Abstract: The present invention relates to an apparatus for determining a cell culturing condition and a method of operating the same. The method includes acquiring a first quality attribute and a first influence variable at a first point in time from a cell culture medium, acquiring a first injection variable, applying at least one of the first quality attribute, the first influence variable, and the first injection variable to a culture simulation model and acquiring a second quality attribute and a second influence variable at a second point in time, and selectively changing the first injection variables so that the second quality attribute meets a predetermined condition.

Abstract: The present disclosure is relates to a centrifugal turbo machine equipped with stretchable and variable diffuser vanes capable of securing further improvement of compression efficiency by reducing an angle of the vane and increasing a length of the vane using forced rotating driving of a diffuser during operation of a compressor so as to reduce frictional loss of the fluid when a flow rate of fluid is reduced.

Abstract: The present disclosure is relates to a centrifugal turbo machine equipped with stretchable and variable diffuser vanes capable of securing further improvement of compression efficiency by reducing an angle of the vane and increasing a length of the vane using forced rotating driving of a diffuser during operation of a compressor so as to reduce frictional loss of the fluid when a flow rate of fluid is reduced.

Abstract: A remote controller for providing at least one menu to control a plurality of external apparatuses is provided. The remote controller includes a display, a sensor which senses a gripping direction of the remote controller, and a controller which displays at least control menu of one of the plurality of external apparatuses on the display according to the sensed gripping direction.