A new viable way of preparing wide size anti-drag coatings with macromolecules self-assembly were presented.

为大尺寸自组装技术在大面积减阻涂层中的应用提供可行性路线。

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The present invention relates to a kind of anti-drag pressurizing hammer pulverizer for pulverizing material.

本发明涉及一种用于物料粉碎的减阻增风增压锤片式粉碎机。

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Currently, the research target of this realm is raising the drag reduction efficiency, at the same time, is increasing its anti-to shear function and lower the usage cost as far as possible.

目前，这一领域的研究目标是在不断提高其减阻效率的同时，尽量增强其抗剪切稳定性及降低其使用成本。

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"Not only do they signal a local economy in decline, they also become a hotspot for anti-social behaviour and drag down the whole feel of an area, " she said.

BBC: Councils in 'ghost town' warning