Ettringite is a hexacalcium aluminate trisulfate hydrate mineral that forms during Portland cement hydration. Its presence plays an important role in controlling the setting rate of the highly ...

Newly released Medicare national coverage determinations are set to reshape the home ventilation landscape for chronic obstructive pulmonary disease (COPD). The final determination of coverage ...

Toggle dark mode. Chart shows iOS, iPadOS, and macOS release timing trends over the years. ... a new chart making the rounds offers a great visual snapshot of when each OS has landed since 2013.

Across 23 centers in seven countries, 722 patients were enrolled, and 573 underwent randomization and were included in the analysis. The median time to successful liberation from mechanical ...

In this number of the journal, the study "Mechanical ventilation time and mortality after coronary artery bypass grafting: A cohort study" 1 evaluated retrospectively 110 patients of a single center, ...

16. Wang YP, Wei Y, Chen XY, Zhang LX, Zhou M, Wang J. Comparison between pressure-controlled ventilation with volume-guaranteed mode and volume-controlled mode in one-lung ventilation in infants ...

The largest analysis of hospitalized U.S. COVID-19 patients to date finds that most did not survive after being placed on a mechanical ventilator. The study included the health records of 5,700 ...

Number of days until liberation from mechanical ventilation or discharge. Credit: BMC Geriatrics (2025). DOI: 10.1186/s12877-025-05963-0 ...

In this work, a smooth super twisting sliding mode control methodology is proposed to stabilize chained form nonholonomic system. As conventional sliding mode control causes an oscillating behavior ...