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A secondary organic aerosol (SOA) is a molecule produced via oxidation over several generations of a parent organic molecule. [1] In contrast to primary organic aerosols, which are emitted directly from the biosphere, SOAs are either formed via homogeneous nucleation through the successive oxidation of gas-phase organic compounds, or through condensation on pre-existing particles.
The radicals can react with volatile organic compounds (VOCs) to produce oxidized VOCs (OVOCs) and secondary organic aerosols (SOA). [ 96 ] Wavelengths below 242 nm can also generate ozone, which not only contributes to OVOCs and SOA formation but can be harmful in itself.
SOA governance, a concept for services control in such an architecture; SOA security; SOA record (for start of authority), a type of resource record in the Domain Name System (DNS) Statement of Applicability (SoA), an ISO/IEC 27001 document for information security management systems; Structure of arrays, a method of arranging records in memory
The formation evaluation problem is a matter of answering two questions: What are the lower limits for porosity, permeability and upper limits for water saturation that permit profitable production from a particular formation or pay zone; in a particular geographic area; in a particular economic climate.
Particulates or atmospheric particulate matter (see below for other names) are microscopic particles of solid or liquid matter suspended in the air.The term aerosol refers to the particulate/air mixture, as opposed to the particulate matter alone, [1] though it is sometimes defined as a subset of aerosol terminology. [2]
The Society of Actuaries (SOA) is a global professional organization for actuaries. It was founded in 1949 as the merger of two major actuarial organizations in the United States: the Actuarial Society of America and the American Institute of Actuaries. [ 1 ]
These issues arise as an effect of the main premise of SOA, which is to erase application boundaries and technology differences. Prior to the application of SOA methodologies, security models have traditionally been hardcoded into applications, and when capabilities of an application are opened up for use by other applications, the existing ...
SOAs are said to be a major causative factor to the mortality rates associated with the exposure to harmful fine particulate air pollution however there is an absence of in vitro particle exposure techniques to test for toxicity. There is research currently being done to find the interaction between SOA’s and lung cells to see their potential ...