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  2. Johansson Mikrokator - Wikipedia

    en.wikipedia.org/wiki/Johansson_Mikrokator

    Mikrokator 509–4 C.E Johansson Eskilstuna Sweden. A Johansson Mikrokator (also called Abramson's movement) is a mechanical comparator used to obtain mechanical magnification of the difference in length as compared to a standard.

  3. Rakesh Kumar Jain - Wikipedia

    en.wikipedia.org/wiki/Rakesh_Kumar_Jain

    Rakesh Kumar Jain (born 24 December 1957) is an Indian virologist and the former head and coordinator of the Microbial Type Culture Collection (MTCC), [1] a national research centre located at the Institute of Microbial Technology campus. [2] He is known for his research in virology.

  4. Rakesh Jain - Wikipedia

    en.wikipedia.org/wiki/Rakesh_Jain

    Jain received his bachelor's degree in 1972 from IIT Kanpur, and his MS and PhD degrees in 1974 and 1976 from the University of Delaware, all in chemical engineering.He served as assistant professor of chemical engineering at Columbia University (1976 to 1978), and as assistant (1978–79), associate (1979–83) and full professor (1983-1991) of chemical engineering at Carnegie Mellon University.

  5. National Physical Laboratory of India - Wikipedia

    en.wikipedia.org/wiki/National_Physical...

    Conducting Research: NPL conducts research in various fields of physics, including metrology, materials science, and nanotechnology. Providing Calibration and Testing Services: NPL offers calibration and testing services to industries and other organizations to help them maintain product quality and comply with regulatory standards.

  6. Barak Missile scandal - Wikipedia

    en.wikipedia.org/wiki/Barak_Missile_scandal

    The Barak Missile scandal was a case of alleged defence corruption relating to the purchase of Barak 1 Missile Systems by India. The Central Bureau of Investigation (CBI) investigated the case and several people including R. K. Jain, former treasurer of the Samata Party were arrested. [1]

  7. Surface roughness - Wikipedia

    en.wikipedia.org/wiki/Surface_roughness

    If these deviations are large, the surface is rough; if they are small, the surface is smooth. In surface metrology, roughness is typically considered to be the high-frequency, short-wavelength component of a measured surface. However, in practice it is often necessary to know both the amplitude and frequency to ensure that a surface is fit for ...

  8. List of Indian inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Indian_inventions...

    Download as PDF; Printable version ... Jain texts define five different types of infinity – the infinite in ... Shearing interferometer – Invented by M.V.R.K ...

  9. Rajpal Singh Sirohi - Wikipedia

    en.wikipedia.org/wiki/Rajpal_singh_sirohi

    Rajpal Singh Sirohi (born 7 April 1943) is an Indian optics physicist, academic administrator, educator, and researcher in optical metrology. He is the former Director of IIT Delhi and Vice Chancellor of several universities.