1) pH swing method
pH摆动法
1.
The alumina with high specific surface area, large pore volume and diameter, and narrow pore size distribution was prepared by pH swing method from Al 2(SO 4) 3 and different precipitants such as NH 4OH, NaOH and NaAlO 2.
以硫酸铝液为原料 ,以氨水、氢氧化钠和铝酸钠为碱沉淀剂 ,采用pH摆动法制备了高比表面积、大孔径、窄孔分布、大孔体积氧化铝 ,考察了沉淀剂、沉淀温度及沉淀时酸侧pH值对氧化铝物性的影响 ,并对 pH摆动法与等 pH沉淀法的结果进行了比较 。
2) pH value swing precipitation method
pH摆动沉淀法
1.
pH value swing precipitation method(pH VSPM) was used for preparation of Al(OH)3 colloid by the reaction of aluminum salt and aqueous ammonia,followed by addition of polymers as pore-expanding agent,ball grinding,drying,adding fusing agent,moulding under(220-240) MPa and calcination at 1 500 ℃.
利用pH摆动沉淀法由铝盐与氨水反应,加入高聚物作扩孔剂,球磨,烘干并加入助熔剂后,进行压制成型和焙烧,制备出大孔径、宽分布和侧压强度大的块状载体A l2O3,其比表面积约(50-70)m2。
3) pendulous method
摆动法
1.
Linear approximation is used to pendulous method to get stop point and precision balance measurement of mass.
本文对天平测量中应用线性近似于摆动法求停点和对物体质量的精密称衡作理论推证和实验验证。
4) weighing by swings
摆动称法
5) PH method
pH法
1.
Experiment of measuring the reaction capability of light benzene with the PH method instead of the indicator method;
pH法代替指示剂法测量轻苯反应性的实验
6) flow-injection pH gradient technique
流动注射pH梯度法
补充资料：siloxanes and silicones, di-me, di-ph, me vinyl, polymers with ph silsesquioxan
CAS：68037-68-3
中文名称：二甲基-二苯基-甲基乙烯基(硅氧烷与聚硅氧烷)与苯基倍半硅氧烷的聚合物
英文名称：Siloxanes and Silicones, di-Me, di-Ph, Me vinyl, polymers with Ph silsesquioxanes；siloxanes and silicones, di-me, di-ph, me vinyl, polymers with ph silsesquioxan
中文名称：二甲基-二苯基-甲基乙烯基(硅氧烷与聚硅氧烷)与苯基倍半硅氧烷的聚合物
英文名称：Siloxanes and Silicones, di-Me, di-Ph, Me vinyl, polymers with Ph silsesquioxanes；siloxanes and silicones, di-me, di-ph, me vinyl, polymers with ph silsesquioxan
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