pmaa 中文意思是什麼

pmaa 解釋
醋酸苯汞胺
  1. Poly ( methacrylic acid ) ( maa ) and poly ( acrylic acid ) ( aa ) microgels have been prepared as templates by employing inverse emulsion polymerization techniques. four types of spherical organic - inorganic nano - composites have been prepared by introduction of precipitation agent into the pmaa / paa microgels containing appropriate rate metal ions

    本課題開展了兩個模板體系的研究，即分別以丙烯酸（ aa ）和甲基丙烯酸（ maa ）為聚合單體，利用反相乳液聚合方法合成了幾種包埋有不同金屬離子的高分子微凝膠。
  2. Using water - soluble carbodiimide as condensation agent, biomacromolecules such as gelatin, collagen and chitosan were covalently grafted on the plla - g - pmaa membranes. solution of the biomacromolecules was further coated on the above membranes to increase the surface density of the biomacromolecules. this technology was designated " grafting and coating " method

    為了將生物大分子化學接枝于plla膜表面，首先在plla膜表面接枝pmaa ，將羧基引入plla表面，利用水溶性碳化二亞胺edac作為縮合劑，與含有氨基的生物大分子反應，可將生物大分子如明膠、膠原和殼聚糖化學接枝在plla膜表面。
  3. The stability of nano - alumina aqueous dispersion is tokened by spectrophotometer and particle size distribution instrument. it is proved that when condition is dispersant pmaa = 0. 4 %, ph = 9, nano - - alumina content = 4 % ( wt % ), ultrasonic for twenty minites, excellent stable nano - alumina aqueous dispersion can be acquired. nano particle average size is 205nm

    用分光光度計和粒度分析儀表徵了納米粒子水分散液的穩定性，結果表明納米相al2o3濃度為4 % ，分散劑為陰離子聚電解質，用量0 . 4 % ， ph = 9 ，採用超聲波分散20分鐘得到最好的分散效果，納米顆粒的平均粒徑為205nm 。
  4. The electrosteric stabilization of pmaa - nh4 plays a important role in dispersion

    這主要利用了pmaa - nh _ 4的電空間穩定機制。
  5. The electrosteric stabilization of pmaa - nh4 play a important role in dispersion.

    這主要是利用了pmaa - nh4的電空間穩定機制。
  6. Peg and pmaa - nh4 were used to disperse sic and si3n4 nano - particles in water and alcohol. the results showed that the high dispersion and stable suspension were obtained as the addition of pmaa - nh4 being 0. 3wt % and ph value 9 ~ 10

    沉降實驗和粘度實驗結果表明，採用pmaa - nh4作為分散劑，分散劑加入量為0 . 3wt % ， ph值為9 ~ 10時，可以得到高分散、高穩定的水懸浮液。
  7. First of all, nano - alumina dispersed in water is studied. we selected anion polyelectrolyte pmaa and cation surface active reagent ( ctab ) as dispersant. it is discussed that dispersant dosage, ph value, disperse time, disperse means and nano - alumina concentration affect disperse effect

    本文首先研究了納米al2o3在水中的分散，選擇陰離子聚電解質聚丙烯酸氨和陽離子表面活性劑作為分散劑，討論了分散劑用量、 ph值、分散時間、分散方法以及納米al2o3粒子濃度對分散效果的影響。
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