氯乙烯，四氯乙烯，二氯乙烯和苯都是高剂量可能引起健康问题的化学物质。
Vinyl Chloride, tetrachloroethylene, dichloroethene, and benzene are all chemicals that could cause health problems in high doses.
有一些研究表明DEHP(邻苯二甲酸二辛酯)，（静脉输血袋中用的）乙烯基中包含的一种化学物质具有这样的特性。
And there's some research showing that DEHP, this chemical that's in vinyl [used in IV bags], has this property.
任何标有“1”、“2”或者“4”的玩具都是用一种叫做聚乙烯的塑料做的，用这种塑料做的玩具不含任何的BPA和邻苯二甲酸类物质，非常安全，你可以放心地把它带回家。
Any of these Numbers mean the plaything is made from polyethylene, a safe BPA - and phthalate-free plastic, making it a healthy toy to take home.
一年前生效的联邦法律规定，严禁在儿童乙烯基玩具等产品中使用邻苯二甲酸酯，然而美国没有限制化妆品和其他个人护理用品中的邻苯二甲酸酯。
A federal law that went into effect a year ago bans phthalates in children's vinyl toys and other products. But there are no U.S. restrictions on phthalates in cosmetics and other personal care items.
不过还没有发现乙烯基玩具和其他软性塑料中的邻苯二甲酸酯会影响人的行为。
No behavioral effects were found for the phthalates used in vinyl toys and other soft plastics.
这种被广泛使用的塑料通常含有一些有害的化学物质，包括一些已知的致癌物质，像氯乙烯、“戴奥辛”、邻苯二甲酸类物质，它们都和哮喘、过敏症和生殖问题息息相关。
This widely used plastic often contains harmful chemicals, including such known carcinogens as vinyl chloride, dioxin, and phthalates, which are linked to asthma, allergies, and reproductive problems.
讨论了十溴二苯醚（DBDPO）和八溴二苯醚（OBDPO）对低密度聚乙烯（LDPE）的阻燃性能和拉伸强度的影响。
The flame resistances and tensile strengths of decabromodiphenyl oxide (DBDPO) and octabromodiphenyl oxide (OBDPO), to low density polyethylene (LDPE) were researched.
用微波加热使苯乙烯和二乙烯苯共聚小球磺化。
Copolymer beads of styrene and divinylbenzene were sulfonated by microwave heating.
有时直链较多的冷橡胶加入约1%的二乙烯基苯可轻微交联，从而改进可加工性和抗压缩永久变形性。
Sometimes the more linear cold rubbers are slightly crosslinked by the incorporation of about 1% divinyl benzene to improve processability and compression set resistance.
在制备亲水涂料的基础上，研究苯乙烯-二乙烯基苯树脂微粒对亲水涂膜性能的影响。
Starting from preparation of hydrophilic coating, a study was devoted to the effect of the fine grains of styrene divinylbenzene resin on the performance of hydrophilic film.
锦纶66帘子布浸胶液含有大量的天然胶乳、间苯二酚、甲醛、氨、乙烯、丁苯等有毒有害物质，其生产废水中COD和浊度特别高。
The dipping solution (DS) of nylon-66 cord fabric contains latex, resorcinol, formaldehyde, ammonia, ethene and butyl benzene. The COD content and turbidity in DS wastewater are very high.
丙烯腈和二乙烯基苯在聚丙烯上接校共聚，再经二甲苯率取，得笼形氰基树脂。
Acrylonitrile copolymerized with divinylbenzene on polypropylene and then extracted with xylene, the cage cyano resin was obtained.
常温常压下，纳米级的镍基催化剂对苯乙烯和二苯甲酮分别有催化加氢活性。
Nanosized nickel based catalysts can be used to carry out the hydrogenation of styrol and benzophenone at normal temperature and pressure.
方法：以苯乙烯为单体，二乙烯苯为交联剂，采用二步溶胀法合成单分散、大粒径的聚苯乙烯高分子微球。
Methods: Prepared the monodisperse and big diameter crosslinked polystyrene microspheres with Two Step Swelling Method, Using diVinylbenzene as the crosslink agent.
采用正交实验设计研究了反应温度、升温速率、二乙烯基苯的质量分数、裂解温度和保温时间五个因素对聚碳硅烷产率的影响。
Based on orthogonal design, the effects of reaction temperature, heating speed, weight percent of DVB, pyrolysis temperature and heat retaining time on the yield of PCS were discussed.
以丙烯腈为单体，二乙烯苯为交联剂，采用原位聚合法制备出了强极性的有机高聚物多孔层开管柱- OPPLOT - A型柱。
A new type of strongly polar organic polymer porous layer open tubular column (OPPLOT-A) was prepared by in situ copolymerization of acrylonitrile and divinylbenzene.
通过苯甲酰基修饰的苯乙烯-二乙烯苯吸附树脂ZH-02对水中腐殖酸和苯酚进行了单组分和双组分的静态吸附。
The static adsorption of humic acid and phenol from water in single and double component system onto ZH-02 resin of styrene-divinylbenzene modified by benzoyl group was carried out.
用链长分布不同的活性聚苯乙烯子聚物与二乙烯基苯进行阴离子嵌段共聚，合成了一系列两相模型交联网络。
A number of model networks were prepared by anionic block copolymerization of divinylbenzene with various living polystyrene precursors having different chain length distribution.
以过氧化苯甲酰（BPO）为引发剂，二甲苯为溶剂，进行了丙烯酸与低密度聚乙烯（LDPE）的溶液接枝聚合。
The grafting of acrylic acid on to low density polyethylene(LDPE) was studied in solution. Benzoyl peroxide(BPO) and xylene were used as initiator and solvent respectively.
以二乙烯基苯为交联剂，由甲基丙烯酸甲酯、苯乙烯、甲基丙烯酸模型浇铸共聚，制得了一种交联型改性有机玻璃。
A kind of crosslinking modified organic glass was prepared by mold copolymerization of methyl methacrylate, styrene, methacrylic acid with divinylbenzene as crosslinking agent.
方法采用顶空气相色谱法对树脂残留物正己烷、苯、甲苯、二甲苯、苯乙烯进行检测。
METHODS Headspace GC was used to determine the skellysolve B, benzene, methylbenzene, styrene in Peristrophe baphica extraction.
酮的对甲苯磺酰腙在含水的乙腈中与聚苯乙烯二醋酸磺苯在温和条件下反应得到高产率的酮。
Reaction of tosylhydrazones of ketones with CPSID in wet acetonitrile affords the corresponding parent ketones in excellent yields under mild conditions.
以丙烯酸酯为单体，二乙烯基苯为交联剂，采用悬浮聚合法合成低交联度的聚丙烯酸酯类吸油树脂。
The acrylate oil absorbing resin were synthesised by means of suspension polymerization and using divinylbenzene as crosslinking agent.
通过水蒸气活化法制备了聚苯乙烯基球形活性炭，并研究了其对二苯并噻吩的吸附性能。
Polystyrene-based activated carbon spheres were prepared by steam activation and their adsorption performance to a sulfur-containing dibenzothiophene was studied.
方法取ab- 8树脂分别经乙醇、丙酮处理前后的浸出液及经树脂吸附后的栀子洗脱液，以气相色谱法检测其中苯、甲苯、二甲苯、苯乙烯残留物的含量。
METHOD AB 8 resin was treated with alcohol and propanone and the extract was detected for the content of the residues of benzene, methylbenzene, xylene and styrene.
研究了高交联大孔苯乙烯-二乙烯苯共聚物(60%DVB)在微波加热条件下发生的磺化反应。
The sulfonation of highly crosslinked macroporous styrene-divinylbenzene copolymers (60% DVB) by microwave heating was studied. The high power set and intermittent heating mode was adopted.
碳酸二苯酯表现典型的乙烯的酯类的效应。
对不同条件下制得的高交联大孔苯乙烯-二乙烯苯树脂的吸附性能进行了研究。
The adsorption behaviour of highly crosslinked macroporous resins prepared under different conditions was investigated.
对不同条件下制得的高交联大孔苯乙烯-二乙烯苯树脂的吸附性能进行了研究。
The adsorption behaviour of highly crosslinked macroporous resins prepared under different conditions was investigated.
应用推荐