Sentence examples for difficulty to estimate from inspiring English sources

The nano and microhardness models show differences in the hardness values obtained, probably due to the difficulty to estimate the real indented area.

Modeling complications result from the sensitivity of machine RVs to different settings of machine operating parameters and the difficulty to estimate machine performance in terms of NP under stochastic running conditions.

The drawback of this technique is the difficulty to estimate depth for real-world complex scenes.

The maximum values of stage in testing set are higher than that for training set, this may cause difficulty to estimate discharge at extreme values.

One of the barriers for the diffusion of WTs in urban settlements is the difficulty to estimate the wind resource, which is highly site-specific and less predictable than the solar resource.

Otherwise, changes of ϕ r, ϕ a, A d, and A r will blur the resulting frequency of the SNR and increase the difficulty to estimate f M. If A d and A r change in a slow non-oscillatory way (as shown in Figure 1) with the elevation angle, it would not affect the estimate of f M.

The comparisons with the predictions show the difficulties to estimate the fatigue life on structures presenting high stress gradient due to scale effects.

The task complicates by the number of pathways to the surface, difficulties to estimate probabilities of leaks and fluxes, and predicting the fluctuating footprint of a leak.

Estimation of soil parameters by inverse modeling using observations on either surface soil moisture or crop variables has been successfully attempted in many studies, but difficulties to estimate root zone properties arise when heterogeneous layered soils are considered.

So, using the operational parameters of TBM to estimate the drop modulus is more comfortable than using the classifications of rock mass such as GSI, RMR and etc because of difficulties to estimate the rock mass classifications in mechanized excavations.

In Brazil, however, there are still difficulties to estimate its real occurrence.