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phase-transfer catalysis
Science; General science
A process in which the rate of an organic reaction in a heterogeneous two-phase system is enhanced by the addition of a compound that transfers one of the reactants across the ...
twinning (crystallography)
Science; General science
A process in which two or more crystals, or parts of crystals, assume orientations such that one may be brought to coincidence with the other by reflection across a plane or by ...
salt-effect distillation
Science; General science
A process of extractive distillation in which a salt that is soluble in the liquid phase of the system being separated is used in place of the normal liquid additive introduced to ...
homing
Science; General science
A process of navigation by which a destination is approached by keeping some navigation parameter constant. In its early uses, the most commonly chosen parameter was the relative ...
dialysis
Science; General science
A process of selective diffusion through a membrane by dissolved solutes in liquid solution. As dialysis is usually carried out, the membrane permits the diffusion of ...
optical phase conjugation
Science; General science
A process that involves the use of nonlinear optical effects to precisely reverse the direction of propagation of each plane wave in an arbitrary beam of light, thereby causing ...
nuclear reaction
Science; General science
A process that occurs as a result of interactions between atomic nuclei when the interacting particles approach each other to within distances of the order of nuclear dimensions ...
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