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Plate count agar (PCA), also called standard methods agar (SMA), is a microbiological growth medium commonly used to assess or to monitor "total" or viable bacterial growth of a sample. PCA is not a selective medium. The total number of living aerobic bacteria can be determined using a plate count agar which is a substrate for bacteria to grow on.
Within the field of molecular biology, a protein-fragment complementation assay, or PCA, is a method for the identification and quantification of protein–protein interactions. In the PCA, the proteins of interest ("bait" and "prey") are each covalently linked to fragments of a third protein (e.g. DHFR, which acts as a "reporter").
Some useful resources for learning about e-agriculture in practice are the World Bank's e-sourcebook ICT in agriculture – connecting smallholder farmers to knowledge, networks and institutions (2011), [2] ICT uses for inclusive value chains (2013), [3] ICT uses for inclusive value chains (2013) [4] and Success stories on information and ...
Hawaiian Agriculture Research Center (HARC) is an American non-profit 501(c)(3) organization based in Aiea, Hawaii. [1] Established in 1996, it took over the operations of the Hawaiian Sugar Planters' Association Experiment Station and increased the scope of services beyond sugarcane . [ 2 ]
The Henry A. Wallace Beltsville Agricultural Research Center (BARC), also known as the National Agricultural Research Center, [3] is a unit of the United States Department of Agriculture's Agricultural Research Service. It is located in unincorporated Prince George's County, Maryland, [4] with sections within the Beltsville census-designated place.
Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing.. The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.
ICAR-Central Research Institute for Jute and Allied Fibers (ICAR-CRIJAF), established in 1953 as Jute Agricultural Research Institute (JARI), is the only research institute on jute & allied fibres crops in India and is a constituent unit of Indian Council of Agricultural Research (ICAR), an Autonomous Body under Department of Agricultural Research & Education (DARE) under Ministry of ...
The 2014 guaranteed algorithm for the robust PCA problem (with the input matrix being = +) is an alternating minimization type algorithm. [12] The computational complexity is () where the input is the superposition of a low-rank (of rank ) and a sparse matrix of dimension and is the desired accuracy of the recovered solution, i.e., ‖ ^ ‖ where is the true low-rank component and ^ is the ...