A technological research on recognition of handwritten Chinese characters based on improved BP algorithm is summarized. This algorithm can enhance convergence speed.

研究了手写体汉字识别技术，采用改进BP算法进行网络训练，提高了算法的收敛速度。

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ConclusionOrthogonal experimental results could be used to training BP-NN and the trained BP-NN could forecast the extraction results of active components in Chinese herb medicines.

结论可利用正交实验数据对BP网络进行训练，利用训练好的网络对中药药效物质基础的超临界萃取结果进行预测。

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Objective: to study the changes of lymphocytes subpopulation and apoptosis process of lymphocytes in the elderly and to investigate the modulatory effect of bp from Chinese herb on apoptosis.

目的：研究老年人淋巴细胞亚群及其细胞凋亡过程，探讨中药成分对细胞凋亡的调控作用。

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Would they be happy letting BP develop indigenous Chinese shale and tight oil plays?

FORBES: A Weak Russia Is A Dangerous Russia For BP

In exchange, the Chinese oil firm signed a letter of intent with BP Amoco calling for the establishment of a gas-marketing joint venture in eastern China.

CENTERFORSECURITYPOLICY: Center For Security Policy

BP, Chevron and others are involved in exploration joint ventures with Chinese partners.

ECONOMIST: Global reserves