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  2. Benjamin Constant - Wikipedia

    en.wikipedia.org/wiki/Benjamin_Constant

    Henri-Benjamin Constant de Rebecque ( French: [kɔ̃stɑ̃]; 25 October 1767 – 8 December 1830), or simply Benjamin Constant, was a Swiss political thinker, activist and writer on political theory and religion. A committed republican from 1795, he backed the coup d'état of 18 Fructidor (4 September 1797) and the following one on 18 Brumaire ...

  3. Contact resistance - Wikipedia

    en.wikipedia.org/wiki/Contact_resistance

    Electrical contact resistance ( ECR, or simply contact resistance) is resistance to the flow of electric current caused by incomplete contact of the surfaces through which the current is flowing, and by films or oxide layers on the contacting surfaces. It occurs at electrical connections such as switches, connectors, breakers, contacts, and ...

  4. RC time constant - Wikipedia

    en.wikipedia.org/wiki/RC_time_constant

    RC time constant. The RC time constant, denoted τ (lowercase tau ), the time constant (in seconds) of a resistor–capacitor circuit (RC circuit), is equal to the product of the circuit resistance (in ohms) and the circuit capacitance (in farads ), i.e.: It is the time required to charge the capacitor, through the resistor, from an initial ...

  5. Constant, Clear-Fluid Runny Nose: Causes and Treatment

    www.healthline.com/health/constant-runny-nose...

    Some of the most common causes of a constant, clear runny nose include allergies, infections, and nasal polyps. It can also be triggered by food, medications, and changes in hormones.

  6. Acid dissociation constant - Wikipedia

    en.wikipedia.org/wiki/Acid_dissociation_constant

    In chemistry, an acid dissociation constant (also known as acidity constant, or acid-ionization constant; denoted ) is a quantitative measure of the strength of an acid in solution. It is the equilibrium constant for a chemical reaction. known as dissociation in the context of acid–base reactions.

  7. Contact Dermatitis: Causes, Symptoms, and Treatment - Healthline

    www.healthline.com/health/contact-dermatitis

    Irritant contact dermatitis may cause slightly different symptoms, such as: blistering. cracking skin due to extreme dryness. swelling. skin that feels stiff or tight. ulcerations. open sores that ...

  8. Constant term - Wikipedia

    en.wikipedia.org/wiki/Constant_term

    Constant term. In mathematics, a constant term (sometimes referred to as a free term) is a term in an algebraic expression that does not contain any variables and therefore is constant. For example, in the quadratic polynomial , The number 3 is a constant term. [1]

  9. Chronic Dry Eye and Contact Lenses - Healthline

    www.healthline.com/health/dry-eye/chronic-dry...

    How to use. Takeaway. Chronic dry eye is caused by lack of tears or tears without enough oil. This can cause contact lenses to be painful. But treatments are available if you have chronic dry eye ...

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