1) Precipitation
[英][prɪ,sɪpɪ'teɪʃn] [美][prɪ'sɪpə'teʃən]
沉析
1.
Supercritical Fluid Precipitation Technology and Its Application in Pharmaceutics;
超临界流体沉析技术及其在药剂学中的应用
2.
Study on the producing of tea polyphenols by precipitation-adsorption process;
沉析—树脂吸附法生产茶多酚工艺过程研究
3.
The precipitation of 1,3,5,7-tetranitro-1,3,5,7-tetraazacyclooctane (HMX) in acetone (solution) using supercritical CO_2 antisolvent and the relations between supersaturation ratio and precipitated particle size or size distribution were studied.
用超临界CO2在丙酮溶液中沉析环四亚甲基硝胺(HMX),研究了溶液过饱和度与沉析颗粒尺寸及粒径分布之间的关系。
2) precipitation method
沉析法
1.
Polyacrylonitrile(PAN)and Poly(m-phenyleneisophthalamide) (PMIA) were dissolved in N,N-dimethylacetamide(DMAc), and blend pulps with high specific surface area were obtained from the blend solution by precipitation method.
将聚丙烯腈(PAN)与聚间苯二甲酰间苯二胺(PMIA)溶解于N,N-二甲基乙酰胺(DMAc)中配制成共混浆液,并采用沉析法制备得到了高比表面积的PAN/PMIA共混浆粕。
3) precipitation
[英][prɪ,sɪpɪ'teɪʃn] [美][prɪ'sɪpə'teʃən]
沉淀析出
1.
Ageing precipitation and strengthening behavior of 7B04 aluminum alloy;
7B04铝合金的时效沉淀析出及强化行为
2.
The results show that the precipitation of aluminum-nitride had no distinct effect on the grain size and mechanical properties of aluminum-killed low carbon steel plates produced by TSCR of which acid-soluble aluminum content was 0.
043%时,钢中AlN的沉淀析出对热轧板材的晶粒度及力学性能没有明显影响,据此可以推测AlN的沉淀析出不是薄板坯连铸连轧低碳铝镇静钢晶粒细化的原因。
3.
Niobium possessing both grain refinement and precipitation strengthening function is a typical microalloying element.
本文为了研究铌钼复合微合金化低碳钢中碳氮化物的沉淀析出行为及其对钢的组织和性能的影响，设计了铌钼质量百分数分别为0。
4) in-situ precipitation
原位沉析
1.
Then the organic-inorganic composite CaCO3/PU was prepared via in-situ precipitation method.
用甲苯二异氰酸酯(TDI)与二羟甲基丙酸(DMPA)合成带有羧基的两亲加聚物P(TDI-DMPA)(简称PU),通过原位沉析法制备了CaCO3/PU复合材料。
2.
Chitosan/CaCO_3 composite with high performed, potential applicant was prepared by the method of in-situ precipitation and reaction.
本文在实验室原有工作的基础上,利用原位沉析法和原位合成的原理,制备了无机矿物—碳酸钙为分散相,生物高分子材料—壳聚糖为基体的复合三维材料。
5) precipitated pulp
沉析浆粕
1.
The papermaking characters of PBO(poly-paraphenylene-benzobisoxazole)precipitated pulp were studied in this paper.
本文研究了PBO(聚对苯撑苯并二噁唑)沉析浆粕的抄造性能,讨论了PBO沉析浆粕与短切纤维、原纤化浆粕的配抄性能。
6) precipitation
[英][prɪ,sɪpɪ'teɪʃn] [美][prɪ'sɪpə'teʃən]
沉析法
1.
PAN pulp with high specific surface area has been obtained by precipitation method.
采用沉析法制备得到了高比表面积的聚丙烯腈(PAN)腈纶浆粕,系统地研究了沉析过程中各工艺参数对PAN浆粕成形的影响。
2.
The effects of the adding of lithium chloride on PAN pulp by precipitation methodare studied.
研究了在腈纶浆液中加入氯化锂对沉析法成形腈纶浆粕的影响。
3.
A mechanism for the formation of PPTA pulps by precipitation method is discussed based on the experimental observation.
在电子显微镜和光学显微镜观察的基础上,对沉析法制备聚对苯二甲酰对苯二胺(PPTA)浆粕的成形机理进行探讨:PPTA/H2SO4溶液的小液滴在剪切流动场作用下被逐渐拉长,随着凝固液扩散到PPTA/H2SO4溶液液滴中,当达到一定的凝固条件时,形变就被凝固下来形成PPTA纤维,在高速搅拌作用下,发生原纤化作用而形成PPTA浆粕。
补充资料：沉析纤维
分子式：
CAS号：
性质：又称沉析纤维，指有纤维状结构的合成聚合物。品种有芳酰胺、聚酯、聚己内酰胺和聚丙烯腈等。其形态如枝梢，长约1mm，具有黏合和抱合性，调成浆液后能黏合化纤等，制成合成纸或薄型湿法非织造物等。制法是将聚合物稀溶液等在强烈搅拌下注入大量凝固剂，或将其细流注入强搅拌的凝固液中，沉析成纤条体。用途作合成纸和电绝缘纸的粘接料等。
CAS号：
性质：又称沉析纤维，指有纤维状结构的合成聚合物。品种有芳酰胺、聚酯、聚己内酰胺和聚丙烯腈等。其形态如枝梢，长约1mm，具有黏合和抱合性，调成浆液后能黏合化纤等，制成合成纸或薄型湿法非织造物等。制法是将聚合物稀溶液等在强烈搅拌下注入大量凝固剂，或将其细流注入强搅拌的凝固液中，沉析成纤条体。用途作合成纸和电绝缘纸的粘接料等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条