The analysis of morphometric features in Liquid Soap two pairs of closed species of wool mice (Sylvaemus tauricus and S.sylvaticus) and voles (Terricola subterraneus and Microtus arvalis) is carried out.It is shown that the problems of diagnostics of morphologically closed species appear due to the coincidence of signs of the young stages of size-l
Soil nailing is a prevalent and cost-effective technique employed to reinforce and enhance the stability of precarious natural or cut slopes; however, its application as a primary support system to prevent collapses or cave-ins during foundation excavation could be more frequent.To better understand the behavior of such a support system, this study
In order to improve the construction efficiency of pre-splitting blasting borehole in the technology of gob-side entry retaining by the way of roof cutting and pressure release, a split-type double-arm seam cutting drill for mining is developed, which is small in volume, flexible in movement, strong in Armchair / Sofa tunnel adaptability and high i