Detecting and controlling the diffusion of infectious diseases such as COVID-19 is crucial to managing epidemics.One common measure taken to contain or reduce diffusion is to detect infected individuals and trace their prior contacts so as to then selectively benwa-balls isolate any individuals likely to have been infected.These prior contacts can
Sub-Saharan Africa falls among the developing countries with poor standards of living contributing to the high prevalence of malnutrition.Interventions have been conducted, but malnutrition continues to linger, with devastating impacts on vulnerable groups.In Africa, 90% of USB Type C its children cannot access the minimum balanced diet.Also, 60% o
The radial jet drilling (RJD) is a key technology to improve the development efficiency of low-permeability oil and gas resources.In order to seek a reasonable hydraulic engineering parameter combination of hydraulic radial jet drilling, to obtain the optimal hydraulic energy distribution, a jet radial horizontal drilling simulation experiment syst