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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与聚苯乙烯阴离子反应中,GMA在活性种终端发生了聚合,所得产物中环氧端基与聚合产物摩尔比可根据需要进行调节。

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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.

在碳化中,聚苯乙烯阳离子交换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.

本文利三氯化铝作催化,废聚苯乙烯与溴发生亲电取代反应合成溴化聚苯乙烯阻燃

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Porous ceramic materials on the base of strontium zirconate were developed with zirconium dioxide,baddeleyite powder,and granular polysterol.

二氧化锆、斜锆矿粉、碳酸锶及粒状聚苯乙烯制成了锆酸锶多孔陶瓷材料。

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Preparation of microencapsulated osmium tetraoxide from GPPS was reported,and effect of solvent,temperature and dispersant was analyzed.

聚苯乙烯(GPPS)制备了四氧化锇微胶囊。

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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柠檬烯,其方法是溶萃取。

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

FTIR、DSC等方法研究了含恶唑啉官能团聚苯乙烯(RPS)与氯化聚乙烯(CPE)之间反应。

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Being a bivinyl crosslinker,3 could be copolymerized with styrene giving gel-type resin with superior swelling characteristics.

此方法合成标题化合物作交联与苯乙烯聚合,可得到具有特殊溶胀性能聚苯乙烯脂。

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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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Vox 观点

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

它们仍然存于冰箱、空调和聚苯乙烯泡沫塑料等各种物品中。

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当月 CNN 10 学生英语 202010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.

2015,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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雅思听力最新机试真题

At the moment, 500 million poly cups are collected, processed and sold on to other businesses, such as Waterford, which turns the cups into pencils.

目前,5 亿个聚苯乙烯杯被收集、加工并出售给其他企业,如 Waterford,该公司将杯子转变为铅笔。

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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,的,这听起来非常令人担,另一方面,我想到了,就像——我不知道—— 80 代和 90 代,使用聚苯乙烯泡沫塑料非常正常的,人们甚至都不担心塑料问题。

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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,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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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.”

它收集各种各种各样的东西,从细小的塑料碎片、聚苯乙烯碎片和各种各样碎掉的塑料瓶。

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BBC 听力 20239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.

澳大利亚部分地区还出台了新的禁令,禁止聚苯乙烯包装,以及个人护理和清洁产品中存的塑料微球。

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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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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.

主要的包装材料普通纸张和聚苯乙烯巧妙的包装和拆开包装时的兴奋感仍然存

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PBS趣味科普

You can also look for special recycling drop-off locations for odd items like batteries or styrofoam.

你也可以为电池或泡沫聚苯乙烯等奇怪的物品寻找特殊的回收地点。

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PBS趣味科普

Maybe you're imagining a big island of packaging, and styrofoam coolers, and fishing gear.

也许你想象一个巨大的包装岛,上面满泡沫聚苯乙烯冷却器和渔具。

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TED演讲(视频版) 20173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起来。

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TED演讲(视频版) 20227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,最不鼓舞人心的会面场所。

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TED演讲(视频版) 201911月合集

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

,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

A phone case and some polystyrene balls.

一个手机壳和一些聚苯乙烯球。

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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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