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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苯乙烯聚合,可得到具有特殊溶胀性能的聚苯乙烯

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

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 acrylonitrile-styrol reisn is firmly combined on active carbon, thus being safe and nontoxic to the environment.

丙烯腈-苯乙烯和铜离子牢固结合在活性炭上,对环境安全无毒。

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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等方法研究了含恶啉官能团的聚苯乙烯(RPS)与氯化聚乙烯(CPE)之间的反应。

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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、碳酸锶及粒状聚苯乙烯制成了锆酸锶多孔陶瓷材料。

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Objective:To study the preparation of compound of Ion-exchange resins-Domiphen and the measure of max attach to resin.

制备苯乙烯系强酸型阳离子交换米芬复合物,并测定米芬最大吸附量。

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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.

利用三氯化铝作催化剂,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剂。

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The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体酸和几种分子筛上氧化苯乙烯液相重排成苯乙醛的反应,考察了催化剂的活性、选择性和和稳定性。

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Several chiral aryl diphosphite ligands derived from pyranoside backbones of glucose and galactose were applied in Rh-catalyzed asymmetric hydroformylation of styrene.

合成了四个从葡萄糖及半乳糖衍生的手性芳基双膦配体,制备了手性双膦-铑(Ⅰ)配合物催化剂,并将其用于苯乙烯不对称氢甲酰化反应中。

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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,聚苯乙烯阳离子交换的苯环结构和烯烃基团比磺酸基团稳定。

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The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基甲烷在有机溶剂介质中、碱催化下的氧化缩合反应,是合成二苯乙烯(烷)类化合物的重要途径.

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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调节。

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Introduces how to synthesize acrylic acid, acrylate and phenylethene quadripolymer into alcohol-soluble acrylic resin and use it as a link stuff to prepare flexible relief block printing ink.

叙述了丙烯酸、丙烯酸苯乙烯四元共聚合成醇溶性聚丙烯酸类的方法,并以其为连结料制备柔性凸版油墨。

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PBS英语讯息

The styrene gas left dozens unconscious in the street.

在大街上,苯乙烯气体让大量居民失去意识。

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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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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的包装岛,上面满是泡沫聚苯乙烯冷却器和渔具。

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经济学人-文艺

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

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是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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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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TED演讲(音频版) 2020年1月合集

Polystyrene can take thousands of years to degrade.

苯乙烯可能需要数千年才能降解。

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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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自然杂志:科技

In fact all it is, is a tiny polystyrene bead.

事实上,它就是一个微小的聚苯乙烯珠。

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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.

苯乙烯天花板,没有自然采光,是最不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,是的,我们抛弃了它。

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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.

然后他们只打印了 Giga 的头部,并用聚苯乙烯将其切割出来。

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TED-Ed(视频版)

In the 1920s, researchers first commercially developed polystyrene, a spongy plastic used in insulation.

在 1920 年代,研究人员首次商业开发聚苯乙烯,一种用于绝缘的海绵塑料。

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圣诞吃什么

Because that'll anchor our styrofoam cone.

- 因为那会固定我们的聚苯乙烯泡沫塑料锥体。

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TED演讲(视频版) 2017年3月合集

But what if we could keep using Styrofoam

但是如果我们可以继续使用聚苯乙烯泡沫塑料呢?

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VOA Special 2015年3月合集

Mr. Garcia and his team members designed a drone made with styrofoam and an electric motor.

加西亚先生和他的团队成员设计了一种由聚苯乙烯泡沫塑料和电动机制成的无人机。

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自然杂志:科技

The speaker's create areas of high pressure that can trap a polystyrene bead and suspend it in midair.

扬声器会产生高压区域,可以捕获聚苯乙烯珠并将其悬浮在半空中。

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科学60秒-科学美国人 2021年10月合集

However, we don't want Styrofoam coming out into our environment here and raining plastic down our rivers forever.

然而,我们不希望聚苯乙烯泡沫塑料进入我们这里的环境,让塑料雨永远流入我们的河流。

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此间的地球

If you can, switch out styrofoam and plastic materials for items that are compostable or better yet, reusable.

如果可以,请将聚苯乙烯泡沫塑料和塑料材料换成可堆肥或更好的可重复使用的物品。

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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.

但是在2015年,人们发现这些小东西可以吃聚苯乙烯,于是一个全新的研究方向就出现了。

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