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2. Chebyshev filter - Wikipedia

   en.wikipedia.org/wiki/Chebyshev_filter

   Type I Chebyshev filters are the most common types of Chebyshev filters. The gain (or amplitude) response, , as a function of angular frequency of the th-order low-pass filter is equal to the absolute value of the transfer function evaluated at : where is the ripple factor, is the cutoff frequency and is a Chebyshev polynomial of the th order.

3. Cross-flow filtration - Wikipedia

   en.wikipedia.org/wiki/Cross-flow_filtration

   In chemical engineering, biochemical engineering and protein purification, crossflow filtration [1] (also known as tangential flow filtration [2]) is a type of filtration (a particular unit operation ). Crossflow filtration is different from dead-end filtration in which the feed is passed through a membrane or bed, the solids being trapped in ...

4. Agitated Nutsche Filter - Wikipedia

   en.wikipedia.org/wiki/Agitated_Nutsche_Filter

   Agitated Nutsche filter (ANF) is a filtration technique used in applications such as dye, paint, and pharmaceutical production and waste water treatment. Safety requirements and environmental concerns due to solvent evaporation led to the development of this type of filter wherein filtration under vacuum or pressure can be carried out in closed ...

5. 6 Best HEPA Air Filters for the Whole House - Healthline

   www.healthline.com/health/hepa-air-filter

   Best overall air filter: Coway Airmega AP-1512HH (W) True HEPA Purifier | Skip to Review. Best air filter for pets: BISSELL MYair Pro Air Purifier with HEPA Filter for Small Room and Home | Skip ...

6. List of soft contact lens materials - Wikipedia

   en.wikipedia.org/wiki/List_of_soft_contact_lens...

   made of soft, flexible plastics that allow oxygen to pass through to the cornea. Soft contact lenses may be easier to adjust to and are more comfortable than rigid gas permeable lenses. Newer soft lens materials include silicone-hydrogels to provide more oxygen to your eye while you wear your lenses. [4]

7. CMP vs. BMP: What’s the Difference Between the ... - Healthline

   www.healthline.com/health/cmp-vs-bmp

   Outlook. A basic metabolic panel (BMP) measures the essential metabolic components of your blood. A comprehensive metabolic panel (CMP) measures substances produced by your liver in addition to ...

8. Gripe Water vs. Gas Drops: Which Is Best for My Child?

   www.healthline.com/.../gripe-water-vs-gas-drops

   Gas drops are a medical treatment. Their chief active ingredient is simethicone, an ingredient that breaks up gas bubbles in the stomach. This makes gas easier to pass. Examples of available gas ...

9. Rotary vacuum-drum filter - Wikipedia

   en.wikipedia.org/wiki/Rotary_vacuum-drum_filter

   Rotary vacuum drum filter (RVDF), patented in 1872, [2] is one of the oldest filters used in the industrial liquid-solids separation. It offers a wide range of industrial processing flow sheets and provides a flexible application of dewatering, washing and/or clarification. A rotary vacuum filter consists of a large rotating drum covered by a ...