Nitrogen use efficiency (NUE) is used to demonstrate the relationship between a soil’s total nitrogen input compared with its nitrogen output. Calculating NUE will give growers a starting point from ...

Nitrogen use efficiency (NUE) is used to demonstrate the relationship between a soil’s total nitrogen input compared with its nitrogen output. Calculating NUE will give growers a starting point from ...

A very inefficient device will waste most of its input energy. The efficiency of a device is the proportion of the energy supplied that is transferred in useful ways. The efficiency can be calculated ...

The fuel efficiency of an electric car is measured in kilometres per kWh. It is a measure of how far the car can travel on a single unit of electricity. Calculating the fuel efficiency or mileage of ...

There are roof shapes and ratios that maximize heat retainment and energy efficiency and, interestingly, ancient Italian architects and builders seemed to know it, too. While serving as a visiting ...

Weight governs almost everything—from how quickly a car accelerates or stops to how efficiently it uses fuel and how ...