element 105造句

例句与造句

1. Element 105 : joliotium; changed from hahnium.
2. In May 1970, the first paper discussing chemical examination and confirmation of the supposed element 105 was published in Dubna.
3. The former activity was assigned to 242mf Am; the latter one was described as having been caused by an isotope of element 105.
4. In addition, they claimed the Dubna team was able to undoubtedly demonstrate the synthesis of element 105 no earlier than a year after they did.
5. The American team in 1997 proposed the name " hahnium " after Otto Hahn ( previously this name had been used for element 105 ).
6. It's difficult to find element 105 in a sentence. 用element 105造句挺难的
7. The Soviet team did not hurry to suggest a new name for element 105, stating it was more fundamental to first determine the discoverers of the element.
8. The Russians would name element 105 dubnium, after their laboratory; 107 would be called bohrium, for Neils Bohr, the Nobelist and founder of the fields of quantum mechanics.
9. Element 105 did not extract and its behavior resembled niobium more closely than tantalum, indicating that details of complexing behavior cannot be predicted based only on simple extrapolations of trends within a group in the periodic table.
10. A number of elementary particles and 117th element ) have been discovered and investigated there, leading to the honorary naming of chemical element 105 dubnium ( "'Db "') for the town.
11. The German team joined with the Soviet team in that it suggested the name " nielsbohrium " for the new element, believing Bohr did deserve an element named after him, and hoping to ease the tension on the element 105 controversy.
12. Dropped from the union's previous list of provisional names are " joliotium " for Element 105, for the French physicist Frederick Joliot-Curie, and " hahnium " for Element 108, honoring the German physicist Otto Hahn.
13. The idea that the latter activity could come from a transfer reaction and thus not be from element 105 was said to be diminished by the fact that the yield ratio for this reaction was lower than that of the 242mf Am-producing transfer reaction.
14. His original name for element 105 ( hahnium ) was changed by the International Union of Pure and Applied Chemistry ( IUPAC ) to dubnium, to recognize the contributions of the laboratory at Dubna, Russia, in the search for trans-fermium elements.
15. The thermal gradient version of the gas-chromatography method was applied to demonstrate that the chloride of what formed the SF activity in the aforementioned work nearly agreed with that of NbCl 5, rather than HfCl 4 : therefore, this directed to an assignment to element 105.
16. Element 105 showed a behavior unlike tantanum at concentrations of HCl below 12 HBr into diisobutyl carbinol ( 2, 6-dimethylheptan-4-ol ), a specific extractant for protactinium, with subsequent elutions with mixed HCl / HF and HCl, the obtained extraction sequence Pa > Nb > Db was determined.
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