SYNTHESIS, COMPLETE ASSIGNMENT OF 1H- AND 13C-NMR SPECTRA AND ANTIOXIDANT ACTIVITY OF NEW AZINE DERIVATIVE BEARING COUMARIN MOIETY

Synthesis, complete assignment of 1H- and 13C-NMR spectra and antioxidant activity of new azine derivative bearing coumarin moiety

In this research, the synthesis of a new azine derivative with coumarin moiety was performed in three reaction steps, starting from 4-hydroxycoumarin.The first step in synthesis was the acetylation of 4-hydroxycoumarin to yield 3-acetyl-4-hydroxycoumarin and then the obtained 3-acetyl-4-hydroxycoumarin was reacted Decor with hydrazine hydrate and g

read more

Prevalence of parent-reported food allergy among children in China: A population-based cross-sectional survey

ObjectiveThe prevalence of food allergy (FA) has been increasing in recent years and has become an important public health, food safety, and clinical nutrition problem.However, population-based studies on the prevalence of FA are very limited in China.This study aims to determine the prevalence and pattern of parent-reported FA among school childre

read more

SecFedIDM-V1: A Secure Federated Intrusion Detection Model With Blockchain and Deep Bidirectional Long Short-Term Memory Network

Cloud computing is a technology for efficiently using computing infrastructures and a business model for selling computing resources and services.However, intruders find such complex and distributed infrastructures appealing targets for cyber-attacks.Cyber-attacks are severe threats that can jeopardize the quality of service provided to clients and

read more

A Pricing Strategy of E-Commerce Advertising Cooperation in the Stackelberg Game Model with Different Market Power Structure

A lot of research work has studied the auction mechanism of uncertain advertising cooperation between Sensory Toy the e-commerce platform and advertisers, but little has focused on pricing strategy in stable advertising cooperation under a certain market power structure.To fill this gap, this paper makes a study of the deep interest distribution of

read more

A Short Fieldwork Report on the Nuba Mountains

This is a review on a fieldwork undertaken among the Underwear Nymang ethnic community residing on the legendary Nuba Mountains of southern Kordofan, Sudan, in 2005.It is a result of participatory observation, and the view taken on it is retrospective.The author was able to study the social and cultural life, rituals, taboos, musical traditions, an

read more