Freeze-dried foods A.always contain meat.B.need refrigeration.C.are dried and then frozen.D.last for a long time unspoiled. 答案 D[解析] 本题询问freeze-dried food“冻干食品”的特点。由短文中提到的“Freeze-drying...to keep food from spoiling”和“Years later,you can add milk or water.....
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www.dictall.com|基于 1 个网页 3. 冻干食物 5.冻干食物(Freeze-dried food):在计划长时间旅行的阿波罗任务中,NASA进行了大量的太空食物的研究。其中一个技术就是 … blog.sciencenet.cn|基于 1 个网页
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FREEZING AND ANNEALING– When the food is frozen, it is cooled to a temperature below its “triple point.” (The triple point is the lowest temperature at which the gas, liquid and solid phases of the food can coexist.) This is done so that when the food is dried in the next step,...
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You made it to basecamp, reached the peak, set up the campsite -- now it's time to savor the moment. With Mountain House's lightweight, easy to pack freeze-dried food, you'll have a delicious meal in minutes, allowing you more time to soak up the scenery and create lasting memorie...
With the improvement of human life, people pay more attention to the health and safety of foods. The demand for healthy and safe foods increased so much in the
Freeze-dried food is also relatively contamination-free since the dehydration process makes it virtually impossible for yeast and potentially harmful bacteria to survive. Finally, since the physical structure of the food is not altered during the freeze-drying process, the food retains much of its ...