NO162575B
(no )
1989-10-09
L seanordning.
CN109133103B
(zh )
2021-06-11
一种铁基载氧体化学链制氨方法
US3074783A
(en )
1963-01-22
Production of sulfur-free hydrogen and carbon dioxide
IE46220B1
(en )
1983-04-06
Production of urea
IE43359B1
(en )
1981-02-11
Flexible integrated method for the production of ammonia and urea
US20080216478A1
(en )
2008-09-11
Integration of a water-splitting process with production of fertilizer precursors
US4089938A
(en )
1978-05-16
Process for recovering oxygen from air
SU410003A1
(it )
1974-01-05
GB1411245A
(it )
1975-10-22
CN106672902A
(zh )
2017-05-17
利用煤炭地下气化产品气生产化肥及中间体化工产品的方法
US3549320A
(en )
1970-12-22
Regeneration of acid
US2046827A
(en )
1936-07-07
Production of urea and nitrogen oxides
US1541808A
(en )
1925-06-16
Process of producing ammonium nitrate
US4285923A
(en )
1981-08-25
Manufacture of calcium nitrite solutions with low nitrate content
US3337297A
(en )
1967-08-22
Process for combined production of ammonia and ammonium salts
GB1247060A
(en )
1971-09-22
Process for the preparation of urea in combination with the synthesis of ammonia
USRE15314E
(en )
1922-03-21
Island
US1896489A
(en )
1933-02-07
Production of cyanamides of the alkaline earth metals
US3560147A
(en )
1971-02-02
Method for the production of concentrated nitrogen oxide
SU283197A1
(ru )
1980-11-30
Способ получени давлением азотоводородной смеси дл синтеза аммиака
PL85220B1
(it )
1976-04-30
SU793931A1
(ru )
1981-01-07
Способ получени элементарнойСЕРы
GB828430A
(en )
1960-02-17
Improvements in or relating to the production of calcium cyanamide
SU614098A1
(ru )
1978-07-05
Способ получени мочевины
JPS61205607A
(ja )
1986-09-11
アンモニアの接触的燃焼による酸化窒素の製造法