emil kohain

emil wilheim kohain (12 octuber 1842-13 aprail 1905) ack german khanij vigyaani aur petrographer they, jinka janm jutland mein huaa thaa.
peshevar jeevan.
kohain ney berlin aur headleberg key vishvavidyalayon mein adhyayan kiya aur 1867 seey 1872 taka way baad vaale mein khanij vigyaan sahayak they. isake baad unhone dakshin africa mein 18 maheene bitaaye, jahan unhone heere aur soney key bhandar kaa adhyayan kiya.
kohain ney apane agale varshon koo khanij vigyaan aur apane african anveshanon key vivaran kaa masauda taiyar karane key liye samarpit kiya. apane "samlung wonn microphotographine jurr veranshaulichung dair microscopician structure wonn mineraline und gestinen" key madhyam seey, unhone aadhunik petrography kii sthaapana kii.
1878 mein kohain strasberg mein petrography key professor aur alses aur lorren key liye bhoovaigyaanik sarvekshan key nideshak baney. 1885 mein unhein graphswald vishvavidyalaya mein khanij vigyaan kaa professor banaaya gayaa. vahaan unhone ulkapindon parr kaam shuru kiya, joe lohe key ulkapindon aur unake sahayak khanijon key petrography kaa varnan karane vaale pahale khanijavidon mein seey ack they. heere kaa pataa lagaane key alawa, unhone vahaan ack lauh carbide khanij koo alag kiya aur uska vishleshan kiya, jise baad mein unake liye cohenite naam diyaa gayaa.

