The phrase "absence of entry" is correct and usable in written English.
It can be used in contexts where you want to indicate that there is no record or presence of something in a particular location or system.
Example: "The report indicated an absence of entry in the database for the specified date."
Alternatives: "lack of entry" or "no entry recorded".
sum ^N_{i=1}p_{i}pi _{i}C_{i}=X end{aligned} (2 Since Tobin (1958), we know that, under the assumptions of the mean-variance model and in the absence of entry costs, investors will choose a combination of the safe asset and the portfolio of risky assets with the largest Sharpe ratio (the ratio of the average excess return to the standard deviation).
The cells were infected with HBV at 100 mge in the presence or absence of entry inhibitors as indicated.
Infection of HDV on HepG2-hNTCP stable cells was conducted in the presence or absence of entry inhibitor 200 nM Myr-59.
With 5 × 10 genome equivalent copies of HDV, 1 × 10 cells were incubated, or otherwise indicated, for 24 hr in the presence or absence of entry inhibitors.
Normally, 5 × 10 copies of genome equivalent HDV or 1 × 10 copies of genome equivalent HBV were inoculated in the presence or absence of entry inhibitors with 1 × 10 cells and incubated for 16 hr except otherwise indicated.
There were two alternative interpretations for the absence of pollen entry in Schmeissneria: one was that the pollen entry did not exist at all; the other was that the pollen entry had been obliterated.
Most surprising about the start list, however, is the absence of an entry from the Aga Khan, winner of a record seventh Prix de Diane crown last year with Valyra, who had to be put down a few months later after a beach-cantering accident.
This lack of induction certainly reflects the absence of sucrose entry into the cytoplasm of this mutant, thus preventing the alleviation of SuxR repression.
In the absence of Ca2+ entry, a slight time-dependent lowering of Perceval fluorescence occurred, reaching statistical significance after 20 min (Fig. 4f).
Thus, Snf1 activation can occur in the absence of G1/G0 entry, and defects in Snf1 activation are unlikely to explain the failure of autophagy-deficient yeast to properly arrest in G1/G0 in response to nitrogen starvation.
Even in the absence of steam entry into the Steriset Container, heating to 180˚F in the washer/disinfector and to 270˚F for 15 minutes in the sterilizer would have been very effective in killing vegetative bacteria and viruses [ 2, 7].
