Abstracts
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| Дата: | 2010 |
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| Формат: | Стаття |
| Мова: | English |
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Інститут чорної металургії ім. З.І. Некрасова НАН України
2010
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| Назва видання: | Фундаментальные и прикладные проблемы черной металлургии |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Abstracts // Фундаментальные и прикладные проблемы черной металлургии: Сб. научн. тр. — Дніпропетровськ.: ІЧМ НАН України, 2010. — Вип. 21. — С. 363-372. — англ. |
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irk-123456789-631642014-05-30T03:02:54Z Abstracts 2010 Article Abstracts // Фундаментальные и прикладные проблемы черной металлургии: Сб. научн. тр. — Дніпропетровськ.: ІЧМ НАН України, 2010. — Вип. 21. — С. 363-372. — англ. XXXX-0070 http://dspace.nbuv.gov.ua/handle/123456789/63164 en Фундаментальные и прикладные проблемы черной металлургии Інститут чорної металургії ім. З.І. Некрасова НАН України |
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Abstracts Фундаментальные и прикладные проблемы черной металлургии |
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Abstracts |
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Abstracts |
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Інститут чорної металургії ім. З.І. Некрасова НАН України |
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2010 |
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Abstracts // Фундаментальные и прикладные проблемы черной металлургии: Сб. научн. тр. — Дніпропетровськ.: ІЧМ НАН України, 2010. — Вип. 21. — С. 363-372. — англ. |
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Фундаментальные и прикладные проблемы черной металлургии |
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2025-07-05T14:01:34Z |
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2025-07-05T14:01:34Z |
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1836815844480385024 |
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363
Abstracts
V.I.Bolshakov, L.G.Tuboltsev
Directions for development of metallurgical complex of Ukraine
The purpose of this research is the estimation of prospects for mining and
metallurgical complex of Ukraine, given its current state and parameters
characterizing the state of global steel industry. Based on analysis of tendencies
of development in metallurgy has given directions and tasks of scientific
research, and also formed proposals for development of domestic metallurgy.
J.G.Tovarovsky, V.I.Bolshakov, A.E.Merkulov
Analytical study of blast furnace processes and regimes with various
conditions of burden parameters
Multyzone mathematical model of Blast Furnace process is developed.
Analytical study of Blast Furnace process basing of this model was carry out
with taking into account of changing of general iron content in charge, degree
of it metallization, degree of dirt fluxing with burden radial distribution
variation. Internal relations of processes in the blast furnace that influence to
melting regime character and final results are exposed for blast furnace more
than 5000 m3 volume. Obtained new scientific results can be used in practical
applications.
V.I.Bolshakov, I.G.Murav'eva, Y.S.Semenov, F.M.Shutylev
Method for operative estimation of stock distribution in zones of shaft
top sections based on data of profile meter
Method for operative estimation the stock distribution on radius of shaft
top, using profile meter data founded on interconection of the ore burden
distribution in the areas of shaft top section and the ratio of height courses of
iron–bearing materials and coke is recommended. The method can be used for
operational control of the radial distribution of the charge and the gas stream in
the furnace.
V.I.Bolshakov, V.V.Lebed, A.A.Zherebetsky
Use of modern control devices for control of radial distribution of
charge in the blast furnace
The urgency of effective and operational administration by a cooling–off
condition by means of rational filling sequences is shown. Examples of use of
information technology controls the parameters of fusion for proved choice of a
mode of a blast–furnace filling are resulted.
A.V.Borodulin, A.L.Chayka, A.A.Sohatskiy, G.P. Kostenko, P.I.Otorvin,
S.V.Nyn’,
The question of increasing the efficiency of fuel additives in blast–
furnace practice
364
The direction of more efficient use of natural gas by heating it and the
control of degree thermal dissociation methane is considered. Results of the
analysis of prospects to use the natural gas in a blast–furnace practice are
brought. It is shown that the inverse heat power method for calculating the
blast–furnace smelting permits for output parameters of the oven and some
input parameters of charge and blow to define blast–furnace blast losses, the
degree of breaking–up of natural gas in tuyere region on carbon and hydrogen
А.А.Sohatskiy, А.L.Chayka, А.G.Shevelev
Research of processes of thermal exchange of in the mine of high
furnace and their influence on the indexes of the domain melting
The purpose of work is establishment of conformities to law and quantitative
estimation of joint development of thermal and gas processes in the mine of stove
taking into account work of the cooling system. On the basis of synthesis of
balance model conformities to law of influence of expense and composition of
blowing are set, temperatures of ore-hearth gas and pressure of gas on the
technical and economic indexes of the domain melting.
A.S.Nesterov, A.D.Djigota, V.S.Jakushev, L.I.Garmash
Research of process of receipt of agglomerate with enhanceable
maintenance of technogenic wastes with the use of different hard fuel
Results over of research of process of receipt of agglomerate are brought in
laboratory terms from a charge with enhanceable maintenance of technogenic
wastes of ferrous metallurgy. It is shown that the receipt of standard
agglomerate is possible at the use of different hard fuel and maintenance of
permanent maintenance of carbon in composition a charge.
D.N.Togobitskaya, A.I.Belkova, N.A.Gladkov, A.Y.Grinko
Revealing the thermodynamic ratio of components in «metal–slag»
system for the purpose of the directed formation of makeup of melts in a
blast–furnace well
The the purpose is to revealing reliable ratio components of "metal–slag"
system on the basis of the analysis of existing approaches to studying the
processes of interaction of metal and slag melts in the smelting of iron. The
ambiguous interpretation of the thermodynamic ratio components of pig iron
and slag in the in a blast–furnace well is shown. The criteria and technique of
estimation the results of cooperative interaction of ion–exchange process of
chemically uniform systems are offered.
D.N.Togobitsky, A.F.Hamhotko, D.A.Stepanenko
Linkage of viscosity and freezing point of domain slags with their
mineralogical makeup
Influence of structure and properties of the mineralogical composition of
domain slag on the viscosity and crystallization temperature, is shown. The
365
Importance of relations Al2O3/MgO for an estimation the technological
properties of domain slags from the point of view of their mineralogy is proved.
A.S.Vergun, E.V.Prikhodko, V.G.Kislyakov
Influence of chemical composition and properties of ladle slag, formed
in the process of pig–iron desulfurization by magnesium, on the contents of
metallic phase
The results of experimental of influence of model parameters and some
physical–chemical properties of ladle slag, formed in the process of pig–iron
desulfurization by magnesium, on the contents of metallic phase in the slag. It
is shown that for maintenance minimum increase the metallic phase in the slag,
he should have a maximum surface tension (320–330 mN • m), the maximum
positive (–3.1 or more) physical–chemical equivalent of slag Δе, less negative
(–1.68 or more) charge of sulfur in the slag Z (s).
I.F.Manachin, A.F.Shevchenko
Estimation of influence of dispergating of the blown stream of
magnesium on absorptive potential of area near furm
A research aim was increases of intensity of input of magnesium in liquid
cast-iron at treatment of cast-iron (to 24-28 kg/of mines) at the use of one furm
and one batching system. It is shown that dispergating of magnesium is the
effective factor of increase of his reactionary potential, increases of ability of
fusion of cast-iron to take in magnesium Potential ability of area near furm to
take in magnesium can increase in 20 - 22 times.
V.P.Piptjuk, I.D.Buga, S.E.Samohvalov, V.F.Polyakov, V.V.Motsny,
S.N.Pavlov, J.P.Mahlaj, V.A.Kondrashkin)
Design–layout and technological harametres for numerical exploration
melt hydrodynamics at the treatment on ladle pot–furnace powerof 35
MW•A.
Given basic parameters for numerical exploration of hydrodynamics of
melt at the treatment on ladle pot–furnace (LPF) of Alternating Current by
power 35 MW•A. Given the technological and design data used as initial for
adapting the mathematical model and exploration the processes of
hydrodynamics in the ladle with a capacity of 250 t.
V.P.Korchenko, L.G.Tuboltsev, V.F.Polyakov, N.I.Padun,
A.M.Shevchenko
Dynamics of pig–iron disposal impurities and oxidszing of iron in the
course of oxygen–converter fusion
The work purpose is definition of the mechanism of iron oxidizing and the
basic impurity of pig–iron (carbon, silicium, manganese) on the periods
oxygen–сonverter fusion. In work attempt to present the mechanism and real
passing of process with use of formulas of the most probable structural groups
366
(Fe3C, FeC ; FeSi; FeMn), formal bridgings and complexes of reactions is
made. It is shown, that during the first period mainly oxidized iron, silicium,
manganese, and to some degree, carbon . The second period is characterised by
intensive oxidizing of carbon. In the third period marked slowdown in the
oxidizing of carbon and the beginning of intensive oxidizing of iron .
S.I.Semikin, V.F.Polyakov, E.V.Semikina, T.S.Kiyashko
Features dust emission in the smelting of metal in the conditions of
imposing on bosh of low–voltage electric potentials
The work purpose was define how to improve the ecology of steelmaking
by reducing the level of dust from the steelmaking unit. On fusion with
electrical effects in laboratory and industrial conditions level decrease of dust
emission in comparison with base technics is fixed. Shows the different
character of dust emission during of blowing through of fusion depending on
polarity of current supply to tuyere. A number of possible reasons for reducing
dust emission by electrical influences is considered.
S.I.Semikin, V.F.Polyakov, T.S.Kiyashko, E.V.Semikina,
Investigation of fining processes proceeding in 160–ton converters
The purpose of work is to estimate of metal desulphurization with
influence of low–voltage electric potentials to slag–metal melt efficiency when
converter smelting. The comparative analysis of metal desulfurization index
and residual manganese content in the metal and slag is carry out in industry
smelting with electrical influence and with standard technology. Shown that
increasing the specific power of electrical action gives the possibility to
improve the thermodynamic conditions of desulfurization, increase of lime
consumption and slag basicity, increase the residual content of manganese in
the metal.
S.I.Badyuk, A.I.Leshchenko
Analysis of schemes of combination of the continuous casting machines
in foundry– rolling units
The purpose of research to identify the advantages and disadvantages of
known constructive schemes combining continuous casting machines (CCM)
and the rolling mill for develop recommendations for their use. Reviewed and
analyzed the structural features of the combined units, provide
recommendations on the use of combining CCM and rolling mill in designed
foundary–rolling units (FRU). It is shown, that offered schemes allow to build
FRU with a minimum size and weight of equipment to minimize power
consumption on the implementation of technological process.
D.G.Palamar, V.G.Razdobrev
Improvement of production technology of the bar in the conditions of
continuous small–section mills
367
The purpose of work is to develop a method for the production of the bar,
which provides compensation for the irregular distribution of temperature
temperature on length of a hot–rolled breakdown by creation of a return
temperature wedge at a stock material supply in the first mill stand. The
proposed method allows the production of a bar allows without complication of
a master schedule and additional expenses to provide energy consumption
decrease in production, and also to increase quality of ready metal products.
L.A.Shevchenko, V.V.Zelinskaya, L.T.Zhupinskaya, L.T.Holyavchenko,
S.L. Davydov
Cleaning strip rolling mill scale from low–temperature plasma
The purpose of work is researching of possibility of using low temperature
plasma for the descaling from the surface of strip. The technological parameters
of plasma cleaning the metal surface of scale and efficiency of its use. It is
shown, that plasma cleaning, in contrast to chemical, does not need in expenses
on chemical materials, mixing of melts, solutions and neutralization used
materials. Power intensity of plasma cleaning well lower than chemical.
L.A.Shevchenko, V.V.Zelinskaya, L.T.Zhupinskaya
Using of product of regeneration of spent pickling solution for
receiving ferrous powders
The process of receiving of ferrous powder by restoration of waste
regeneration process of spent pickling solution, containing 98 % and more iron
oxide is investigated. As a firm reducer used technical hydrolytic lignin.
Received ferrous powders correspond to the properties of ferrous powder
grades (ПЖВЗ) AUSS 9849–86. Established the possibility of RECEIVING of
ferrous powder from secondary raw material: iron oxide – the product of
regeneration of spent pickling solutions and lignin – waste hydrolytic
processing of agricultural production.
A.I.Babachenko, A.A.Kononenko, P.L.Litvinenko, A.V.Knysh,
Z.A.Dementieva, A.N.Hulin, A.N.Savchenko, E.A.Shpak
Investigation of resistance to formation of indentation on the running
surface of railway wheels different strength levels
The purpose of work was exploration the characteristics of formation of
indentation by thermal origin on railway wheels in operation. In laboratory
conditions, the patterns influence the strength level and chemical composition
of steel for the production of railway wheels on on its firmness to formation of
defects of thermal origin. It is shown, that the mechanism of indentation
associated with the formation of the roll surface fragile structural component of
high–carbon martensite and its subsequent spalling under operational loads.
368
V.I.Spivakov, P.L.Litvinenko, E.A.Shpak
Investigation of structure formation in thick sheets with steel strength
category X65, X70 at different cooling rates
The purpose of this research was to investigate the influence of cooling rate
on structure formation in sheets of steel such as X65, X70 in the range of their
changes under the controlled rolling (CR) and the deformation termal
hardening (DTH). Established structure–phase diagram and shows the character
of structure formation in thick sheets, depending on their chemical composition
and cooling rates at temperatures interval of austenite transformation. The
possibility of rational use and optimization of the Mo content in steels, as the
most expensive element is shown.
I.G.Uzlov, M.F.Evsjukov, K.I.Uzlov, A.V.Knysh, A.N.Hulin,
Z.A.Dementeva
Investigation of kinetics of structure microalloyed by vanadium wheel–
banded steel and its influence on the mechanical properties of products of
railway transport
By methods of dilatometric and microstructural analysis is studied the
kinetics of structure formation in microalloyed by vanadium wheel–banded
steels. The temperature–time boundary diffusion, intermediate bainite and shear
transformations are defined. It is shown that the rate of cooling during heat
treatment generates a structural state and mechanical properties of the products.
E.G.Demina, S.A.Zdorovets, V.I.Sukhomlin, J.Z.Chehuta
Influence of regimes of deformation the bullion of the axial steel on
increase of impact elasticity of railway axes
Influence of regimes of deformation of bullion of axial steel on bloomer on
structure of the normalised axes is investigated. It is shown, that for axes
produced on skilled rolling schedule, the increase in density of dendritic
structure at 40,0 %, reduction of size of the valid grain by 20,0 % and increase
of level of impact elasticity at 30 % is characteristic.
M.F.Evsjukov, P.D.Grushko, G.V.Galenko
About spheroidizing the secondary cement carbide in white irons
The work purpose is studying the influence of heat treatment on structure
formation in white pig irons. Described the kinetics of origin and secondary
cementite growth in austenite after crystallization and its kinetics
spheroidization after separate heating. It is shown that the cooling process after
crystallization from supersaturated by carbon austenite at the eutectic carbides
origining the lamellar secondary cementite and grows deeper austenite branches
with a laminar growth mechanism, and secondary cementite spheroidization
occurs during annealing.
369
D.A.Stepanenko
Role of viscosity of slag in the process of interaction in the metal–slag–
gas system
Results of works about influence of metallurgical slag viscosity on the
diffusion processes occurring in system metal–slag–gas–refractory, various
additives on the basis of which were obtained depending on nitrogen and
hydrogen permeability of slag on their viscosity have been analysed. Shows the
defining role of viscosity of metallurgical slags in the processes of their
interaction in system metal–slag–gas–refractory, various additives.
V.S.Luchkin, L.G.Tuboltsev, V.P.Korchenko, V.F.Polyakov, S.I.Semikin,
N.I.Padun, A.M.Shevchenko
Structure of liquid iron and free carbon in Fe–alloys
On the basis of literature and experimental data the possibility of
transforming the structure of liquid iron in the melting process is analyzed.
Shown that the structure of liquid iron is consists of different types of particles
and interparticle spaces. Existence in a liquid of particles with distant order that
allows to explain the mechanism of behaviour of iron, structural groups and
accompanied elements in the oxygen–converter melting.
A.M.Nesterenko, V.L.Pljuta, E.G.Demina, O.J.Svistelnik
Structure formation in ekonomo alloyed chrome – manganese alloys
for manufacturing of of details of the replaceable metallurgical equipment
Found that, in cast chromo–manganese alloys of Fe–Mn–Cr–C transistive
class (carbon content no more 2,2%) at certain combination of Mn and Cr is
possible formation of crystals of highly hard carbide Me7S3. It is shown that
ekonomoalloyed chromo–manganese alloys of Fe–Mn–Cr–C with eutectic on
the basis of carbide Me7S3 , are characterized by high levels of shock–abrasive
wearing quality and can be used for the manufacture of rubber–metal element
inserts lining the mining and metallurgical equipment.
A.S.Kozachek, E.V.Prikhodko
Estimation of influence of the basic alloying elements on properties of
medium–carbon steel
The new approach and estimation technique of influence of concrete
alloying element in complex with the basic composition on mechanical
properties of steels is offered. Equations describing the mechanical properties
of medium–carbon steels, taking into account the tempering temperature are
received. It is shown that this technique can be applied to account for the
influence of manganese, chromium, silicon and nickel, in any ratio of
components.
370
S.V.Bobyr, M.F.Evsjukov, A.M.Nesterenko
Investigation of the transformation eutectic cementite in manganese
iron type 200Г5Х2ТЛ
The features of transformation of eutectic cementite in the manganese–iron
type 200Г5Х2ТЛ at cooling. Established that carbon diffusion in cementite
occurs on small distances comparable with the distances of diffusion in the
perlite (0,05 – 0,5 mm). Shown that the formation of dispersed carbides in the
process of transformation of eutectic cementite defines increasing shock–
abrasive wear resistance of pig iron.
O.G.Sidorenko, L.G.Tuboltsev, I.P.Fedorova, A.P.Suhoj, Z.A.Dementeva
The nature of extreme speed up of the phase transformation,
developing at warming the overcooled high–temperature phases
The purpose of work was to define the nature of effect of extreme increase
the rate of decay of the overcooled austenite detected by researching the
structure of reinforcing bar, the hardening by heat treatment with intermittent
hardening method. Established that the nature of the extreme speed up the
phase transformations associated with development of transformation front.
V.I.Bolshakov, I.B.Listopadov
Investigation of work combined breaking device feeding the pilger mill
machine
The purpose is the investigation of features of pneumatic braking device as
a part of hydro–pneumatic braking system, the mobile mass feeding piliger mill
machine. It is developed the mathematical model, and the results of
investigation of air brake high–speed characteristics and braking efficiency are
brought. It is shown that air braking the most effectively at the rolling of heavy
assortment funnels with the minimum turns of rolls. At the rolling of easy
assortment funnels the air braking notable results for improvement of quality of
work of the feeding machine.
V.V.Verenev, N.I.Podobedov, S.V.Matsko, O.V.Simenenko, V.A.Jatsenko
Modelling the interaction of cages of fair group of the broad–strip mill
through the strip with compliance of line drive
The nature of the transition processes in the continuous group of cages of
the broad–strip mill when at modelling when consider in modeling the elastic
torsional oscillations in the lines of the drive rolls and a compliant s cage
system. Found that when small discontinuous increase in the thickness of the
strip at the entrance to the in a cage during the rolling tension in front of the
cage by 0.2 seconds decreases to zero and then looping occurs, with the
thickness of the tension before and behind the cage increases, accordingly, 2
and 1,5 times.
371
V.V.Korennoj
Comparative analysis the dynamics of various schemes of the main
sheet mill trains
Results of analysis of dynamics of the main finishing mill trains of the
broad–strip mill hot rolling under its various schemes and the composition of
the equipment are brought. The scheme of a line of a traction mechanism of
finishing stands with the engine of an alternating current and the extended
intermediate shaft, providing a minimum level of dynamic loads by coefficient
of dynamism in the range of 1,5 ≤ Кд ≤ 2,0, is offered to realisation direct–
drive, which will increase the reliability of work of a line of a traction
mechanism of a rolling cage in general.
B.N.Maymur, V.I.Petrenko, I.G.Murav'eva, S.V.Vashchenko
Methodology of selection the methods and means of increasing the
effectiveness of roller presses
Analyzed the influence of various factors on the efficiency of the roller
press. Developed and presented in the form of block diagram methodology for
selection of rational ways to improve productivity of press. It is shown that the
realisation of developed algorithm in the form of software product will allow at
the consructing of presses to consider all possibilities to increase of
productivity of the unit for each kind briketed charge.
K.V.Bajul
Analysis of operating conditions, wear and structural features roll
briquett presses
The work purpose is the assaying and generalisation of the information on
service conditions, wear and constructive features of roll briquett presses. The
estimation of the factors, influencing on wear and duration of the work of roll
briquett presses is executed. The embodiment influence of rolls on their
operational characteristics is observed. Defined the base for creation of
calculating and analytical apparatus predicting tyres wear , which will allow the
design on extrusion press equipment stage to establish the admissible degree of
wear of the working surface of the tyres and to develop technical solutions and
recommendations on the extension of resource exploitation.
L.G.Tuboltsev, G.N.Golubyh, S.P.Sushchev, V.V.Blinnikov
Probability estimation of risk of origin emergency situations and
incidents in blast–furnace production
The purpose of work is the estimation of risk of origin the incidents and
emergency situation at equipment operation in a blast–furnace production of
the metallurgical enterprise. In work incidents and the emergencies arising in
the course of a domain fusion are identified, theoretical and empirical laws of
distribution of incidents and time of their liquidation on the basis of the
assaying of statistical data are compared. It is shown, that process of origin the
372
incidentIt is shown, that process of origin the s and emergencies submits to
distribution from Poisson's law, and time of their liquidation – to the indicative
law. The received results allow, for definition of probability of origin the
incidents in a blast–furnace practice, to apply the theory of mass service.
V.M.Kuzmichiv, O.N.Perkov
Estimation of base level the quality index of the rolled wheels centres
The analysis of working conditions of locomotive wheels centres and loads
which they have in operation is carried out. standard quality indexes of metal of
rolled railroad wheels and cast locomotive centres are compared. The required
level of quality index of rolled metal centers to ensure their reliability is
previously estimated.
V.I.Bolshakov
In memory of Sergey Mihajlovich Zhuchkov
Presented data about scientific and scientifically–organizational activity
Doctor of Science (Tech.), the professor, the deputy director for scientific work
of Iron & Steel Institute National Academy of Sciense of Ukraine (2001–2009)
S.M.Zhuchkov – noted scientist in the field of the theory and technology of
metal forming.
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>>
/GrayImageDict <<
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>>
/JPEG2000GrayACSImageDict <<
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>>
/JPEG2000GrayImageDict <<
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>>
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/MonoImageDict <<
/K -1
>>
/AllowPSXObjects false
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0.00000
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0.00000
0.00000
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/NLD (Gebruik deze instellingen om Adobe PDF-documenten te maken die zijn geoptimaliseerd voor prepress-afdrukken van hoge kwaliteit. De gemaakte PDF-documenten kunnen worden geopend met Acrobat en Adobe Reader 5.0 en hoger.)
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/ENU (Use these settings to create Adobe PDF documents best suited for high-quality prepress printing. Created PDF documents can be opened with Acrobat and Adobe Reader 5.0 and later.)
>>
/Namespace [
(Adobe)
(Common)
(1.0)
]
/OtherNamespaces [
<<
/AsReaderSpreads false
/CropImagesToFrames true
/ErrorControl /WarnAndContinue
/FlattenerIgnoreSpreadOverrides false
/IncludeGuidesGrids false
/IncludeNonPrinting false
/IncludeSlug false
/Namespace [
(Adobe)
(InDesign)
(4.0)
]
/OmitPlacedBitmaps false
/OmitPlacedEPS false
/OmitPlacedPDF false
/SimulateOverprint /Legacy
>>
<<
/AddBleedMarks false
/AddColorBars false
/AddCropMarks false
/AddPageInfo false
/AddRegMarks false
/ConvertColors /ConvertToCMYK
/DestinationProfileName ()
/DestinationProfileSelector /DocumentCMYK
/Downsample16BitImages true
/FlattenerPreset <<
/PresetSelector /MediumResolution
>>
/FormElements false
/GenerateStructure false
/IncludeBookmarks false
/IncludeHyperlinks false
/IncludeInteractive false
/IncludeLayers false
/IncludeProfiles false
/MultimediaHandling /UseObjectSettings
/Namespace [
(Adobe)
(CreativeSuite)
(2.0)
]
/PDFXOutputIntentProfileSelector /DocumentCMYK
/PreserveEditing true
/UntaggedCMYKHandling /LeaveUntagged
/UntaggedRGBHandling /UseDocumentProfile
/UseDocumentBleed false
>>
]
>> setdistillerparams
<<
/HWResolution [2400 2400]
/PageSize [612.000 792.000]
>> setpagedevice
|