丙烯酸

Through replacing copper Tri-fluoroacetate by copper α-methacrylic in Metal Organic Deposition process, the total amount of fluorine in YBCO precursor solution was reduced by about 50%. As a result, the calcination period for YBCO precurse film was dramatically reduced.

在金属有机盐沉积法制备YBCO薄膜的工艺中，采用无F的α甲基丙烯酸铜取代原来的三氟乙酸铜，可以降低前驱溶液中大约50%的氟含量。

The research of polymer/layered silicate nanocomposite was introduced detailedly, including the classify, property and the latest research advance. On the basis of consulting the document and the exploratory experiment, the experimental method which first creative preparing poly (acrylonitrile-vinyl acetate)/raontmorillonite nanocomposite by emulsion intercalation copolymerization was established; the structure and property of polyacrylonitrle different molecule weight with inorganic mineral super fine nanocomposite was reseached. The reaction principle of PMMA by photo-initution was explored. The mixture principle with productor condition, property of PE/Clay nanocomposite milt insert was seal prived. By PS/Clay nanocomposite munufacture, the monomer ins-polymerization and polymerial solution was proved.

在查阅文献和探索性实验的基础上，确定采用乳液原位插层聚合方法首先创制了聚/蒙脱土纳米复合材料，利用正交实验得出了最佳实验条件，通过X射线衍射和红外光谱对纳米复合材料的结构进行表征，研究了复合材料的溶解性能，并测定了其溶液的绝对粘度；研究了不同相对分子质量的聚丙烯腈与不同的无机矿物超细粉复合材料的结构与性能；探讨了在蒙脱土中光引发聚甲基丙烯酸甲酯的反应机理；通过聚乙烯与粘土的纳米复合材料制备，探讨了热塑性树脂熔融插层复合机理与最佳工艺条件和复合材料性能关系；通过聚苯乙烯与蒙脱土纳米复合材料制备，验证了单体原位聚合插层和聚合物溶液插层机理。

Electrochemical impendance spectroscopy,ultraviolet spectroscopy,salt fog test,chemical resistance,water proofness and mechanical performances were all employed to study its properties.

采用纳米TiO2、缓蚀剂BTA及助剂等对水性丙烯酸乳液改性，制成铜和铜合金防蚀封护剂。

It is the first example to synthesize Z isomers of propenoic acids and their derivatives highly stereoselectively by the nucleophilic addition of a carbon- carbon triple bonds.

这种利用亲核试剂进攻碳-碳叁键以高立体选择性地合成丙烯酸及其衍生物的方法尚无前例。

It is completely your choice whether to run a PUA or not.

这完全是你的选择是否开办一个聚氨酯丙烯酸酯或不是。

PUA Training is a unique university for students who want to better their lives with women.

聚氨酯丙烯酸酯的培训是一个独特的大学的学生谁想要改善自己的生活与妇女。

The effect of initiator content on the viscosity and conversion rate of PUA was studied as key point.

通过接枝法制备了丙烯酸改性聚氨酯乳液，重点研究引发剂用量对PUA黏度和转化率的影响。

Besides, the application of PUA that we synthesized in UV curable leather finishing was studied.

其次，论文对所合成水性UV 聚氨酯丙烯酸酯在皮革涂饰剂中的应用进行了研究。

He is indeed a well-respected PUA with his name that has been for a long time included in prestigious lifestyle magazines and lifestyle sections, such as that of the New York Times Style section's list of top pick up artists.

他确实是一个备受尊重的聚氨酯丙烯酸酯与他的名字已经很长一段时间包括在著名的时尚杂志和生活方式的章节，如纽约时报的风格科的清单顶端拿起艺术家

This article introduces the research progress of the preparation of polyurethane/acrylate composite latex ; and expects the development of PUA coatings.

介绍了聚氨酯-聚丙烯酸酯复合乳液制备方法的研究进展，同时对PUA涂料的发展进行了展望。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。