Under the grid management framework for railway lines, each rail grid consists of several adjacent steel rails. The degradation processes of the steel rails within a grid are characterized by common-m
USD: US Dollars; TB: Tuberculosis; DOT: Directly Observed Therapy; 6EH: Six-month regimen of isoniazid plus ethambutol; 36H: Three-year regimen of isoniazid; 3RH: Three-month regimen of isoniazid plus
Background Nonpharmacological interventions, such as personal protective equipment for example, surgical masks and respirators, and maintenance of hand hygiene along with COVID-19 vaccines have been r
