Sentence examples for it is difficult to clarify from inspiring English sources
Therefore, it is difficult to clarify or consolidate its definition, although many efforts have been made to define CAM in terms of concepts and models.
However, it is difficult to clarify the functions of all genes by only genetic techniques because estimation of functions from genome sequences has limitations.
The data of the azimuth of the P-axis seem to be rather scattered in figure 1 of Cheng et al. (2006), so that it is difficult to clarify the local stress fields along the two faults from this data.
Even though it is difficult to clarify the influence of these factors in these changes, their influence is examined by analyzing the relationships between developed area (including urban and residential area) and socioeconomic factors such as population, industrialization, traffic conditions, and infrastructure (Wikipedia 2014).
Here, we have shown several lines of findings that support that the IP3R-mediated Ca2+ signaling may be implicated in the calcineurin/NFATc signaling pathway although it is difficult to clarify whether IP3Rs may directly activate calcineurin during cardiogenesis.
In the cross-sectional design, it is difficult to clarify causal relationships among factors correlated with paternal postnatal depression.
Generally it was difficult to clarify the number of patients diagnosed with ULS and those receiving treatment for the condition.
So, it was difficult to clarify whether the effects were mediated by Snail or Slug or both proteins based on our data.
Because high correlations were also seen between NO2 and PM2.5 (r = 0.54 - 0.76) (Table 3), results from multi-pollutant model were likely affected by multicollinearity, and it was difficult to clarify the independent effects of NO2 and PM2.5 on PEF.
The data here highlights a potential role for the tail membrane in flight control, however whether this role is the primary function of the tail or a secondary function to improving prey capture is difficult to clarify.
However, whether these differences are species related or cell model specific is difficult to clarify.
