The 80% ethanol extract of Alstonia yunnanensis afforded five new monoterpenoid indole alkaloids: 11-hydroxy-6,7-epoxy-8-oxo-vincadifformine (1), 14-chloro-15-hydroxy- vincadifformine (2), perakine N4-oxide (3), raucaffrinoline N4-oxide (4), and vinorine N1,N4-dioxide Tracker Bottle (5), together with three known compounds: 11-methoxy-6,7-epoxy-8-o

The ever-increasing demand for electricity has presented a grave threat to traditional energy sources, which are finite, rapidly depleting, and have a detrimental environmental impact.These shortcomings of conventional energy resources have caused the globe to switch from traditional to renewable energy sources.Wind power significantly contributes

CORLI is a consortium of Huma-Num, the French national infrastructure dedicated to the technical support and promotion of digital humanities.The goal of CORLI is to promote and provide tools and information MODUCARE for good and efficient research practices in corpus linguistics, especially on spoken language corpora.Because of the time required to

Tracker Bottle This work illustrates the development of passive noise control (copyright) improvements of aircraft headrests to enhance the acoustic comfort for passengers.Two copyright improvements were studied with the aim of reducing the noise perceived by passengers during flight.Two headrest configurations, with and without the lateral caps, a

Agricultural water management provides the basic support and guarantee for targeted poverty alleviation.This Charms (Jewelry) paper presents a 3E + 1 evaluation model for the performance of agricultural water management in targeted poverty alleviation based on 3E theory, which is more scientific, reasonable, and reliable.On this basis, an evaluatio