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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)
—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)
A continuous microbial fuel cell system was constructed treating ammonium/organics rich wastewater. Operational performance of MFC system, mechanisms of ammonium removal, effect of ammonium on organics removal and energy output, C and N balance of anode chamber and microbial community analysis of anode chamber were studied. It was concluded that(More)
Composts are considered one of major sources that contribute heavy metals to the environment. The objective of this study was to investigate historical changes and spatial variation of metal concentrations in Chinese composts by analysing representative compost samples and published data from 2002 to 2013. Mean concentrations of cadmium (Cd), chromium (Cr),(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)