- 行业: Government
- Number of terms: 30456
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
The time it takes the Earth to make one orbit around the Sun; approximately 365.2422 days.
Industry:Natural environment
The logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and <7 is acidic and >7 is basic).
Industry:Natural environment
A channel that dissects the tidal flat surface. It is formed and maintained by tidal currents.
Industry:Natural environment
A process of fusion of the nuclei of two sex cells or gametes; the second step in syngamy.
Industry:Natural environment
A statistical criterion for the estimation of the goodness of fit in correlation analysis. Least squares methods aim to minimize the sum of squared differences between the observations and the predictions from a model.
Industry:Natural environment
A whip-like appendage used for locomotion in sperm cells and some bacteria, fungi, and protists.
Industry:Natural environment
An instrument for measuring wavelengths of light of a spectrum.
Industry:Natural environment
Bottom dwelling; living on or under the sediments or other substrate.
Industry:Natural environment
