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An air separation plant separates atmospheric air into its primary components, typically nitrogen and oxygen, and sometimes also argon and other rare inert gases. The most common method for air separation is fractional distillation. Cryogenic air separation units (ASUs) are built to provide nitrogen or oxygen and often co-produce argon.
Reverse osmosis (RO) is a water purification process that uses a semi-permeable membrane to separate water molecules from other substances. RO applies pressure to overcome osmotic pressure that favors even distributions.
The nif genes are genes encoding enzymes involved in the fixation of atmospheric nitrogen into a form of nitrogen available to living organisms. The primary enzyme encoded by the nif genes is the nitrogenase complex which is in charge of converting atmospheric nitrogen (N 2) to other nitrogen forms such as ammonia which the organism can use for various purposes.
Sharon Stone is sharing how she overcame her 2001 near-fatal stroke and brain hemorrhage, which left her with a “1% chance of survival.” “I walked out of that hospital, 18% of my body mass ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Water located beneath the ground surface An illustration showing groundwater in aquifers (in blue) (1, 5 and 6) below the water table (4), and three different wells (7, 8 and 9) dug to reach it. Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 February 2025. Manipulation of an organism's genome For a non-technical introduction to the topic of genetics, see Introduction to genetics. For the song by Orchestral Manoeuvres in the Dark, see Genetic Engineering (song). For the Montreal hardcore band, see Genetic Control. Part of a series on ...
The process of genetically engineering mammals is a slow, tedious, and expensive process. [2] As with other genetically modified organisms (GMOs), first genetic engineers must isolate the gene they wish to insert into the host organism.
The level of gene flow among populations can be estimated by observing the dispersal of individuals and recording their reproductive success. [4] [11] This direct method is only suitable for some types of organisms, more often indirect methods are used that infer gene flow by comparing allele frequencies among population samples.