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  2. Sanity check - Wikipedia

    en.wikipedia.org/wiki/Sanity_check

    Dimensional analysis may be used as a sanity check of physical equations: the two sides of any equation must be commensurable or have the same dimensions. A person who has calculated the power output of a car to be 700 kJ may have omitted a factor, since the unit joules is a measure of energy, not power (energy per unit time).

  3. Chemical engineering - Wikipedia

    en.wikipedia.org/wiki/Chemical_engineering

    Chemical engineers use chemistry and engineering to turn raw materials into usable products, such as medicine, petrochemicals, and plastics on a large-scale, industrial setting. They are also involved in waste management and research. [31] [32] Both applied and research facets could make extensive use of computers. [29]

  4. List of academic databases and search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_academic_databases...

    Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is available. This list focuses on general-purpose services; OpenDOAR can be used to find thousands of open-access repositories. The table is sorted by the number of works for which full-text is made available.

  5. Outline of chemical engineering - Wikipedia

    en.wikipedia.org/.../Outline_of_chemical_engineering

    The following outline is provided as an overview of and topical guide to chemical engineering: . Chemical engineering – deals with the application of physical science (e.g., chemistry and physics), and life sciences (e.g., biology, [[microbi logy]] and biochemistry) with mathematics and economics, to the process of converting raw materials or chemicals into more useful or valuable forms.

  6. Sanitation - Wikipedia

    en.wikipedia.org/wiki/Sanitation

    Commonly used indicators for bacteriological water analysis include the bacterium Escherichia coli (abbreviated as E. coli) and non-specific fecal coliforms. With regards to samples of soil , sewage sludge , biosolids or fecal matter from dry toilets , helminth eggs are a commonly used indicator.

  7. 5 Expensive Vacation Destinations That Will Be Cheaper in 2025

    www.aol.com/finance/5-expensive-vacation...

    Going on a vacation is exciting. You get to see new cities, embrace different cultures and explore the world. However, it’s getting more exciting for some of the expensive vacation destinations ...

  8. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    Depending upon site application and use, these vertical pipes can be cylindrical, eccentric, or concentric. The manholes are used for access to the sewer pipes for inspection and maintenance, and as a means to vent sewer gases. They also facilitate vertical and horizontal angles in otherwise straight pipelines. [4]

  9. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

    www.aol.com/vitamins-expire-nutritionists-weigh...

    When you buy a bottle of vitamins from a nutrition store, you’ll probably notice a best-by date on the bottom of the jar. But that inscribed number isn’t a hard-and-fast rule—there is some ...