With the aid of Matlab software,the peaks of China's carbon emissions and their appearing time in three situations were simulated,and the shallow price of c
The photocatalytic degradation on the bismuth containing complex oxide was revised in detail including the synthesis and classification of photocatalyts,and the
In order to improve the quality of cultivated land in Liaoning Province in the light of local conditions,medium-and low-yielding farmland in Liaoning Province a
Decentralized production model of small peasant household is main threat for China food safety source. By using the advantage of farmer professional cooperative
To build an ecologically civilized society,we should not only rely on scientific and technological progress,but also give full play to management progress. In t