Bionics is a subject which can interact with many disciplines including the drilling engineering.On the basis of analyzing the properties of bionic non-smooth surface, the non-smooth theory is applied in the bit design to develop the bionic diamond bit.The dung beetle is selected as bionic prototype in this paper to design the working layer of an i
Abstract South America, once an epicenter of COVID-19, has stayed on the road of continued management of the pandemic.The region initially struggled to cope with the pandemic as Shirt it experienced spiraling numbers of infections and overwhelmed public health systems.South America has risen in its pandemic response to be the region with the highes
Many animals use a diverse repertoire of complex acoustic signals to convey different types of information to other animals.The information in each vocalization therefore must be coded by neurons in the auditory system.One way in which the auditory system may discriminate among different vocalizations is by having highly selective neurons, where on
The use of extracorporeal membrane oxygenation (ECMO) is Pillboxes an important issue for intensivists, critical care nurses, surgeons, cardiologists, and many others.There has been a continued increase in the number of centres performing ECMO.This review examines novel applications and recent trends in the use of ECMO over the last 2 years.These i