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Fluoropolymer-based coatings are usually based on a dispersion of finely-divided resin particles in dispersants and diluents.

含氟树脂涂料是在分散剂和稀释液中很好的分散树脂粒子所形成的涂料。

AB??8 macroporous resin was selected,and eluant was 70% of ethanol.Conclusion The method is effective for large??

8型大孔吸附树脂,以体积分数为70%的乙醇为洗脱溶剂,4倍树脂体积。

E . ratio of resin column to its diameter , flow rate of the diesel fuel samples on adsorption , and the effects of composition , flow rate of the eluant on desorption were studied . The suitable methods were also established about extraction , elution and regeneration in the resin column.

树脂吸附碱性氮吡啶的动力学和热力学研究表明:温度在288.15K~298.15K之间,树脂对吡啶的吸附过程动力学机理模型为缩核模型,吡啶溶液质量浓度为50mg/L时,主要受液膜扩散的控制,其有效扩散系数为K_f

Anion exchange resin was not suitable for the separation as stationary phase due to the strong adsorption toward catechol.The chemicals of eluates were measured by UV and IR.Terpene-catechol resin can be used for preparing copolymeric coating from terpene-catechol resin with raw lacquer.

通过对洗脱液进行紫外光谱分析,表明用中性氧化铝作固定相,分别用汽油、乙醇和NaOH-乙醇溶液洗脱,能较好地分离萜烯树脂和萜烯-邻苯二酚树脂

Taking Solanum nigrum as raw material,the different resins to the Solanum nigrum purplish red pigment adsorption rate and the desorption effect,and the elution effect of different eluents were studied,and the technology of extracting purplish red pigment from Solanum nigrum with resins was determined,and the preperties of the purplish red pigment was checked.

以龙葵果为原料,研究了不同树脂对龙葵果紫红色素的吸附率和解吸效果,及不同洗脱剂的洗脱效果,确定了用树脂法提取龙葵果紫红色素的工艺,并对用该工艺提取的龙葵果紫红色素的性质进行了检测。

Used the dynamic adsorption law to determine the resin adsorption purified in Liuhaoya the yellow ketones matter craft condition is: Uses the AB-8 adsorption resin,On the liquid volume is 100~150 mL approximately,The type fluid density is 1% approximately, elutes the fluid density is 70%,Speed of flow 1 mL/min.

采用动态吸附法确定了树脂吸附纯化柳蒿芽中黄酮类物质的工艺条件为:采用AB-8吸附树脂,上液量约为100~150 mL,样液浓度约为1%,洗脱液浓度为70%,流速1 mL/min。

Aminobutyric acid in tea was extracted, isolated and determined. Water achieve a better effect than ethanol in extracting γ-aminobutyric acid, and γ-aminobutyric acid content was enhanced by 20%; 732 positive ion resin columns (2.5×50cm) was used to isolate, citric acid and ammonia water were used as elutes, based on pH linear gradient. Results indicated that γ-aminobutyric acid inelute could reach 39%; thin layer scanner could measure the content of γ-aminobutyric acid.

对茶叶中γ-氨基丁酸的提取、分离及检测方法进行了研究,分别采用水和乙醇作为提取溶剂,结果发现用水提取能达到更好的效果,γ-氨基丁酸含量提高20%;同时采用离子交换树脂对γ-氨基丁酸提取液进行分离,提取液上732阳离子树脂柱(2.5 ×50cm),使用柠檬酸和氨水缓冲液进行pH线性梯度洗脱,洗脱液中γ-氨基丁酸最高浓度达39%;采用薄层扫描仪对γ-氨基丁酸的含量进行检测,研究并确定了检测的条件及参数。

Studies on the effect of eluting time,temperature and ultrasonic on elution rate are carried out and X-ray fluorescence are used in analysis.

针对硫酸溶液可以有效洗脱树脂上的氰化物和锌,但不能洗脱铜的工艺问题,选择氨水溶液对酸洗后201×7树脂上的铜进行解吸;试验研究了解吸过程的时间、温度以及超声波作用等条件对解吸率的影响,并进行了X射线荧光分析。

For example, to work to make with this type of ink, which contained flexbible because of the existence of silicone are often prone to overprint and cracking phenomenon, but not to join the silicone resin, and will bring about Ink viscosity and bubbles too many questions, which is very difficult to achieve a balanced each other there is always a certain amount of contradiction, and it has always been in the film class printer materials on flexo business card printing and membership card when faced with a great problem.

比如用这种油不朱打底后,在其上叠印刚印油不朱时,由于硅树脂的活命,不常便当爆发叠印不良和龟裂本体,但若不参加硅树脂,又会带来油不朱黏量不敷和气泡太多的题目,这两方面很难到达平衡,彼此之间老是活命必定的和解,而且这也不断是在薄膜类承印质料上举行刚性版制卡和会员卡制作时所回避的一不小困难。

This article has studied the woven cottons in after the resin finishing performance change, after joins the formaldehyde elimination medicinal preparation in the identical resin finishing formaldehyde content contrast as well as each kind of

本文研究了棉织物在通过树脂整理后的性能变化,和加入甲醛清除剂后同普通树脂整理的甲醛含量的对比以及各类性能上的改观。

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呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

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