- 行业: Library & information science
- Number of terms: 152252
- Number of blossaries: 0
- Company Profile:
The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, is the world's largest medical library. The Library collects materials and provides information and research services in all areas of biomedicine and health care.
Systematic ongoing collection, collation, and analysis of data and the timely dissemination of information to those who need to know in order that action can be taken to initiate investigative or control measures.
Industry:Biology; Chemistry
Technical specification, usually in the form of a document available to the public, drawn up with the consensus or general approval of all interests affected by it, based on the consolidated results of science, technology and experience, aimed at the promotion of optimum community benefits and approved by a body recognized on the national, regional or international level.
Industry:Biology; Chemistry
Technical specification, usually in the form of a document available to the public, drawn up with the consensus or general approval of all interests affected by it, based on the consolidated results of science, technology and experience, aimed at the promotion of optimum community benefits and approved by a body recognized on the national, regional or international level.
Industry:Biology; Chemistry
Technique by which specific DNA segments are amplified selectively using cycles of annealing, chain extension, and thermal dissociation.
Industry:Biology; Chemistry
Term indicating the number of sets of chromosomes present in an organism.
Industry:Biology; Chemistry
Term sometimes used to indicate a combination of investigative methods and techniques for making a quantitative assessment of toxicity and the hazards of potentially toxic substances.
Industry:Biology; Chemistry
Term used by the USEPA to describe the expected dose resulting from human exposure to a substance at the level at which it is regulated in the environment.
Industry:Biology; Chemistry
Terms referring to a reaction in which one direction of bond making or breaking occurs preferentially over all other possible directions.
Note: Reactions are termed completely (100%) regioselective if the discrimination is complete, or partially (x%), if the product of reaction at one site predominates over the product of reaction at other sites.
Industry:Biology; Chemistry
That part of the total error (the estimate from a sample minus the population value) associated with using only a fraction of the population and extrapolating to the whole, as distinct from analytical or test error.
Note: Sampling error arises from a lack of homogeneity in the parent population.
Industry:Biology; Chemistry
