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Cyclopentadienyltungsten tricarbonyl dimer ((C 5 H 5.) 2 W 2 (CO) 6) is produced from W(CO) 6. Treatment of tungsten hexacarbonyl with sodium cyclopentadienide followed by oxidation of the resulting NaW(CO) 3 (C 5 H 5) gives cyclopentadienyltungsten tricarbonyl dimer. [5] One derivative is the dihydrogen complex W(CO) 3 [P(C 6 H 11) 3] 2 (H 2). [2]
This file is in the public domain because it comes from the Manual on Uniform Traffic Control Devices, sign number W6-2, which states specifically on page I-1 that: Any traffic control device design or application provision contained in this Manual shall be considered to be in the public domain.
The Chesapeake and Ohio Railway (C&O) [875-894, later 1520-1539] and Wheeling and Lake Erie Railway (W&LE) [8001-8010] ordered the USRA 2-6-6-2 Mallet. The first Mallet was delivered to the W&LE in 1919 for $71,966.94. Later, the Nickel Plate Road (NKP) leased them from the W&LE, renumbering them for use on its rails. The independently pivoted ...
Ü (lowercase ü) is a Latin script character composed of the letter U and the diaeresis diacritical mark. In some alphabets such as those of a number of Romance languages or Guarani it denotes an instance of regular U to be construed in isolation from adjacent characters with which it would usually form a larger unit; other alphabets like the Azerbaijani, Estonian, German, Hungarian and ...
The W66 thermonuclear warhead was used on the Sprint anti-ballistic missile system, designed to be a short-range interceptor to shoot down incoming ICBM warheads. [1]The W66 had a yield of 2 kilotonnes of TNT (8.4 TJ) [2] and was an enhanced radiation ("neutron") weapon.
6/2 may refer to: Volleyball#6–2, a volleyball formation; 6–2 defense, in American football; June 2 (month-day date notation) February 6 (day-month date notation)
German submarine U-66 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. [1] The submarine was laid down on 20 March 1940 at the AG Weser yard at Bremen, launched on 10 October and commissioned on 2 January 1941 under the command of Kapitänleutnant Richard Zapp as part of the 2nd U-boat Flotilla.
Well-insulated floors: 0.2 W/(m 2 ⋅K) Poorly insulated floors: 1.0 W/(m 2 ⋅K) In practice the thermal transmittance is strongly affected by the quality of workmanship and if insulation is fitted poorly, the thermal transmittance can be considerably higher than if insulation is fitted well [ 3 ]