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单词 perlite
释义

perlite /'pɜːlaɪt//'pɝlaɪt/

英汉-汉英词典
n. 珍珠岩
词组 | 习惯用语
expanded perlite 膨胀珍珠岩;多孔珍珠岩
英语例句库
  1. The result indicated that transformation of perlite was accelerated and the quantities of ferrolites was increased under the function of impulse electric field at second stage graphitization.
    进而分析了脉冲电场作用下基体中石墨晶核的数量增加,有效地缩短了珠光体分解时碳原子的扩散距离,从而加速了第二阶段石墨化过程中珠光体的转变。

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原声例句
科普小杂文

So perlite doesn't hold that much water.

珍珠岩无法容纳这么多水。

科普小杂文

So perlite's been around for a long time.

所以珍珠岩已经存在很长时间了。

科普小杂文

So, perlite is not a renewable resource.

珍珠岩不是可再生资源。

科普小杂文

That's why we use things like vermiculite in addition to perlite in our mixes.

这就是为什么我们在还会珍珠岩中混入蛭石等材料的原因。

科普小杂文

So if you're looking for water holding capacity, perlite probably isn't the thing.

因此,如果需要蓄水功能的话,珍珠岩不在话下。

VOA慢速英语_世界

You can plant rosemary in a container with soil that is about 25 percent sand, perlite or vermiculite.

你可以将迷迭香种植在容器中,容器中的土壤含有约25%的沙子、珍珠岩或蛭石。

科普小杂文

If you're doing hydroponic production, you can take perlite, and you can reuse it several times.

如果正在育苗,你可以用珍珠岩,而且可以反复使用几次。

科普小杂文

Yeah, so, with the dust from perlite, you have to be kind of careful.

因此对于珍珠岩的灰尘,你必须要小心处理。

2022-2023-2 Academic Listening

A good recipe is half 'n half mix of high quality potting soil with perlite.

一个好的配方是优质盆栽土与珍珠岩的一半混合。

科普小杂文

So the pros of perlite are that it's lightweight, so it's very, very easy to handle, to use.

珍珠岩的优点是重量轻,所以处理和使用起来很方便。

中文百科

珍珠岩

膨胀珍珠岩
Perlite boulders with fireweed in foreground
Perlite mine in Owens Valley, California.

珍珠岩**称珍珠石,是一种类似流纹岩的酸性火山喷发熔岩,由于喷发后急速冷却,形成球粒状玻璃质岩石,有弧形或圆形裂纹,尤如珍珠的结构,所以被命名为珍珠岩。

珍珠岩一般为浅灰色、淡绿色和褐色,二氧化硅含量达70%,水分含量为3-5%,当将珍珠岩加热到850–900℃时,由于玻璃质软化,其中水分蒸发,造成体积膨胀,可以达到原有体积的7–16倍,为膨胀珍珠岩。

膨胀珍珠岩具有吸音性好,吸湿性小,抗冻性强的性能,因此被广泛用作建筑的保温隔音材料,也可以作为农业改良土壤,增加保墒能力的材料,此外在工业的铸造、酿造、过滤、洗涤等工艺中也可以作为辅助材料应用。

英语百科

Perlite 珍珠岩

Expanded perlite
Perlite boulders with fireweed in foreground
Perlite mine in Owens Valley, California.

Perlite is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian. It occurs naturally and has the unusual property of greatly expanding when heated sufficiently. It is an industrial mineral and a commercial product useful for its light weight after processing.

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更新时间:2025/6/20 4:14:08