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The existing blockchain system mostly adopts the equal mining mode.All bookkeepers (entities) record the books on a single main chain,and the data storage is random.Moreover,in complex or classified financial scenarios,the data of the main chain is difficult to realize association or regular storage,leading to low storage and query efficiency.At the same time,most event traceability in the existing blockchain system can only query the source block,and the implied association between entities cannot be identified,so the query has limitations.To solve these problems,composite blockchain associated event tracing method is proposed.Firstly,the composite chain storage structure model of blockchain is constructed,and the concepts of private chain and al-liance chain are proposed to realize the adaptive data association storage under complex or classified scenarios.Then,in the traceability query,on the basis of obtaining the event source entity block,the auxiliary storage space is set up to transfer the relevant data.A tracing method of the associated entity block based on the Apriori algorithm is proposed,and then the obtained traceability entity block is constructed as the source event correlation graph to describe the correlation relationship between the event entities.Finally,the risk assessment system based on reinforcement learning is proposed to realize the traceability entity risk assessment.Experiments show that the composite blockchain associated event tracing method can reduce the storage overhead by 60%,improve the query accuracy by 90% and improve security by 50%.

Some new compounds ( E)-3-aryl-1-(5-methyl-1- p-tolyl-1 H-1,2,3-triazol-4-yl)-prop-2-en-1-ones 5a-e were prepared by 1-(5-methyl-1- p-tolyl-1 H-1,2,3-triazol-4-yl)-ethanone and various aromatic aldehydes. Then one pot reaction was happened by compounds 5a-e with hydrazine hydrate in acetic acid or propionic acid, respectively, to give the title compounds 1acyl-5-aryl-3-(5-methyl-1- p-tolyl-1 H-1,2,3-triazol-4-yl)-4,5-dihydro-1 H-pyrazoles 6a-i. All structures were established by MS, IR, CHN, 1H-NMR and 13C-NMR spectral data. J. Heterocyclic Chem., (2012). [ABSTRACT FROM AUTHOR]

Some new target products 5-aryl-4,5-dihydro-3-(5-methyl-1- p-tolyl-1 H-1,2,3-triazol-4-yl)-1-(4-phenylthiazol-2-yl)pyrazoles 5a-j have been synthesized by reaction of 2-bromo-1-phenylethanone and compounds 4a-j which were prepared from the combination of thiosemicarbazide and ( E)-3-aryl-1-(5-methyl-1- p-tolyl-1 H-1,2,3-triazol-4-yl)-prop-2-en-1-ones 3a-j. All the structures were established by MS, IR, CHN, and 1H NMR spectra data. Synthesis of structure diversity is applied. J. Heterocyclic Chem., (2011). [ABSTRACT FROM AUTHOR]

In the title compound, C(24)H(17)ClN(6), the dihedral angles between the triazolyl ring and its adjacent chlorobenzene and trisubstituted benzene rings are 90.6 (2) and 55.7 (3)°, respectively. The dihedral angle between the trisubstituted ring and the attached tolyl ring of the biphenyl unit is 45.9 (3)°. Intra- and intermolecular N-H⋯N hydrogen bonds are present.