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植物如何改善居室空气质量 – 译学馆
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植物如何改善居室空气质量

A NASA study explains how to purify air with house plants

你可能听说过 植物能改善空气质量
You’ve probably heard plants can improve your air quality.
几乎所有关于这个主题的论文
Just about every paper on the subject,
我说的就是字面意思:所有
[and I mean literally all of them,]
都是基于1989年NASA的一个课题
are based on a 1989 NASA study
和首席科学家的一个后续实验
and a follow up by the lead scientist.
能够净化空气的植物——基于科学
科学家们把植物收集起来 并将它们置于室内
The scientists collected plants and put them in chambers,
然后充入有害的化学品 比如:氨气 甲醛 二甲苯 三氯乙烯 苯
then pumped in harmful chemicals like these:
24小时后 他们检测每一个房间内的空气质量
After 24 hours, they tested the air quality in each chamber.
有些植物能祛除高达90%的有害化学品
Some plants were able to remove up to 90 % of the harmful chemicals.
那么 哪种植物是最有效的呢?
So which plants were the most effective?
NASA的科学家测试了几种相似的植物
NASA scientists tested familiar ones.
所有在他们实验列表里的植物
“ All the plants they have
都是非常常见的室内植物
in their list are just very common house plants.
这是Dennis Stevenson博士
This is Dr Dennis Stevenson, Vice President for science
他是“纽约植物园”的学科副主席
at the New York Botanical Garden.
“我认为他们选择那些植物 是因为他们关注于
“I think they picked them because they were looking at things
那些人们愿意放在自己生活环境里的植物
that people would have in their environments.
而不是关注于一些奇特的 怪异的
As opposed to some exotic, weird tropical plant
人们很少了解的热带植物”
that nobody knows anything about.”
这些植物都能很有效地祛除室内有害致癌物
All of these plants are excellent at getting rid of harmful indoor carcinogens.
致癌物:能导致癌症的化学物
它们是这样工作的:
Here’s how it works:
植物从外界空气吸入有害气体
Plants take in the harmful gasses out of the atmosphere
然后将气体隔离在它们的根茎和细胞中
and sequester them in their roots and cells.
其中一些化学物质被土壤里的真菌降解
Some of these chemicals are broken down by fungi in the soil
其它的气体则被储存在植物中
and others are stored in the plant.
那么 像烟这类
So what about things like…smoke,
比如 吸烟后留在公寓房间里的烟
that might be in your apartment via cigarettes.
或者 其它种类的烟
Or you know…other types of smoke.
“对此 我想说的是 植物从空气中吸收物质
“Well I would say, they take up stuff in the atmosphere
所以 理论上来讲它们会吸收任何房间内的烟
so theoretically they should take up any kind of smoke
从某种意义上来说 是这样
that’s in your apartment in a certain sense, right.
我不是特别清楚
I don’t really know,
但我想 既然有人做了那些实验
but I think if one did those tests
那么所得的结果很可能是正相关的”
that probably one would find a positive correlation with that.”
植物与烟的净化呈正相关
NASA研究的课题里所有提到的植物中
Of all of the plants NASA mentioned in its study
叶片面积相同的情况下 这三种植物的化学物祛除率是最佳的
these three have the best surface area to chemical removal ratio.
非洲菊 常春藤 虎尾兰
但需要记住的是
But keep in mind
非洲菊绝不会长得和棕竹一样大
that a gerbera daisy will never get as big as a lady palm,
并且 如果你拥有更多的植物
and the more plant you have,
你就能祛除更多的有害化学物
the more harmful chemicals that you can remove.
相比于那些只有小片叶子的针叶植物来说
“ A big leaf plant is probably, potentially able to exchange
阔叶植物能从空气中交换更多的物质
more things with the air you know than something with little needle leaves.
那么 那些不太会种植的人怎么办呢?
And for those lacking a green thumb?
“我来告诉你
“ I’ll tell you,
有一种可能是最难死掉的植物
the one in there that’s probably the hardest to kill
叫做虎尾兰 俗称丈母娘的舌头”
is the sansevieria, the mother in law’s tongue.”
它能很有效地祛除化学物 并且只需要较弱的光照
It scores high on removing chemicals and only needs low light.
大家好 如果你想学习更多关于植物的知识
Hello everyone, if you’d like to learn more about the plants
或者了解更多NASA所做的这项实验的信息 请查看下方的简介
or the experiments done by NASA, check out the description below.
你能找到更多关于视频开头所提到的植物的细节描述
You’ll find a more detailed account of which plants are mentioned at the beginning of the video.
如果你想买一些这样的植物
If you’re looking to buy some of these plants
或者想学习如何照料它们
or want to learn how to take care of them,
别忘了去你们当地的苗圃看看
don’t forget to check out your local nursery.

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视频来源

https://www.youtube.com/watch?v=lPNYdSZRSdg

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