In this paper, the conditions under which the occurrence of the local bifurcation (such as saddle-node (SN), transcritical (TC), and pitchfork (PT)) of all stable points of a food web model have been investigated.Fear and anti-predator 2006 nissan altima radio responses involving the Holling-type IV and Growly-Martin functional responses have been
Foreign body esophagus remains one of the common medical emergencies which may lead to significant morbidity and mortality.Sharp objects, batteries, and elderly with foreign body esophagus should be treated with emergent removal owing to the complications that might ensue.Endoscopic removal is the preferred choice of treatment but for large foreign
The biocompatible strechable ionogels were prepared by a facile solution-processed method.The ionogels emtek 2113 showed outstanding stretchable and self-healing properties.The electrical property could revert to its original state after 4 s.The repaired ionogels here could still bear stretching about 150%.Moreover, the ionogels exhibited high sens
The real-time tension monitoring of wire ropes is a universal way to judge whether emtek 2113 the hoist is overloaded in the special working environment of the coal mine.However, due to the strong drafts, unevenness of guide and flexible vibration of wire ropes, it is a challenge to monitor the tension with high accuracy.For this purpose, a new typ
Remanufacturing reduces the consumptions of energy and raw materials while causing damage to the environment in the process of raw materials extraction, production, use, recycling, and disposal.Some regulators encourage the firms to remanufacture, and the others levy environmental tax (such as carbon tax) to make the firms internalize environmental