"directly shown" is a correct and usable phrase in written English.
You can use it when you want to emphasize that something has been clearly demonstrated or shown without any doubt. For example: "The evidence directly shown in the experiment was undeniable, confirming the validity of the hypothesis."
And while Erbitux has been shown to shrink tumors, Avastin has been directly shown to prolong survival, a more significant measure of a cancer drug's effectiveness.
Recently, the DNA methylation status, an epigenetic mark, has been directly shown to differ among cell types in roots using a cell-sorting technique40.
In these "postdramatic" stage productions, the action is not directly shown but glimpsed through cameras or screens.
The design consideration of hybrid system using a novel PM factor, human health impacts are directly shown whereas pollutant emission is measured in the hybrid system design.
Modern in situ techniques, particularly in situ STM with lateral atomic resolution, have directly shown that two-dimensional upd adlayers on S act as precursors for the subsequent nucleation and growth of three-dimensional Me bulk phase.
Fructose transport by SGLT4 was not directly shown but an inhibition of glucose uptake by fructose was demonstrated.
Prof Quentin Sattentau, who led the research, said: "This is the first time, to our knowledge, that a potential trigger for peanut allergy has been directly shown".
It can then be directly shown [20] that the value x k (t) at each node converges to a common global value, e.g., average of the initial values.
While in the international way, the boundary value condition is not directly shown in the traditional way as (1.6), it is elegantly implicitly contained in family entropy inequalities.
All procedures are shown on the network graph in the Fig. 7, where the time duration of all activities tij can be located directly (shown by the edges in the squares).
However, little evidence has directly shown a relationship between TOR and autophagy in multicellular plants.
