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红椒色

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The result indicates that the best method for extracting β-carotene is to saponify the test specimen one hour with 4% NaOH methyl alcohol solution in 60-70'c and then to separate with 3:7 acetone-benzine component solvent as extraction solvent, MgO as the absorbent, the acetone-benzine as the eluent. Extracted solvent has been determined in the color dish condition (1cm) by ultraviolet spectrophotometer at 447 nm. The result shows that the β-carotene in carrotis 0.134 mgg^(-1), 0.0863mgg^(-1) in red pepper and 0.0426 mgg^(-1) in spinach.

结果表明,比较优先的β-胡萝卜素提取方法是:试样用4% NaOH甲醇溶液在60℃~70℃皂化1h,用3:7的丙酮-石油醚混合溶剂提取,以Mgo为吸附剂,丙酮-石油醚为洗脱剂分离,提取液用紫外分光光度计在波长447nm,1cm比色皿条件下测定,得出蔬菜中β-胡萝卜素含量:胡萝卜为0.134mgg^(-1),红椒为0.0863mgg^(-1),菠菜为0.426mgg^(-1)。

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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。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。