wander johannes de haas造句

• Physicist Wander Johannes de Haas served as conservator in the 1920s.
• It was discovered in 1930 by Wander Johannes de Haas and his student P . M . van Alphen.
• In 1926, at the recommendation of Abram Ioffe, he was sent to the Leiden cryogenic laboratory of Wander Johannes de Haas in the Netherlands; he worked there until 1930.
• Discoverer of the Prins reaction Hendrik Jacobus Prins, co-founders of particle spin Ralph Kronig, discoverer of Einstein de Haas effect Wander Johannes de Haas and discoverer of element Hafnium Dirk Coster, all were at some point the faculty members of the university.
• The Einstein de Haas effect or the " Richardson effect " ( after Owen Willans Richardson ), is a physical phenomenon delineated by Albert Einstein and Wander Johannes de Haas in the mid 1910s, that exposes a relationship between magnetism, angular momentum, and the spin of elementary particles.
• It also has many galleries that include the apparatus with which Heike Kamerlingh Onnes first liquefied helium ( in Leiden ), the electromagnet equipment used by Wander Johannes de Haas ( a Leiden physicist ) for his low-temperature research, and an example of the Leiden jar, among many other objects in the extensive collection.