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3 天前 · A lot of biodegradeable plastic really does break down, but only under certain conditions. One of the most common compounds is a polyester known as PLA, short for polylactic acid, which will ...
3 天前 · Episode 240129 / 29 Jan 2024. 众所周知，塑料污染对环境有很大的危害，但使用塑料制品一定是件坏事吗？ 举个例子：生产一个塑料袋所消耗的自然资源以及运输它所产生的碳排放其实比生产和运输一个棉布袋所消耗的资源、产生的碳排放要少很多。 如果可以重复使用这个塑料袋，而不是用过一两次后便将其丢弃，那么这个塑料袋对环境的危害并不一定比其它材质的袋子大。...
3 天前 · Biodegradable plastic is one promising solution, and scientists around the world are working on new kinds. Dr. Huber’s team in Wisconsin, for example, has been developing a new type of plastic made from corncobs that’s readily biodegradable and could potentially replace polyethylene, which is used widely for packaging.
2 天前 · Microplastics, small pieces of plastic, less than 5 mm (0.2 inch) in length, that occur in the environment as a consequence of plastic pollution. Microplastics are present in a variety of products, including cosmetics, plastic bags, and bottles. Many of these products readily enter the environment in wastes.
1 天前 · single-use plastic plastic products which are designed to be used just once before being thrown away microbeads tiny plastic particles found in personal care products like toothpastes and body...
1 天前 · CNN —. Human testicles contain microplastics and nanoplastics at levels three times higher than animal testes and human placentas, a new small study found. “These plastics are often nano-scale ...
3 天前 · Pokémon 立體砌圖及精靈球收納盒將於 5 月 22 日早上 7 時起登陸 7- Eleven，數量有限，換完即止。. 此外，每包立體砌圖將內附印花一張，由5月22日起只要集齊25張印花 ，即可「儲印花免費換」訓練家背囊一個 。. Pokémon粉絲們可以到 7-Eleven 換購，集齊全套成為最強 ...
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