The agglomeration of industries refers to the concentration and aggregation of the same or different industries in a certain area. After analyzing the spatial pattern of the economic activities in the world, it can be
Triethylene diamine (TEDA) is an impor-tant intermediate and organic chemi-cal raw material.It is used as catalystfor PU (polyurethane) foam production,catalyst for ethylene polymerizationand also in the production of...Triethylene diamine (TEDA) is an impor-tant intermediate and organic chemi-cal raw material.It is used as catalystfor PU (polyurethane) foam production,catalyst for ethylene polymerizationand also in the production of coatingsand plastics.Its derivatives can be usedin the production of petroleumadditives,corrosion inhibitors andemulsifiers.展开更多
文摘The agglomeration of industries refers to the concentration and aggregation of the same or different industries in a certain area. After analyzing the spatial pattern of the economic activities in the world, it can be
文摘Triethylene diamine (TEDA) is an impor-tant intermediate and organic chemi-cal raw material.It is used as catalystfor PU (polyurethane) foam production,catalyst for ethylene polymerizationand also in the production of coatingsand plastics.Its derivatives can be usedin the production of petroleumadditives,corrosion inhibitors andemulsifiers.