ruthenium


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ruthenium

 [roo-the´ne-um]
a chemical element, atomic number 44, atomic weight 101.07, symbol Ru. (See Appendix 6.)

ru·the·ni·um (Ru),

(rū-thē'nē-ŭm),
A metallic element of the platinum group; atomic no. 44, atomic wt. 101.07; 106Ru, with a half-life of 1.020 years, has been used in the treatment of certain eye problems.
[Mediev. L. Ruthenia, Russia, where first obtained]

ruthenium

/ru·the·ni·um/ (roo-the´ne-um) a chemical element, at. no. 44, symbol Ru.

ruthenium (Ru)

[ro̅o̅thē′nē·əm]
Etymology: Ruthenia, region of western Ukraine
a hard, brittle, metallic element. Its atomic number is 44, and its atomic mass is 101.07.

ru·the·ni·um

(rū-thē'nē-ŭm)
A metallic element of the platinum group; atomic no. 44, atomic wt. 101.07; 106Ru, with a half-life of 1.020 years, has been used in the treatment of certain eye problems.
[Mediev. L. Ruthenia, Russia, where first obtained]

ruthenium

a chemical element, atomic number 44, atomic weight 101.07, symbol Ru. See Table 6.
References in periodicals archive ?
The ruthenium material successfully developed here is a ruthenium precursor able to form a pure metal film even in a hydrogen atmosphere.
Chemical oxygen sensors commonly use fluorescence quenching of metal organic ruthenium complexes.
The dry residue had a reddish brown colour and was identified as a compound of ruthenium and iron.
The ruthenium complex dye was developed by Professor Chun-Guey Wu and post-doctoral researcher Chia-Yuan Chen at National Central University, Taiwan (No.
The ultra-thin ruthenium layer forces the adjacent layers to orient themselves magnetically in opposite directions.
Woodson, president of APT, says the ruthenium catalyst offers advantages over the molybdenum catalyst used in BFG's Telene technology.
Both are 16 by long and differ only at the ninth nucleotide (position 1691 of the factor V gene); both carry the ruthenium label at the 5' end.
Currently, expensive materials like iridium or ruthenium oxide are used to overcome the activation energy barrier for the electrolytic splitting of [H.
The source added that the pens have a two-tone 18-carat yellow gold nib covered in rhodium and ruthenium and the barrel is identical to Bentley's dashboard used in their earliest car.
When carrying out fire refining which is able to collect platinum group metals such as ruthenium, iridium and platinum at a high grade, ascertaining the behavior of the platinum group metals in relation to copper, which is collector metal (extracting agent), is a vital issue.
Subsequent chapters are devoted to targeting strategies for metal-based therapeutics, mechanisms of action and future developments in platinum-based anticancer drugs, and ruthenium and other non-platinum anticancer compounds.
1) announce the successful development of a recycling process for ruthenium precursors (CVD-ruthenium material) used in next generation semiconductor miniaturization technology.