FR455189A - Process for the treatment of radioactive ores and the preparation of radioactive intermediates - Google Patents
Process for the treatment of radioactive ores and the preparation of radioactive intermediatesInfo
- Publication number
- FR455189A FR455189A FR455189DA FR455189A FR 455189 A FR455189 A FR 455189A FR 455189D A FR455189D A FR 455189DA FR 455189 A FR455189 A FR 455189A
- Authority
- FR
- France
- Prior art keywords
- radioactive
- intermediates
- preparation
- treatment
- ores
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F15/00—Compounds of thorium
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE455189X | 1935-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR455189A true FR455189A (en) | 1913-07-24 |
Family
ID=6539016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR455189D Expired FR455189A (en) | 1912-12-11 | 1913-03-06 | Process for the treatment of radioactive ores and the preparation of radioactive intermediates |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR455189A (en) |
GB (1) | GB455189A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002083565A1 (en) * | 2001-04-11 | 2002-10-24 | Gkss-Forschungszentrum | Method for enriching radium from mixtures of mineral substances containing barium sulfate |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1260543B (en) * | 1963-09-24 | 1968-02-08 | Siemens Ag | Device for limiting the whistling power in telephone connections |
JPS5340824A (en) * | 1976-09-27 | 1978-04-13 | Hitachi Ltd | Combining circuit |
-
1913
- 1913-03-06 FR FR455189D patent/FR455189A/en not_active Expired
-
1936
- 1936-02-06 GB GB3640/36A patent/GB455189A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002083565A1 (en) * | 2001-04-11 | 2002-10-24 | Gkss-Forschungszentrum | Method for enriching radium from mixtures of mineral substances containing barium sulfate |
DE10118259C1 (en) * | 2001-04-11 | 2002-12-05 | Geesthacht Gkss Forschung | Process for the enrichment of radium from mineral mixtures containing barium sulfate |
Also Published As
Publication number | Publication date |
---|---|
GB455189A (en) | 1936-10-15 |
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