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2. Proactiv - Wikipedia

   en.wikipedia.org/wiki/Proactiv

   Proactiv is an American brand of skin-care products developed by two American dermatologists, Katie Rodan and Kathy A. Fields, and launched in 1995 by Guthy-Renker, a California-based direct marketing company, that was endorsed by famous celebrities [2] The range includes moisturizers, body washes and treatment products, but the brand is known for its three-step anti-acne Solutions 3-step ...

3. Piranha solution - Wikipedia

   en.wikipedia.org/wiki/Piranha_solution

   Piranha solution, also known as piranha etch, is a mixture of sulfuric acid ( H2SO4) and hydrogen peroxide ( H2O2 ). The resulting mixture is used to clean organic residues off substrates, for example silicon wafers. [ 1] Because the mixture is a strong oxidizing agent, it will decompose most organic matter, and it will also hydroxylate most ...

4. Proactivity - Wikipedia

   en.wikipedia.org/wiki/Proactivity

   Proactivity. Proactivity or proactive behavior refers to self-initiated behavior that endeavours to solve a problem before it has occurred. [ 1] Proactive behavior involves acting in advance of a future situation, rather than reacting. It refers to taking control of a situation and making early changes, rather than adjusting to a situation or ...

5. Acid dissociation constant - Wikipedia

   en.wikipedia.org/wiki/Acid_dissociation_constant

   v. t. e. 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. The chemical species HA is an ...

6. Solid solution strengthening - Wikipedia

   en.wikipedia.org/wiki/Solid_solution_strengthening

   Solid solution strengthening. In metallurgy, solid solution strengthening is a type of alloying that can be used to improve the strength of a pure metal. [1] The technique works by adding atoms of one element (the alloying element) to the crystalline lattice of another element (the base metal), forming a solid solution.

7. Chaotropic agent - Wikipedia

   en.wikipedia.org/wiki/Chaotropic_agent

   Chaotropic agent. A chaotropic agent is a molecule in water solution that can disrupt the hydrogen bonding network between water molecules (i.e. exerts chaotropic activity ). This has an effect on the stability of the native state of other molecules in the solution, mainly macromolecules ( proteins, nucleic acids) by weakening the hydrophobic ...