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丙烯酰

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Human hazards of acrylamide: the animal experiments show that, acrylamide is a kind of potential carcinogen.

丙烯酰胺对人体的危害:动物试验显示,丙烯酰胺是一种可能致癌物。

Dimethyldiallylammonium chloride and copolymer comprising DMDAAC and acrylamide have been synthesized from dimethylamine ,allylchloride and AM.

以二甲胺、氯丙烯等为原料合成二甲基二烯丙基氯化铵,再与丙烯酰胺共聚生成共聚物。

In this paper the surface charge density of cationic kraft pulp was chosen as response variable and the preparation conditions of cationic kraft pulp by the in-situ grafting copolymeration of acrylamide and cationic monomer, [2- ethyl] trimethyl-ammonium chloride were optimized by central composite design.

摘 要:以阳离子硫酸盐浆的表面电荷密度为评价指标,采用中心复合设计法对丙烯酰胺和甲基丙烯酰氧基乙基三甲基氯化铵接枝共聚制备阳离子硫酸盐浆的工艺进行了优化。

Pyrene has been used as a fluorescence probe to investigate the associative behaviors of hydrophobically modified water-soluble terpolymers Poly(acrylamide/sodium acrylate/octylacrylamide) \[P(AM/NaAA/C_8AM)\].

采用胶束共聚共水解方法合成疏水改性水溶性聚合物聚(丙烯酰胺/丙烯酸钠/N 辛基丙烯酰胺)[P(AM/NaAA/C8AM)],并以芘为荧光探针,应用稳态荧光光谱法研究了它的疏水缔合行为。

In this thesis, three different chain length hybrid monomers, containing acrylate and propenyl ether group, was synthesized by three-step reaction through 1.3-propanediol, 1.4-butanediol, 1.6-hexanediol, allyl bromide and acryloyl chloride.

本文以1.3-丙二醇、1.4-丁二醇、1.6-己二醇、烯丙基溴及丙烯酰氯为主要原料,通过三步反应合成了三种不同链长的丙烯酸酯-丙烯基醚杂化单体。

The State's attorney general filed suit under Proposition 65 against some of the biggest food companies, including McDonald's, Burger King, KFC, and Frito-Lay, to force them to put warning labels on all French fries and potato chips sold in California because they contain high levels of acrylamide, a known carcinogen.

有致癌物,主要是丙烯酰胺加州首席检察官起诉一些大食品公司包括:麦当劳、Burger King,肯德鸡,和 Frito-Lay,强制要求它们在加州销售的法式油炸和土豆片上贴上警告语:本品含有高浓度丙烯酰胺----一种已知致癌物!

These observations suggest that PVA-MEC is an excellent fluorescent macromolecular material with a convenient method of preparation and had a good water-soluble ability.(2) An acrylic monomer bearing xanthene group, acryloyl-fluorescein was synthesized from fluorescein and acryloyl chloride. The photophysical behaviors of Ac-Flu and its copolymer were explored by recording the fluorescence spectra in solution, solid state and film in detail.

2我们采用基于荧光功能单体制备荧光聚合物的方法,选择荧光素为发色团,使它与丙烯酰氯反应,合成出含有双键的荧光素单体Ac-Flu,然后令其与丙烯酰胺共聚,制备得到含有荧光素生色团的水溶性荧光聚合物poly(Ac-Flu-co-AM)。

Objective: A method was developed for the determination of acrylamide in food and the levels of acrylamide in amylaceous and fried food in market were analyzed using this method.

目的:建立食品中丙烯酰胺的测定方法,并对市场上淀粉类、油炸类食品进行丙烯酰胺含量的初步了解。

A series of pH- and temperature-sensitive hydrogels carrying pendant phosphategroups have been synthesized by copolymerizing 2-methacryloyloxyethyl dihydrogenphosphate with N-isopropylacrylamide. The swelling ratio, swelling and deswellingkinetics have been investigated. High loading percentage of lysozyme into hydrogelshas been achieved and the release profile has been studied.

通过N-异丙基丙烯酰胺和含磷酸基团的单体2-甲基丙烯酰乙氧基二氢磷酸酯的共聚合,合成了一类含磷酸基团的既对温度敏感又对pH敏感的水凝胶,研究了它们在不同pH及温度时的溶胀率及溶胀动力学,并初步研究了其对溶菌酶的释放行为。

Several physical and chemical properties, such as pH, refractive index,heavy metal content, infrared spectrum, heat stability and residual acrylamide, were determined for medical-use polyacrylamide hydrogel samples.

医用聚丙烯酰胺是以丙烯酰胺为原料合成的,具有广泛用途的水溶性高分子,PAM水凝胶主要用于人体软组织填充[1,2 ] ,也可用于医药软膏、药膜和药物载体。医用PAM水凝胶的主要理化性能包括外观、pH值、折射率、重金属含量、红外光谱、化学热稳定性和丙烯酰胺单体残留量。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。