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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 chemistry, coalescence is a process in which two phase domains of the same composition come together and form a larger phase domain. In other words, the process by which two or more separate masses of miscible substances seem to "pull" each other together should they make the slightest contact.
As the water droplet is very conductive, the induced charges will reside on the surface. The droplet has no net charge but one positive and one negative side. Inside the droplet, the electric field is zero. When two droplets with induced dipoles get close to each other, they will experience a force pulling the droplets closer until they coalesce.
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 ...
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 ...
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
Liquid–liquid phase separation (LLPS) generates a subtype of colloid known as an emulsion that can coalesce to form large droplets within a liquid. Ordering of molecules during liquid–liquid phase separation can generate liquid crystals rather than emulsions .
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.