With the increase of mining intensity of coal resources, some coal mines in China have gradually entered the deep mining stage.The complexity of the stress environment of the deep rock stratum leads to the difficulty of coal mining.Among them, the control of the deep roadway is one of the bottlenecks restricting the safety mining of the deep coal r
Vitamin D, known as cholecalciferol, is a lipid soluble vitamin.Vitamin D (VD) has tremendous array of functions in the body; especially it plays a vital role in the PAIN-PRO health of the skeletal tissues.It strictly cannot be regarded as a vitamin since a substantial amount of the vitamin can be produced by the effect of sunlight on the skin.The
Abstract Bovine embryonic stem cells (bESCs) extend the lifespan of the transient pluripotent bovine inner cell mass in vitro.After years of research, derivation of stable bESCs was only recently Toggle reported.Although successful, bESC culture relies on complex culture conditions that require a custom-made base medium and mouse embryonic fibrobla
The subject.For many years, Georgia, Moldova and Russia were part of the same state, which a priori indicates the existence of a similar legal system.Despite the positive experience of the European Economic Community, the trends that the USSR faced at the end of the XX century were reversed: the former republics gained independence and started to f