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  2. Axis Direct - Wikipedia

    en.wikipedia.org/wiki/Axis_Direct

    Axis Direct provides a 3-in-1 Online Investment Account [2] which is a combination of Axis Bank Savings along with an Axis Direct trading and Demat account services: Equities – Invest online in stocks of listed companies; Mutual Funds – Invest in mutual funds including equity, hybrid, tax saving or debt schemes from asset management companies

  3. Spark spread - Wikipedia

    en.wikipedia.org/wiki/Spark_spread

    Let D: dark spread, E: electricity price, C: coal cost, Nc: number of carbon credits necessary to cover coal operation (2–2.5x that of gas), Pcc: price of a carbon credit. Then, Clean dark spread = E - C - Nc*Pcc = D - Nc*Pcc Climate spread: The difference between the dark green spread and the spark green spread is known as the "Climate Spread".

  4. Compressor map - Wikipedia

    en.wikipedia.org/wiki/Compressor_map

    Unfortunately this can lead to a poor IP compressor surge margin at part flow. IPC working line, with blow-off valve closed throughout throttle range. Surge margin can be improved by adding variable stators to the IP compressor and/or adding a blow-off valve between the IP and HP compressors. The former makes the IP compressor surge line ...

  5. Jefimenko's equations - Wikipedia

    en.wikipedia.org/wiki/Jefimenko's_equations

    The formula provides a natural generalization of the Coulomb's law for cases where the source charge is moving: = [′ ′ + ′ (′ ′) + ′] = ′ Here, and are the electric and magnetic fields respectively, is the electric charge, is the vacuum permittivity (electric field constant) and is the speed of light.

  6. Cost-plus pricing - Wikipedia

    en.wikipedia.org/wiki/Cost-plus_pricing

    Ultimately, the $54 markup price is the shop's margin of profit. Cost-plus pricing is common and there are many examples where the margin is transparent to buyers. [ 4 ] Costco reportedly created rules to limit product markups to 15% with an average markup of 11% across all products sold. [ 5 ]

  7. Markup rule - Wikipedia

    en.wikipedia.org/wiki/Markup_rule

    Since for a price-setting firm < this means that a firm with market power will charge a price above marginal cost and thus earn a monopoly rent. On the other hand, a competitive firm by definition faces a perfectly elastic demand; hence it has η = 0 {\displaystyle \eta =0} which means that it sets the quantity such that marginal cost equals ...

  8. Born–Mayer equation - Wikipedia

    en.wikipedia.org/wiki/Born–Mayer_equation

    z + = charge number of cation; z − = charge number of anion; e = elementary charge, 1.6022 × 10 −19 C; ε 0 = permittivity of free space 4 π ε 0 = 1.112 × 10 −10 C 2 /(J·m) r 0 = distance to closest ion; ρ = a constant dependent on the compressibility of the crystal; 30 pm works well for all alkali metal halides

  9. Gauss's law - Wikipedia

    en.wikipedia.org/wiki/Gauss's_law

    Although microscopically all charge is fundamentally the same, there are often practical reasons for wanting to treat bound charge differently from free charge. The result is that the more fundamental Gauss's law, in terms of E (above), is sometimes put into the equivalent form below, which is in terms of D and the free charge only.