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Dr. Dinesh Prasad Saklani is the director of NCERT since 2022. [2] In 2023, NCERT constituted a 19-member committee, including author and Infosys Foundation chair Sudha Murthy, singer Shankar Mahadevan, and Manjul Bhargava to finalize the curriculum, textbooks and learning material for classes 3 to 12. [4]
An acousto-optic modulator (AOM), also called a Bragg cell or an acousto-optic deflector (AOD), uses the acousto-optic effect to diffract and shift the frequency of light using sound waves (usually at radio-frequency). They are used in lasers for Q-switching, telecommunications for signal modulation, and in spectroscopy for frequency control.
During the first decades, the UAOD kept the same emblem as the AOD (a shield with three oaks surrounded by a Celtic warrior and a druid), changing the motto to united to assist. Very soon, the UAOD proved to be a great success and many of its members travelling abroad created new lodges in United States of America (1839), Australia (1851), New ...
Argonoxygen decarburization (AOD) is a process primarily used in stainless steel making and other high grade alloys with oxidizable elements such as chromium and aluminium. After initial melting the metal is then transferred to an AOD vessel where it will be subjected to three steps of refining; decarburization , reduction , and desulfurization .
Radio broadcasting was initiated in 1927 but became state responsibility only in 1930. [12] In 1947 it was given the name All India Radio and since 1957 it has been called Akashvani. [12] Limited duration of television programming began in 1959, and complete broadcasting followed in 1965. [12]
Object/Class: A tight coupling or association of data structures with the methods or functions that act on the data. This is called a class, or object (an object is created based on a class). Each object serves a separate function. It is defined by its properties, what it is and what it can do.
Twelve-step programs are international mutual aid programs supporting recovery from substance addictions, behavioral addictions and compulsions.Developed in the 1930s, the first twelve-step program, Alcoholics Anonymous (AA), founded by Bill Wilson and Bob Smith, aided its membership to overcome alcoholism. [1]
[12] Based on this rationale, the risks associated with amniocentesis, and the limited indications, performing amniocenteses for assessing fetal lung maturity may become obsolete except in instances where gestational age is unknown. [9]