In view of the abuse of power by managers in the traditional centralized trading system, a security model without managers for the blockchain-based trading system was proposed, which also solved the problems of unsafe endorsement, untimely trading, low auditing efficiency and dynamic inefficiency caused by the elimination of managers.The proposed s
Abstract Background To assess the completeness of reporting, research transparency practices, and risk of selection and immortal bias in observational studies using routinely collected data for comparative effectiveness research.Method We Turntable Drive Button performed a meta-research study by searching PubMed for comparative effectiveness observ
The article explores the meanings of ennui in eighteenth-century England.Based on text searches, it proposes that the French term ennui was adopted into everyday usage in England around the mid-century, and was from the 1770s onwards used VCR Accessories to signify especially the temporal aspects of the word, that is, boredom.Ennui was closely tied
In the title compound, C25H22N2O3S, the sulfonyl-bound benzene ring forms dihedral angles of 36.8 (2) and 81.4 (2)°, respectively, with the formylbenzene and methylbenzene rings.The molecular conformation is stabilized by an intramolecular C—H.O hydrogen Acerola bond, Coffee Mug which generates an S(5) ring mo