NO135246B - - Google Patents

Download PDF

Info

Publication number
NO135246B
NO135246B NO4930/71A NO493071A NO135246B NO 135246 B NO135246 B NO 135246B NO 4930/71 A NO4930/71 A NO 4930/71A NO 493071 A NO493071 A NO 493071A NO 135246 B NO135246 B NO 135246B
Authority
NO
Norway
Prior art keywords
tube
electrons
cathode
plug
ceramic
Prior art date
Application number
NO4930/71A
Other languages
English (en)
Norwegian (no)
Other versions
NO135246C (ru
Inventor
J D Logemann
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of NO135246B publication Critical patent/NO135246B/no
Publication of NO135246C publication Critical patent/NO135246C/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Microwave Tubes (AREA)
NO4930/71A 1970-12-31 1971-12-29 NO135246C (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7019056,A NL168506C (nl) 1970-12-31 1970-12-31 Werkwijze voor de bereiding van ureum.

Publications (2)

Publication Number Publication Date
NO135246B true NO135246B (ru) 1976-11-29
NO135246C NO135246C (ru) 1977-03-09

Family

ID=19811940

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4930/71A NO135246C (ru) 1970-12-31 1971-12-29

Country Status (23)

Country Link
US (1) US3867442A (ru)
JP (1) JPS511691B1 (ru)
AT (1) AT319965B (ru)
BE (1) BE777470A (ru)
BG (1) BG26665A3 (ru)
BR (1) BR7108671D0 (ru)
CA (1) CA973564A (ru)
CS (1) CS171245B2 (ru)
DE (1) DE2165711C3 (ru)
ES (1) ES398493A1 (ru)
FI (1) FI54914C (ru)
FR (1) FR2121068A5 (ru)
GB (1) GB1365707A (ru)
HU (1) HU168681B (ru)
IT (1) IT945737B (ru)
NL (1) NL168506C (ru)
NO (1) NO135246C (ru)
PL (1) PL90701B1 (ru)
RO (1) RO63722A (ru)
SE (1) SE420719B (ru)
SU (1) SU651692A3 (ru)
YU (1) YU39704B (ru)
ZA (1) ZA718580B (ru)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092358A (en) * 1968-09-03 1978-05-30 Snamprogetti S.P.A. Process for the production of urea having a low carbamate content
BE790015A (fr) * 1971-10-19 1973-04-12 Mavrovic Ivo Synthese de l'uree avec conversion et recuperation de chaleur ameliorees
CA1017535A (en) * 1974-03-29 1977-09-20 Charles Vydra Method and apparatus for the continuous condensation of a gaseous mixture of ammonia, carbon dioxide and water vapour
NL7612162A (nl) * 1976-11-03 1978-05-08 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2.
NL174548C (nl) * 1977-05-05 1988-05-16 Montedison Spa Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde.
JPS55119464A (en) * 1979-03-09 1980-09-13 Ee K Deyuaru Kk Sealant coating device to screw thread of joint and valve
NL8101174A (nl) * 1981-03-11 1982-10-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8104040A (nl) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8104039A (nl) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8201652A (nl) * 1982-04-21 1983-11-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8303888A (nl) * 1983-11-13 1985-06-03 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
CZ198197A3 (cs) * 1994-12-23 1998-04-15 Urea Casale S. A. Způsob výroby močoviny, zařízení k provádění tohoto způsobu a způsob modernizace existujícího zařízení pro výrobu močoviny
IT1275451B (it) 1995-06-30 1997-08-07 Snam Progetti Procedimento per la sintesi dell'urea comprendente due separate zone di reazione
JP3987607B2 (ja) * 1996-10-07 2007-10-10 東洋エンジニアリング株式会社 改良された尿素合成方法および装置
EP1491526A1 (en) * 2003-06-27 2004-12-29 Urea Casale S.A. Process and plant for urea production
US7238231B1 (en) * 2006-11-16 2007-07-03 Tronox Llc Process for manufacturing zirconia-treated titanium dioxide pigments
DE102010009502A1 (de) * 2010-02-26 2011-09-01 Spawnt Private S.À.R.L. Verfahren zur Herstellung von Harnstoff
CN110590605B (zh) * 2019-10-11 2021-08-24 重庆化工职业学院 一种氨基甲酸甲酯的生产方法
CN114733336A (zh) * 2022-04-08 2022-07-12 华润电力(宁武)有限公司 一种防止尿素溶液输送管路堵塞的系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310376A (en) * 1963-09-09 1967-03-21 Chemical Construction Corp Process for combined production of ammonia and urea
US3406201A (en) * 1965-06-18 1968-10-15 Exxon Research Engineering Co Urea synthesis
US3503970A (en) * 1967-07-19 1970-03-31 Mitsui Toatsu Chemicals Integrated process for producing urea and melamine

Also Published As

Publication number Publication date
BG26665A3 (bg) 1979-05-15
IT945737B (it) 1973-05-10
YU332671A (en) 1982-02-28
PL90701B1 (ru) 1977-01-31
DE2165711A1 (de) 1972-07-06
NL168506C (nl) 1982-04-16
FI54914B (fi) 1978-12-29
SU651692A3 (ru) 1979-03-05
FI54914C (fi) 1979-04-10
RO63722A (fr) 1978-12-15
NL7019056A (ru) 1972-07-04
DE2165711B2 (de) 1973-06-28
ZA718580B (en) 1972-09-27
YU39704B (en) 1985-04-30
AU3730171A (en) 1973-06-28
FR2121068A5 (ru) 1972-08-18
JPS511691B1 (ru) 1976-01-20
ES398493A1 (es) 1974-08-16
DE2165711C3 (de) 1974-01-31
GB1365707A (en) 1974-09-04
AT319965B (de) 1975-01-27
CA973564A (en) 1975-08-26
NO135246C (ru) 1977-03-09
CS171245B2 (ru) 1976-10-29
HU168681B (ru) 1976-06-28
NL168506B (nl) 1981-11-16
US3867442A (en) 1975-02-18
SE420719B (sv) 1981-10-26
BE777470A (fr) 1972-06-29
BR7108671D0 (pt) 1973-05-15

Similar Documents

Publication Publication Date Title
NO135246B (ru)
US2414785A (en) High-frequency tube structure
US3133227A (en) Linear particle accelerator apparatus for high energy particle beams provided with pulsing means for the control electrode
CN105655216B (zh) X射线发生管、x射线发生装置和射线照相系统
US2680209A (en) High-frequency apparatus
US2391016A (en) High-frequency tube structure
US2559526A (en) Anode target for high-voltage highvacuum uniform-field acceleration tube
US2410054A (en) Electron discharge apparatus
US2517260A (en) Apparatus for generating an accurately focused beam of charged particles and for related purposes
US2396802A (en) Ultra high frequency oscillator
US2852715A (en) High frequency structure
US2508346A (en) Ultra high frequency electron discharge device
GB628806A (en) Improvements in apparatus for accelerating charged particles, especially electrons, to very high velocity
NO135247B (ru)
US2456563A (en) Ultra high frequency electronic tube
US2338306A (en) Electron discharge device
US3034009A (en) Pin seal accelerator tubes
US2473567A (en) Electronic discharge device
US3374388A (en) Traveling wave tube having tapered grooves and shims for improved thermal contact between metal envelope, support rods and slow wave helix
US3449617A (en) Electron discharge device having at least one electrode mounted by a meander-type insulator
US2321886A (en) Electron discharge device
US2798184A (en) Electron tube apparatus
US2351757A (en) Electron discharge device
US2892121A (en) Electron discharge device
US2576702A (en) Velocity modulation electron discharge device