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  2. Explosives shipping classification system - Wikipedia

    en.wikipedia.org/wiki/Explosives_shipping...

    Series 5 tests are used to determine if an article can be assigned to HD1.5 'Very Insensitive Explosive'; series 6 tests are used to determine the classification of an article within Hazard Divisions 1.1, 1.2, 1.3, or 1.4; and series 7 tests are used to determine if an article can be assigned to HD 1.6 as an article containing predominantly ...

  3. HAZMAT Class 1 Explosives - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_1_Explosives

    US Army trucks laden with ammunition, displaying a Class 1.1D Explosives placard on the front.. Hazmat Class 1 are explosive materials which are any substance or article, including a device, which is designed to function by explosion or which, by chemical reaction within itself is able to function in a similar manner even if not designed to function by explosion.

  4. List of EC numbers (EC 1) - Wikipedia

    en.wikipedia.org/wiki/List_of_EC_numbers_(EC_1)

    6.4 EC 1.6.4 With a disulfide as acceptor (deleted sub-class) ... EC 1.1.2.10: lanthanide-dependent methanol dehydrogenase * *No Wikipedia article.

  5. 1.1.1-Propellane - Wikipedia

    en.wikipedia.org/wiki/1.1.1-Propellane

    The synthesis commences with cyclopropanation of 1,1-bis(chloromethyl)ethylene, [4] according to the following scheme: Scheme 1. Synthesis of [1.1.1]propellane. Synthesis begins with conversion of the 1,3-di-carboxylic acid of bicyclo[1.1.1]pentane 1 in a Hunsdiecker reaction to the corresponding dibromide 2 followed by a coupling reaction with ...

  6. Order of magnitude - Wikipedia

    en.wikipedia.org/wiki/Order_of_magnitude

    Differences in order of magnitude can be measured on a base-10 logarithmic scale in "decades" (i.e., factors of ten). [2] For example, there is one order of magnitude between 2 and 20, and two orders of magnitude between 2 and 200. Each division or multiplication by 10 is called an order of magnitude. [3]

  7. 1,10-Phenanthroline - Wikipedia

    en.wikipedia.org/wiki/1,10-Phenanthroline

    1,10-Phenanthroline (phen) is a heterocyclic organic compound. It is a white solid that is soluble in organic solvents. The 1,10 refer to the location of the nitrogen atoms that replace CH's in the hydrocarbon called phenanthrene. Abbreviated "phen", it is used as a ligand in coordination chemistry, forming strong complexes with most metal ions.

  8. One-to-one computing - Wikipedia

    en.wikipedia.org/wiki/One-to-one_computing

    One-to-one computing used to be contrasted with a policy of "bring your own device" (BYOD), which encourages or requires students to use their own laptops, smartphones or other electronic devices in class. The distinction between BYOD and school-issued devices became blurred when many schools started recommending devices for parents to buy ...

  9. Googolplex - Wikipedia

    en.wikipedia.org/wiki/Googolplex

    If each book had a mass of 100 grams, all of them would have a total mass of 10 93 kilograms. In comparison, Earth's mass is 5.97 × 10 24 kilograms, [5] the mass of the Milky Way galaxy is estimated at 1.8 × 10 42 kilograms, [6] and the total mass of all the stars in the observable universe is estimated at 2 × 10 52 kg. [7]