Sum of tidal volume, inspiratory reserve volume, and expiratory reserve volume volume of air that can be forcibly expired after a maximal inspiration Sum of the expiratory reserve volume and residual volume aka volume remaining in lungs after tidal volume is expired cannot be measured by spirometry What is the functional residual capacity (FRC)? Sum of the tidal volume and inspiratory reserve volume (IRV) What is the minute ventilation and how is it calculated?Īmount of volume ventilated in a minute minute ventilation=tidal ventilation*breaths/minĪlveolar ventilation=(tidal volume-dead space)*breaths/min Volume of lungs that does not participate in gas exchange may be larger than anatomical dead space diseases where there are ventilation/perfusion deficits What is the physiological dead space and how does it compare to the anatomical dead space? Volume of conducting airways normally around 150mL What is anatomic dead space and what is its normal value? Volume that remains in lungs after maximal expiration cannot be measured by spirometry What is the residual volume (RV) and what cannot be used to measure it? Volume that can be expired after the expiration of a tidal volume What is the expiratory reserve volume (ERV)? Volume that can be inspired over and above the tidal volume it is used during exercise What is the inspiratory reserve volume (IRV)and when is it used? Volume inspired or expired with each normal breath
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Since we are delivering one version that can be played across all the devices, and not having different versions, this was rather tough.Īnd then adding Android, and Amazon now, we are so widely spread. We have players that have stayed with us for more than three, four, five years. We needed to catch up on mobile, while keeping up development on browser. We also had to catch up with all the features, because our initial release on iOS was 2014. Launching on browser in 2012 with not a small scope, but a rather small scope, five years later more than 50% of our players are now on mobile. Stefan Walter: It was a different experience. With Forge of Empires now more than two years old, how do you reflect on its performance from launch to the mature title it is now? This interview was conducted at InnoGames' Hamburg headquarters as part of the company's 10th anniversary celebrations. In this entry, we discuss city-building strategy game Forge of Empires with InnoGames Senior Product Manager Stefan Walter.įorge of Empires launched first on browser in 2012, before coming to mobile in 2014. In an attempt to find out, this regular feature will talk to the developers behind maturing live games about their experience so far. has long been investigating the Making Of notable games soon after their launch, but what happens long after a game is released? These are games-as-a-service that require constant operation and updating, often over a period of several years. These aren't boxed products released onto shop shelves, never to be worked on again. It's often said in the world of free-to-play development that launching a game is the beginning, not the end. |
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