中国面条要求面粉颜色白、灰分低，较高的蛋白质含量、中等偏强的面筋强度和较好的延展性以及较高的峰值粘度。
High flour whiteness, low ash content, medium protein content, medium to strong gluten strength and good extensibility, and high starch viscosity were desirable for Chinese noodle quality.
研究衍生聚偏二氟乙烯(PVDF)膜用于蛋白质及肽的固相序列测定的可行性。
Objective To investigate the feasibility of derivatized polyvinylidene difluoride (PVDF) membrane used for solid phase sequencing of proteins and peptides.
表明： 基于氨基酸组成和有偏自协方差函数为特征矢量的BP神经网络预测蛋白质二级结构含量的方法可有效提高预测精度。
It is shown that the BP neural network method combined with the amino-acid composition and the biased auto-covariance function features could effectively improve the prediction accuracy.
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