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Ration card (India) Ration cards are an official document issued by state governments in India to households that are eligible to purchase subsidised food grain from the Public Distribution System under the National Food Security Act (NFSA). They also serve as a common form of identification for many Indians.
E/A ratio. The E/A ratio is a marker of the function of the left ventricle of the heart. It represents the ratio of peak velocity blood flow from left ventricular relaxation in early diastole (the E wave) to peak velocity flow in late diastole caused by atrial contraction (the A wave). [ 1] It is calculated using Doppler echocardiography, an ...
Rationing is the controlled distribution of scarce resources, goods, or services, or an artificial restriction of demand. Rationing controls the size of the ration, which is one person's allotted portion of the resources being distributed on a particular day or at a particular time. Rationing in the United States was introduced in stages during ...
Calculus. In mathematics, the ratio test is a test (or "criterion") for the convergence of a series. where each term is a real or complex number and an is nonzero when n is large. The test was first published by Jean le Rond d'Alembert and is sometimes known as d'Alembert's ratio test or as the Cauchy ratio test.
Humanitarian daily ration. Humanitarian daily rations ( HDRs, "humrats") are food rations manufactured in the United States intended to be supplied to civilians and other non-military personnel in humanitarian crises. [ 1][ 2] Each is intended to serve as a single person's full daily food supply, and contains somewhat over 2,200 calories (9,200 ...
In contrast, lossy compression (e.g. JPEG for images, or MP3 and Opus for audio) can achieve much higher compression ratios at the cost of a decrease in quality, such as Bluetooth audio streaming, as visual or audio compression artifacts from loss of important information are introduced.
10-in-1 food parcel. The 10-in-1 food parcel, commonly known as the 10-in-1 ration, was a United States military ration issued during World War II. As its name implies, the 10-in-1 provided the needs of ten soldiers in a single ration package.
The total dependency ratio is the total numbers of the children (ages 0–14) and elderly (ages 65+) populations per 100 people of adults (ages 15–64). A high total dependency ratio indicates that the adult population and the overall economy face a greater burden to support and provide social services for youth and elderly persons, who are often economically dependent.