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pva 短語和例子PVA =【化學】1.polyvinyl ac...

pvc

When the environment temperature is 24 , under certain lubricating status , the continuous running pv value is the pv limit - pva 在環境溫度為24和特定的潤滑狀態下,連續運轉時的pv值就稱為pv極限值,用pva來表示。

By blending with pva , the rigidity and fragile properties of regenerated sf could be improved to some extent 研究了共混配比、溶液濃度、添加劑含量及電紡電壓、噴絲距離等因素對纖維盛開及纖維有關性能的影響。

0 , then we also show that the kernel normal system of p v crand p a a are characterized in terms of the kernel normal systems of p and a : aei為pva的核正規系a八b兒: 。 e為尸八a的核正規系

The pva is the excellent product awarded by our country , and is among the products of the first famous brands of fujian province 主導產品聚乙烯醇維綸纖維滌綸纖維多次被評為省優部優國優稱號。

The new usage of polyvinyl alcohol ( pva ) in many industrial fields in recent years are presented 摘要介紹了近年來聚乙烯醇產品在各個工業領域中的新用途,說明這種化工原料仍有廣泛的使用價值。

The amount of the binder and the influence of different pva on performance of ink - jet printing were discussed 討論了膠粘劑需求量的測定以及不同pva對噴墨打印性能的影響。

The major products of our company includes ironing boards , clothes racks , mops , pva sponges steps and so on 主要產品有燙衣板,晾衣架,拖把, pva膠棉等日常家居用品。

One tool for assessing the impact of forestry on the ecosystem is population viability analysis ( pva ) 一個評估森林在生態系統中影響的工具是人類生存分析( pva )

Custom size for above pva sponge wiper / block can be arranged with reasonable order quantity 如訂量合理,以上聚乙烯醇海綿產品均可按客供尺寸訂做。

Study of mucosal changes after nasal packing with chitosan reshaping pva with scanning electron microscopy 膨脹海綿鼻腔填塞后鼻黏膜掃描電鏡觀察

On the initiating systems for in situ graft polymerization of - caprolactone - grafted on the pva film 膜上原位開環接枝聚合引發體系的研究

Pva for sizing 膠料用聚乙烯醇

Investigation on the water soluble property of pva fiber and the yarn and fabric of wool pva fiber 羊毛纖維的結構弱節及力學行為

The application of high strength high modulus pva fiber in protective equipment of single soldier 纖維在單兵防護裝備中的應用

The pervaporation characteristics of a pva pan composite membrane crosslinked by glutaradehyde 復合膜滲透汽化性能的實驗研究

Radiation and its controlled release research preparation of pva - g - nipaam hydrogel by Pva - g - nipaam凝膠的輻射制備與緩釋研究

Formalized pva fiber 聚乙烯醇縮甲醛纖維

Water soluble pva fiber 水溶性聚乙烯醇纖維

Study on am and pva co - polymerization reaction with h2o2 fe2 as initiating agent 體系引發丙烯酰胺接枝聚乙烯醇的研究