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2. The best early Labor Day sales, from Amazon to Zappos - AOL

   www.aol.com/lifestyle/the-best-early-labor-day...

   6-Cube Storage Organizer. $25 $35. Save $10. ... This duvet insert is a great option for allergy sufferers, made of the same material as the brand's down alternative pillow. ... a 4.2-quart ...

3. Technetium-99m generator - Wikipedia

   en.wikipedia.org/wiki/Technetium-99m_generator

   A technetium-99m generator, or colloquially a technetium cow or moly cow, is a device used to extract the metastable isotope 99m Tc of technetium from a decaying sample of molybdenum-99. 99 Mo has a half-life of 66 hours [1] and can be easily transported over long distances to hospitals where its decay product technetium-99m (with a half-life ...

4. Online analytical processing - Wikipedia

   en.wikipedia.org/wiki/Online_analytical_processing

   Online analytical processing. In computing, online analytical processing, or OLAP (/ ˈoʊlæp /), is an approach to quickly answer multi-dimensional analytical (MDA) queries. [1] The term OLAP was created as a slight modification of the traditional database term online transaction processing (OLTP). [2] OLAP is part of the broader category of ...

5. 2–3–4 tree - Wikipedia

   en.wikipedia.org/wiki/2–3–4_tree

   Space complexity. Space. O (n) O (n) In computer science, a 2–3–4 tree (also called a 2–4 tree) is a self-balancing data structure that can be used to implement dictionaries. The numbers mean a tree where every node with children ( internal node) has either two, three, or four child nodes: a 2-node has one data element, and if internal ...

6. PH-tree - Wikipedia

   en.wikipedia.org/wiki/PH-tree

   O ( n) The PH-tree [1] is a tree data structure used for spatial indexing of multi-dimensional data (keys) such as geographical coordinates, points, feature vectors, rectangles or bounding boxes. The PH-tree is space partitioning index [2] with a structure similar to that of a quadtree or octree. [3] However, unlike quadtrees, it uses a ...

7. Depleted uranium - Wikipedia

   en.wikipedia.org/wiki/Depleted_uranium

   [3] [4] Normal functioning of the kidney, brain, liver, heart, and numerous other systems can be affected by exposure to uranium, a toxic metal. [5] It is only weakly radioactive because of the long radioactive half-life of 238 U (4.468 × 10 9 or 4,468,000,000 years) and the low amounts of 234 U (half-life about 246,000 years) and 235 U (half ...