• Oils, vegetable, sulfonated, sodium salts;

    磺化植物油,钠盐;

    youdao

  • Copolymer beads of styrene and divinylbenzene were sulfonated by microwave heating.

    用微波加热使苯乙烯和二乙烯苯共聚小球磺化。

    youdao

  • The preparation of cross linked sulfonated Chitosan derivatives has been investigated.

    研究了交联壳聚糖磺化衍生物的制备方法。

    youdao

  • P204 was used as extractant and sulfonated kerosene was used as thinner in the experiment.

    实验用P204做萃取剂,用磺化煤油做稀释剂。

    youdao

  • Performance of sulfonated alkali lignin used as water reducer for concrete was experimented.

    实验研究了磺化碱木素用作混凝土减水剂的性能。

    youdao

  • Still more so are the synthetic types, such as sulfonated dodecyl benzene and similar alkylates.

    更有效的是合成型洗涤剂,例如十二烷基苯磺酸盐和类似烷基化物。

    youdao

  • A novel sulfonated polyimide was modified by one-step method. Then the SPI membranes were fabricated.

    采用一步法合成了一种新的磺化聚酰亚胺(SPI),并制备成膜。

    youdao

  • Polysulfone (PSF) and sulfonated polysulfone (SPSF) were synthesized and characterized by IR spectrum.

    合成了聚砜(PSF)和磺化聚砜(SPSF),用红外光谱对其进行了分析和表征。

    youdao

  • Moreover, the sulfonated PES (SPES) was blended with PES to improve the hydrophilicity of PES membranes.

    同时初步探索了磺化聚醚砜(SPES)改性PES中空纤维膜的制备。

    youdao

  • The high activity of the oleums is helpful for enhancing the sulfonation degree of the sulfonated bodies.

    发烟硫酸活性高,有助于提高磺化物的磺 化度。

    youdao

  • The preparation of some new types of products such as hydroxyl-sulfonated betaines avoided these problems.

    一些新品种如羟磺基甜菜碱的制备避免了上述问题。

    youdao

  • This paper reviews the research progress in sulfonated polyimidesas materials for proton exchange membrane fuel cell.

    综述了磺化聚酰亚胺作为质子交换膜燃料电池中膜材料的研究概况。

    youdao

  • The results showed that the proper organic solvent and extractant were sulfonated kerosene and trialkyl phosphine oxide.

    结果表明,较合适的溶剂和萃取剂分别为磺化煤油和三烷基氧膦。

    youdao

  • This paper reviews the research progress in sulfonated polyimides (SPI) as materials for proton exchange membrane fuel cell.

    综述了磺化聚酰亚胺作为质子交换膜燃料电池中膜材料的研究概况。

    youdao

  • These phenomena account for the concerted action of the humic acid and the sulfonated polystyrene structure units in SHAGPS.

    SHAGPS的这些性能是腐植酸和磺化聚苯乙烯两部分结构协同作用的结果。

    youdao

  • In this paper we studied out a heterogeneous sulfonation method for preparing sulfonated polysulfone with low sulfonation values.

    本文采用非均相磺化反应方法,制备了低磺化度的磺化聚砜。

    youdao

  • The elongations of the leathers fatliquored by the sulfonated oil STO, sulfated castor oil and sulfated neatsfoot oil were better .

    磺化油STO、硫酸化牛蹄油和硫酸化蓖麻油加脂的坯革伸长率较大。

    youdao

  • The preparation methods of sulfonated coal and factors such as sulfonation time, sulfonation temperature and ratio of acid to coal etc.

    试验研究了褐煤制磺化煤的制备方法及磺化温度、磺化时间、酸煤比等因素对产物磺化煤的离子交换活性的影响。

    youdao

  • The set of sulfonated device has been put into production. Quality and stability, filled the blank of anionic surfactant in north China.

    现该套磺化装置已投产运行,其开工正常,质量稳定,填补了华北地区阴离子表面活性剂的空白。

    youdao

  • The results showed that the acidic group amount of oxidized ACF and sulfonated ACF increased 289% and 322% respectively, compared with ACF.

    结果表明,与原样acf相比,氧化acf表面酸性基团含量增加了289%,磺化acf表面酸性基团含量增加了322%。

    youdao

  • The infrared spectrum of sulfate ligins is distinctly changed after they are sulfonated and modified under an ordinary pressure or a compression.

    硫酸盐木素经常压和加压磺化改性后,其红外光谱特征有明显改变。

    youdao

  • With sulfonated melamine and urea as monomers and acids as catalysts, the synthesis of sulfonated melamine urea formaldehyde resin is carried out.

    以磺化三聚氰胺和尿素为单体,在酸催化下,合成磺化三聚氰胺尿素甲醛树脂。

    youdao

  • Melt flow properties and mechanical properties of sulfonated butyl rubber ionomers neutralized by different metallic cations and amines were studied.

    研究了不同金属离子及胺中和的磺化丁基橡胶离聚体的熔融流动性及力学性能。

    youdao

  • Water soluble sulfonated acetone formaldehyde (SAF) resins were synthesized by using acetone, formaldehyde and sodium bisulfite as starting materials.

    以丙酮、甲醛和亚硫酸氢钠为主要原料合成了水溶性磺化丙酮-甲醛缩合物(SAF)。

    youdao

  • The oligomerization of 1-butene and 2-butene catalyzed by large pore sulfonated polystyrene resins was conducted in a 200ml stainless steel autoclave.

    本文以大孔聚苯乙烯磺酸树脂为催化剂进行1-丁烯、2-丁烯齐聚反应;

    youdao

  • The molecular weight distribution of sulfonated polysulfone, expressed in terms of intrinsic viscosity distribution, has been determined by GPC method.

    本文用gpc法测定了磺化聚砜的分子量分布,它是以特性粘数的分布来表示的。

    youdao

  • The invention relates to a method for preparing a sulfonated carbon solid acid catalyst, which uses a sulfonic aromatic compound to replace sulfuric acid.

    本发明涉及一种以磺酸基芳香化合物代替硫酸制备磺酸化的炭质固体酸催化剂的制备方法。

    youdao

  • The sulfonated polystyrene (SPS) has been prepared by sulfonation reaction of the polystyrene, which is used as a filtrate reducer for oil well cement slurry.

    通过磺化改性,制备了磺化聚苯乙烯(SPS)作为油井水泥降失水剂。

    youdao

  • The sulfonated polystyrene (SPS) has been prepared by sulfonation reaction of the polystyrene, which is used as a filtrate reducer for oil well cement slurry.

    通过磺化改性,制备了磺化聚苯乙烯(SPS)作为油井水泥降失水剂。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定