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“测定某种食物中的能量”实验装置的改进
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作者 董赛男 《实验教学与仪器》 2021年第4期33-34,共2页
在人教版初中生物学教材“测定某种食物中的能量”实验中,食物燃烧的能量转化率不高,实验误差较大。利用易拉罐制作燃烧器,以花生子叶为实验材料,可对该实验进行改进。实验改进后,可以提高能量转换率,减少实验误差。
关键词 能量测定 实验装置 改进 易拉罐 化生子叶
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Comparative Studies of the Biochemical Parameters of the Leaves and Seeds of Moringa oleifera
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作者 Abayomi Ezekiel Folorunso Kemi Feyisayo Akinwunmi Raphael Emuebie Okonji 《Journal of Agricultural Science and Technology(B)》 2012年第6期671-677,共7页
Comparative studies of the biochemical parameters of the leaves and seeds of Moringa oleifera was carried out to provide additional information on the nutritional status of the leaf and seed of M, oleifera. The vegeta... Comparative studies of the biochemical parameters of the leaves and seeds of Moringa oleifera was carried out to provide additional information on the nutritional status of the leaf and seed of M, oleifera. The vegetative and floral characters of the plants collected were examined, floral diagram and formular were recorded. Protein variation in the dry seed and leaf is an indication of protein polymorphism and this depicts the genetic divergence in the leaf and seed ofM. oleifera. Protein bands at 0.4, 1.1, 3.9 and 5.8 are taxonomically distinct, thus diagnostically separated the dry seed from other samples. Proximate analysis shows that the dry samples are more nutritious than the wet samples. 展开更多
关键词 Vegetative character floral character protein band proximate analysis Moringa oleifera.
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