| D008697 |
Methane |
The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed) |
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| D009609 |
Nitrous Oxide |
Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream. |
Laughing Gas,Nitrogen Protoxide,Gas, Laughing,Oxide, Nitrous |
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| D000704 |
Analysis of Variance |
A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable. |
ANOVA,Analysis, Variance,Variance Analysis,Analyses, Variance,Variance Analyses |
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| D012722 |
Sewage |
Refuse liquid or waste matter carried off by sewers. |
Sludge,Sludge Flocs |
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| D013997 |
Time Factors |
Elements of limited time intervals, contributing to particular results or situations. |
Time Series,Factor, Time,Time Factor |
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| D016014 |
Linear Models |
Statistical models in which the value of a parameter for a given value of a factor is assumed to be equal to a + bx, where a and b are constants. The models predict a linear regression. |
Linear Regression,Log-Linear Models,Models, Linear,Linear Model,Linear Regressions,Log Linear Models,Log-Linear Model,Model, Linear,Model, Log-Linear,Models, Log-Linear,Regression, Linear,Regressions, Linear |
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| D017752 |
Greenhouse Effect |
The effect of GREENHOUSE GASES and the resulting increase in world temperatures. The predicted health effects of such long-term climatic change include increased incidence of respiratory, water-borne, and vector-borne diseases. |
Effect, Greenhouse |
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| D053833 |
Wetlands |
Environments or habitats at the interface between truly terrestrial ecosystems and truly aquatic systems making them different from each yet highly dependent on both. Adaptations to low soil oxygen characterize many wetland species. |
Bogs,Mangrove Forests,Mangrove Swamps,Marsh,Marshes,Swamps,Bog,Forest, Mangrove,Forests, Mangrove,Mangrove Forest,Mangrove Swamp,Swamp,Swamp, Mangrove,Swamps, Mangrove,Wetland |
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| D057232 |
Global Warming |
Increase in the temperature of the atmosphere near the Earth's surface and in the troposphere, which can contribute to changes in global climate patterns. |
Warming, Global |
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| D018709 |
Statistics, Nonparametric |
A class of statistical methods applicable to a large set of probability distributions used to test for correlation, location, independence, etc. In most nonparametric statistical tests, the original scores or observations are replaced by another variable containing less information. An important class of nonparametric tests employs the ordinal properties of the data. Another class of tests uses information about whether an observation is above or below some fixed value such as the median, and a third class is based on the frequency of the occurrence of runs in the data. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1284; Corsini, Concise Encyclopedia of Psychology, 1987, p764-5) |
Kolmogorov-Smirnov Test,Kruskal-Wallis H Statistic,Mann-Whitney U Test,Rank-Sum Tests,Spearman Rank Correlation Coefficient,Wilcox Test,Wilcoxon Rank Test,Non-Parametric Statistics,Nonparametric Statistics,Statistics, Non-Parametric,Kolmogorov Smirnov Test,Mann Whitney U Test,Non Parametric Statistics,Rank Sum Tests,Rank Test, Wilcoxon,Rank-Sum Test,Statistics, Non Parametric,Test, Kolmogorov-Smirnov,Test, Mann-Whitney U,Test, Rank-Sum,Test, Wilcox,Test, Wilcoxon Rank,Tests, Rank-Sum,U Test, Mann-Whitney |
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