You must take the 6:30 flight to be able to attend the meeting. Tomorrow, the school will be closed at 3:00 p.m. Note: - Figures are used in designation of time with a.m. or p.m.: at 2:30 p.m. 12:00 a.m. (noon) 12:00 p.m. (midnight) at 9:15 in the morning.
Keep your freezer at zero degrees (0Â°) or below to maintain the quality of frozen foods. Most foods will maintain good quality longer if the freezer temperature is -10 to -20Â°F. At temperatures between 0 and 32Â°F, food deteriorates more rapidly. Fluctuating temperatures, such as those in self-defrosting freezers, also may damage food quality.
A freezer temperature range of â20 to â40 Â°C provides safe and stable storage conditions for many types of cells and reagents. The quality and suitability of the lab freezer, however, are often taken for granted when in reality the lab may be using an outdated or even a malfunctioning unit.ab freezers with auto-defrost. Temperature stability is one of the most important features of a laboratory freezer. The choice of a manual or auto-defrost freezer will depend on the stability needs of the samples stored inside.