used in the traditional Roasting technology, but also increases the concentration of SO2 in flue gas, so it can provide technical support for the energy conservation and emission reduction of molybdenum concentrate roasting.
From the calculation of heat balance, the data of 1# rotary furnace of China Molybdenum Co., Ltd. can be achieved: the actual recovery rate is 96%, the fuel consumption is 93.75kg/h, the fuel consumption of unit product is 275kgce/ton, heat of flue gas and heat dissipation of surface accounts for 56% and 33.3% respectively, of total heat consumption, which means that most of heat is carried away by the two items.
The increase of SO2 concentration in roasting flue gas will be beneficial for the producing sulfuric acid and Na2SO3, and the cost reduction of flue gas treatment
Compared with the data before renovation, heat loss of flue gas is cut in almost half and heat dissipation of surface is greatly reduced, which are attributed to the decrease of flue gas volume and the installation of heat exchanger, respectively.
Online since: February 2016
Authors: Tatyana Plotnikova, Galina Chernysheva, Vera Smol'yakova, Aleksandr Kuchin, Irina Chukicheva, Mark Plotnikov, Pyotr P. Shchetinin
Verification of the ligation accuracy and the adequacy of the model was monitored based on the degree of height variation of ST-segment in the ECG data.
Statistical analysis of the data was performed using standard functions of the statistical software package “Statistica 10”.
The reduction in pathological changes in heart rhythm and decreased number of rats with the most severe type of arrhythmia (ventricular fibrillation) has resulted into a decrease in the mortality of animals protected with dibornol in the reperfusion period.
The reduction of mortality in animals protected by dibornol was due to its antiarrhythmic effect that manifests itself mainly in the reperfusion period.
Online since: October 2015
Authors: Gang Zhao, Yang Ge, Ling Li Li, Zhuang Zhi Sun
The silver-based IPMC materials are prepared by the method of the oxidation reduction.
Through above operated processes, the silver-based IPMC materials were gained, and the preparing reaction equation of the oxidation reduction method was shown in equation (1). 2Ag(NH3)2OH+C6H12O6→2Ag+C6H11O7NH4+3NH3+H2O (1) Figure 1 Preparation processing of IPMC materials Fabrication of muscle like linear actuator In this experiment, a segmented IPMC strip structure was created by conducting to handle IPMC surface electrode(see Figure 2).
In order to store data conveniently, the DAQ devices were designed, whose one end was connected with a sensor for receiving the external physical signals, and the other end was connected to a computer by a data line.
Online since: July 2013
Authors: Massimiliano Bestetti, Anna da Forno, Carmine Genoni
The most significant advantage of the semi-solid casting process is the possibility to have a laminar flow of the metal during the filling of the mold as a consequence of a higher viscosity of the semi-solid material and a reduction of air entrapment usually occurring during a die-casting process.
Electrochemical corrosion data for AM60 and AZ91 alloys in ASTM D1384-87 solution saturated with Mg(OH)2, pH 10.6.
Sample EOCP (1 h) [VSCE] Ecorr [VSCE] icorr [A cm-2] AM60 HPDC -1.34 -1.43 2∙10-6 AM60 R-HPDC -1.38 -1.37 7∙10-7 AM60 HPDC anodized -1.33 -1.34 8∙10-8 AM60 R-HPDC anodized -1.25 -1.20 2∙10-7 AZ91 HPDC -1.32 -1.40 5∙10-6 AZ91 R-HPDC -1.37 -1.33 4∙10-6 AZ91 HPDC anodized -1.36 -1.31 2∙10-7 AZ91 R-HPDC anodized -1.26 -1.34 8∙10-8 Electrochemical corrosion data are related in Table 1.
For both samples anodizing reduces the corrosion rates one order of magnitude, with a larger reduction for HPDC.
Online since: July 2006
Authors: Jean Yves Buffière, R. Mokso, Wolfgang Ludwig, Éric Maire, P. Cloetens
This reduction is mainly due to the improvement of the efficiency of the monochromators and to the reduction of the read out time of the cameras.
This partial angular sampling increases the difficulty of the reconstruction of the data for which algorithms more sophisticated than in the case of X-ray tomography have to be used.
Computer visualization of threedimensional image data using IMOD.
Online since: September 2013
Authors: Ji Gan Wang, Yong Chen, Ting Li, Shu Shu Huang
The mature experience and related data were not available in our country.
As for the lowest price, P2, theoretically, the pricing of carbon emission rights should not be less than unit cost of energy-saving and emission reduction.
And according to relevant data, the average cost is about 124 RMB per tons of carbon dioxide[9], which was taken as the lowest price P2.
[9] Yi Tu, in: Emission Reduction Projects in China Activate Global Carbon Trading Market, Beijing, China Securities Journal(2012), in press.
Online since: December 2012
Authors: Jian Hua Zhang, Sheng Li Li, Qing Ao, Xin De Zhu
On both DSC curves there are exothermic effects at about 150 °C, which is corresponding to obvious weight loss of TG curves, as a result of the intensive oxidation-reduction reaction between metal nitrates and organic solvent, with a release of some gases.
The citrate is an intensive reducing agent and the oxidation-reduction reaction is occurred after metal nitrates complex with citric acid.
This is disagreed with some literature data [9-13].
But our results disagree with aforementioned literature data and the Ca content in the La1-xCaxCrO3 phase is little, about a little <0.2.
Online since: September 2013
Authors: Pavel Raska, Ulrych Zdenek
Search space reduction (using constraints specification) leads to faster finding of the optimal configuration (values of simulation model input variables).
The method uses four basic phases – Reflection, Expansion, Contraction and Reduction [6].
The saved data contains information about setting the optimization method (parameters setting), the specified number of the simulation experiments in one series, the found objective function values, the number of experiments required to find the global or local optimum, and specified constraints.
Series (concrete opt. method setting) Optimization Method Setting Number Objective Function Value First Optimization Experiment Last Optimization Experiment Fig. 1 Example of Results from Simulation Optimization Experiments Provided By Evolution Strategy – The Assembly Line Simulation Model Due to the large volume of data we have to propose five evaluation techniques (criteria) which express the success of the optimization method in different ways.
Online since: September 2013
Authors: Yu Hong Liu, Kai Xu
eventually to slot inside tank wall, this is because the slot inside the breast wall of mud hydrostatic pressure less than the lateral static soil pressure of the soil, into the groove excavation stage had obvious lateral unloading groove wall effect Second, artesian head buried depth changes, groove wall horizontal deformation position basic did not change, the biggest is concentrated in the 34 m depth, the depth is close to the center of the medium sand layer which showed that the level of maximum deformation position have no direct relation with the artesian head buried depth, and related with the confined aquifer thickness In addition, in the case of head embedded depth of 12 meters, level of tank wall deformation is 30.8 mm; Head cases, 8 meters depth of the groove wall horizontal deformation is 41.4 mm; Head case, 4 meters depth of the groove wall horizontal deformation is 64.5 mm; Head buried depth is 1 meter case, slurry wall horizontal maximum deformation is 101.7 mm, from the above data
And it shows that the appropriate reduction of the groove width can increase the stability of the groove.
Fig.8 Principal stress tensors and horizontal soil arching(z=-10m) Conclusions Combined with engineering of Hangzhou metro station, on the basis of field data, through the numerical simulation analysis, drawing the following conclusions: Firstly, there no great relationship between the location of groove wall horizontal maximum deformation and confined water head.
Thirdly, the appropriate reduction of the groove width can increase the stability of the groove, and the width of the groove should be kept in 5 to 7 meters.
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