alumina concentration 中文意思是什麼

alumina concentration 解釋
氧化鋁濃度
  • alumina : n. 【化學】礬土，鋁氧土。
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. Abstract : abstract effect of alumina concentration, mole ratio and magnesium fluoride content on electroosmosis ni the aluminum smelting is investigated through test, and electroosmotic matter and depth analyzed by electronic probe and x - ray diffraction

    文摘:通過試驗考察了氧化鋁濃度、分子比及氟化鎂含量對鋁電解電滲的影響，並通過電子探針和x -射線衍射分析了電滲的物質，電滲的深度。
  2. The results show that the main matter for the electroosmosis is sodium - fluorine compound ; the depth and matter for the electroosimosis increase with increase of alumina concentration and magnesium fluoride content, and the electroosmosis deepens sharply when the cryolite mole ratio reaches 2. 0

    結果表明：電滲的主要物質是鈉氟化合物，隨著氧化鋁濃度及氟化鎂含量的增加，電滲的深度及電滲的物質量增加；當冰晶石分子比達到2 . 0時，電滲的深度急劇增加。
  3. The effective regeneration procedure is soaking the adsorbent 30 ~ 50h with 1 - 2 % al2 ( so4 ) 3 for activated alumina and 20 ~ 30h with 1 - 1. 5 % naoh for bone char. studies show both activated alumina and bone char are excellent adsorbents for the removal of fluoride from drinking water. fluoride concentration below 1. 0mg / l can be acquired easily with them and meets the requirement of drinking water standards

    對兩種除氟劑進行的再生液與吸附劑體積比為1 : 1的再生實驗表明：用硫酸鋁溶液對活性氧化鋁再生，再生濃度為1 2 ，再生時間為30 50h ，沖洗浸泡時間為5h效果較好；對骨炭再生，氫氧化鈉再生液濃度為1 1 . 5 ，再生時間為20 30h效果較好。
  4. We have got porous alumina in the aqueous solution of oxalic acid with appropriate concentration through two - step anodic oxidation. the resultant porous alumina membranes have relatively ordered hexagonal pore arrays, which consist of separated nanopores perpendicular to the film surface, parallel to each other and with uniform pore diameter. the pore diameter can be controlled by varieties of immersion time in acid

    實驗表明，在適當濃度的草酸中，鋁電化學氧化形成多孔氧化鋁，其表面形貌研究表明，多孔氧化鋁膜中孔徑均勻，垂直於表面且彼此分立而平行的納米級微孔，通過擴孔處理可以方便控制孔徑大小。
  5. It ' s indicated that the zeta potential and total interaction energy of the colloidal particles are both at a maximum when the nitric acid concentration is 0. 22mol / l for the alumina sols with a mol ratio of 1 : 50 between asb and h2o,

    結果表明，膠體顆粒的雙電層厚度隨硝酸的濃度的增加不斷減小，對異丁醇鋁與水的摩爾比為1 ： 50系溶膠，硝酸濃度為0 . 22mol l時膠體顆粒的zeta電位和作用位能最大。
  6. To improve the fluorescent intensity of the dyes in alumina film, a series of experiments were conducted. to enlarge the diameter and extend the length of the pores, improve the porosity, and increase the concentration of dye solution can increase the quantity of dye in alumina film. therefore the fluorescent intensity of the dye in alumina film can be enhanced greatly

    做了一系列實驗考察了如何提高染料鑲嵌膜的光致發光強度，發現通過改變多孔鋁的孔徑尺寸、空隙率、染料在溶液中的濃度等，以此增加鑲嵌在多孔鋁孔中的染料分子數量，可大幅度提高染料鑲嵌膜的熒光強度。
  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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