The paper introduced the principle of food puffing, normal sort and puffing techniques, summarized the status of puffing techniques, and discussed the development trends.
介绍了食品膨化的原理、膨化食品的标准分类及相应的膨化技术，总结了膨化食品技术的现状，并论述了膨化技术的发展趋势。
The barley powder food is prepared by the following method: extruding and puffing barley powder with a twin-screw extruder; and obtaining the barley powder food having regular shapes.
该大麦粉食品是按照下述方法制备得到的：将大麦粉利用双螺杆挤压机挤压膨化，即得到具有规则形状的大麦粉食品。
Results The risk factors leading to child malnutrition include partiality for a particular kind of food, being fond of puffing food, sweet drinks and snacks, premature birth and eating slowly, etc.
结果导致儿童营养不良的危险因素有偏食挑食、喜欢膨化食品、早产、进食速度慢、爱喝甜饮料、出生低体重、经常吃零食等；
Results The risk factors leading to child malnutrition include partiality for a particular kind of food, being fond of puffing food, sweet drinks and snacks, premature birth and eating slowly, etc.
结果导致儿童营养不良的危险因素有偏食挑食、喜欢膨化食品、早产、进食速度慢、爱喝甜饮料、出生低体重、经常吃零食等；
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