radium bromide造句

• Radium bromide was found to induce phosphorescence at normal temperatures.
• Radium bromide ( RaBr 2 ) is also a colorless, luminous compound.
• There, she studied the effect of radium bromide on cancerous tumors in rats.
• This was the reason radium bromide became one of the most expensive materials on earth.
• The ionizing radiation emitted by radium bromide excites nitrogen molecules in the air, making it glow.
• Soon after the delivery of his 1904 address, some radium bromide was made available to Bragg for experimentation.
• The refinery could produce about 5 milligrammes of radium bromide from a ton of ore, worth ?0 per milligramme in 1912.
• The alpha particles emitted by radium quickly gain two electrons to become neutral helium, with builds up inside and weakens radium bromide crystals.
• This relative large amount made it possible for Otto H鰊igschmid to determine the molecular mass of radium using 1.5 g of radium bromide.
• Rutherford used alpha particles emitted by radium bromide to infer that J . J . Thomson's Plum pudding model of the atom was fundamentally flawed.
• Radium salts, including radium bromide, were most often used by placing the chemical in a tube that was then passed over or inserted into the problem site or tissue in the body.
• The radium bromide was used for research in the emerging fields of radiation and radioactivity and some of the Hunter's Hill radium was sold to pioneering nuclear researchers Ernest Rutherford and Marie Curie.
• Radium chloride can also be prepared by heating radium bromide in a flow of dry hydrogen chloride gas, or by dehydrating radium sulfate with dry air and then heating the sulfate in a stream of hydrogen chloride.
• Ore concentrate was transferred to refineries in New South Wales and Hunter's Hill in New South Wales to produce radium compounds . 350 milligrams of radium bromide ( RaBr 2 ) and 150 kg of uranium were produced.
• The company also built a treatment plant in 1923 at Dry Creek near Adelaide to produce radium bromide for medical applications from the Radium Hill ore, however this proved to be uneconomic and both sites had ceased operations by 1932.
• "With regard to the heat rays, the emanations of there from a tube of radium bromide, which had previously photographed itself on a photographic plate in the dark room, was shown by Bunsen's Ice Calorimeter, which instrument not only proves that heat is given out continuously by the salt, but measures accurately the amount generated.