Search results
Results from the WOW.Com Content Network
Marie Curie's birthplace, 16 Freta Street, Warsaw, Poland. Maria Salomea Skłodowska-Curie [a] (Polish: [ˈmarja salɔˈmɛa skwɔˈdɔfska kʲiˈri] ⓘ; née Skłodowska; 7 November 1867 – 4 July 1934), known simply as Marie Curie (/ ˈ k j ʊər i / KURE-ee; [1] French: [maʁi kyʁi]), was a Polish and naturalised-French physicist and chemist who conducted pioneering research on ...
An X-ray generator generally contains an X-ray tube to produce the X-rays. Possibly, radioisotopes can also be used to generate X-rays. [1]An X-ray tube is a simple vacuum tube that contains a cathode, which directs a stream of electrons into a vacuum, and an anode, which collects the electrons and is made of tungsten to evacuate the heat generated by the collision.
The hospital had a mobile X-ray car manufactured by Austins and purchased for £300. Installation of the X-ray equipment was assisted by Marie Curie and included water and electrical sources independent of the rest of the facility. The X-ray car was highly coveted; other hospitals in the area occasionally used it and the British military ...
Unprotected experiments in the U.S. in 1896 with an early X-ray tube (Crookes tube), when the dangers of radiation were largely unknown.[1]The history of radiation protection begins at the turn of the 19th and 20th centuries with the realization that ionizing radiation from natural and artificial sources can have harmful effects on living organisms.
Soon after the discovery of radium in 1898 by Pierre and Marie Curie, there was speculation in whether the radiation could be used for therapy in the same way as that from x-rays. The physiological effect of radium was first observed in 1900 by Otto Walkhoff , [ 23 ] and later confirmed by what famously known as the "Becquerel burn".
Marie Curie driving a "Little Curie " in 1915. Marie Curie, Nobel laureate in physics and chemistry, directs the Radium Institute when World War I breaks out in 1914. She equips a first van with X-ray equipment and goes to the site of the Battle of the Marne. The field hospital she takes care of becomes notable for the few deaths recorded.
The planar structure of benzene, an important cyclic aromatic hydrocarbon, was determined by Kathleen Lonsdale using X-ray crystallography. The nature of the chemical bonds had been a mystery for many years. Alongside Marjory Stephenson, Kathleen Lonsdale was one of the first two women to be elected a Fellow of The Royal Society.
The intended treatment for Norris was 35 Gy to be delivered by a linac machine to the whole of the central nervous system to be delivered in twenty equal fractions of 1.75 Gy, which was to be followed by 19.8 Gy to be delivered to the tumor only (in eleven fractions of 1.8 Gy). In the first phase of the treatment a 58% overdose occurred, and ...