SU1763366A1
|
|
Method for synthesis of carbon bisulfide
|
SU1755757A1
|
|
Composition on the calcium carbide-base for plant growth regulation
|
SU1754651A1
|
|
Method for purification of yellow phosphorus from arsenic
|
RU1788948C
|
|
Method of yellow phosphorus purification from arsenic
|
SU1710507A1
|
|
Method of producing standard electrocorundum
|
SU1726559A1
|
|
Phosphatizing compound
|
SU1730198A1
|
|
Method of producing compound for phosphatization
|
SU1699986A1
|
|
Method of processing magnesium-bearing phosphate stock
|
SU1705687A1
|
|
Ore-smelting furnace hearth
|
SU1682721A1
|
|
Device for burning waste of phosphorus production
|
RU1786131C
|
|
Method of thermomechanical processing of steel products
|
SU1686713A1
|
|
Device for controlling operating conditions of ore kiln for decomposing phosphogypsum
|
SU1680620A1
|
|
Method for extracting phosphorus from kiln gases
|
SU1651203A1
|
|
Method of determination of cobalt (ii) in nickel
|
SU1648899A1
|
|
Method for purification of yellow phosphorus
|
SU1668292A1
|
|
Method for concentrating carbonate containing phosphate raw material
|
SU1682890A1
|
|
Reagent for measuring moisture content of loose materials
|
SU1579914A1
|
|
Nitrogen fertilizer
|
SU1650736A1
|
|
Method for controlling pelletization of phosphate materials
|
SU1549915A1
|
|
Method of purifying wet-process phosphoric acid from fluorine
|