grid ratio a ratio comparing the height of lead lines in an x-ray grid to the distance between the lead strips. inspiratory-expiratory ratio the ratio of the inspiratory time to the expiratory time during the breathing cycle.ignal-to-noise ratio the ratio between the amplitude of a signal being measured and that of the noise. urea excretion ratio the ratio of the amount of urea in the urine excreted in one hour to the amount in 100 ml of blood. The normal ratio is 50.
Bijak is the best known of the compilations of the compositions of Kabir, and as such is the holy scripture for followers of the Kabirpanthi religion.
According to Gerrit Jan Meulenbeld and Dominik Wujastyk, Chikitsa-sara-sangraha (c. late 11th century) by Vangasena is the earliest extant Indian text that features an uncontested mention of cannabis. Vangasena mentions bhanga as an appetiser and a digestive, and suggests it in two recipes for a long and happy life.