- theis equation
- 泰斯方程
English-Chinese geology dictionary (英汉地质大词典). 2013.
theis equation
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Theis equation — The nonequilibrium equation of radial flow towards a well [16] … Lexicon of Cave and Karst Terminology
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Exponential integral — is a mathematical function of a single argument which has no established notation.DefinitionsFor real values of x , the exponential integral Ei( x ) can be defined as : mbox{Ei}(x)=int { infty}^xfrac{e^t}t,dt., The definition above can be used… … Wikipedia
well function — An exponential integral as used in Theis’ nonequilibrium equation [16] … Lexicon of Cave and Karst Terminology
