stable quantity
4.The reads show that gas flow can be well-proportioned distributed in hearth, and effective quantity of gas channels increased under oxygen-enrichment operation with stable air flowrate, thus oxygen-enrichment operation with stable air flowrate is an effective way for improving the productivity of blast furnace.
9.Abstract: This paper makes a statistical analysis of the outgoing message quantity,region,distribution of authors,core authors and cited papers in the Journal of Natural Disasters from 1992 to 1999,and concludes some results on its product rate and effect.It has already a unique style and a stable research system of its own.
10.Established in 1996,huazhixin Meter Plant(huaxin Meter CO.,Ltd)is specialized in the development and production of simulation current meters and voltmeters.They are widely used in collaboration with mili-tary equipment,various electronic communication facilitles,measuring instruments and auto control equipment to display all kinds of quantity of electricity and other readings.huazhixin Meters are of plenty of assortments and complete functions.They sell well in the domestic and overseas markets and appeal to the customers with their stable and reliable quality,considerate service and sound market reputation.

