Four common techniques for the removal of dissolved oxygen from water have been examined: boiling at 1 atm, boiling under reduced pressure, purging with N(2) and sonication under reduced pressure. What is Daw water? Deaerated water systems are an important component within the brewing process. Once these dissolved gases areRead More →
Why is Maxillomandibular Advancement performed? This is a major surgery, lasting roughly 6 hours. The recovery process is most difficult during the first 4-6 weeks, during which social support is key. Most patients return to work after 1 month. Is mandibular advancement necessary? Mandibular advancement devices are a useful toolRead More →
Negative work done – The work done is said to be negative when force and displacement are in opposite directions. … Note: Work done by friction is always zero because friction force and displacement act in opposite directions. Why is a negative force attractive? Why is negative potential attractive? ForceRead More →
Ingenuity has 30 extra Martian days to fly. NASA’s Mars helicopter Ingenuity will keep flying for an additional 30 days (at least), on an extended mission that will test the chopper’s ability to be a “scout,” the agency announced today (April 30). What’s next for Ingenuity? Ingenuity has a newRead More →
Negative work done – The work done is said to be negative when force and displacement are in opposite directions. … Note: Work done by friction is always zero because friction force and displacement act in opposite directions. Why is a negative force attractive? Why is negative potential attractive? ForceRead More →