The phrase "already occur" is not correct in standard written English.
It is typically used in contexts where you want to indicate that something has happened before the present moment, but the correct form would be "has already occurred."
Example: "The changes have already occurred, and we need to adapt to them."
Alternatives: "has already happened" or "has already taken place."
On the one hand, quantitative comparability is difficult with common methods since defects already occur at very small loads for ductile and relative soft substrate materials like plastics.
Any attempt to make it more difficult to interact and drink socially would only exacerbate any problems that already occur due to alcohol consumption.
It is shown that: — the Semenov criterion is conservative but safe, — the Adler and Enig criterion holds at low values of α, while at high α values runaways already occur before βc is reached.
Surface observations indicated that the primary persistent slip bands (PSBs) already occur under a lower strain amplitude of 1.1×10−4, but the operation of secondary slip was strongly suppressed by the corresponding dislocation interactions even at high strain amplitudes.
We show by means of stochastic simulations that robust circadian oscillations can already occur when the maximum number of mRNA and protein molecules is of the order of a few tens or hundreds, respectively.
Loss of p16/CDKN2A expression, elevated Ki67 labeling, and extensive nuclear p53 positivity are also features of MPNST that can to some degree already occur in atypical neurofibromatous neoplasms of uncertain biologic potential.
The scientists compared the areas where heatwaves have increased most with those areas harbouring rich biodiversity or species already near their temperature limit and those where additional stresses, such as pollution or overfishing, already occur.
But a new study by researchers at the University of Cambridge finds that people tend to choose phrases made up not of unrelated words but of words that already occur together, such as "dead poets society".
The presence of fine carbon particles can cause a slow reaction occurring in the bulk to occur in the film (as in the oximation reaction) and can even enhance the rates of fast reactions which already occur completely in the film (as in the alkaline hydrolysis of ethyl p-nitrobenzoate and tridecyl formate).
There was more of the same the next day when Keen, wearing a pink and white checked shirt under his QC's silks, pointed out that some immigration appeals do already occur out of country, and if necessary an appellant can always be brought back to defend him or herself.
They also said the law was true to the spirit of Supreme Court rulings because it would permit a large majority of abortions, which already occur before 12 weeks, to proceed and would encourage pregnant women and doctors to seek earlier, "safer and more humane abortions".
