tnb 中文意思是什麼
tnb
解釋
國能-
Note : n means test number ; tnb means total number born ; nba means number born alive ; sd means standard deviation
注： n為總記錄數， tnb為平均總產仔數， nba為平均產活仔數， sd為標準差。 -
The nanoparticle titanium dioxide was prepared with tnb as raw material by the sol - gel process, the effects of the alcohol salt concentration the kind of solvent the water volume hydro1yze temperature. the dried ways of the wet gel and the calcined temperature of the dry gel on the specific surface area. particle size
本文以鈦酸丁酯為前驅體，利用溶膠?凝膠法制備了納米級的tio _ 2粉體材料，通過正交實驗研究了醇鹽的濃度、溶劑的種類、水含量、水解溫度、乾燥條件和煅燒溫度等工藝條件對納米粒子的比表面積、粒徑大小及分佈、晶相組成等性能的影響。 -
Tnb water quality - determination of nitrogen - determination of bound nitrogen, following oxidation to nitrogen oxides
水質.氮的測定.根據氧化氮的氧化測定結合氮 -
Particle size distributing and the composing of crystal phase were discussed by the orthogonalizing design. the experiments showed that the most suitable process conditions should controlled as follows : process temperature was about 30c ; the ratio of tnb " water and solvent was l : 4 : l 0 : the calcined temperature was about 600 " c. such transition metal ions as fe3 +
實驗表明，合適的反應條件是：以醋酸為負催化劑，水解溫度應控制在30左右，鈦酸丁酯與水量、溶劑量的配比應為1 ： 4 ： 10 。另外得到比較單一的銳鈦型tio _ 2煅燒溫度應控制在600左右。
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