Sentence examples for study difficult from inspiring English sources

The mostly chronological arrangement, many felt, presented too narrow a picture of the Met's overall collection, and scholars had long complained that too much of that collection — some 12,000 objects — was not sufficiently cataloged, making study difficult.

The vastness of the region, coupled with the low density of orcas, makes a traditional scientific study difficult.

The lower percentage of conventionalized linguistic features whose pragmatic functions are shared cross-culturally might have made the Lin items in this study difficult.

As a matter of fact, the tissue-engineered bone or the biomaterials are solid and opaque, which makes the study difficult.

While this phantom represented our best available vascular access model, the differences with human tissue and the location of deeper vessels make extrapolation of this study difficult in a live human setting.

Emergency laparotomy procedures have a high risk profile, but the currently available risk-assessment models for emergency laparotomy are either unreliable (eg, small sample size or single center study), difficult to calculate preoperatively, or are specific to the geriatric population.

Over the past two decades, particular attention has been focused on the characterization of inorganic and organic materials occurring as binders, organic dyes and varnishes in paintings: the mixture of many materials and the chemical changes induced by ageing, long term chemical reactions with pigments, and environmental pollution make the study difficult and challenging [3, 4].

However, this study could not be performed in the real-time clinical environment because of the need to study difficult airway management in a reproducible way, and without any potential for patient harm due to a lack of provider expertise with the studied device.

Although in vitro experiments show pro-inflammatory and pro-coagulant effects of PMPs, there is little evidence for a specific deleterious role of PMPs in ALI, a study difficult to address due to microparticle identification uncertainties and to the simultaneous presence of microparticles from various origins with heterogeneous functions [158, 171].

In the Vågå study of headache epidemiology [5], up to 1% of the individuals surveyed exhibited a clinical picture that seemed to resemble HC but the diagnosis could not be confirmed for the compliance problems of the study (difficult to assess the response to indomethacin).

One major limitation currently with studying street level urban design qualities for walkability is the often inconsistent and unreliable measures of streetscape features across different field surveyors even with costly training due to lack of more objective processes, which also make large scale study difficult.