Analyses on the hydraulic disorder problems in central heating system for single-storey houses(particularily for reverse return system),and puts forward the direction and measures to solve these problems.

Results: There are 14 beds establishing in two available wards.

OBJECTIVE:To discuss the management tactics and developmental prospects of fair-price drug stores in China.

A new type of combination bin discharge grain system for bulk grain in warehouse was developed,which considered the equipment now available in state grain depots.

Some opinions for the common problems in the technology design of grain loading and unloading ,bin filling, aspirating, cooling, fumigating, grain quality checking and delivering sections in warehouse were put forward.

Comparison Test on Energy Consumption of Temperature Decreasing & Ventilation For Different Ventilators In the same Flat warehouse;

On the design of the Vietnamese flat warehouse confined insulation,grain access to warehouses of technology,ventilation,and cooling system for the fumigation experience.