PT68092A - Process for measuring and measuring equipment to. determine the homogeneity of magnetic dispersions - Google Patents

Process for measuring and measuring equipment to. determine the homogeneity of magnetic dispersions

Info

Publication number
PT68092A
PT68092A PT68092A PT6809278A PT68092A PT 68092 A PT68092 A PT 68092A PT 68092 A PT68092 A PT 68092A PT 6809278 A PT6809278 A PT 6809278A PT 68092 A PT68092 A PT 68092A
Authority
PT
Portugal
Prior art keywords
measuring
homogeneity
magnetic dispersions
measuring equipment
equipment
Prior art date
Application number
PT68092A
Other languages
English (en)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of PT68092A publication Critical patent/PT68092A/pt

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/1207—Testing individual magnetic storage devices, e.g. records carriers or digital storage elements
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0324—With control of flow by a condition or characteristic of a fluid
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Measuring Magnetic Variables (AREA)
PT68092A 1977-06-10 1978-05-26 Process for measuring and measuring equipment to. determine the homogeneity of magnetic dispersions PT68092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2726370A DE2726370C2 (de) 1977-06-10 1977-06-10 Meßverfahren und Meßeinrichtung zur Bestimmung der Homogenität von Magnetdispersionen

Publications (1)

Publication Number Publication Date
PT68092A true PT68092A (en) 1978-06-01

Family

ID=6011290

Family Applications (1)

Application Number Title Priority Date Filing Date
PT68092A PT68092A (en) 1977-06-10 1978-05-26 Process for measuring and measuring equipment to. determine the homogeneity of magnetic dispersions

Country Status (9)

Country Link
US (1) US4243059A (pt)
JP (1) JPS6047651B2 (pt)
DE (1) DE2726370C2 (pt)
ES (1) ES470667A1 (pt)
FR (1) FR2394078A1 (pt)
GB (1) GB2000295B (pt)
IT (1) IT1105326B (pt)
NL (1) NL7806293A (pt)
PT (1) PT68092A (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032848A (ja) * 1983-08-01 1985-02-20 Mitsui Toatsu Chem Inc ポリフェニレンサルファイド樹脂成形物の製造方法
US4668913A (en) * 1985-03-14 1987-05-26 International Business Machines Corporation Constant flux magneto resistive magnetic reluctance sensing apparatus
DE3567971D1 (en) * 1985-06-13 1989-03-02 Ibm Deutschland Methods and arrangements for characterizing magnetic coating compositions as well as improving magnetic particle dispersions
US4733684A (en) * 1986-12-22 1988-03-29 Texaco Inc. Means and method for testing the homogeneity of a solution
DE3931497A1 (de) * 1989-09-21 1991-04-18 Sensoplan Messtechnik Gmbh Vorrichtung zum erfassen von verschmutzungen in fluiden, insbesondere schmierstoffen
DE4025093A1 (de) * 1990-08-08 1992-02-13 Schilling Gerhard Verfahren und schaltung zur induktiven messung der leitfaehigkeit in fluessigkeiten
GB9200215D0 (en) * 1992-01-07 1992-02-26 Kodak Ltd Testing devices
US5426486A (en) * 1994-02-22 1995-06-20 Eastman Kodak Company Toner monitor having magnetic field control
US5831151A (en) * 1996-12-13 1998-11-03 Ford Global Technologies, Inc. System and method for monitoring the proportional volume of constituents provided to a mixture
JP3742998B2 (ja) * 1997-03-26 2006-02-08 住友電気工業株式会社 磁性体濃度の検出方法及び装置
KR101320912B1 (ko) * 2006-04-28 2013-10-21 가부시키가이샤 디젤 유나이티드 도전체 농도 계측 장치 및 자성체 농도 계측 장치
DE102006047658B4 (de) * 2006-09-29 2009-03-19 Ing. Erich Pfeiffer Gmbh Mikrodosiervorrichtung für ein flüssiges Medium
CN107848799B (zh) 2015-08-10 2020-07-17 昭和电工株式会社 氯化氢的制造方法
EP3336056B1 (en) 2015-08-10 2022-05-11 Showa Denko K.K. Method for producing hydrogen chloride
CN108896448B (zh) * 2018-05-11 2020-10-16 重庆邮电大学 基于轴向高梯度磁场在线金属颗粒监测传感器及监测方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB251642A (en) * 1925-04-29 1926-12-09 Gen Electric Improvements in and relating to methods of and means for testing magnetic cores madefrom powdered material
DE853213C (de) * 1950-11-17 1952-10-23 Schaub Appbau Ges M B H G Verfahren und Schaltungsanordnung zur Untersuchung und Pruefung, ins-besondere fabrikationsmaessigen Pruefung von magnetischen Schallspeichern
US2948847A (en) * 1957-05-03 1960-08-09 Welex Inc Electromagnetic conductivity detection
GB1099672A (en) * 1963-10-08 1968-01-17 Ass Elect Ind Improvements relating to apparatus for investigating the magnetic properties of a body
GB1190927A (en) 1966-08-11 1970-05-06 Emi Ltd Improvements in or relating to the Testing of the Properties of Fluid Suspensions Containing Magnetic Particles
GB1270965A (en) * 1968-07-22 1972-04-19 Eastman Kodak Co Toner replenishment device for electrographic developing apparatus
GB1267434A (en) * 1968-10-16 1972-03-22 Internat Bussiness Machines Co Apparatus and method of testing a magnetic recording medium
US3572551A (en) * 1969-03-27 1971-03-30 Rca Corp Apparatus for monitoring and controlling the concentration of toner in a developer mix
FI50907C (fi) * 1970-08-20 1976-08-10 Matti Niilo Tapani Otala Menetelmä ferromagneettisten aineiden analysoimiseksi
GB1378903A (en) * 1971-04-17 1974-12-27 Molyneaux L Determination of the orientation of magnetism in a sample of material such as rock
JPS4939462A (pt) * 1972-08-15 1974-04-12
NL7301931A (pt) * 1973-02-12 1974-08-14
JPS5751161B2 (pt) * 1974-03-12 1982-10-30
US3970036A (en) * 1974-07-17 1976-07-20 Savin Business Machines Corporation Toner concentration detector for dry powder magnetic brush toning system
JPS52125339A (en) * 1976-04-14 1977-10-21 Hitachi Ltd Detector for toner density

Also Published As

Publication number Publication date
FR2394078A1 (fr) 1979-01-05
US4243059A (en) 1981-01-06
IT1105326B (it) 1985-10-28
GB2000295A (en) 1979-01-04
DE2726370C2 (de) 1981-09-24
DE2726370A1 (de) 1978-12-14
NL7806293A (nl) 1978-12-12
ES470667A1 (es) 1979-02-16
JPS545704A (en) 1979-01-17
FR2394078B1 (pt) 1982-10-22
GB2000295B (en) 1982-03-10
JPS6047651B2 (ja) 1985-10-23
IT7849748A0 (it) 1978-06-07

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