"direction of arrow" is a correct and usable phrase in written English.
You can use it to refer to the physical direction of an arrow, or to refer to instructions that involve following the direction of an arrow. For example: "You will find the meeting room at the end of the corridor, indicated by the direction of the arrow."
Cross stile, walk in direction of arrow, cross farm track to stone stile in wall beyond.
Decrease and increase of activated mass is presumed to occur before and after scale transition depending on the direction of arrow of material damage.
This incidentally is opposite to the direction of arrow in cosmic evolution such that the events follow small → large and fast → slow while the thermodynamics reverses, respectively, to hot → cold and disorder → order.
Direction of arrow refers to positive or negative correlation between efficacy and time.
The direction of arrow indicates the regulation direction, i.e., from regulator gene to regulated or target gene.
The image shows several particles with a comet-like tails extending along the direction of arrow A in Fig. 3.
Petraeus and his staff will discuss at length the shading of colors on a slide, or the direction of arrows depicting causality.
Note that in AiiDA the direction of arrows is inverted with respect to the OPM notation [33, 34].
All selected parameters have an important contribution to the clustering procedure (length of arrows) and they cover a large analytical space (direction of arrows).
Figure 2B shows the generic dependence of the decay rate (Eq.9) on peak viral load (Eq.8) for increasing death rate of infected cells (in the direction of arrows), while Figure 2C shows the corresponding generic dependence of CD4+ T cell depletion at nadir (1-Tmin/T0) on peak viral load.
This time, however, the direction of arrows was biased, having a 20%/80% or 80%/20% left/right ratio.
