working with wind energy that can be mounted on the glass wall ventilation shaft.Stage of development: At usable level
[更多]
The system is designed to absorb concentrated solar radiation in a molten eutectic salt. The liquid salt is contained in an insulated crucible with an aperture for entry of concentrated light. The salt serves as a volumetric energy absorber, an energy storage medium, a high temperature heat transfer.....
[更多]
Light reflection layer on the surface of metal and the effect of the reflected interference of light on the outside surface of the light transmission layer which has nanohole formed by anodized treatment process makes the colors coming out beautifully. Thickness variation of light transmission layer.....
[更多]
Functions and use: Hybrid rice variety offers high yield, good adaptability and resistance to pests and can increase yield to over 20 percent more than that of conventional rice. Hybrid rice variety supporting plantation technology can improve both yield and efficiency.Technical information: (1)Hybr.....
[更多]
|< <- | [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] | -> >| |