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The characteristic, structure, raw materials, equipment, process, cost and applications of arched colour plated roofing are introduced. The foams act as insulator, seal and waterproofer in roofing.

简要介绍了用保温、密封、防水的拱形彩钢屋面的特点、构造、材、设备、施工工艺、生产成本和应用。

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A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲醛在碱性件下经加成、缩合制得可发性酚醛树脂,该树脂和表面活性剂、发泡剂、固化剂一起发泡即得酚醛

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Plastics -- Methods for determining the density of non-cellular plastics -- Part 1: Immersion method, liquid pyknometer method and titration method

.非的密度测定方法.第一部分:浸渍法、液体比重瓶法和滴定法.

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This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.

讨论了用二氯甲烷替代一氟三氯甲烷进行软质聚氨酯的生产。

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中高级英语短文

" I used to see a lot of broken foam plastic flushed to this beach after typhoon, " said Xiao Xiancheng, a Huiyu Village native who works in Quanzhou City.

“台风过后,我经常看到很多破碎的泡沫塑料被冲到这片海滩上,”在泉州市工作的回玉村人肖宪成说。

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Vox 观点

And they were still in everything from refrigerators and air conditioners and styrofoam.

它们仍然存在于冰箱、空调和聚苯乙烯泡沫塑料等各种物品中。

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华盛顿邮报

Because, yes, this sounds very concerning, but, on the other hand, I think about how, like — I don't know — in the '80s and '90s, having Styrofoam was just very normal and that people weren't really even worried about plastics.

因为,是的,这非常令人担忧,但是,另一方面,我想到了,就像——我不知道——在 80 年代和 90 年代,使用聚苯乙烯泡沫塑料是非常正常的,人们甚至都不担心塑料问题。

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What it takes 名人访谈

And at the end, Steve picked up this Styrofoam block that was the iPod, and he was like, " Let's do this, " and he goes, " Now we have to hire you."

最后,史蒂夫拿了 iPod 的泡沫塑料块,说,“我们做吧,”然后说,“现在我们必须雇用你。”

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时代周刊 (Time)

Now he has channeled his self-described obsessive-compulsive disorder into a green, if dangerous, project: as we walk alongside busy Houston Street, Sedaris spots a trash bag filled with Styrofoam tumbling into the road.

现在,将被自己称之为强迫症的习惯变成了一个环保,虽然也有些危险的项目:我们沿着熙熙攘攘的休斯敦大街散步时,赛达里斯发现一个装满泡沫塑料的垃圾袋飘到了马路上。

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Superhero Science(音频版)

And using a fork to pick up a piece of broccoli from a Styrofoam plate without driving the fork through the plate is going to be as difficult as brain surgery.

此外, 用餐叉从一个泡沫塑料里叉一块西兰花,而不叉,这难度将不亚于脑外科手术。

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乔布斯传

He had a Tiffany lamp, an antique dining table, and a laser disc video attached to a Sony Trinitron, but foam cushions on the floor rather than sofas and chairs.

有一盏蒂芙尼的台灯、一张年代久远的餐桌和一台连接着索尼特丽珑电视的激光影碟机,但是房内没有沙发和掎,取而代之的是泡沫塑料制成的垫

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Scishow 精选系列

While it can technically be recycled, it's not particularly practical, because a truck full of lightweight, air-filled Styrofoam doesn't melt down into a lot of polystyrene.

尽管从技术角度能被回收,但是不是特别实用,因为一卡车又轻又蓬松的泡沫塑料并不能够熔化成大量的聚苯乙烯。

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PBS访谈环境系列

There's all this existing research evidence that styrofoam and other plastics are bad for our health, for the environment, for the people who manufacture them.

现有的研究证据表明,泡沫塑料和其塑料对我们的健康,环境以及制造它们的人都有害。

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BBC英语大破解

We see the usual suspects of plastic lids from bottles, cups, fragments of food containers, a lot of tiny little pieces of Styrofoam.

这里有我们经常看到的塑料垃圾 —— 瓶盖、杯盖,食品包装容器的碎片,还有很多小的聚苯乙烯泡沫塑料颗粒。

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CRI在线 2020年3月合集

The production and sales of single-use foam plastic tableware and plastic swabs will be banned by the end of this year.

到今年年底,将禁止生产及销售一次性泡沫塑料餐具和塑料棉签。

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CNN 10 学生英语 2019年3月合集

When it comes to shipping materials, its not always the perfect substitute for Styrofoam or other plastics.

说到运输材料,它并不总是泡沫塑料或其塑料的完美替代品。

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CNN 10 学生英语 2022年3月合集

Similar products run about to cents per plate, while plastic foam plates cost around three cents apiece.

类似产品的价格大约为每几美分,而泡沫塑料板的价格大约为每3美分。

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当月 CNN 10 学生英语 2020年10月合集

So it would take 3 or 4,000 mealworms to eat this Styrofoam cup about a week.

因此,大约需要3到4000条大麦虫用一周才能吃掉这个泡沫塑料杯。

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VOA常速英语_美洲

Cruz Foam is currently in discussions with several American corporations to provide their protective packaging needs.

克鲁兹泡沫塑料目前正在与几家美国公司进行谈判,以提供们的保护性包装需求。

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中高级英语短文

Before 2019, fish farmers at Quangang District used foam plastics buoys or wooden-made tanks and cages – material that's cheap but not durable particularly when typhoons come.

2019 年之前,泉港区的养鱼户使用泡沫塑料浮标或木制鱼缸和笼——这种材料便宜但不耐用,尤其是在台风临时。

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TED演讲(视频版) 2017年3月合集

Well, those Styrofoam coffee cups are sure going to add up.

那些聚苯乙烯泡沫塑料咖啡杯肯定会加

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现代生活奇思

So my polystyrene balls are now the stored electric charges in the grid.

所以我的泡沫塑料球现在代表了网格中储存的电荷。

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Crash Course 综合篇

Polymerize it, polystyrene. Make a foam out of it, Styrofoam.

聚合它,聚苯乙烯。 用它做泡沫, 聚苯乙烯泡沫塑料

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崔仙女的生活日常

It still has like the styrofoam on it.

它上面还留着那种泡沫塑料

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