查询词典 alkali cellulose

Cellulose Acetate The first commercial membranes for reverse osmosis and ultrafiltration were made from cellulose acetate .

纤维素醋酸酯第一个商业用反渗透膜和超滤膜是由纤维素醋酸酯制成。

Cellulose nitrate was obtained via nitration of cellulose using the mixture of sulfuric acid and nitric acid.

利用粘度法测定了制备的硝酸纤维素的分子量为1.3×10~5 g·mol~(-1)。

Mixed cellulose ester membranefor hydrophilic is a mixture of cellulose acetatecellulose nitrate.

混合纤维素酯膜由硝酸纤维素酯和醋酸纤维素酯制成，是一种多孔性的精密过滤材料，滤膜表面孔径分布均。

Cellulose triacetate or safety base completely replaced cellulose nitrate as the material used for motion picture film base by 1951-52, primarily because of flammability concerns.

三醋酸纤维素完全取代硝酸钾成为制作动画胶片的底片原料是大约1951-52年以后的事了，主要是基于硝酸钾易燃的考虑。

In this paper, the hydrophobic cellulose nitrate microporous composite membranes have been obtained by modification of hydrophilic cellulose nitrate microporous membranes by the use of plasma polymerization of octafluorocyclobutane.

本文以八氟环丁烷为单体，采用等离子体聚合法将亲水性硝酸纤维素微孔膜改性，制得疏水硝酸纤维素微孔复合膜。

Because the traditional resolver cellulose nitrate lustre-coating agent it does not bear the aging, the resistance to cold to be bad, shortcomings and so on hygienic performance difference receive the impact, but emulsion cellulose nitrate lustre-coating agent, although the comparison environmental protection and the hygienic performance are high, but because became the membrane glossiness to be bad and the emulsion long-term laying aside does not stabilize has limited its application.

传统的溶剂型硝化纤维光亮剂因其不耐老化、耐寒性差、卫生性能差等缺点而收到冲击，而乳液型硝化纤维光亮剂虽然比较环保且卫生性能较高，但因成膜光泽性较差和乳液长期放置不稳定而限制了其应用。

Cellulose nitrate filters, for example, are used for aqueous, oily, and weakly alcoholic solutions; and cellulose acetate filters, for example, are used for strongly alcoholic solutions.

例如，硝酸纤维素过滤器可用于水、油、稀醇溶液；而醋酸纤维素可用于浓醇溶液。

Therefore, when configuration resolver leather lustre-coating agent uses the alkyd resin and the melamine xylenol-formaldehyde resin and the cellulose nitrate mix method, the retention cellulose nitrate Cheng Mo merit, improves it not to bear the aging, the cold resistant bad shortcoming, undergoes the repeated test, compounds the successful resolver lustre-coating agent to have the very good radiance and softness, bears the stretch, bears scours, becomes the membrane to be smooth.

因此，在配制溶剂型皮革光亮剂时采用醇酸树脂和三聚氰胺甲醛树脂与硝化纤维混合的方法，保留硝化纤维成膜的优点，改进其不耐老化，耐寒性较差的缺点，经过反复试验，配制成功的溶剂型光亮剂有很好的光亮度及柔软度，耐拉伸，耐擦洗，成膜光滑。

However, the application of the natural cellulose is far less than that of the synthesized cellulose.

其最大的优势在于它是可再生的、可生物降解的、生物相容性的和可衍生化的。

Cellulose components of fruits is not high, but the vegetables in the cellulose component is very high.

水果中的纤维素成分并不高，但是蔬菜里的纤维素成分却很高。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。