Honeybees protect their colony against vertebrates by mass stinging and they coordinate their actions during this crucial event thanks to an alarm pheromone carried directly on the stinger, which is therefore released upon stinging.The pheromone then recruits nearby bees so that more and more bees participate in the defence.However, a quantitative

The Hair Color fractional frequency transmission system is an emerging technology for long-distance wind power integration, and the modular multilevel matrix converter (M3C) is the keen equipment.Since the M3C directly connects two ac grids with different frequencies, the external and internal harmonics have complex coupling relationships with a un

ABSTRAKSejak diakuinya Batik sebagai warisan budaya tak benda oleh UNESCO, perkembangan industri batik mengalami perkembangan seiring dengan peningkatan permintaan pasar.Pada saat ini peralatan utama untuk membatik (kursi, gawangan, canting, kompor, meja cap, canting cap, wajan cap, dan lain-lain) masih menggunakan peralatan batik yang lama, yang b