gel precursor 中文意思是什麼
gel precursor
解釋
凝膠前驅物-
Mas precursor powders are prepared using aluminium sulfate, colloidal silica, and magnesium nitrate as raw materials via sol - gel methods, dsc - tg and xrd show that the mas precursor powders transform to cordierite completely at 1300
以硫酸鋁、硝酸鎂和硅溶膠為原料，採用溶膠-凝膠法，制得mas先驅體粉末， xrd表明，該粉末經1300的熱處理后，完全轉變為堇青石。 -
The pertinent research work has been carried out as follows : the transparent nano - tio2 films on soda - lime glass substrates were obtained by sol - gel process. the precursor of nano - tio2 film was ti ( oc4h9 ) 4 and the menstruum was c2h5oh. the preparation conditions which were effecting the nano - tio2 quality were researched
本文主要就納米tio _ 2薄膜的制備、探索用ecr氮等離子納米tio _ 2的摻雜改性等開展了如下的工作：本文採用溶膠?凝膠法，以鈦酸丁醋做前驅體、無水乙醇做溶劑，水解制備溶膠，然後通過提拉法制備納米tio _ 2薄膜。 -
Zno nano - particles was made from precursor zn ( ac ) 2. 2h2o through the method of sol - gel. the parameters for achieving the optimum technological conditions in making zno nano - particles were obtained by carefully observing the precursor concentration, amount of solvent and precipitants, the temperature on each stages and the behavior of reactors
在制備過程中，研究了主鹽濃度、溶劑用量、沉澱劑用量、反應各階段的工藝溫度，以及反應器等因素對實驗結果的影響，得出了制備zno納米微粒的最佳工藝參數。 -
The major results are as follows : ( 1 ) complexing action is fundamental for this method, while the interaction of molecules in gel precursor is important for uniformity. the ideal structure of complex gel is that complex molecules in the gel connecting with each other mainly by chemical bonds
得出以下結論： （ 1 ）絡合作用是絡合物溶膠凝膠法的基礎，凝膠中分子間的作用方式是影響凝膠中組分均勻性的重要方面，理想的絡合物凝膠結構應該是絡合物分子之間更多的以化學鍵合的形式相聯。 -
The thin film of la _ 2nio _ 4 prepared from urea complex precursor gel have good appearance
以尿素為絡合劑，可制得形態良好、結構完整的la _ 2nio _ 4薄膜。 -
Sol - gel method is one of the novel effective methods to prepare those mesoporous materials through controlling the texture characteristics of both template and the carbon precursor
溶膠凝膠法通過控制炭前驅體聚合物和模板物質分子網路結構同時生成，可以在一定程度上控制炭材料的最終結構，是制備中孔炭材料的新穎有效方法之一。 -
By rapid thermal processing ( rtp ), high active atoms are excited while decomposing the gel precursor film, and consequently, much more contents of crystalline phase are obtained even at relatively lower temperature
通過快速熱處理方法，在凝膠分解過程中得到的高活性離子直接形成晶相，可以在較低的溫度下形成晶相及得到相應更多的晶體含量。 -
The oxygen sensing properties of the membranes have been studied, the results indicate that the membranes with ru ( phen ) 3cl2 have better oxygen - sensitivity than those with ru ( bpy ) 3cl2, and the membranes with the formamide content of 16 % ( v / v ) and ru ( phen ) 3cl2 content of 2. 10g / l in the precursor mixture have the best structure and quality. the fiber optic gas oxygen sensor with this sensing membrane has a detection limit of 5ppm, a response time of less than 30s, excellent reproducibility and stability. ( 2 ) a new kind of organically modified oxygen - sensitive membrane based on fluorescence quenching was prepared by sol - gel method, using dds and teos as the mixed precursor, rufchenbcla as the indicator
實驗證明：該類敏感膜的tan _ 0 tan值與氧氣濃度存在良好的線性關系；包埋ru （ phen ） _ 3cl _ 2的凝膠膜的氧敏感性相對較好；當甲酰胺為16體積比含量， ru （ phen ） _ 3cl _ 2在前驅體中濃度為2 . 10g l時，制備的敏感膜結構和性能最佳；對氣態氧檢測時，該敏感膜的響應時間小於30秒，檢測下限為5ppm ，具有較好的重復性和穩定性。 -
Nickel - zinc ferrites are important electronic ceramic materials which are used in electronic devices suited for high - frequency applications in the telecommunication field, the synthesis of the powder has always been the subject of extensive studies. besides the traditional synthesis, there are some new methods, such as : hydrothermal synthesis. sol - gel synthesis and citrate precursor method, but all these method have not been extensive applied because of their shortcomings
鐵氧體是一類具有非常廣泛用途的磁性材料，其粉料的制備方法一直是人們探索的課題，除了用傳統的固相反應法外，它還可以用水熱法，溶膠凝膠法，檸檬酸鹽法等濕法技術，但由於上述方法各有其局限性，沒有實現大規模的生產。
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