- Industry: Library & information science
- Number of terms: 152252
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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.
In a reaction occurring by a composite reaction sequence, an elementary reaction, the rate constant for which exerts a strong effect, - stronger than that of any other rate constant - on the overall rate.
Note 1: It is recommended that the expressions rate-controlling, rate-determining and rate-limiting be regarded as synonymous, but some special meanings sometimes given to the last two expressions are considered under a separate heading.
Note 2: For further consideration of this term.
Industry:Biology; Chemistry
In environmental chemistry, an area or part of the environment in which, or a process by which, one or more pollutants is removed from the medium in which it is dispersed.
Note: For example - moist ground acts as a sink for sulfur dioxide in the air.
Industry:Biology; Chemistry
In relation to waste water, the amenability of substances to removal without adversely affecting the normal operation of biological treatment processes (such as a sewage treatment plant).
Industry:Biology; Chemistry
Increase in the caliber of the blood vessels, leading to an increased blood flow.
Industry:Biology; Chemistry
Increase in the caliber of the blood vessels, leading to an increased blood flow.
Industry:Biology; Chemistry
Increase in the size of a tumor or spread of cancer in the body.
Industry:Biology; Chemistry
Inflammation of the skin caused by exposure to light, especially that due to metabolites formed in the skin by photolysis.
Industry:Biology; Chemistry
Intake for a substance derived by applying a thousandfold uncertainty factor to the lowest low-effect level for noncarcinogenic endpoints.
Industry:Biology; Chemistry
Interindividual variations in metabolism of endogenous and exogenous compounds due to genetic influences, leading to enhanced side effects or toxicity of drugs (for example, poor versus fast metabolizers) or to different clinical effects (metabolism of steroid hormones).
Industry:Biology; Chemistry
Intermediates in the reduction of molecular dioxygen O2 to water.
Note: Examples are superoxide anion O2-•, hydrogen peroxide H2O2, and hydroxyl radical HO•.
Industry:Biology; Chemistry
