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Learning Commons inside the library of Tec de Monterrey, Mexico City. Learning commons, also known as scholars' commons, information commons or digital commons, are learning spaces, [1] [2] similar to libraries and classrooms that share space for information technology, remote or online education, tutoring, [3] [4] collaboration, content creation, meetings, socialization, playing games and ...
The HP LaserJet 5 is a group of monochrome laser printers produced in the mid-1990s as part of the LaserJet series by Hewlett-Packard (HP). [1] It is the successor to the HP LaserJet 4 series of printers. After the LaserJet 5 series, however, HP introduced a new naming convention for its LaserJet line.
The Quadruplex was to comprise three articulated engines of 8 driving wheels each beneath the locomotive itself, and a fourth engine beneath the tender.As a compound locomotive, engine cylinders 7 and 9 (as numbered on the above image) would receive high pressure steam to drive the first and third engines, each would exhaust as low-pressure steam to power cylinders 8 and 10 on the second and ...
The 2-8-8-8-4 was considered unsuccessful because it only made a maximum speed of 4.8–8.0 km/h (3–5 mph) and had high maintenance costs. The XA was sent back to Baldwin Locomotive Works where it was taken apart in 1920 and converted into a 2-8-8-0 and a 2-8-2. These two engines were in service until 1953. [3]
HP 39/40 series are graphing calculators from Hewlett-Packard, the successors of HP 38G. The series consists of six calculators, which all have algebraic entry modes, and can perform numeric analysis together with varying degrees of symbolic calculation.
HP LaserJet 4. The HP LaserJet 4 (abbreviated sometimes to LJ4 or HP4) is a group of monochrome laser printers produced in the early to mid-1990s as part of the LaserJet series by Hewlett-Packard (HP). The 4 series has various models, including the standard LaserJet 4 for business use, the 4L for personal use and the 4P for small businesses. [1]
On September 14, 2009, HP launched two new MediaSmart servers. The EX490 comes with 1 TB of hard disk storage and costs $549, while the EX495 comes with 1.5 TB and costs $699 both 7200 rpm. The 490 comes with an Intel Celeron Processor 2.2 GHz and the 495 with an Intel Pentium Processor Dual Core 2.5 GHz. [7]
This produces 2,4,6-trichlorobenzoic acid, which can then be refluxed in thionyl chloride to form 2,4,6-trichlorobenzoyl chloride. [ 4 ] Since 2,4,6-trichlorobenzoic acid is produced as a by product of the Yamaguchi esterification process, it can be refluxed again to recreate 2,4,6-trichlorobenzoyl chloride.