The phrase "are several samples of" is correct and usable in written English.
It can be used when referring to multiple examples or instances of something in a specific context.
Example: "In the research paper, there are several samples of the data collected during the experiment."
Alternatives: "include multiple examples of" or "feature several instances of".
However, Yeo told us there would need to be several samples of blood and multiple finger pricks to run these tests, not just one drop of blood for dozens of tests — a far cry from Holmes's story of getting into this business to make blood testing quick, easy and painless.
However, Yeo told us there would need to be several samples of blood and multiple finger pricks to run these tests, not just one drop of blood for dozens of tests — a far cry from Holmes's story of getting into this business to make blood testing quick, easy and painless.
Throughout his investigation, Chen is frequently seized by the muse and, at one point, starts writing a long poem about pollution, one he envisions along the lines of Eliot's "The Waste Land". We are given several samples of this work-in-progress ("From the overpass full of sound and fury / you may see time is like water / covered with all the dirty algae, / empty cans, plastic bottles").
In most cases, these analyses are executed within just a matter of seconds, even when there are several hundreds of samples and millions of variants in the database.
For most filtering tasks, the execution takes only a few seconds, even when there are several hundreds of samples in the system and millions of variants in the summary tables.
Three were from subjects aged less than one year; however, as there were several other samples of similar age, the removal of outliers did not substantially alter the distribution of ages in this series.
Although the strength of the study is the large clinical sample analyzed, there are several features of the sample that need to be noted.
Parameters indicating a change in speech characteristics as a function of the stress condition (e.g., pitch, intensity, duration, and spectral envelope) are applied to several samples of stressed speech.
The most ancient of these samples are several types of meteorites, in which slightly more than half of the original uranium has decayed to lead.
However, there are several current sampling designs and the precision of IBI scores has not been evaluated across different surveys.
