查询词典 viscosimeter
- 与 viscosimeter 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Two kinds of polyimide films were prepared based on the ODA and ODPA in NMP through two-step thermal or chemical imidization process and characterized by the cone and plate viscosimeter, GPC, FTIR, DSC, TGA and strain properties tests.
以4,4'-二胺基二苯醚和3,3',4,4'-二苯醚四酸二酐为单体,采用两步法,分别经热亚胺化和化学亚胺化过程制备了两种聚酰亚胺薄膜,并对两种薄膜的性能进行了表征。
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The results suggested that chitinhad a good solubility in the new solvent when its at -30℃and below, but the solubilityof chitin no longer increasesd notable as the temperature reduced; The joined of urea, incertain degree, strengthened the solvency of alkali solvent to chitin. When theconcentration of sodium hydroxide is 8%~12%, Chitin had a good solubility, and theapparent viscosity of chitin solution could up to 4000 mpa·s~5000mpa·s at roomtemperature; In addition,the solubility of chitin in new solvent was high when therefrigerated time was three days and above, but the refrigerated time could not too long,otherwise, the deacetylize degree of chitin got more bigger. The properties of chitin solution were tested by revolving viscosimeter, FT-IR,X-RD and so on.
结果表明,在-30℃及以下甲壳素能很好的溶解于新溶剂中,但甲壳素的溶解度不再随温度的下降而有所增大,而是基本保持不变;尿素的加入,在一定程度上强化了强碱溶剂对甲壳素的溶解,当新溶剂中NaOH浓度为8%~12%时,甲壳素在试验温度下可以获得较好的溶解度,所得溶液在室温下的表观黏度达4000 mpa·s~5000mp·s;冷冻时间为3 d及以上时,有利于甲壳素的溶解,超过3 d,甲壳素的溶解度变化不大,另外,冷冻条件下,甲壳素在强碱溶剂中仍会发生脱乙酰化反应,冷冻时间不宜太长。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。