Conjugate addition reaction of various nucleophiles across the vinyl group of 2-chloro-4-vinylpyrimidine, 2-chloro-4-(1-phenylvinyl)pyrimidine and 2-chloro-4-vinylquinazoline N-Acetyl Cysteine provides the corresponding 2-chloro-4-(2-substituted ethyl)pyrimidines and 2-chloro-4-(2-substituted ethyl)quinazolines.Treatment of these products, without … Read More

As a part of creative cultural industry, Footwear heritage tourism combines cultural, historical, artistic and scientific values.It includes both spiritual consumption and material consumption.It is not only a social and cultural phenomenon, but also an economic phenomenon, upgrading from sightseeing to purchasing goods and then to cultural experie… Read More

The Aeolian island of Lipari, just north of eastern Sicily, was a major geological source of high quality obsidian that was volcanically formed in the Late Mesolithic, followed by another major production in the 1st millennium AD.A much earlier volcanic 11G event on Lipari also produced some obsidian, but not of sufficient quality for tool producti… Read More

Makeup In the recent years, nonextraction treatment approaches and noncompliance therapies have become more popular in the correction of space discrepancies.One of the conventional approaches for space gaining in the arches without patient compliance is done by using certain extra oral appliances or intraoral appliance.The greatest advantage of cer… Read More

Internet of Things (IoT) ecosystems are becoming increasingly ubiquitous and heterogeneous, adding extra layers of complexity to secure communication and resource allocation.IoT computing resources are often located at the network edge and distributed across many heterogeneous sensors, actuators, and controller devices.This makes it challenging to … Read More