Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: November 2025
Authors: Artem Petryshchev, Mykhailo Motrych, Olena Sharovatova, Bohdan Tsymbal
However, the study lacked data on the reduction of complex oxide compounds that may be a part in technogenic raw materials.
At the same time, studies of the reduction of individual oxides in Mo-O-C [21, 22] and W-O-C [25, 26] systems determine the two-stage reduction.
The development of this study is possible in the direction of expanding the range of steel classes, the oxide waste of which will be involved in processing by the method of smelting reduction.The challenges in attempting to expand this research lie in the lack of sufficient experimental data.
Wei, Reduction of Fe and Ni in Fe–Ni–O systems.
Luo, Carbothermic Reduction of MoO3 for Direct Alloying Process.
Online since: August 2023
Authors: Svitlana Fedchenko, Olha Nekora, Taras Shnal, Serhii Pozdieiev
As a result of the obtained experimental data, the temperature distributions were reproduced using the proposed interpolation method.
To eliminate these shortcomings, it is effective to use approaches that allow specifying the properties of concrete and reinforced concrete based on the generalization and interpretation of data obtained as a result of fire tests.
Calculation of the coefficient of reduction of concrete strength of a reinforced concrete cross-section by temperature in the inner layer: a – diagram of the division into layers of the cross-section of a reinforced concrete crossbar; b – the scheme of linear interpolation of the coefficient of reduction of the concrete strength of the reinforced concrete crossbar according to tabular data.
A methodology was developed and fire tests of a reinforced concrete beam were conducted using it, the measurement data of which allow implementing the proposed method of identifying the coefficient of concrete strength reduction. 2.
According to the data obtained during the fire tests, a refined dependence of the concrete strength reduction coefficient was obtained, which is the basis for improving the calculation method for assessing the fire resistance of reinforced concrete beams based on deformation models.
Online since: January 2011
Authors: Yue Shun He, Jun Fang Xiao
Data mining developed rapidly to meet this requirement.
Data mining is to extract knowledge and rules that are implicit, unknown and potential valued in decision-making from large database or data warehouse.
In the algorithm efficiency, through data compression the data that is mined can be scanned into memory once, avoiding duplication of disk I/O operations.
Conf.Very Large Data Bases(VLDB'06),pages 134-145, Bombay, India, Sep.2006
Data Engineering,Orlando,FL, Feb,2007,412-421.
Online since: June 2010
Authors: Xiao Ying Yu, Xiao Lei Sheng, Jian Ping Hu
An Adiabatic Register Based on Dual Threshold Leakage Reduction Technique Jianping Hu1, a , Xiaoying Yu1, b , and Xiaolei Sheng1, c 1 Faculty of Information Science and Technology, Ningbo University, Ningbo City, China a nbhjp@yahoo.com.cn, b nbuxiaoy@yahoo.com.cn, cnbuxiaolei@yahoo.com.cn Keywords: Nanometer CMOS circuits, Dual threshold CMOS, Leakage reduction, Adiabatic logic.
The two-phase CPAL register file consists of a storage-cell array, address decoders, read/write word-line drivers, sense amplifiers, and write bit-line and read data-line drivers, as shown in Fig. 3 [4].
The write bit-line and read data-line drivers are as much as the number of memory columns.
Because about 70% of memory store data are "0" [5], the storage cell with double-threshold technique can reduce leakage in the inactive state.
Summary This paper focuses on leakage reduction of the register file based on CPAL circuits using DTCMOS schemes.
Online since: July 2015
Authors: Muammer Din Arif, Fawaz Mohsen Abdullah, A.K.M. Nurul Amin, Siti Aminatuzzuhriyah B. Haji Subir
Magnetic Damping in Turning of Stainless Steel AISI 304 for the Reduction of Machining Vibration and Tool Wear A.K.M.
The data was subsequently processed using DasyLab (version 6) software.
Fig. 3 compares the corresponding tool flank wear reduction by 11% for the same run.
The greatest reduction in tool wear (89.62%) is in run 13 for a corresponding reduction in vibration of 51.27%.
This led to a reduction in tool wear by 63.85% on average.
Online since: July 2011
Authors: Guo Jun Ma, Yi Biao Jin, Da Bin Yang
China a gma@wust.edu.cn, bjybcooker@163.com, cdabingyang@sohu.com Keywords: Fly ash; carbothermal reduction; Si-Al-Fe alloy Abstract.
Table 1 Chemical composition of raw materials (%) Materials TFe SiO2 Al2O3 CaO MgO S P K2O Na2O TiO2 C LOI* Fly ash 7.26 30.20 14.16 2.64 0.83 0.57 0.05 0.87 0.55 1.71 29.02 36.21 Bauxite 0.64 5.25 74.21 0.25 0.29 - - 0.08 0.02 4.38 - 14.46 Hematite 45.77 19.16 6.65 3.70 0.76 0.07 0.93 - - - - - Coke - 5.65 3.62 1.26 0.14 0.11 0.08 - 0.39 0.16 86.27 - *-Loss on ignition Sample preparation and carbothermal reduction process In the calculation of the proportion of raw materials stage, the element distribution ratios among the slag, metal and gases phase adopt the data from Jiang et al. [4].
This is consistent with the results of thermodynamic calculation of alumina reduction with carbon by Wang et al. [5], which reported that the carbothermal reduction of bauxite to produce Si-Al-Fe alloy can be divided into four stages, i.e.
Fig. 2 shows that the products of carbothermal reduction of pellets.
Thus, the production of Si-Al-Fe alloy by carbothermal reduction method, it should avoid it exposure to air.
Online since: January 2014
Authors: Bin Zhan, Meng Wang, Wan Jing Tao
Therefore, optimizing transportation form of the road transport, strengthening energy conservation management, is of great practical significance to improve the efficiency of energy utilization, to protect environment, to facilitate the sustainable development of society.This article combined with the relationship between drop-and-pull transport and energy saving and emission reduction, used the analytic hierarchy process and fuzzy comprehensive evaluation model to evaluate the effectiveness of energy saving and emission reduction of drop-and-pull transport.
Energy saving and emission reduction of road transport industry refers to improving the fuel efficiency of the operation vehicle and reducing fuel consumption and waste emissions.
Analysis of energy saving and emission reduction mechanism of drop-and-pull transport Direct energy conservation mechanism.
Energy saving benefits evaluation of pull transportation case A case study of XX company, combines with its volume forecast the next few years, and transportation equipment situation, calculates the quantitative evaluation indexes, experts scores on the basis of the data obtained and the specific circumstances of the qualitative evaluation indexes, final draw weight set W and membership matrix R.
It follows that there is a certain energy saving effect in pull transport, but still need to further strengthen the energy-saving and emission reduction management, to achieve better energy saving effect.
Online since: December 2012
Authors: Li Wang, Shao Wu Yin, Li Ge Tong, Shu Feng Sun, Xian Fang Yue, Li Fang Zheng, Xia Chen
In 2009, the total CO2 emission from China was 7710.5 million tons (Mt) [[] International data carbon dioxide emission; U.S.
The uncertainty of reduction rate for the ratio of peak–flat difference is 0.5%, 1.0% and 1.5%, respectively, when the uncertainty of statistical data is 10%, 20% and 30%.
The uncertainty of reduction rate for the ratio of peak–valley difference is 0.5%, 1.0% and 1.6%, respectively, when the uncertainty of statistical data is 10%, 20% and 30%.
The uncertainty of reduction rate is 0.01%, 0.01% and 0.02%, respectively, when the uncertainty of statistical data is 10%, 20% and 30%.
The uncertainty is 0.002%, 0.004% and 0.006%, respectively, when the uncertainty of statistical data is 10%, 20% and 30%.
Online since: February 2012
Authors: Guo Guang Liu, Wen Ying Lv, Long Li Lin
The result showed that the coexistence of Cu(Ⅱ) and citric acid was favourable to the photocatalytic oxidation and reduction.
Table 2 Percentage content of major Cu(Ⅱ) species Sample Cu2+ CuL CuHL CuH2L Cu(OH)L Cu2+ 100 - - - - Cu2+-Cit 18.71 - - 81.21 - 3.Results and Discussion 3.1 Changes of the suspension pH Table 3 contains data on the suspension pH after experiment.
The reduction reaction kinetics is thus found to follow the zero order with respect to Cu(Ⅱ) concentration.
(b) Cu(Ⅱ) was more feasible in photocatalytic reduction in the presence of citric acid.
Fig.1 Cu(Ⅱ) photocatalytic reduction (molar ratio of Cu(Ⅱ) : citric acid was 1:1). 3.3.
Online since: February 2015
Authors: Mohd Ambar Yarmo, Mohamed Wahab Mohamed Hisham, Tengku Shafazila Tengku Saharuddin, Alinda Samsuri, Fairous Salleh, Rizafizah Othaman
The WO3 is a stable oxide because the reduction agent used to promote the reduction was not sufficient enough to reduce to zero metal tungsten.
The reduction divided into three stages: the reduction of WO3 to WO2, reduction of WO2 to W and then significant methane decomposition.
For identification purposes of crystalline phase composition, diffraction pattern obtained were matched with standard diffraction data (JCPDS) files.
Results & Discussion Thermodynamic Consideration Data.
The reduction should be preceded by formation of WO2.96 as the earliest reduction of WO3 [3].
Showing 621 to 630 of 40357 items