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An augmented matrix is therefore given, of which the number of dimensions is determined by adding the observed data for l time past together, and the forecast data after augmentation are taken as the input variables in BP neural network. Then, a forecasting model is developed on the basis of DPCA-BP neural network, with its architecture described.

通过计算前l时刻数据确定增广矩阵的维数，并把得到增广后的预测数据作为BP神经网络的输入变量，建立了基于DPCA-BP神经网络的预测模型，给出了模型结构。

During the investigation on the isolation of aureomycin from fermentation broth, it was observed that the stability of aureomycin depended upon the pH and temperature of the solution.

本文测定了金霉素在酸性溶液中(0.01，0.1及1N盐酸)及在碱性缓冲液中(pH7.4，8.0，8.6，9.2)的稳定性，找出在碱性缓冲液中的稳定性较在酸性溶液中为小。

The stability analysis of reversed austenite shows that the optimized stability can not be observed under the conditions provided in this work.

对稳定性的分析显示，在本文的工艺条件下，回转奥氏体的稳定性均未达到最佳。

Methods The changes of brain tissue ET, malonicaldehyde and excitatory amino acids and possible actions of anti-ET serum in 7 neonatal rats with hypoxic-ischemia and 8 control rats were observed by RIA, TBA and amino acid autoanalysis.

应用放射免疫法、硫代巴比妥法及氨基酸自动分析法观察：（1）正常鼠（n=7）及低氧缺血新生鼠（n=8）不同脑组织内皮素的变化。

The results show that the liftoff height of the CH4/Air jet flame decreases with the increase of the coflow temperature, and the change of the liftoff height versus the coflow temperature presents the twostages behavior, and the stabilization of lifted flame is dominated by the autoignition of premixed homogeneous mixture in lower coflow temperature range. The phenomena of rapid multipoint autoignition were observed in the experiment of diesel fuel spray issuing into the CATA, and a special lifted flame appeared with a triple flame.

结果表明：甲烷气体燃料火焰起升高度随协流温度的升高而降低，呈现出两阶段变化特点，低温段发生了明显的自燃现象，其火焰稳定由均质混合气自燃所主导；柴油液雾燃烧试验观察到了快速的多点自燃现象，形成了独特的起升火焰，有三重火焰的特征。

The observed results provide a plausible mechanism for how haptenization of self-antigens can lead to the development of autoimmunity.

上述观察结果为阐明自体抗原的半抗原化为何会引起自身免疫性疾病提供了一种似乎合理的解释。

Cells with signs compatible with both apoptosis and autophagy were observed.

细胞同时用凋亡和自噬标志进行观察。

The ADP-ribosylation of Gsαstimulated by CTX was observed by a autoradiography method.

应用放射性自显影的方法，观察了两组大鼠中CTX引起Gsα蛋白两个亚基发生的ADP-核糖化反应。

Methods Rat models of ischemic reperfusion in vivo were established. With autoradiography, the uptake of 99Tc-HL91 was observed in myocardium in control group, ischemic reperfusion group and ischemic group.

建立大鼠心肌在体缺血再灌注模型，采用体外放射自显影检测正常对照组、缺血再灌注组及无再灌注组心肌对99Tc-HL91的摄取。

Autoradiography results confirmed the extravasation of radiolabeled SCKs in vascularized areas of the tumor, whereas no diffusion was observed in necrotic regions.

放射自显影法的结果证实，放射性标记的SCK在肿瘤血管化区域溢出，而坏死区域观察不到扩散现象。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。