1) cationic modified starch
阳离子改性淀粉
1.
Based on the property of cationic and anionic polymers in aqueous solution to form gelatinous precipitates, a cationic polymer, NCP (a cationic modified starch), is selected and recommended to be injected into production or injection wells where it reacts with the flooding polymer HPAM adsorbed and trapped in reservoirs a.
基于阳离子与阴离子聚合物在溶液中生成凝胶状沉淀物的特性 ,选择阳离子聚合物NCP(一种阳离子改性淀粉 ) ,建议将NCP溶液注入生产井或注入井 ,使NCP与滞留于地层中的驱油剂HPAM反应 ,实施封窜或调剖。
2) modified cationic starch
改性阳离子淀粉
1.
The modified cationic starch was prepared by grafting the synthesized cationic starch with acrylamide through free radical polymerization.
本研究以玉米淀粉、N-(3-氯-2羟基)N,N,N-三甲基氯化铵为主要原料,用半干法合成阳离子淀粉,并利用红外光谱对所合成的阳离子淀粉结构进行了表征;将所合成的阳离子淀粉与不同量的丙烯酰胺通过自由基聚合反应进行接枝共聚,制备改性阳离子淀粉,并利用红外光谱和核磁共振谱对改性阳离子淀粉结构进行了表征。
3) cationic starch
阳离子淀粉
1.
Preparation of cationic starch modified flocculant and its performance on oil-containing wastewater;
阳离子淀粉改性絮凝剂的制备及其对油脂废水的絮凝效果
2.
Study on the flocculation performance of cationic starch in dyeing wastewaters;
阳离子淀粉对染料废水絮凝性能的研究
3.
Synthesis of quaternary ammonium type low substituting degrees of cationic starch;
季铵型低取代度阳离子淀粉的合成
4) Cation starch
阳离子淀粉
1.
Study of Chitosan -cation starch graft copolymer as Paper Strengthening Agent;
壳聚糖阳离子淀粉接枝共聚物纸张增强剂的研究
2.
Flocculation action of cation starch for treating Kaolin suspension
阳离子淀粉对高岭土悬浮液的絮凝处理
3.
Take the cation starches as the flocculant, adds PAC (polyaluminium) as the assistance flocculant, in factor under and so on consideration temperature, pH value influences, studies its effect on the printing waste water processing.
以阳离子淀粉为絮凝剂,加入PAC(聚合氯化铝),在考虑温度、pH值等因素的影响下,研究其对印染废水的处理效果。
5) tapioca cationic starch
木薯阳离子淀粉
1.
Introduced the factors influencing of the synthesis of tapioca cationic starch, the synthesis conditions of cationic starch is optimumed.
介绍合成木薯阳离子淀粉的影响因素,确定出合成阳离子淀粉的最佳工艺条件,表明木薯阳离子淀粉合成最佳条件是:阳离子醚化剂是淀粉用量的5%,反应温度50℃,反应时间6h;对取代度为0。
6) cationic starch
阳离子化淀粉
1.
Synthesis and uses of cationic starch;
阳离子化淀粉的制备方法及其应用
补充资料:阳离子-阳离子干扰
分子式:
CAS号:
性质:火焰原子吸收光谱分析中,伴生阳离子对待测阳离子测定中信号的增强或抑制。它属于化学干扰;信号增强属于增感效应,信号被抑制属于干扰效应。如测定镁时铝存在可抑制镁的信号;测定铝时钛存在,可增强铝的信号。前者由于生成难解离的MgO·Al2O3,减少了镁的基态原子;后者是钛的亲氧能力比铝强,钛夺取了氧化铝中的氧,生成氧化钛,铝从氧化铝中释放出来。
CAS号:
性质:火焰原子吸收光谱分析中,伴生阳离子对待测阳离子测定中信号的增强或抑制。它属于化学干扰;信号增强属于增感效应,信号被抑制属于干扰效应。如测定镁时铝存在可抑制镁的信号;测定铝时钛存在,可增强铝的信号。前者由于生成难解离的MgO·Al2O3,减少了镁的基态原子;后者是钛的亲氧能力比铝强,钛夺取了氧化铝中的氧,生成氧化钛,铝从氧化铝中释放出来。
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参考词条