The development trend of "metering for each household of the residential quarters" is discussion in detail based upon the introduction of outside water meter, central installation, IC advanced payment system and remote charging system; at the same time concrete skills are proposed for this system s implement.

Three new construction techniques for medium and small turbines,integrated installation,water-free cooling,and oil-free lubrication,are described together with their economic and environment protection benefits.

Application of Storage Gas Transportation Conveyers in the Centralized Package of Polypropylene;

The process of explosion break by a concentrated charge in rock blasting is analyzed and the distribution of various energy consumed during explosion is also calculated.