This is the 17399th most frequent Russian word.
температурами
The Russian word "температурами" means "temperatures" in the instrumental plural form.
In this sentence, 'температурами' refers to temperatures in instrumental plural, indicating the means by which the effect is achieved.
Использование высокими температурами влияет на свойства материала.
Usage of high temperatures affects the properties of the material.
Here, 'температурами' is the plural instrumental case of the noun 'температура' used to describe comparison or relationship between temperatures.
Между температурами этих веществ существует значительная разница.
Between the temperatures of these substances, there is a significant difference.
In this instance, 'температурами' refers to temperatures as entities being studied, showcasing the instrumental plural form implying the objects of study.