In Deep Memory of Comrade Lü Ji
Rate of nosocomial infection
Rate of Non-standard Plate
rate of non-occupied time
Rate of non-iodine salt
Rate of nitrogen uptake
rate of nitrogen mineralization
rate of nitrogen fertilizer combination
Rate of nitrogen fertilizer application
rate of nitrogen decomposition
rate of net profit to the sales
rate of net photosynthesis
rate of nitrogen losses
Rate of need for hospitalization