Based on the experimental study,this paper demonstrates the corresponding relation between the heat exchanger and the temperature distribution of pipe in line of room air conditioner and the performance of air conditioner.

The range and procedure of the management of visual resources along highway and the evaluating methods for them are introduced in this paper.

Spatial distribution and variability of heavy metals contents in the topsoil along roadside in the Longitudinal Range-Gorge Region in Yunnan Province;