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Protein estimations by the biuret method were highly correlated with Kjeldahl determinations for 87 samples of the seven major cereal grains. The extent of binding of acid orange 12 in a phosphate buffer at pH 1·7 was correlated with the protein content but was affected by non-specific binding which varied with the tested cereals. Extraction with 3M-urea at 4° yielded an average of 67·9% protein from wheat, 67·3% from wheat flour, 66·2% from rye, 71·2% from oats, 46·7% from barley, 32·1% from rice, 22·3% from corn, and 24·6% from sorghum. Differences in dispersible proteins seem to be affected by the disaggregating and hydrogen-bond-disrupting effect of urea, and seem to be related to amino-acid composition and functional properties of cereal proteins. The urea-dispersible protein fraction in wheat flour was higher than in whole wheat. 相似文献
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介绍了抗静电织物的设计和生产方法,对生产抗静电卡其织物的主要生产技术与关键措施作了分析说明,并对织物抗静电效果表征作了简要分析。 相似文献
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介绍了抗静电混纺面料88019-5的原料组成、纱线质量、坯布规格,以及各工序的生产工艺、技术难点及采取的相关措施。产品可广泛应用于有抗静电要求的种类行业装和工作服。 相似文献
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在分析高科技行业特种面料需求的基础上,叙述了防静电高密织物的设计理念,介绍了该织物研制与开发过程中关键工序和关键工艺的摸索与制订. 相似文献
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合成了聚酯-聚醚多嵌段型共聚物,经共聚物的共晶链段和亲水链段的理论估算,合成了一种聚酯-聚醚型亲水抗静电剂.应用IR、GPC、DSC等现代仪器分析手段分析了共聚物的结构特征.结果表明,共聚物中PEG的质量分数和分子质量是决定整理剂性能的主要因素,PEG的质量分数应为40%~50%,分子质量应为1540,共聚物的Tg(85.82℃)和Tm(109.1℃)是整理剂使用温度的主要参考数据. 相似文献