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Coalescence of ultrasound contrast agent microbubbles is studied to prevent embolies [1] or to block tumour vessels. [2] Microbubble coalescence has been studied with the aid of high-speed photography. [3] In cloud physics the main mechanism of collision is the different terminal velocity between the droplets. The terminal velocity is a ...
In computer science, coalescing is a part of memory management in which two adjacent free blocks of computer memory are merged.. When a program no longer requires certain blocks of memory, these blocks of memory can be freed.
A coalescer is a device which induces coalescence in a medium. They are primarily used to separate emulsions into their components via various processes, operating in reverse to an emulsifier.
Note 1: Definition modified from that in ref. [2] Note 2: The coagulation of an emulsion, viz. the formation of aggregates, may be followed by coalescence. If coalescence is extensive it leads to the breaking of an emulsion. [3]
COALESCE, an SQL function that selects the first non-null from a range of values; Null coalescing operator, a binary operator that is part of the syntax for a basic conditional expression in several programming languages; Coalesced hashing, a strategy of hash collision resolution in computing
While the most studied mode of angiogenesis is sprouting angiogenesis, several different modes of angiogenesis have been described. [1] Among these are intussusceptive angiogenesis or splitting angiogenesis, [2] [3] vessel cooption, and vessel elongation. A novel form of angiogenesis is the process called ‘’’coalescent angiogenesis ...
Coalescent theory is a model of how alleles sampled from a population may have originated from a common ancestor.In the simplest case, coalescent theory assumes no recombination, no natural selection, and no gene flow or population structure, meaning that each variant is equally likely to have been passed from one generation to the next.
In the type 1 tree the alleles in species A and B coalesce after the speciation event that separated the A-B lineage from the C lineage. In the type 2 tree the alleles in species A and B coalesce before the speciation event that separated the A-B lineage from the C lineage (in other words, the type 2 tree is a deep coalescence tree). The type 1 ...