权威例句
pitchblendePitchblendePitchblendePitchblende and galena ages in the Alligator Rivers region, Northern Territory, AustraliaSTUDIES OF RADIOACTIVE COMPOUNDS. IV. PITCHBLENDE FROM LAKE ATHABASKA, CANADAThe Isotopes of Xenon and Krypton in Pitchblende and the Spontaneous Fission of U238Search for Elements 94 and 93 in Nature. Presence of 94239in PitchblendeSearch for elements 94 and 93 in nature; presence of 94239 in PitchblendeThe ratio of induced fission vs. spontaneous fission in pitchblende and natural occurrence of radiochlorine ☆Precise determination of the natural abundance of 237 Np and 239 Pu in Katanga pitchblende ☆U-Pb ages of ferberite, chalcedony, agate, 'U-mica' and pitchblende: constraints on the mineralization history of the Schwarzwald or...Mineral chemistry and oxygen isotopic analyses of uraninite, pitchblende and uranium alteration minerals from the Cigar Lake deposit...Geochronology of the Shazijiang Uranium Ore Deposit,Northern Guangxi,China:U-Pb Ages of Pitchblende and Their Geological Significance
