Create: 2023-09-08 Update: 2024-05-13 08:17:42

Ученые из Калифорнии разрабатывают бесконечно перерабатываемый биопластик

Исследователи из лаборатории Беркли создают биопластик на основе материала BioTAL, производимого кишечной палочкой из растительных сахаров. Материал PDK (полидикетоенамин) может быть переработан бесконечное количество раз, и процесс переработки является дешевым и быстрым.

Это открытие может решить проблему загрязнения окружающей среды пластиком, так как новый материал имеет биологическую основу и экологически безопасен в отличие от традиционных пластиков, производимых на основе нефтехимии.

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Some messages aren’t supposed to last forever. There are some Telegram groups and conversations where it’s best if messages are automatically deleted in a day or a week. Here’s how to auto-delete messages in any Telegram chat. You can enable the auto-delete feature on a per-chat basis. It works for both one-on-one conversations and group chats. Previously, you needed to use the Secret Chat feature to automatically delete messages after a set time. At the time of writing, you can choose to automatically delete messages after a day or a week. Telegram starts the timer once they are sent, not after they are read. This won’t affect the messages that were sent before enabling the feature.

Ученые из Калифорнии разрабатывают бесконечно перерабатываемый биопластик

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