A simple culture method with physiological effect in cotton;

There is a countrywide common understanding that highly develop energy-saving & land-saving residence and public building.

Developing energy-saving & land-saving residence is a turning point of residence construction method of China, a general residence construction policy in future, and an important way to speed sustainable development of our residence and real estate.

Under gradually short-supplied overall situation of the sources of energy and land, building the energy-saving & land-saving residence is the only way to develop circulation economy for residence in our country.

The article presents certain policies and opinions related to the construction of energy and land saving houses from the view of strengthening the planning of cities and townships and improving the housing construction in the areas.

This paper firstly analyzes the status quo of construction of energy and land saving houses in Shanghai and points out that it still leaves much to be desired.

Based on the sparse parameterized model and time-frequency separation method,the technique for quantization error analysis is put forward.

This paper reviews 3 types of power saving classes of sleep mode of MS in IEEE802.

The positive externality of energy efficient and land saving buildings which results in market failure and market players losing passion is analyzed in this paper.