Sentence examples for a key variable in from inspiring English sources

Injection velocity is a key variable in the filling stage, which is controlled by manipulating the opening of a hydraulic valve.

It was a key variable in a vicious circle because people came to believe in it and indeed voted for it.

A key variable in what's become known as the Drake equation is how long a civilization capable of building rockets and microgravity espresso machines persists.

Do the Math!" (Economic Scene, Feb. 22): The theory as reported in the column says a key variable in classroom learning is how likely it is that students disrupt one another's learning.

This method of calculation means that Gallup is throwing out half of its sample (rather than, say, weighting the whole sample), and that is risky for the same reason that weighting for party is risky: it means that Gallup is relying on a key variable in the election — in this case turnout — remaining unchanged.

Soil moisture is a key variable in hydrological processes.

A key variable in determining how widely the virus will spread is the population's immunity level.

Soil moisture is a key variable in hydrology, meteorology and agriculture.

Downhole pressure is a key variable in the operation of gas-lift oil wells.

Dissolved oxygen (DO) concentration is a key variable in the activated sludge wastewater treatment processes.

Soil moisture is a key variable in climate system, and its accurate simulation needs effective soil parameter values.