| 单词 | molybdenum blue |
| 释义 | > as lemmasmolybdenum blue molybdenum blue n. a complex oxide or mixture of oxides of pentavalent or hexavalent molybdenum with a strong blue colour that is produced, usually as a colloidal solution, when an acidic solution of a molybdate is reduced, and is used in chemical analysis and occasionally as a dye; (also) the colour of this substance. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > molybdenum > [noun] > compounds molybdenum blue1901 1901 Jrnl. Chem. Soc. 80 ii. 163 Molybdenum blue does not appear to contain the dioxide, MoO2,..but the semipentoxide, Mo2O5. 1951 Amer. Mineralogist 36 610 Ilsemannite is soluble in water, first producing a greenish blue solution which later deepens to a typical molybdenum blue. 1965 D. Abbott Inorg. Chem. xii. 642 Molybdenum ‘blue’ is an oxide formed when an acidified molybdate solution is greatly reduced. It has variable composition, usually about 67–68 per cent Mo. 1996 Chem. in Brit. Sept. 20/1 The complex commonly known as molybdenum blue is a cyclic cluster of 154 molybdenum atoms with attendant ligands. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。