AbuBakr Bahaj, in charge of the Southampton research, said: The prospects for energy from tidal currents are far better than from wind because the flows of water are predictable and constant.
A study in Sweden and the United States found that people using a cell phone before bedtime take longer to get into deep sleep and spend less time in the deepest part of sleep.
The air permeability and the randomness of air permeability test of different shoe upper leather, shoe lining single -layer material and compounded samples were studied.
The synthesis and properties of elastic unsaturated polyester were investigated and the use of the elastomer compounded with nitrile butadiene rubber was discussed.
A adhesive was compounded from the thermosetting and the hot-melt adhesive, and its properties were satisfied with the requirements for military shoe production.