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This paper studied the effect of Instantaneous High Pressure treatment on chemical quality of pear juice through Ascorbic acid,amino nitrogen,total sugar and total acid of four aspects.

通过还原型Vc、氨基态氮、总糖和总酸4个方面研究了瞬时高压作用对早酥梨汁化学品质的影响。

The effect of high hydrostatic pressure treatment (0.1～500 MPa) combined with mild heat treatment (20～60 ℃) under different pH values (3.0～7.0) on polyphenoloxidase activity of Chinese Dangshan pear juice was investigated in this paper.

研究了超高压中温协同处理对砀山梨汁中多酚氧化酶活性的影响，实验压力为0.1～500MPa，温度为20～60℃。此外，考察了不同pH值(3～7)和保压时间(2～34min)超高压处理对酶活性的影响。

Results showed that the polyphenoloxidase was activated when the high pressure treatment on the pear juice was carried out under the temperature 50 ℃,the dwell time 10 min,the pH5 and the pressure between 200～300 MPa.

实验结果分析表明：在处理温度为50℃、保压时间为10min和梨汁pH值为5的条件下，200～300MPa处理梨汁时多酚氧化酶被激活，活性表现最高；500MPa时酶的活性下降到75.3%。协同温度为30℃处理梨汁时，酶的活性反而增大；30℃以后，酶活性随温度升高而迅速降低；有效协同高压处理的温度为40℃。

Brix pear juice was treated with FPC-21 resin to reduce the pH value to 4.05, then treated with XAD-16 resin to rise color value (T 440) up to 85%, and concentrated to 70 °Brix. The color value of PJC is over 45% after storing at 37℃ for 35 d, which can meet the export regulation.

采用阳离子树脂处理将酥梨汁的pH值降低为4.05，再经吸附树脂将色值提高为85%，浓缩至70 °Brix的酥梨汁在37℃下贮存35 d后，色值仍大于45%，符合出口要求。

The paper studied the effect of Instantaneous High Pressuretreatment on chemical quality of pear juice through Ascorbic acid,amino nitrogen,total sugar and total acid of four aspects.

通过还原型VitC、氨基态氮、总糖和总酸四个方面研究了瞬时高压作用对早酥梨汁化学品质的影响。

Other food items included sorghum, taro, mallow, mustard plant, jujube, pear, plum (including prunus salicina and Prunus mume), peach, apricot, and myrica.

其他的食品还有高粱，芋头，锦葵，芥菜，枣，梨，李子，桃子，杏和杨梅。

Our factory specializes in the production of cubic zirconia, glass, crystal sharp, artificial gemstones such as corundum products, size color complete, innovative and diverse shapes, including round, heart-shaped, egg-shaped, pear-shaped, horse eye, rectangular, square, triangular fat, Plum, pentacle, Ossetia side, gold ingot, three-dimensional droplets, leaf-shaped variety of colors, such as product and customer requirements can be level for production, processing, products, and quality assurance.

本厂专业生产立方氧化锆、玻璃、尖晶、刚玉等人造宝石产品，尺寸颜色齐全，造型新颖多样，包括圆形、心形、蛋型、梨型、马眼、长方形、正方形、肥三角、梅花、五角星、梯方、元宝、立体水滴、叶形等形状的各种颜色产品，并可按客户的要求级别进行生产加工、订做、品质保证。

Will continue to expedite import approval of Chinese horticultural products such as pear s, longans, and penjing upon receipt of required data and documentation.

美国同意，在收到要求提供的数据和文件情况下，将继续加快批准进口中国的园艺产品，如梨、龙眼、盆景等。

Apple, bed, yellow, panda, desk, banana, monkey, mango, bird, brown, peach, chair, green, sofa, tiger, pear, zebra, black, telephone, white, elephant, bookcase, red.

二、将对应的英文选项序号填在中文下的括号内。1。两个橙色的橘子2。一个红色的书橱3。一个蓝色的书桌4。两个黄色的香蕉5。一个绿色的西瓜

Using flashcards we learned many different fruit names: apple, banana, grapes, lemon, mango, melon, orange, peach, pear, and watermelon.

这周我们学习了水果和蔬菜，我们学到了不同的水果名称：苹果，香蕉，葡萄，柠檬，芒果，瓜，桔子，桃子，梨，菠萝和西瓜。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。