• 一家中国公司鉴定出添加甘油安全增稠剂乙二其实一种普通的低成本的运用汽车冷冻剂的替代品。

    Chinese company had identified the additive as glycerin, a safe sweetener and thickener. But it was really diethylene glycol, a low-cost substitute commonly used in automobile antifreeze.

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  • 加工类别各种可以粉碎干湿物,三聚氰胺,聚乙烯化工石膏类、粮食类、类。

    Processing category: Various dry and wet materials that could be crushed, including chemical raw materials, gesso powders, hulls, grains, and plastics.

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  • 尿素聚乙烯进行改性,使水性得到提高。并用溶剂萃取对其耐水性进行了测试,确定了最佳改性条件

    The water resistance of PVA was increased by using urea. The product was tested by the method of solvent extraction. The best modification condition was found.

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  • 较系统地研究了时间电流密度初始浓度等因素葡聚糖-聚乙二-水体系中的苯丙氨酸上下相浓度比、萃取质量以及电流效率影响

    The influences of time, current intensity, initial solute concentration on two-phase concentration ratio, recovery ratio, total mass flux, and electric current efficiency was discussed.

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  • 采用聚乙烯( PVA)为基,用纳米二氧化硅进行改性,制备了成本低、无毒、 水溶性乒乓球胶粘剂

    The adhesive of table tennis racket which was solubility was produced by modified PVA using nano-silica.

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  • 聚酯生产中产生的下脚——乙二残渣(主要PET聚物)为原采用合并解、交换一步工艺,合成了增塑剂DOTP。

    Plasticizer DOTP was prepared from ethylene glycol residue (major component is PET low polymer) using single step process in which alcoholysis and ester interchange were combined.

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  • 全新配方人工色素、喷砂糖甜味剂果糖蜂蜜山梨酒精、淘宝防腐剂

    This new formula does not contain any artificial colors, flavors, sugars, sweeteners, fructose, honey, sorbitol, alcohol, or preservatives.

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  • 叙述了丙烯酸丙烯酸脂、苯乙烯四元共聚合成溶性聚丙烯酸脂类的方法,连结制备柔性凸版油墨

    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.

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  • 混合物优选通过由费-托合成所形成富含辛烯的加氢甲酰化制成

    The alcohol mixtures are preferably produced by hydroformylation of octene rich streams formed by Fischer-Tropsch synthesis.

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  • 筒体套内冷冻盐水冷却水通过搅拌,使液均匀冷却,控制所需温度

    Cold salt water or cooling water can be poured into the jacket. The liquor is stirred and cooled evenly, thereby obtain desired temperature for ethanol precipitation.

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  • 筒体夹套内冷冻盐水冷却水,通过搅拌,使均匀冷却,控制所需温度

    Cold salt water or cooling water can be poured into the jacket. The liquor is stirred and cooled evenly, thereby obtain desired temperature for ethanol precipitat …

    youdao

  • 筒体夹套内冷冻盐水冷却水,通过搅拌,使均匀冷却,控制所需温度

    Cold salt water or cooling water can be poured into the jacket. The liquor is stirred and cooled evenly, thereby obtain desired temperature for ethanol precipitat …

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