This paper inquired into the problem of fast propagation of sugarcane superior variety by sugarcane lateral bud still culture technology and widely popularizing and applicating it in production.
The factors which affected the rate of product, such as capacity of potassium permanganate and water, time and temperature of the reaction were inquired into.
In this paper, we inquired into the treatment of highway slide slope and the tunnel cavern out on the land of Chongqing area.
This paper inquired into a series of technical measures in leather production, that solved the problems of fat wrinkles of neck and belly on cattle hide fairly good.
