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Phase-transfer catalysis is a special form of catalysis and can act through homogeneous catalysis or heterogeneous catalysis methods depending on the catalyst used. Ionic reactants are often soluble in an aqueous phase but insoluble in an organic phase in the absence of the phase-transfer catalyst. The catalyst functions like a detergent for ...
Infobox references. Nicotinamide adenine dinucleotide ( NAD) is a coenzyme central to metabolism. [3] Found in all living cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphate groups. One nucleotide contains an adenine nucleobase and the other, nicotinamide.
Coolant. A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system. An ideal coolant has high thermal capacity, low viscosity, is low-cost, non-toxic, chemically inert and neither causes nor promotes corrosion of the cooling system. Some applications also require the coolant to be an electrical ...
The catalytic chain transfer process was commercialized very soon after its discovery. The initial commercial outlet was the production of chemically reactive macromonomers to be incorporated into paints for the automotive industry. Federally mandated VOC restrictions are leading to the elimination of solvents from the automotive finishes and ...
The electro-optical transfer function ( EOTF) is the transfer function having the picture or video signal as input and converting it into the linear light output of the display. [1] This is done within a display device . The opto-optical transfer function ( OOTF) is the transfer function having the scene light as input and the displayed light ...
A hot, less-dense material at the bottom moves upwards, and likewise, cold material from the top moves downwards. Convection (or convective heat transfer) is the transfer of heat from one place to another due to the movement of fluid. Although often discussed as a distinct method of heat transfer, convective heat transfer involves the combined ...
Fund administration is the name given to the execution of middle-office activities including fund accounting, financial reporting, net asset value calculation, capital calls, distributions, investor communications and other functions carried out in support of an investment fund, which may take the form of a traditional mutual fund, a hedge fund, a private equity fund, a venture capital fund, a ...
Horizontal gene transfer ( HGT) or lateral gene transfer ( LGT) [1] [2] [3] is the movement of genetic material between organisms other than by the ("vertical") transmission of DNA from parent to offspring ( reproduction ). [4] HGT is an important factor in the evolution of many organisms. [5] [6] HGT is influencing scientific understanding of ...