1) quaternaries cation
季铵型阳离子
1.
The effects of the experimental conditions of the molar ration of cornstarch and quaternaries cation, pH, reaction temperature and reaction time on reaction were investigated.
探讨了以水为分散介质 ,玉米淀粉的季铵型阳离子化学改性的各种反应条件对转化率 (阳离子试剂与玉米淀粉结构中的羟基反应的比例 )和取代度 (阳离子试剂取代伯羟基的比例 )的影响。
2) cationic quaternary ammonium salt
阳离子型季铵盐
1.
The result indicated that cationic quaternary ammonium salt decolorizer was a kind of effectual decolorizer for leather dye wastewater.
选用两种阳离子型季铵盐类絮凝剂处理皮革黄L-2R模拟染料废水,考察了加药量、pH以及反应时间对脱色率和CODCr去除效果的影响。
3) quaternary ammonium cation
季铵阳离子
1.
A new kind of modified montmorillonite was prepared by introducing Zn~(2+) and quaternary ammonium cations into montmorillonite via the ion exchange,which was used as an antibacterial agent.
将锌离子和季铵阳离子依次与蒙脱土进行离子交换反应,制备了新型改性蒙脱土复合抗菌剂,并探讨了其最佳制备工艺条件。
2.
Pt Nano particles modified with quaternary ammonium cation were synthesized by chemical reduction.
以季铵阳离子聚合物为修饰离子、乙醇为还原剂 ,在水溶液中合成了具有稳定电位的阳离子修饰纳米Pt颗粒 ,还原过程采用UV vis光谱监控 ,粒子形貌采用TEM表征 。
4) quaternary ammonium ion
季铵阳离子
1.
Five kinds of lignosulfonate with different quaternary ammonium ions were prepared by means of dowexing.
以木质素磺酸钙为原料 ,通过离子交换法制备了五种季铵阳离子木质素磺酸盐 ,系统的研究了它们对水泥各项性能的影响。
2.
Five kinds of lignosulfonates with different quaternary ammonium ions were prepared by means of dowexing.
以广州造纸厂生产的MG减水剂为原料 ,通过离子交换法制备了五种季铵阳离子木质素磺酸盐 ,研究了它们对水泥净浆凝结时间和抗压强度的影响 ,并用扫描电镜对水泥净浆固结体的微观结构进行了观
3.
Using sodium β-naphthalenesulfonate-formaldehyde condensate as raw material,six kinds of β-naphthalenesulfonate-formaldehyde condensates with different quaternary ammonium ions were prepared by means of dowexing.
以 β -萘磺酸甲醛缩合物钠盐为原料 ,通过离子交换树脂法制备了六种不同结构的季铵阳离子所对应的萘磺酸甲醛缩合物盐 ,并研究了它们对水泥混凝土各项性能的影
5) quaternary ammonium type cationic starch
季铵型阳离子淀粉
1.
Preparation and application of quaternary ammonium type cationic starch flocculant;
季铵型阳离子淀粉絮凝剂的制备及其应用
2.
Study on synthesis of quaternary ammonium type cationic starch;
季铵型阳离子淀粉的合成研究
3.
This paper preliminarily studied the strengthening of the quaternary ammonium type cationic starch on wastepaper recycling.
减轻废纸在回收利用过程中的强度降低的趋势对废纸的再生循环利用有着极其重要的作用,本文对季铵型阳离子淀粉在废纸回用过程中的增强效果进行了初步研究。
6) quaternary ammonium cationic sesbania gum
季铵型阳离子田菁胶
1.
A new type of flocculant named quaternary ammonium cationic sesbania gum(QACSG) was optimized from susbania gum series,and flocculation effects of QACSG and polyacrylamide(PAM) for treating domestic wastewater were compared.
从田菁胶及其衍生物系列中优选出了一种新型高分子絮凝剂-季铵型阳离子田菁胶(QACSG),并对QACSG和聚丙烯酰胺(PAM)在处理生活污水中的絮凝效果作了系统比较。
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。
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