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2. List of coordinate charts - Wikipedia

   en.wikipedia.org/wiki/List_of_coordinate_charts

   Coordinate charts are mathematical objects of topological manifolds, and they have multiple applications in theoretical and applied mathematics. When a differentiable structure and a metric are defined, greater structure exists, and this allows the definition of constructs such as integration and geodesics .

3. Polyoxymethylene - Wikipedia

   en.wikipedia.org/wiki/Polyoxymethylene

   Food industry: Food and Drug Administration has approved some grades of POM for milk pumps, coffee spigots, filter housings and food conveyors. [30] Furniture: hardware, locks, handles, hinges., rollers for sliding mechanisms of furnitures; Dunlop "Delrin 500" guitar pick Construction: structural glass - pod holder for point

4. Separatory funnel - Wikipedia

   en.wikipedia.org/wiki/Separatory_funnel

   A separatory funnel, also known as a separation funnel, separating funnel, or colloquially sep funnel, is a piece of laboratory glassware used in liquid-liquid extractions to separate (partition) the components of a mixture into two immiscible solvent phases of different densities. [1]

5. Pressure exchanger - Wikipedia

   en.wikipedia.org/wiki/Pressure_exchanger

   The ducts of the rotor charge and discharge as the pressure transfer process repeats itself. The performance of a pressure exchanger is measured by the efficiency of the energy transfer process and by the degree of mixing between the streams. The energy of the streams is the product of their flow volumes and pressures.

6. High-performance liquid chromatography - Wikipedia

   en.wikipedia.org/wiki/High-performance_liquid...

   The 1970s brought about many developments in hardware and instrumentation. Researchers began using pumps and injectors to make a rudimentary design of an HPLC system. [22] Gas amplifier pumps were ideal because they operated at constant pressure and did not require leak-free seals or check valves for steady flow and good quantitation. [18]

7. Polar diagram - Wikipedia

   en.wikipedia.org/wiki/Polar_diagram

   A polar diagram could refer to: Polar area diagram, a type of pie chart; Radiation pattern, in antenna theory; A diagram based on polar coordinates; Spherical coordinate system, the three-dimensional form of a polar response curve; In sailing, a Polar diagram is a graph that shows a sailing boats potential wind speed over a range of wind and ...

8. Liquid–liquid extraction - Wikipedia

   en.wikipedia.org/wiki/Liquid–liquid_extraction

   A separatory funnel used for liquid–liquid extraction, as evident by the two immiscible liquids.. Liquid–liquid extraction, also known as solvent extraction and partitioning, is a method to separate compounds or metal complexes, based on their relative solubilities in two different immiscible liquids, usually water (polar) and an organic solvent (non-polar).

9. List of spreadsheet software - Wikipedia

   en.wikipedia.org/wiki/List_of_spreadsheet_software

   Both free and paid versions are available. It can handle Microsoft Excel .xls and .xlsx files, and also produce other file formats such as .et, .txt, .csv, .pdf, and .dbf. It supports multiple tabs, VBA macro and PDF converting. [10] Lotus SmartSuite Lotus 123 – for MS Windows. In its MS-DOS (character cell) version, widely considered to be ...