Beijing Baidu Netcom Science and Technology Co., Ltd.

Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Pr China

Academy of Military Medical Sciences

The Second Military Medical University

Xiong Liu

Hui Wang

Tao Li

Yuelin Wu

Jianzhong Yao

Zhenyuan Miao

Chunquan Sheng

Xiaoxue Lu

Wannian Zhng

Sen Luo

The present disclosure provides an answer searching method and device based on deep question and answer. The method includes: receiving a query statement; obtaining webpages containing candidate answers by searching according to the query statement; obtaining a first candidate answer, a second candidate answer and a third candidate answer based on a webpage analysis method, a deep learning method and a template matching method respectively; determining a final answer according to the first candidate answer, the second candidate answer and the third candidate answer; and displaying the final answer.

Answer searching method and device based on deep question and answer

The present invention discloses a class of mercaptonicotinic acid compound and preparation method and use thereof; the general structural formula of the compound is as shown in Formula I. Experiment demonstrates that the mercaptonicotinic acid compound could inhibit activity of botulinum toxin endopeptidase and tetanus toxin endopeptidase in vitro, which has a significant protective effect on botulinum toxin poisoning in mice, and can be used for preparing medicine intended to prevent and/or treat botulism, as well as to prevent botulinum toxin exposure and tetanus.

Mercaptonicotinic acid compound and preparation method and use thereof

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Beijing, China

Xiong Liu