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  2. Sodium hypochlorite - Wikipedia

    en.wikipedia.org/wiki/Sodium_hypochlorite

    Weak chlorine solution" is a 0.05% solution of hypochlorite used for washing hands, but is normally prepared with calcium hypochlorite granules. [48] "Dakin's Solution" is a disinfectant solution containing low concentration of sodium hypochlorite and some boric acid or sodium bicarbonate to stabilize the pH. It has been found to be effective ...

  3. Mesomeric effect - Wikipedia

    en.wikipedia.org/wiki/Mesomeric_effect

    The +M effect, also known as the positive mesomeric effect, occurs when the substituent is an electron donating group. The group must have one of two things: a lone pair of electrons, or a negative charge. In the +M effect, the pi electrons are transferred from the group towards the conjugate system, increasing the density of the system.

  4. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...

  5. Early effect - Wikipedia

    en.wikipedia.org/wiki/Early_effect

    The Early effect, named after its discoverer James M. Early, is the variation in the effective width of the base in a bipolar junction transistor (BJT) due to a variation in the applied base-to-collector voltage. A greater reverse bias across the collector–base junction, for example, increases the collector–base depletion width, thereby ...

  6. Tobin's q - Wikipedia

    en.wikipedia.org/wiki/Tobin's_q

    Tobin's q. Tobin's q[a] (or the q ratio, and Kaldor's v), is the ratio between a physical asset 's market value and its replacement value. It was first introduced by Nicholas Kaldor in 1966 in his paper: Marginal Productivity and the Macro-Economic Theories of Distribution: Comment on Samuelson and Modigliani. [1][2] It was popularised a decade ...

  7. LGBTQ - Wikipedia

    en.wikipedia.org/wiki/LGBTQ

    LGBTQ (also commonly seen as LGBT, [1] [2] LGBT+, [3] LGBTQ+, [4] and LGBTQIA+ [5]) is an initialism for lesbian, gay, bisexual, transgender and queer or questioning. [6] [7] It is an umbrella term, broadly referring to all sexualities, romantic orientations, and gender identities which are not heterosexual or cisgender.

  8. Demand curve - Wikipedia

    en.wikipedia.org/wiki/Demand_curve

    A demand curve is a graph depicting the inverse demand function, [1] a relationship between the price of a certain commodity (the y -axis) and the quantity of that commodity that is demanded at that price (the x -axis). Demand curves can be used either for the price-quantity relationship for an individual consumer (an individual demand curve ...

  9. Quark - Wikipedia

    en.wikipedia.org/wiki/Quark

    1 / 3 ⁠. A quark (/ kwɔːrk, kwɑːrk /) is a type of elementary particle and a fundamental constituent of matter. Quarks combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei. [1] All commonly observable matter is composed of up quarks, down quarks and electrons.

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