During the last ten years it developed and produced the enormous benefit in order to promote two basic transitions of agriculture and rural economy and improve agricultural integrated production capacity and bring about an advance in rural economy and accelerate agricultural modernization, which having played a great role.
Biological hydrogen production,using reproducible resources,especially the waste from industry and agriculture,is a high biotechnology with great potentialities due to its high efficiency,low energy consumption,light pollution,and low cost.
Based on the analysis of the contamination factors and contamination actuality of this area,this paper puts forwards the concrete prevention and cure measures which have great significance for protecting the agricultural environment and promoting the sustainable development of the rural economy.
It was pointed out in our previous article that there is a great flexibility in choosing coefficients of greedy expansions.
A QSRR studies are already demonstrated their great potential in most essential areas of contemporary chemistry.
A great number of digital computer simulation experiments have shown the obvious advantage of the new algorithms.
The combination of chromatography and membrane separation is of great importance to the quantitative analysis of the complex hydrolysates, which can also be applied to the other macromolecular systems, such as carbohydrates.
The results indicate that the factors such as distribution of the ultrasonic field, ultrasonic time, ultrasonic power, and the species of reductant have a great impact on the morphology of the silver nanoparticles.