用硝酸氧化能使ha中羧基含量增加，酚羟基减少，酸性功能团活性提高。
The-COOH contents in HA increases, phenolic-OH group decreases and the chemical acidity of acidic functional groups increases when HA is oxidized by nitric acid.
炭纤维表面润湿性与某些酸性官能团的适量增加，有益于载体表面微生物的固着。
An increase in the number of some acid functional groups and surface wetting quality was helpful to microorganism fixing.
针对东烧以利用自产浮选精矿为主，进行生产酸性小球团热烧结矿的改造，进行了小球团烧结工艺的制粒研究。
Point at the Dong Anshan sinter plant will modifying sintering production to acid MPS hot sinter with self- mined flotation concentrates, the granulating research of MPS process was conducted.
本文简述了以高炉炼铁所用的酸性铁精矿球团代替钢屑冶炼硅铁的试验过程。
The test process of smelting ferrosilicon using acid iron concentrate pellet which is raw materials for blast furnace iron-making instead of steel cuttings is briefly stated.
通过不同燃料偏析程度的烧结杯试验，说明酒钢酸性球团烧结工艺在上中下三层的合理燃料偏析程度是0.4%。
Based on pot tests with different carbon profile in sinter-bed, it is found that suitable degree of carbon segregation in three-layer is 0.4%.
根据高炉要求，加拿大铁矿公司开发了硅含量为1.5%的酸性球团。
Acid pellet with a silica content as low as 1.5% has been developed by iron Ore Company of Canada for blast furnace application.
水热化学改性造成改性半焦表面酸性含氧官能团挥发，提高了表面碱性官能团含量；
The proximate analysis, ultimate analysis, inorganic oxide content and surface acidic or basic groups content were carried on for raw semi-coke and the activated semi-coke samples.
水热化学改性造成改性半焦表面酸性含氧官能团挥发，提高了表面碱性官能团含量；
The proximate analysis, ultimate analysis, inorganic oxide content and surface acidic or basic groups content were carried on for raw semi-coke and the activated semi-coke samples.
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