Last week, we mentioned how scientists had developed an enzyme that can help break down a common form of plastic called polyethylene terephthalate or PET. Here are the details on how that works.

上周，我们提到了科学家们是如何开发出一种酶来帮助分解一种叫做聚对苯二甲酸乙二醇酯或PET的常见。面是有关如何工作的详细信息。

These can break down polyethylene, a very common plastic that normally degrades over many years.

它们可以分解聚乙烯——一种很常见的，通常需要很多年才能降解。

Polyethylene, used in plastic bags, was one of the most common particles.

用于袋的聚乙烯是这些样本中最常见的微之一。

Around one-third of plastic waste is polyethylene.

大约三分之一的圾是聚乙烯。

Sprite's current plastic contains green polyethylene terephthalate (PET) , an additive that can't be recycled into new bottles, a key initiative for the company as it looks to reduce plastic waste.

可口可乐公司表示，目前的瓶子含有无法循环利用的绿色聚对苯二甲酸乙二醇酯（PET），而从瓶子中去除颜色可以提高回收材的质量。

For example, a common plastic called LDPE, or low-density polyethylene, releases methane 488 times faster in a powdered form than in pellet form.

例如，有一种叫做LDPE的，全称低密度聚乙烯，它以式释放甲烷的速度比颗粒式快488倍。

The purified DMT and MEG are then turned back into PET, polyethylene terephthalate, which is the base material for many plastic products.

净化后的 DMT 和 MEG 会被转化回 PET，聚对苯二甲酸乙二醇酯，这也是很多产品的基本材。

It's coated in a protective layer of polyethylene, copper sheathing, aluminum or steel wires according to taste, and lovingly smothered in vaseline.

它被一层保护层包裹，根据个人喜好，可以选择聚乙烯、铜护套、铝或钢丝，并精心涂抹上凡士林。

" We checked that, doing proper lab experiments, and we found that the polyethylene had been oxidized, " she said.

“我们做了适当的实验室实验进行核实，我们发现聚乙烯被氧化了。”

So in this saliva, we found two enzymes that can reproduce the effect of the saliva, meaning oxidising polyethylene.

在这些唾液中，我们发现了两种酶可以复制唾液的效果，也就是氧化聚乙烯。

Today, vinyl is manufactured and sold more than any other plastic in the world, short of polyethylene...

如今，氯乙烯的生产和销售超过了世界上其他，出现了聚乙烯短缺。

The main raw material is polyethylene terephthalate (PET), a plastic that is cheap and easy to process.

主要原是聚对苯二甲酸乙二醇酯(PET)，这是一种廉价且易于加工的。

The typical thin and flimsy plastic bag is made of high-density polyethylene, commonly known as HDPE.

这种典型的又轻又薄的袋是由高密度聚乙烯制成的，俗称 HDPE。

The enzymes appeared to break down polyethylene in only a few hours at room temperature.

在室温，这两种酶似乎在几个小时内就能分解聚乙烯。

Soft drink bottles are usually made of a type of plastic called polyethylene terephthalate, or PET.

软饮瓶通常由一种叫做聚对苯二甲酸乙二醇酯或 PET 的制成。

It's made of a polymer called " polyethylene terephthalate" , which has rings of carbons separated by chains of carbons, some of which have single and double bonds, to oxygen atoms.

它是由聚对苯二甲酸乙二醇酯聚合物组成的，它有分离的碳链，相对于氧原子而言，一些含有单键和双键。

AZUZ : Ten-second trivia: Polyethylene terephthalate is a form of what?

聚对苯二甲酸乙二醇酯是什么?

There have been several studies showing that microorganisms can release enzymes that cause the plastic polyethylene to start to degrade.

有几项研究表明，微生物可以释放导致聚乙烯开始降解的酶。

Adidas uses plastic bottles that contain polyethylene terephthalate, or PET.

阿迪达斯使用含有聚对苯二甲酸乙二醇酯或 PET 的瓶。

I would feed my bacteria polyethylene terephthalate, or PET plastic.

我会给我的细菌喂食聚对苯二甲酸乙二醇酯，也就是PET。