AT367388B - Verfahren zur gewinnung von acrylsaeure aus einer waesserigen loesung von acrylsaeure und essigsaeure - Google Patents
Verfahren zur gewinnung von acrylsaeure aus einer waesserigen loesung von acrylsaeure und essigsaeureInfo
- Publication number
- AT367388B AT367388B AT0868178A AT868178A AT367388B AT 367388 B AT367388 B AT 367388B AT 0868178 A AT0868178 A AT 0868178A AT 868178 A AT868178 A AT 868178A AT 367388 B AT367388 B AT 367388B
- Authority
- AT
- Austria
- Prior art keywords
- acrylic acid
- aqueous solution
- acid
- obtaining
- acetic acid
- Prior art date
Links
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title 3
- 239000007864 aqueous solution Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
- G01S3/7803—Means for monitoring or calibrating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
- G01D18/002—Automatic recalibration
- G01D18/006—Intermittent recalibration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/28—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication
- G01D5/30—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/857,157 US4187422A (en) | 1977-12-05 | 1977-12-05 | Internal reference for stellar tracker |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA868178A ATA868178A (de) | 1981-11-15 |
AT367388B true AT367388B (de) | 1982-06-25 |
Family
ID=25325325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0868178A AT367388B (de) | 1977-12-05 | 1978-12-05 | Verfahren zur gewinnung von acrylsaeure aus einer waesserigen loesung von acrylsaeure und essigsaeure |
Country Status (6)
Country | Link |
---|---|
US (1) | US4187422A (de) |
AT (1) | AT367388B (de) |
IN (1) | IN148435B (de) |
NO (1) | NO784054L (de) |
PT (1) | PT68717A (de) |
YU (1) | YU273878A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3120344C2 (de) * | 1980-06-28 | 1982-12-30 | Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg | Verfahren und Vorrichtung zur Funktionsprüfung von Ortungsanlagen |
CA2001070A1 (en) * | 1988-10-24 | 1990-04-24 | Douglas B. George | Telescope operating system |
FR2713785B1 (fr) * | 1993-12-10 | 1996-03-01 | Centre Nat Etd Spatiales | Système de repérage d'orientation d'un instrument d'observation. |
FR2724013B1 (fr) * | 1994-08-29 | 1996-11-22 | Centre Nat Etd Spatiales | Systeme de reperage d'orientation d'un instrument d'observation. |
EP1050762A1 (de) | 1999-05-05 | 2000-11-08 | Contraves Space AG | Verfahren und Vorrichtung zum Kalibrieren der Ab-Lage eines Empfangsstrahls in einem Terminal von seiner Soll-Lage sowie Verwendung der Vorrichtung |
US20080174863A1 (en) * | 2007-01-24 | 2008-07-24 | Whorton Mark S | Star Identification and Alignment System |
US8169623B2 (en) * | 2009-09-01 | 2012-05-01 | Raytheon Company | Optical apparatus and method for measuring the attitude of an object in outer space |
EP4051079A1 (de) * | 2019-11-01 | 2022-09-07 | Stryker Corporation | Systeme und verfahren zur bildneuausrichtung für endoskopische bildgebung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3349664A (en) * | 1962-05-22 | 1967-10-31 | North American Aviation Inc | Optical collimation device |
US3990796A (en) * | 1974-07-31 | 1976-11-09 | The United States Of America As Represented By The Secretary Of The Navy | Optical measurement of the difference in alignment between reference frames |
-
1977
- 1977-12-05 US US05/857,157 patent/US4187422A/en not_active Expired - Lifetime
-
1978
- 1978-10-06 IN IN741/DEL/78A patent/IN148435B/en unknown
- 1978-10-30 PT PT68717A patent/PT68717A/pt unknown
- 1978-11-22 YU YU02738/78A patent/YU273878A/xx unknown
- 1978-12-04 NO NO784054A patent/NO784054L/no unknown
- 1978-12-05 AT AT0868178A patent/AT367388B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4187422A (en) | 1980-02-05 |
ATA868178A (de) | 1981-11-15 |
PT68717A (en) | 1978-11-01 |
IN148435B (de) | 1981-02-21 |
NO784054L (no) | 1979-06-06 |
YU273878A (en) | 1982-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |