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 2005
Authors: Bohuslav Mašek, Ondrej Zacek, H. Staňková, Jiri Kliber
Integral intensities of (200) alpha and (200) gamma reflections were measured for this purpose and tabulated data was used for calculation.
Upon cooling and holding at 800°C, single-pass rolling was performed with up to four amounts of reduction achieved (due to the steps on specimens).
There was a considerable bainite volume fraction drop as well as a decrease of the amount of residual austenite occurred at twelve reductions from 950 - 600°C.
Effects of extreme austenitization temperatures and reduction of finish forming temperature.
Diagram of the thermomechanical treatment procedure Conclusions • Reduction in the austenitizing temperature results in change of bainite morphology.
Online since: January 2013
Authors: Aleksandar Subic, Mladenko Kajtaz, Monir Takla
Bracket data unit Data Units.
This particular encapsulation of data conceals information that can be proprietary, and, therefore, guarantees privacy of information contained in the data unit, leveraging outsourcing effectively.
Data Exchange.
The values are encapsulated and collaborated via data units.
And, the last part is a group of auxiliary files derived from Data Units.
Online since: September 2014
Authors: Ming Нong Zhou, Jing Yuan
Satellite remote sensing monitoring data.
Digital age large integrated data information, can use the "library" document storage management, data analysis, facilitate data comparison and further information processing.
Data acquisition.
Data processing.
The key technology of data processing including multiview split, noise removal, data reduction, data and grid, and so on.
Online since: February 2019
Authors: Gennady G. Mikhailov, Igor V. Bakin, Valery A. Golubtsov, Ivan V. Ryabchikov, Ludmila E. Dresvyankina
Data on the effects of alloys with alkaline-earth elements on the properties of metals are given, as well as technological features of the use of complex alloys with alkaline-earth metals in steelmaking.
- to increase the corrosion resistance of pipe steel by 20%; - to increase the relative reduction in the thickness direction of the sheet of high-strength steel body by 10%.
The work shows data showing that the greatest degree of assimilation of active elements is achieved when introducing a modifier into the crystallizer of a continuous casting machine during casting (Tables 1, 2).
Assimilation of elements, % Ca Ce Ca Ce In the tundish - under the jet 1.3-1.4 0.6-0.7 1-2 4-5 9-18 26-33 In the tundish - under the stopper 1.3-1.4 0.6-0.7 2-3 6-7 18-27 40-47 In the crystallizer 0.33 0.1-0.2 1-1.5 2-3 28-32 50-75 The data were obtained during the casting of steel 10G2FB for slabs of 0.25x1.65 and 0.30x1.85m.
The economic effect was obtained through the reduction of rejects, the improvement of the quality of the metal, the abandonment of the costly operation of evacuation (about $ 25 per ton).
Online since: July 2011
Authors: Rinat V. Safiullin, Vener Valitov, Shamil Kh. Mukhtarov, Ramil Ya. Lutfullin, Minnaul Mukhametrakhimov
The experimental data on the influence of grain size on solid-state weldability in the range of SP have been obtained.
According to the literature data the upper limit of ultimate strain at superplastic forming does not exceed 300% [6] in most cases.
When analyzing the obtained data, one can certify that the processed NS Alloy 718 sheets exhibit sufficient formability for processing various complex shaped hollow parts by SPF.
The data of heat treatment for the NS alloy correspond to the Aerospace Material Specification (AMS) requirements.
d: elongation to failure; y: reduction of area.
Online since: February 2007
Authors: János Vad, Bálint Morlin
The future aim of the model is to establish guidelines for the following improvement in mineral wool quality: reduction of the diameter of mineral wool fibers, improvement of the homogeneity of fiber diameter distribution, and reduction of gravel size.
However, temperature-dependent C and µ data are hardly available in the open literature for rock melts.
The data show a variance, being characteristic for the analogous production technology.
The dF data related to the "peak" is considered as reference value for further processing. lFref was approximated by traditional length measurement. ρref was deduced from traditional mass and volume measurements on a specimen of the raw material.
Table 1 summarizes the technological, reference, and material data, in accordance with the calculations outlined above.
Online since: March 2013
Authors: Yan Liu, Juan Li
Specific test procedure is introduced in [3].When the variation of the data was less than ±1.5%, the instrument entered the stable state.
Data analysis and processing Data were extracted and processed when the instrument entered the stable state.
The measured data were introduced into the formula above to obtain the coefficient of thermal conductivity: Coefficient of thermal conductivity of 8mm-thick straw-based board (W/(M•K)).
The results are listed in the table 4 below:′ Table 4 Minimum thickness of straw-based board with different thickness (mm) Wall thickness K≤1.0 K≤1.5 240 39.78 (40) 9.78 (10) 370 20.28 (25) —— Note: data in the brackets are values in practical use.
[4] Ma Jie, Energy conservation and emission reduction analysis of straw-based insulation building materials [J].
Online since: April 2008
Authors: Bo Jonson, Björn Zethræus, Ruud Beerkens, Adriaan Lankhorst
- a study of the possibilities Bo Jonson 1, a, Björn Zethræus1, b, Ruud Beerkens2,c and Adriaan Lankhorst2,d 1 School of Technology and Design, Växjö University, SE 351 95 Växjö, Sweden 2 TNO Glass Group, De Rondom 1, Eindhoven, The Netherlands a bo.jonson@vxu.se, b bjorn.zethraeus@vxu.se, cruud.beerkens@tno.nl, dadriaan.lankhorst@tno.nl Keywords: CO2 reduction, glass furnace, woody bio fuel, energy balance calculations, non carbonate batch compounds Abstract.
Tables 1 and 2 summarizes the calculated data for glass furnace wood combustion in comparison with natural gas combustion.
Combustion and furnace data, 50 t p d furnace, wood and natural gas combustion Wood Wood Wood Gas % cullet; mass % 50 50 80 50 Surface area melter; m2 28,1 28,1 28,1 28,1 T melt in throat; o C 1340 1340 1340 1340 Air excess; vol. % 12 20 12 8 Batch humidity; mass % 3 3 3 3 Net calorific value gas; MJ/Nm3 31,65 Combustion value, wood ; MJ/kg 17 17 17 - Cold air leaking in; Nm3/hr 400 400 400 400 Emmissivity flame part; [-] 0,4 0,4 0,4 0,25 Air preheat; o C 1195 1195 1167 1197 Regenerator efficiency 48,9 49,7 49,1 53,8 Energy consumption ; MJ/kg glass 7,48 7,64 7,09 8,05 Wood/ gas consumption; Kg/Nm3.
Silicate compounds are thus the only ones left for consideration and studies in this work, although some more data on hydroxides on to be collected in order to achieve a more complete picture.
Introducing silicates will of course imply a reduction of the sand content of the batch, as one of the factors explaining the enhanced reactivity.
Online since: July 2016
Authors: Pavel Svoboda, Helmut Kurth
Dust Reduction Measures Before the proposal of dust reduction measures it is necessary to assess, whether the dust generation is not due merely to the lack of technological discipline.
In the framework of construction preparation the entity preparing the design of blasting operations must be provided with sufficient data, comprising primarily the size (dimensions) of demolished buildings, description of building materials, technical state of buildings intended for demolition, their connection to utilities and circumstances connected with environs.
Perfect knowledge on these input data co-determines the methods used as well as their success.
However, the ensuing reduction of dust generation is not substantial; · covering of buildings/structures requiring protection.
Although this method brings about good results (some sources claim a 50 % reduction of dust generation), it has its disadvantages, too.
Online since: September 2016
Authors: Emmanuel Annerel, Luc Taerwe
Mostly these influencing parameters result in a further reduction of the compressive strength compared to the strength loss already induced by the temperature.
It is noted that those values are smaller than the strengths found for test samples xxx°C,A,0d, which are from the available test data the ones with the most representative test condition for hot strength.
When for theses conditions the superposition is applied based on the values from Table 4, the derived strength losses are too large compared to the experimental data.
· The studied high performance concrete mix suffers from almost no strength loss when exposed to 350°C and about 35% additional reduction in case of water cooling.
When heating to 550°C, respectively 40% and 30% of reductions are found
Showing 8051 to 8060 of 40331 items