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cis-1,2-disub. alkenes 1660 medium trans-1,2-disub. alkenes 1675 medium trisub., tetrasub. alkenes 1670 weak conjugated C═C dienes 1600 strong 1650 strong with benzene ring 1625 strong with C═O 1600 strong C═C (both sp 2) any 1640–1680 medium aromatic C═C any 1450 weak to strong (usually 3 or 4) 1500 1580 1600 C≡C terminal alkynes
A fragmented part of the 'window' spectrum (one might say a louvred part of the 'window') can also be seen in the visible to mid-wavelength infrared between 0.2 and 5.5 μm. The infrared atmospheric window is an atmospheric window in the infrared spectrum where there is relatively little absorption of terrestrial thermal radiation by ...
The rial (Persian: ریال ایران, romanized: riyâl-è Irân; abbreviation: Rl (singular) and Rls (plural) [15] [16] or IR [17] in Latin; ISO code: IRR) is the official currency of Iran. It is subdivided into 100 dinars , but due to the rial's low purchasing power the dinar is not practically used.
7.62×51mm NATO Ball (Ball M80) at 30 meters with velocity 833 m/s [1] [2] 5.56×45mm NATO Ball (SS109) at 30 meters with a velocity of 900 m/s 5.56×45mm NATO Ball (M193) at 30 meters with a velocity of 937 m/s Protection against all three threats must be provided.
Cyclooctadiene iridium chloride dimer is an organoiridium compound with the formula [Ir(μ 2-Cl)(COD)] 2, where COD is the diene 1,5-cyclooctadiene (C 8 H 12). It is an orange-red solid that is soluble in organic solvents. The complex is used as a precursor to other iridium complexes, some of which are used in homogeneous catalysis. [1]
[7] [8] Musk has suggested that the commission could help to cut the U.S. federal budget by up to US$2 trillion through measures such as reducing waste, abolishing redundant agencies, and downsizing the federal workforce. Ramaswamy also stated that DOGE may eliminate entire federal agencies and reduce the number of federal employees by as much ...
The Dallara IR-7, and its evolutions, the Dallara IR-8 and Dallara IR-9, are open-wheel formula racing cars, designed, developed, and produced by Italian manufacturer Dallara for use in the IndyCar Series, between 1997 and 1999.
Right side of a T-62 tank showing the large L-2 Luna IR spotlight similar to the upgraded PT-85 tank. Early examples of the Model 1981 "Shin'heung" tank have shown a 9M14 Malyutka (AT-3 "Sagger") anti-tank guided missile installed on top of the turret directly above the main gun, and with two lights on the front of either side of the hull. [2]