Taper angle is one of the effective methods to reduce the dragload and downdrag of piles under the surcharge load. The model tests on the tapered pile and unifo
Titanium silicalite-1(TS-1)was synthesized by a hydrothermal synthesis method with different amounts of tetrapropyl ammonium hydroxide(TPAOH)as template. The as
Pulse-pairs (PP) generated by distance measuring equipment (DME) cause severe interference to the L-band digital aeronautical communication systems. Unlike prev