"positive gradient" is a valid and usable phrase in written English.
It is generally used to describe a situation in which something is increasing at a steady rate, often over time. For example, "The sales of the company have seen a positive gradient over the last three months."
The positive gradient for socioeconomic position observed in European-Dutch was less strong, in particular for active commuting, among the South Asian-Surinamese and the African-Surinamese.
Using education as a measure of socioeconomic position, we found evidence of a positive gradient for asthma with hay fever with increasing level of education but an inverse gradient for asthma without hay fever.
In Dehnu station, also positive gradient was seen for calcium and positive gradient for sulfate.
The results confirm that the positive gradient will enhance the energy absorption capacity of honeycombs.
Differentiated positive gradient of change was observed for all sites and land cover types.
Because, positive gradient is more important than negative gradient in concrete road design.
Between the medial and lateral compartments, there was a mild positive gradient of 7.0 ± 1.0 %.
This is because, negative gradient is less than positive gradient (day time) (VENCON 2.0 2004).
Processes including both sub-cloud evaporation and moisture recycling were found to be responsible for the positive gradient.
At the threshold where UV begins to cause erythema (MED), a curve with a positive gradient would commence.
Gender-race stratified results also showed a positive gradient association between mother's education and adult height; however, this association was only significant for white men and white women.
