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Results indicate interestingly that the double bond of GMA polymerized with polystyryl carbanion and the molar ratio of epoxy end group and polystyrene oligomer can be adjusted.

在GMA与聚苯乙烯阴应的过程中,GMA在活性种的终端发生了聚合,所得产物中环氧端基与聚合产物的摩尔比可根据需要进行节。

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The benzene ring and alkene structural group are much more stable than structural group of sulfoacid for the carbonifying process of polystyrene.

在碳化过程中,聚苯乙烯交换树脂的苯环结构和烯烃基团比磺酸基团稳定。

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In this paper, bromized polystyrene flame retardant was synthesized by electrophilic substitution of waste polystrene with bromine using aluminium ehlorid as catalyst.

本文利用三氯化化剂,废聚苯乙烯与溴发生亲电取代应合成溴化聚苯乙烯阻燃剂。

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Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.

本文研究从荆芥穗中提取回收聚苯乙烯所需的柠檬烯,其方法是溶剂萃取。

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The reaction between polystyrene having oxazoline groups(RPS) and chlorinated polyethylene(CPE) was investigated by FTIR, DSC methods.

用FTIR、DSC等方法研究了含恶唑啉官能团的聚苯乙烯(RPS)与氯化聚乙烯(CPE)之间的应。

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剑桥雅思听力全真试题 5

The Save-a-Cup scheme was set up by the vending and plastics industries to recycle as many as possible of the three-and-a-half billion polystyrene cups used each year.

“节省杯子”计划通过兜售和塑料业每年尽可能多地回收35亿聚苯乙烯杯而成立。

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科普小杂文

It was made from polystyrene which was strong, cheap and transparent, allowing the ink level to be seen at all times.

它由聚苯乙烯制成,坚固、廉价、透明,可以随时看到墨水量。

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当月 CNN 10 学生英语 2020年10月合集

But then it was discovered in 2015 that these little grubs could eat polystyrene and a whole new line of research opened up.

在2015年,人们发现这些小东西可以吃聚苯乙烯,于一个全新的研究方向就出现了。

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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,但特别实用,因为一卡车又轻又蓬松的泡沫塑料并能够熔化成量的聚苯乙烯

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VOA视频精选

It’s collecting all sorts from sort of tiny bits, plastic needles and bits of polystyrene, all the way up to bits of broken bucking plastic bottle as well.”

它收集样的东西,从细小的塑料碎片、聚苯乙烯碎片和样碎掉的塑料瓶。

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BBC 听力 2023年9月合集

There are also new bans in parts of the country on polystyrene packaging and microbeads that are found in personal care and cleaning products.

部分地区还出台了新的禁令,禁止聚苯乙烯包装,以及在个人护理和清洁产品中存在的塑料微球。

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China Daily 播客集

While laying plastic film on extruded polystyrene boards, static electricity was generated, igniting the gases, the foam and other flammable materials.

在挤塑板上铺设塑料薄膜时,产生静电放电点燃积聚的易燃气体,迅即引燃聚氨酯泡沫、挤塑板等易燃可燃材料。

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经济学人-文艺

Tastes have evolved: polystyrene cups have long replaced elegant coffee sets in many situations.

聚苯乙烯杯子在许多情况下早已取代了优雅的咖啡具。

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BBC Ideas 精选(双语)

Now it's mainly plain paper and polystyrene, but the skillful wrapping and excitement of unwrapping remains.

现在主要的包装材料普通纸张和聚苯乙烯,但巧妙的包装和拆开包装时的兴奋感仍然存在。

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Scishow 精选系列

Take " expanded polystyrene" , for example, which you know as " Styrofoam" .

比如说“发泡聚乙烯”,也就家知道的“泡沫聚乙烯”。

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TED演讲(视频版) 2022年7月合集

Polystyrene ceiling tiles, no natural daylight, the least inspiring place to meet people.

聚苯乙烯天花板,没有自然采光,鼓舞人心的会面场所。

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TED演讲(视频版) 2019年11月合集

Now, if you're wondering about that polystyrene clamshell, yeah, we ditched it.

现在,如果您想知道那个聚苯乙烯翻盖,的,我们抛弃了它。

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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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透视百科影视类

They then printed just the Giga's head and cut it out of polystyrene.

他们只打印了巨兽龙头部,并从聚苯乙烯中切割出来。

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TED演讲(音频版) 2020年1月合集

Polystyrene can take thousands of years to degrade.

聚苯乙烯可能需要数千年才能降解。

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奇趣建筑探索

These include 3.9 inches of extruded polystyrene foam and 5.9 inches of spray polyurethane foam.

这包括3.9英寸的挤塑聚苯乙烯泡沫和5.9英寸的喷涂聚氨酯泡沫。

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扣扣熊深夜秀-Guest Interviews

My husband has, you know, like nails down a chalkboard or squeaky polystyrene?

我丈夫有,你知道的,就像指甲划过黑板或者吱吱作响的泡沫塑料那样的声音过敏吗?

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经济学人 Business

He took a temporary assignment managing a Ferrari of a polystyrene clamshells in which the company's burgers were served and which were being damned for their contribution to America's litter problem That turned into a 25-year career.

他暂时负责管理一种用于包装公司汉堡的聚苯乙烯蛤壳盒,这种盒子因为对美国垃圾问题的贡献而受到指责。这后来变成了一段长达25年的职业生涯。

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BBC随身英语(官网版)

What throws a spanner in the works is the layer of polyethylene that makes the cup waterproof, and the lid, which is most often made of polystyrene.

在工作中投入扳手的使杯子防水的聚乙烯层, 以及通常由聚苯乙烯制成的盖子。

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