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2. Union Pacific Challenger - Wikipedia

   en.wikipedia.org/wiki/Union_Pacific_Challenger

   Factor of adh. The Union Pacific Challengers are a type of simple articulated 4-6-6-4 steam locomotive built by American Locomotive Company (ALCO) from 1936 to 1944 and operated by the Union Pacific Railroad until the late 1950s. A total of 105 Challengers were built in five classes. They were nearly 122 ft (37 m) long and weighed 537 short ...

3. Controlled-release fertiliser - Wikipedia

   en.wikipedia.org/wiki/Controlled-release_fertiliser

   A controlled-release fertiliser (CRF) is a granulated fertiliser that releases nutrients gradually into the soil (i.e., with a controlled release period). [2] Controlled-release fertilizer is also known as controlled-availability fertilizer, delayed-release fertilizer, metered-release fertilizer, or slow-acting fertilizer.

4. Category:4-6-4 locomotives - Wikipedia

   en.wikipedia.org/wiki/Category:4-6-4_locomotives

   Category:4-6-4 locomotives. Category. : 4-6-4 locomotives. Wikimedia Commons has media related to 4-6-4 locomotives. Locomotives classified 4-6-4 under the Whyte notation of locomotive axle arrangements. The equivalent UIC classification of locomotive axle arrangements is 2C2 or 2'C2'.

5. Santa Fe class 3460 - Wikipedia

   en.wikipedia.org/wiki/Santa_Fe_class_3460

   The Atchison, Topeka and Santa Fe Railway 's 3460 class comprised six 4-6-4 "Super Hudson" type steam locomotives built in 1937 by the Baldwin Locomotive Works for service between La Junta, Colorado and Chicago, Illinois, a fairly flat division of the railroad suited for the 4-6-4 type. They were substantially larger than the road's earlier ...

6. 4-6-6-4 - Wikipedia

   en.wikipedia.org/wiki/4-6-6-4

   Union Pacific Challenger No. 3985 is an example of a 4-6-6-4 locomotive. In the Whyte notation for classifying steam locomotives by wheel arrangement, a 4-6-6-4 is a railroad steam locomotive that has four leading wheels followed by two sets of six coupled driving wheels and four trailing wheels. 4-6-6-4's are commonly known as Challengers. [ 1 ]

7. Modified-release dosage - Wikipedia

   en.wikipedia.org/wiki/Modified-release_dosage

   Modified-release dosage. Modified-release dosage is a mechanism that (in contrast to immediate-release dosage) delivers a drug with a delay after its administration (delayed-release dosage) or for a prolonged period of time (extended-release [ER, XR, XL] dosage) or to a specific target in the body (targeted-release dosage). [1]