Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Hao-Yang Zhao"'
Publikováno v:
Environmental entomology.
When the favored host of an herbivorous insect pest is absent, the availability of alternative host plants can maintain insect pest populations. Spodoptera frugiperda (Lepidoptera: Noctuidae) is a major invasive, polyphagous insect pest in China. To
Publikováno v:
Journal of Industrial and Engineering Chemistry. 28:261-267
Cu/γ-Al2O3 catalysts for methanol synthesis from CO2 are prepared and modified by metal oxides via impregnation in the present work. Results indicate that promoters modification leads to the formation of small Cu0 particles with a high dispersion, i
Publikováno v:
2012 Asia-Pacific Power and Energy Engineering Conference.
To study the influence of the circulation distribution principle to the centrifugal pump, the present paper studied the pump head character, efficiency character and NPSH character of the pump under three circulation distribution laws. And 2D-design