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- The destructive distillation of bituminous coal, done in the absence of air in order to obtain coke and other fractions having a greater percentage of carbon than the original material. 碳化作用煙煤的分解蒸餾，在沒(méi)有空氣的條件下進(jìn)行，為得到比最初的原料所含碳的百分比大得多的焦煤以及其它餾分
- Tests for the determination of carbon residue are intended to provide some indication of the relative coke-forming propensities of an oil. 測定殘炭的試驗是要為油的相對生焦傾向提供某種指標。
- The rate of kinetic viscosity reduction and the value of carbon residue increased and the content of asphaltene decreased with the increase of ultrasonic action time. 隨著(zhù)超聲波作用時(shí)間的增加,降粘率增大,殘炭值升高,瀝青質(zhì)含量下降,表明油樣發(fā)生了裂化和縮合反應。
- Those films were found performing best which contain a proper percentage of carbon nanotube in relation with epoxy-gelatin, which correspondences well theoretical calculation. 在采用涂覆法制備碳納米管場(chǎng)發(fā)射陰極時(shí)，發(fā)現當碳納米管與有機膠混合比例合適時(shí)效果最佳，這與理論分析結果一致。
- What percentage of the earth is covered by oceans? 地球上百分之多少被海水覆蓋著(zhù)？
- The destructive distillation of bituminous coal,done in the absence of air in order to obtain coke and other fractions having a greater percentage of carbon than the original material. 碳化作用煙煤的分解蒸餾，在沒(méi)有空氣的條件下進(jìn)行，為得到比最初的原料所含碳的百分比大得多的焦煤以及其它餾分
- We have only a small percentage of foreign books. 我們只有一少部分外文書(shū)。
- It contains some other impurities as well. It is the quantity of carbon that separates the classes of irons with different properties. Cast iron contains relatively high percentage of carbon. It is hard but brittle, not malleable or ductile. 它還含有某些其他雜質(zhì)。正是因為含有碳使得鐵分成性能不同的種類(lèi)。鑄鐵含碳量較高，性硬而脆，不具延展性。
- The destructive distillation of bituminous coal, done in the absence of air in order to obtain cokeand other fractions having a greater percentage of carbon than the original material. 碳化作用煙煤的分解蒸餾,在沒(méi)有空氣的條件下進(jìn)行,為得到比最初的原料所含碳的百分比大得多的焦煤以及其它餾分。
- What percentage of children were absent? 缺席的學(xué)童占百分之幾?
- Each of them got a percentage of the profits. 他們每個(gè)人都得到一部分利潤。
- Whisky contains a large percentage of alcohol. 威士忌所含酒精的百分比很高。
- Temperature control system of carbon residue analytic instrument 殘炭試驗器溫度控制系統
- What percentage of his income is taxable? 他的收入有多少需納所得稅?
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于電弧燈。
- Having a ring composed exclusively of carbon atoms, as benzene. 碳環(huán)的有一個(gè)僅由碳原子組成的環(huán)的，如苯
- New reclaim technology of carbon residue in aluminium electrolytic cell 鋁電解炭渣回收新技術(shù)
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一種放射性同位素，尤指碳14。
- Do you know the percentage of the damaged portion? 你們知道殘損部分的百分比嗎？
- Standard Test Method for Determination of Carbon Residue (Micro Method) 微量碳殘余物的試驗方法(微量法)
