Exact(11)
There has been fevered debate and speculation about the true volume of recoverable shale gas available in the UK.
where w and vp are the weight of the sample and the true volume of the powder, respectively.
Furthermore, the MRI technique was found to consistently underestimated the true volume of the meniscus (Stone et al. 1994).
The shape of the resulting simulated lesion is very similar to that of the original one, but the sharp boundary unambiguously defines the true volume of (and activity distribution within) this target structure.
It was also found that in PTMS, the packing coefficient, K, which was defined by the ratio of the intrinsic volume with respect to the true volume of the α form was almost equal to that of the β form.
Visual tumor segmentation based by mpMRI and semi-automatic segmentation based on 18F-choline uptake measures significantly underestimated the true volume of Gleason ≥ 3+4 prostate cancer, and substantial safety margins (up to 15 mm in our series) are required to include all diseases.
Similar(49)
With no background activity, threshold values of 36 38% resulted in volumes within 10% of the true volume for the three largest spheres.
However, obtaining the true volumes for this kind of tumour will remain a challenge yet to be solved.
CSCG reconstructs both sources well and shows the greatest resilience to noise, with a minimum volume of 57% of the true volume, and a maximum volume of 230%.
GN uniformly underestimates the size of the sources, with a minimum volume of 43% of the true volume, and a maximum volume of 86%, but given the poor localisation performance the volumes given may be those of image artifacts.
Here NNLS performance is inferior in all tests except for 5% noise and source A, with a minimum volume of 82% of the true volume, and a maximum volume of 740%, and displays great variation as the level of noise changes.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com