Angle log-periodic meander line microstrip radial sheet beam traveling-wave tube is one kind of novel minimized vacuum device with low beam voltage. To generate and focus the radial sheet electron ...

Blockage of Co Down pensioner’s drainage tube had ‘catastrophic consequences’, inquest told Janet Layland died following emergency surgery at Ulster Hospital in summer 2020 (Stock image) ...

BERGEN, Norway — The medieval heart of this 955-year-old city is home to one of the most high-tech waste management systems in the world. Beneath the cobblestones lies a network of tubes that ...

Amcor successfully reduced the weight of the company’s flexible tubes, achieving a 16.67% decrease in wall thickness. This adjustment pertains to the 50mm-diameter flexible tubes utilised for ...

Objectives Evaluation of a pilot study of an online consultation system in primary care. We describe who used the system, when and why, and the National Health Service costs associated with its use.

Introduction Spontaneous pneumothorax (SP) is broken down into primary (PSP: no known underlying lung disease), secondary (SSP: known lung disease) and from trauma or iatrogenic pneumothorax (IP).