Sentences with phrase «limited number of measurements»

Although it has proved quite challenging to do the analyses, there are a limited number of measurements of the 13C / 12C ratio in ice cores.

Although it has proved quite challenging to do the analyses, there are a limited number of measurements of the 13C / 12C ratio in ice cores.

Note that this sampling noise in the tide gauge data most likely comes from the water sloshing around in the ocean under the influence of winds etc., which looks like sea - level change if you only have a very limited number of measurement points, although this process can not actually change the true global - mean sea level.

Not exact matches

The authors point out that the literature has a number of methodological limitations, such as measurement and selection bias, and a restricted focus, in which the effects of a limited number of alcohol policies are considered without accounting for other alcohol policies.

«Despite having an enhanced number of field measurements, the geographical coverage of TRY is still limited with little or no data for much of the tropics, large swaths of Central Asia, Russia, South Asia and much of the Arctic,» said co-lead author Abhi Datta, formerly a PhD student in the Division of Biostatistics at UMN.

Cornell's group hasn't yet improved on the best existing measurement of the electron's sphericity, because the grouped ions disturb each other's spin and limit the number the trap can contain.

We aim to push its limits on all fronts to establish a technique which combines nanometre 3D resolution with maximum labelling efficiencies, absolute measurements of protein copy numbers, precise multi-colour measurements, high - throughput for large scale statistics and novel data analysis approaches, to address the vast array of exciting biological questions at the nanoscale, which are becoming accessible only now.

Attention to test scores in the value - added estimation raises issues of the narrowness of the tests, of the limited numbers of teachers in tested subjects and grades, of the accuracy of linking teachers and students, and of the measurement errors in the achievement tests.

It can be read as an early indicator of her need to impose a limiting framework upon herself — in this case an imagined box — but the score also connects her choreographic work to concurrent visual arts practices.17 Locus» gridded demarcation of the cube echoes any number of contemporary works, such as Robert Barry's sketches for wire installations and Mel Bochner's Measurement Room (1969), for which the vertical and horizontal dimensions of a room were inscribed directly onto the walls of the space, drawing attention to the physical characteristics of the gallery itself.

We have enough measurements to increase precision through quantity instead of quality in only a limited number of times and places.

The most important ramification is that if the distribution and depth of the snowpack is known on June 1, than summer water resources can be estimated for a wide range of basins from a limited number of primary ablation measurement sites.

Logistically, measurements are only made at a limited number of points and some areas of glaciers are too crevassed or steep to measure.

Another, in regards to modern calculations, is that atmospheric measurements are usually restricted to a small number of absorption bands, owing to the limits of technology.

Such field measurements are sparse, however, and the record of remotely sensed ocean color observations — the chief source of global biogeochemical data today — is limited to the sea surface and does not include a number of key variables.

Ability to read and comprehend simple instructions, short correspondence, and memos; ability to write simple correspondence; ability to effectively present information in one - on - one and small group situations Ability to add and subtract two digit numbers; ability to perform operations using units of American money and weight measurements, volume and distance Ability to solve practical problems and deal with a variety of variables in situations where only limited standardization exists; ability to interpret a variety of instructions furnished in written, oral, diagram or schedule form.

Findings suggest substantial improvement via an intensive approach for young children with autism; however, important differences in group assignment at baseline, difficulties with systematic measurement overtime, the lack of reported treatment fidelity or adherence characteristics, and the small number of children in the comparison group limit interpretation of these findings.