sample storage造句
例句与造句
- a sds-iso-propanol method suitable for tea plant, which was plentiful of tea polyphenols, had been developed using a modification of chen darning's method from different sample storage conditions such as fresh, dry and frozen shoots . it was a quick, easy, economical and effective method . the tactics were as follows : before the cell nuclear membranes were decomposed, the tea polyphenols and proteins etc . were removed
该法提取缓冲液使细胞维持一定的渗透压,研磨时使细胞核基本保持完整;在细胞核被裂解之前去除细胞质中的茶多酚、大部分蛋白质和rna;而后用sds裂解细胞核,异丙醇或乙醇沉淀dna,这样能经济、快速和有效地从富含茶多酚、茶多糖等次生物质的茶树新梢中提取基因组dna。 - a new model about measuring harmonics on-line is proposed in this paper . after band pass filtering, sampling storage and the monitoring on-line with artificial neural network ( ann ), we can obtain the harmonics signal, which is used to compensate harmonics . using the basic principle of analog parallel harmonics measurement and a special multi-layer feedforward neural network, a corresponding harmonics measurement on-line is built
在本文中提出了一种新型电网谐波监测系统模型,通过带通滤波器,采样存储器以及神经网络组成的监测系统可以实时监测电网谐波,当电网中的3次、5次、7次谐波超过容许值时,给出控制信号启动以记录仪记录谐波,并可以控制谐波补偿,最终达到监督电网,抑制谐波、减小谐波的目的。 - It's difficult to find sample storage in a sentence. 用sample storage造句挺难的