EP2467509B1
(en )
2019-12-18
A method of activating an article of passive ferrous or non-ferrous metal prior to carburising, nitriding and/or nitrocarburising
US3303063A
(en )
1967-02-07
Liquid nitriding process using urea
JP2016538127A
(ja )
2016-12-08
アンモニア合成及びアンモニア分解のための触媒
DE160637C
(zh )
UA58569C2
(uk )
2003-08-15
СПОСІБ ПРЯМОГО ОКИСЛЕННЯ В СІРКУ H<sub>2</sub>S, ЩО МІСТИТЬСЯ В НЕВЕЛИКІЙ КІЛЬКОСТІ В ГАЗІ, КАТАЛІТИЧНИМ ШЛЯХОМ В ПАРОВІЙ ФАЗІ
JPH0118966B2
(zh )
1989-04-10
RU2015197C1
(ru )
1994-06-30
Способ азотирования заготовок из стали
CA1156430A
(en )
1983-11-08
Cyclic process for the preparation and processing of a hydroxylammonium salt solution
US859482A
(en )
1907-07-09
Cyanid briquet and process of making same.
Cook¹ et al.
1973
Nitrogen isotope fractionation in the nitrogen cycle
US1206156A
(en )
1916-11-28
Process of purifying and improving hydrocarbon gases.
Rouse et al.
1998
Autotrophic biological transformations of nitrogen under oxygen-stressed and anaerobic conditions
US1089240A
(en )
1914-03-03
Process for the synthetic preparation of ammonia from its constituents.
US1492193A
(en )
1924-04-29
Method of producing hydrocyanic acid
DE299643C
(zh )
CH144849A
(de )
1931-01-31
Verfahren zur Herstellung von Harnstoff.
US971501A
(en )
1910-09-27
Production of ammonia.
POSLEDICE
2004
Supersaturation of iron with nitrogen, hydrogen or carbon and the consequences
SU1355641A1
(ru )
1987-11-30
Расплав дл азотировани стальных изделий
Titherley
1897
XLVI.—Rubidamide
Ishizuka et al.
2000
N2O emission and spatial distribution in a Japanese deciduous forest
SAKAMURA
1950
On the assimilation of nitrate nitrogen by Hansenula anomala
US161137A
(en )
1875-03-23
Improvement in processes of manufacturing ammonia
CZ298996B6
(cs )
2008-04-02
Zpusob nitridacního cementování kovových obrobku
Novák et al.
2007
Mechanism and kinetics of plasma nitriding of the Nb-Alloyed PM tool steel