The relevance of the research.One of the main technological parameters of the pellet impact drilling is the spacing between a drill bitand a holebottom.There are several methods and constructions of drill bits that allow keeping this distance with bit feet.In this case, the jet apparatus is held at a certain distance from the blades, which destroy

Liposomes are spherical-shaped vesicles that enclose an aqueous milieu surrounded by bilayer or multilayer membranes formed by self-assembly of lipid molecules.They are intensively exploited as either model membranes for fundamental studies or as vehicles for delivery of active substances in vivo and in vitro.Irrespective of the method adopted for

In order to ensure the safety of the tunnel approaching the fault and prevent water inrush disasters, and then take reasonable protective measures, a fault-tunnel-surrounding rock is established by using a three-dimensional (3D) discrete element numerical analysis method, which takes into account the fluid-structure coupling effect.Based on the met

Peace, as well as its inevitable companion and rival - war, are extremely complex notions and important socio-historical phenomena.This is why the study of peace, and its proper understanding, requires a wise philosophical view and a bold scientific and intellectual synthesis.Peace and war are complex notions and seductive phenomena, which can easi

Pain causes altered arousal and specific behaviours that are Food Service:Commercial Kitchen Equipment:Food Preparation Equipment:Commercial Food Scales rare at other times (pain indicators).We examined whether beef cows (mean age 6 years) are sensitive to pain indicators in addition to arousal following ear tagging and rubber ring castration (male