PE33195A1 - OPTIMIZED COMPOSITION DESIGNS AND PROCESSES TO DESIGN MICROSTRUCTURALLY CEMENTENT MIXTURES - Google Patents

OPTIMIZED COMPOSITION DESIGNS AND PROCESSES TO DESIGN MICROSTRUCTURALLY CEMENTENT MIXTURES

Info

Publication number
PE33195A1
PE33195A1 PE1994247624A PE24762494A PE33195A1 PE 33195 A1 PE33195 A1 PE 33195A1 PE 1994247624 A PE1994247624 A PE 1994247624A PE 24762494 A PE24762494 A PE 24762494A PE 33195 A1 PE33195 A1 PE 33195A1
Authority
PE
Peru
Prior art keywords
cement
added
design
water
cementent
Prior art date
Application number
PE1994247624A
Other languages
Spanish (es)
Inventor
Per Just Andersen
Simon K Hodson
Original Assignee
Khashoggi E Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Khashoggi E Ind filed Critical Khashoggi E Ind
Publication of PE33195A1 publication Critical patent/PE33195A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245—Curing concrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/02—Controlling the operation of the mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3402—Details of processes or apparatus for reducing environmental damage or for working-up compositions comprising inert blowing agents or biodegradable components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/002—Water
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0032—Controlling the process of mixing, e.g. adding ingredients in a quantity depending on a measured or desired value
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
    • C04B40/0608—Dry ready-made mixtures, e.g. mortars at which only water or a water solution has to be added before use
    • C04B40/0616—Dry ready-made mixtures, e.g. mortars at which only water or a water solution has to be added before use preformed, e.g. bandages
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/48—Clinker treatment
    • C04B7/52—Grinding ; After-treatment of ground cement
    • C04B7/527—Grinding ; After-treatment of ground cement obtaining cements characterised by fineness, e.g. by multi-modal particle size distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0245—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to a moving work of indefinite length, e.g. to a moving web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2003/00—Use of starch or derivatives as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D2565/38—Packaging materials of special type or form
    • B65D2565/381—Details of packaging materials of special type or form
    • B65D2565/385—Details of packaging materials of special type or form especially suited for or with means facilitating recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

ESTAN REFERIDOS A LA FABRICACION DE UNA MEZCLA CEMENTOSA HIDRAULICA CONSTITUIDA POR CEMENTO, AGUA Y AGREGADO, QUE TIENE LA RESISTENCIA Y ASENTAMIENTOS DESEADOS SIN EL USO DE PRUEBAS ENSAYO-ERROR, CARACTERIZANDOSE PORQUE COMPRENDE LOS SIGUIENTES PASOS: A) SELECCIONAR UNA RESISTENCIA Y UN ASENTAMIENTO DESEADOS PARA LA MEZCLA CEMENTOSA; B) SELECCIONAR EL TIPO DE CEMENTO Y AGREGADO A UTILIZARSE EN LA MEZCLA; C) IMPLEMENTAR UN PROCEDIMIENTO DE OPTIMACION DE DISENO QUE DETERMINE LAS PROPORCIONES DEL TIPO SELECCIONADO DE CEMENTOS, AGREGADO Y AGUA, TENIENDOSE QUE DETERMINAR LOS VALORES DE LOS PARAMETROS: DIAMETRO PROMEDIO DEL TAMANO DE CADA TIPO DE CEMENTO Y AGREGADO, DENSIDAD DE EMPAQUETAMIENTO, CANTIDAD DE AGUA REQUERIDA, RESISTENCIA CALCULADA; Y D) MEZCLAR LAS PROPORCIONES DEL TIPO SELECCIONADO DE CEMENTO, AGREGADO Y AGUA DEFINIDAS EN LAS PARTES ANTERIORESTHEY ARE REFERRED TO THE MANUFACTURE OF A HYDRAULIC CEMENT MIXTURE CONSISTING OF CEMENT, WATER AND ADDED, WHICH HAS THE DESIRED RESISTANCE AND SETTLEMENTS WITHOUT THE USE OF TESTING-ERROR TESTING, BECAUSE IT UNDERSTANDS THE FOLLOWING RESEARCH AND A RESIDENCE: FOR THE CEMENT MIXTURE; B) SELECT THE TYPE OF CEMENT AND ADDED TO BE USED IN THE MIXTURE; C) IMPLEMENT A DESIGN OPTIMATION PROCEDURE THAT DETERMINES THE PROPORTIONS OF THE SELECTED TYPE OF CEMENTS, ADDED AND WATER, HAVING TO DETERMINE THE VALUES OF THE PARAMETERS: AVERAGE DIAMETER OF SIZE OF EACH TYPE OF CEMENT AND ADDED DEPTH, WATER REQUIRED, CALCULATED RESISTANCE; AND D) MIX THE PROPORTIONS OF THE SELECTED TYPE OF CEMENT, ADDED AND WATER DEFINED IN THE PREVIOUS PARTS

PE1994247624A 1993-08-18 1994-07-27 OPTIMIZED COMPOSITION DESIGNS AND PROCESSES TO DESIGN MICROSTRUCTURALLY CEMENTENT MIXTURES PE33195A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10910093A 1993-08-18 1993-08-18

Publications (1)

Publication Number Publication Date
PE33195A1 true PE33195A1 (en) 1995-11-23

Family

ID=22325767

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1994247624A PE33195A1 (en) 1993-08-18 1994-07-27 OPTIMIZED COMPOSITION DESIGNS AND PROCESSES TO DESIGN MICROSTRUCTURALLY CEMENTENT MIXTURES

Country Status (15)

Country Link
EP (1) EP0714383A4 (en)
JP (1) JPH08511486A (en)
CN (1) CN1100395A (en)
AU (1) AU679784B2 (en)
BR (1) BR9407168A (en)
CA (1) CA2168643A1 (en)
CO (1) CO4520143A1 (en)
EG (1) EG20631A (en)
IL (1) IL110605A (en)
NZ (1) NZ273435A (en)
PE (1) PE33195A1 (en)
RU (1) RU2135427C1 (en)
WO (1) WO1995005350A1 (en)
ZA (1) ZA945497B (en)
ZW (1) ZW10394A1 (en)

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RU2513372C1 (en) * 2013-02-19 2014-04-20 Юлия Алексеевна Щепочкина Crude mixture for making material imitating natural stone
RU2540426C1 (en) * 2013-08-13 2015-02-10 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Северный (Арктический) федеральный университет имени М.В. Ломоносова" (САФУ) Method to determine composition of dry construction mix for concrete
RU2578700C1 (en) * 2014-11-17 2016-03-27 Общество с ограниченной ответственностью "Химком" Method of determining composition of concrete mixture
RU2633623C1 (en) * 2016-05-31 2017-10-16 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тульский государственный университет" (ТулГУ) Concrete mixture
CN110248784B (en) * 2017-02-22 2021-04-13 哈里伯顿能源服务公司 Controlling heat of hydration by characterizing cementitious components
WO2019053495A1 (en) * 2017-09-13 2019-03-21 Saroj Vanijya Private Limited Method of producing raw materials for use in producing a dry mix construction material
JP2022519758A (en) * 2019-02-11 2022-03-24 コンストラクション リサーチ アンド テクノロジー ゲーエムベーハー Systems and methods for formulating or evaluating construction admixtures
CN114790093B (en) * 2021-01-26 2022-12-02 中国石油天然气股份有限公司 Method for determining cement paste
CN113813839A (en) * 2021-02-24 2021-12-21 晋江华宝石业有限公司 Quick grading method and grading device for square stock
US11703499B2 (en) 2021-09-24 2023-07-18 X Development Llc Method to produce evolving concrete mixture heuristic
CN114357723A (en) * 2021-12-10 2022-04-15 江苏中利集团股份有限公司 Method and system for evaluating material structure by auxiliary material in multi-component polymer production

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Also Published As

Publication number Publication date
AU679784B2 (en) 1997-07-10
AU7670994A (en) 1995-03-14
EP0714383A4 (en) 1998-04-01
IL110605A (en) 1998-08-16
ZA945497B (en) 1995-06-07
CA2168643A1 (en) 1995-02-23
NZ273435A (en) 1997-10-24
EG20631A (en) 1999-10-31
ZW10394A1 (en) 1994-09-28
BR9407168A (en) 1996-09-17
EP0714383A1 (en) 1996-06-05
CN1100395A (en) 1995-03-22
IL110605A0 (en) 1994-11-11
RU2135427C1 (en) 1999-08-27
CO4520143A1 (en) 1997-10-15
JPH08511486A (en) 1996-12-03
WO1995005350A1 (en) 1995-02-23

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