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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与阴离子反应的过程中,GMA在活性种的终端发生了合,所得产物中环氧端基与合产物的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.

在碳化过程中,阳离子交换脂的环结构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.

本文利用三氯化铝作催化剂,废与溴发生亲电取代反应合成溴化阻燃剂。

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

采用二氧化锆、斜锆矿粉、碳酸锶及粒状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.

采用通用(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所需的柠檬,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(RPS)与氯化(CPE)之间的反应。

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

用此方法合成的标题化合物作交联剂与合,可得到具有特殊溶胀性能的脂。

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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年尽能多地回收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,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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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,人们发现些小东西聚苯乙烯,于一个全新研究方向就出现了。

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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,听起来非常令人担忧,但,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非常正常,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,但特别实用,因为一卡车又轻又蓬松泡沫塑料并不能够熔化成大量聚苯乙烯

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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东西,从细小塑料碎片、聚苯乙烯碎片和各种各样碎掉塑料瓶。

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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.

澳大利亚部分地区还出台了新禁令,禁止聚苯乙烯包装,及在个人护理和清洁产品中存在塑料微球。

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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.

里有我们经常看到塑料垃圾 —— 瓶盖、杯盖,食品包装容器碎片,还有很多小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.

聚苯乙烯杯子在许多情况下早已取代了优雅咖啡具。

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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.

现在主要包装材料普通纸张和聚苯乙烯,但巧妙包装和拆开包装时兴奋感仍然存在。

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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.

你也为电池或泡沫聚苯乙烯等奇怪物品寻找特殊回收地点。

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PBS趣味科普

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

也许你在想象一个巨大包装岛,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) 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起来。

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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,最不鼓舞人心会面场所。

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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,,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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