Natural cytotoxicity receptors (NCRs), expressed by natural killer (NK) cells, trigger NK lysis of tumor and virus-infected cells on interaction with cell-surface ligands of these target cells.We have determined that viral Accessories hemagglutinins expressed on the surface of virus-infected cells are involved in the recognition by the NCRs, NKp44
As the main equipment of fully mechanized mining face in coal mine, the degree of automation and intelligence of roadheader is of great significance to realize intelligent rapid excavation of roadway.Accurate and robust measurement method of the body posture of roadheader is the premise of intelligent control of roadheader.Underground dust and wate
The food and beverage business has a strategic role in the economy and food security, where 90% of national food products are provided by SMEs.SMEs also control 99.9% of the industrial market, absorb 97% of the national workforce and contribute 60% to GDP.On the other hand, food and beverage SMEs have the lowest resistance to the COVID-19 pandemic,