Siminghu Reservoir already transformed into " the algae muddy" type,and had nonclassical bio-manipulation practice using Hypophthalmichthys molitix and Aristich
Samples at different setting time were determined by glass syringe method and air bag method, and their results were analyzed. The results showed that concentra
Based on data of temperature and precipitation in Benxi City from 1951 to 2010,variation characteristics and abrupt changes of the climate in Benxi City during
Continuous rainy and cold weather in Yiwu in early spring of 2009 was analyzed.The results showed that the continuous rainy and cold weather occurred after temp
In the present study,ELMAN artificial neural network model was developed to predict the change of NH3-N in aquaculture water. The indexes including feed ration,
Based on data of haze days observed by Puyang Meteorological Station of Henan Province from 1971 to 2012,climatic characteristics,causes and prevention counterm
Climate change will lead to a variety of climate disasters,and climate disasters have a greater impact on China's food production. Weather index insurance i
Present situation and problems of international shipping professionals in China were analyzed,and then some countermeasures and suggestions were put forward to i