以绿豆为原料,通过低压蒸煮使其具有一定的糊化度,当与大米共煮时可以达到同熟。采用响应面法对绿豆的低压蒸煮工艺进行了优化,确定绿豆低压蒸煮最佳工艺参数为:蒸煮压力为50 k Pa、蒸煮时间4.5 min、豆水比为1:1.7,在该蒸煮条件下,绿...以绿豆为原料,通过低压蒸煮使其具有一定的糊化度,当与大米共煮时可以达到同熟。采用响应面法对绿豆的低压蒸煮工艺进行了优化,确定绿豆低压蒸煮最佳工艺参数为:蒸煮压力为50 k Pa、蒸煮时间4.5 min、豆水比为1:1.7,在该蒸煮条件下,绿豆的糊化度为41.02%,综合评分为93分。经低压蒸煮处理的绿豆外观形态完整,能与大米达到共煮同熟。低压蒸煮使绿豆的光泽变暗,呈黄绿色。低压蒸煮后的绿豆脂肪与淀粉含量增加,蛋白质与纤维素含量减少。另外,X-衍射图谱较好地解释豆水比对糊化度的影响。展开更多
This paper analyzes the possibility of applying binary nonazeotropic refrigerants in the jet refrigeration cycle. The thermodynamic cycle performance of two kinds of working pairs (R30/R142b, R30/R124) are calculated ...This paper analyzes the possibility of applying binary nonazeotropic refrigerants in the jet refrigeration cycle. The thermodynamic cycle performance of two kinds of working pairs (R30/R142b, R30/R124) are calculated using the EOS of PR equation of state, and the results are discussed. The theoretical calculations indicate that refrigerating quality can be improved if the binary mixtures evaporate just in the low temperature region. The character of the rejecter to compress two phase medium supports the possibility of this kind of cycle.展开更多
文摘以绿豆为原料,通过低压蒸煮使其具有一定的糊化度,当与大米共煮时可以达到同熟。采用响应面法对绿豆的低压蒸煮工艺进行了优化,确定绿豆低压蒸煮最佳工艺参数为:蒸煮压力为50 k Pa、蒸煮时间4.5 min、豆水比为1:1.7,在该蒸煮条件下,绿豆的糊化度为41.02%,综合评分为93分。经低压蒸煮处理的绿豆外观形态完整,能与大米达到共煮同熟。低压蒸煮使绿豆的光泽变暗,呈黄绿色。低压蒸煮后的绿豆脂肪与淀粉含量增加,蛋白质与纤维素含量减少。另外,X-衍射图谱较好地解释豆水比对糊化度的影响。
文摘This paper analyzes the possibility of applying binary nonazeotropic refrigerants in the jet refrigeration cycle. The thermodynamic cycle performance of two kinds of working pairs (R30/R142b, R30/R124) are calculated using the EOS of PR equation of state, and the results are discussed. The theoretical calculations indicate that refrigerating quality can be improved if the binary mixtures evaporate just in the low temperature region. The character of the rejecter to compress two phase medium supports the possibility of this kind of cycle.