The phrase "act upon directly" is correct and usable in written English.
It can be used when referring to taking immediate action based on a specific directive or information.
Example: "The committee decided to act upon directly the recommendations provided by the consultant."
Alternatives: "take direct action" or "respond directly".
By contrast, the animal cells in meat are not encased in nondigestible matter and can be acted upon directly by digestive enzymes.
Since they cannot be expressed or acted upon directly — we cannot kill or have sex with our parents — they emerge in highly censored and distorted forms as images in dreams, slips of the tongue, and neurotic symptoms.
The nitrogen cycle is a series of metabolic pathways by which nitrogen is converted between various forms and redox states; it encompasses pathways in which nitrogen is acted upon directly, such as nitrification, denitrification, nitrogen fixation, and mineralization.
One method of analysis is to eliminate the wheel degrees of freedom (DOF) that are in direct contact with the bridge surface resulting in a VBI element, which is a modified beam element acted upon directly by wheel(s) of a running vehicle.
As a small amount of neurogenesis is present in the adult brain, it is possible that mood stabilizers directly act upon axonal growth, guidance and branching of developing neurons to alter the neuronal architecture.
He also develops a deep infatuation with Asagi when he was introduced to her, but is too shy and awkward around beautiful women to directly act upon it.
Costs and risks increase, if specific drugs are considered that either modify risk factor or directly act upon the diseases process.
It should be noted that, in using these three variables, it is not assumed that they necessarily act upon the bird species directly, indeed in many cases it is clear that the causal paths [16] through which they operate must be indirect.
Conclusively, proteins of the strain GP526 of B. thuringiensis directly act upon D. caninum showing ovicidal and cestocidal effects.
They found that proteins of the strain GP526 of B. thuringiensis directly act upon D. caninum showing ovicidal and cestocidal effects.
Given that IL-4 has also been implicated in fibroblast proliferation, collagen gene expression, collagen synthesis and transforming growth factor beta (TGFβ) production, IL-4 may directly act upon renal cells to perpetuate glomerulosclerosis and chronic renal fibrosis, partly through its effect on extracellular matrix generation [ 44].
