Pyongyang, September 21 (KCNA) -- The State Academy of Sciences in the DPRK is conducting a brainstorming and creative campaign for reducing the production costs and improving the quality.

Officials and researchers of the Mathematics Research Institute and the institute for the automation of experimental apparatus process under the Hamhung Branch have updated the operation method of the oxygen separators in a rational way to improve the purity and output of oxygen, thus ensuring the guarantee for increased iron and steel production.

Giving priority to ensuring the safety in the operation of the fertilizer production line and improving the quality, they made an oxygen meter with high accuracy.

The Hydraulic Engineering Research Institute is hastening the development of testing equipment that can find out the parameters like output power and efficiency from miniature model in the final stage with an aim to realize the optimization of impulse turbine for hydroelectric power generation.

The Ore-dressing Engineering Institute remodeled the reagent supply system of floatation process at the Phungnyon Mine to reduce the amount of reagent used and maintain the grade of phosphorus concentrate at a high level. And a research group of the Laser Institute directs effort to lengthen the life of the rails by applying the laser technique.

Officials and researchers of the building materials institute developed a new technology of producing heat insulating material without using a large amount of cement. -0-