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BACKGROUND 4-Hydroxycinnamaldehydes are important intermediates in several secondary metabolism pathways, including those involved in the biosynthesis of phenolic acids, flavonoids, terpenoids and monolignols. They are also involved in the biosynthesis and degradation of lignins, which are important limiting factors during the processes of papermaking and(More)
Wireless Mesh Network is a type of self-organization, self-healing and multi-hop network. The dynamic changes of the network topology and easy accessing of Wireless Mesh Network bring a great challenge to the security of Wireless Mesh Network. In this paper, we divide Wireless Mesh Network into five layers based on the different functions of nodes, and(More)
Latent fingerprints are the finger skin impressions left at the criminal scene unintentionally, which are important evidence for law enforcement agencies to identify criminals. Most of latent fingerprint images are of poor quality with unclear ridge structure and various non-fingerprint patterns. Segmentation is an important processing step to separate the(More)
The local ridge orientations are often used to describe fingerprint ridge flow patterns, providing useful information for fingerprint recognition. Although significant advances have been achieved for orientation estimation, it is still challenging to reliably compute the orientations for latent fingerprints, which are usually of poor quality with unclear(More)
Vulnerability discovery technology becomes more and more important in software development and network security. This paper presents the classification of vulnerability discovery technologies and discusses the advantages, disadvantages and the extent of application of each class. Then we emphasize the procedure and the improvement methods of the Fuzzing(More)
BACKGROUND 4-Hydroxycinnamyl alcohols are a class of natural plant secondary metabolites that include p-coumaryl alcohol, caffeyl alcohol, coniferyl alcohol and sinapyl alcohol, and have physiological, ecological and biomedical significance. While it is necessary to investigate the biological pathways and economic value of these alcohols, research is(More)