What are the main inefficiencies in trial conduct: a survey of UKCRC registered clinical trials units in the UK

Abstract Background The UK Clinical Research Collaboration (UKCRC) registered Clinical Trials Units (CTUs) Network aims to support high-quality, efficient and sustainable clinical trials research in the UK.To better understand the Benches challenges in efficient trial conduct, and to help prioritise tackling these challenges, we surveyed CTU staff.

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Technologies for Fabricating Large-Size Diffraction Gratings

Large-size diffraction gratings have played an important role in modern scientific fields such as inertial confinement fusion, large-aperture astronomical telescopes, and high-precision immersion Jacket lithography machines with long-stroke displacement stages.However, due to the large size and high accuracy requirements of gratings, and considerin

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